1. History of the Canonical Gem Host for Ruby Gems
 The default repository for downloading gems using RubyGems was originally This was likely because the RubyGems project was hosted only from RubyForge. This meant that when you ran 'gem install rails', your RubyGems installation was configured to download the gem from ''. In August of 2008 Github started gaining popularity amongst the Ruby community after it started providing it's own gem server via This resulted in many Ruby developers configuring RubyGems to use the Github server as a secondary source of gems.
 In August of 2009 a new gem hosting repository came onto the scene known as GemCutter, aiming to resolve issues caused by how Github and RubyForge were handling hosting of gems. In September they decided to move the service to In October of Github discontinued building and serving gems from, and became the official default host for Ruby gems.
 2. Using Serialize Option with ActiveRecord Objects
 Documentation seems to be more available on how to build forms with check boxes or a multiple select field for ActiveRecord objects that have a has_many or has_many_and_belongs_to association with other ActiveRecord objects. This article shows you how provide a multiple select form based on a custom defined array, with the selected options stored in a single attribute of your ActiveRecord object.
 Lets say you are working on a form for a blog post that needs a multi-select field of statically defined adjectives, with the one or many adjectives saved to one field for the post.
 3. Save the Tests, Don't Throw Them Away
 So it's been several weeks since I started using test driven development. I'm using FactoryGirl instead of fixtures, because I've heard that fixtures are limiting. I'd rather just write Factories from the beginning. I'm also using standard Test::Unit based unit and functional tests. Haven't touched on integration testing yet.
 As I've gone along and written these tests, I've learned how to do things effectively and am carving out my own style.
 For instance you could either test for a link with the content 'Edit' on the page, or you could add an ID or class to the link and test for the presence of that link with that class. I found that I'd rather do both just to ensure that the button is or is not present in a certain circumstance.
 4. Factory Girl Associations and Records Persisting Across Tests
 I just recently started to adopt test driven development practices. The project I'm working on needs to get done soon, and I didn't want to get held up learning Rspec. After much consulting with other developers at the company I work for, I had decided to use basic Test::Unit tests with FactoryGirl factories instead of fixtures, and adopt Shoulda if a scenario arises where the options it provides (contexts) are needed.
 So far things have been running well, and I'm starting to understand just how important testing is. You don't have to write tests for every single thing you do, but if you implement some sort of feature that you seriously don't want to break at some point in the future, setup a test for it. Once you setup a test for one type of feature, you can re-use the code later for similar testing. So don't worry about how long it takes the first time around, it will pay off later when that function isn't broken because you caught it. I didn't realize it, but errors you didn't expect it to directly catch, like the dreaded "undefined method 'foo' for nil:NilClass" exception, also popup periodically and alert you that you broke something, even though your test wasn't built to catch those. This is nice because you might change something in a model, and then all of a sudden something in a view is broken.
 5. Generating Test File Stubs for Existing Models, Views, and Controllers
 # Configure generators values. Many other options are available,
 # be sure to check the documentation.
 config.generators do |g|
 g.stylesheets false
 g.test_framework :rspec
 g.fallbacks[:rspec] = :test_unit
 g.fixture_replacement :factory_girl
 6. Rails 3 and Subclasses Method
 I was just trying to create coding that reflectively loads the subclasses of a class I've defined. The idea is that as new subclasses are added, the script I'm writing can detect which ones are present and inform a remote API that support for a specific API feature is available.
 I had executed the method once on the class, and it did return the name of the subclass that I had defined and checked for the existence of in the Rails console environment. Then I added other subclasses, reloaded (reload!), and ran the method once again. This time I got nothing but an empty array returned. It turns out that Rails 3 uses autoloading for classes…so the subclasses have to be referenced at some point, and thus loaded into memory, before the subclasses method will include them in the list.
 7. Locate and Updatedb with Homebrew
 UPDATE: I ran into errors and decided to not use the findutils provided by Homebrew. I simply setup the following alias in.bash_profile and this did the trick. This is using the built in locate database provided with Mac OS X Snow Leopard.
 alias updatedb='sudo /usr/libexec/locate.updatedb'
 I used to use MacPorts to ensure that my command line environment on my Mac was almost exclusively using MacPort provided binaries, not the built in binaries and libraries that are packaged with Mac OS X.
 8. Foreign Key References when Generating Model
 I forget the proper syntax for a model generation command that includes a reference to another models id (foreign key).
 Here is an example you can use to remember:
 rails g model Post user:references title:string body:text
 Since the 'user' model already exists, Rails knows that this should be the user_id field that it generates. I guess it's not a big deal, you could just do 'user_id:integer', but what fun is that?
 9. Edit Devise User without Password
 I recently setup a custom controller to edit/update my Admin accounts, which are authenticated using Plataformatec's Devise gem.
 I found an article in the Devise Wiki that mentions using some sort of 'update_without_password' method to update the model without requiring the password. In this case I'm not requiring the user to provide their own password to edit their info. I'm allowing them to do it straight out.
 The solution that I found was to simply remove the 'password' and 'password_confirmation' from the parameter set if both are blank.
 # remove password parameters if blank
 if params[:admin]['password'].blank? && params[:admin]['confirmation'].blank?
 10. Factory Girl Not Generating Factories with Scaffold
 I just started a new Rails 3.2 project, and to ensure that the proper test files are generated using Shoulda or Factory_Girl, I've installed those gems and configured the application to generate the test files using these gems.
 Added to config/application.rb:
 # Configure generators values.
 config.generators do |g|
 g.stylesheets false
 g.test_framework :shoulda
 g.fallbacks[:shoulda] = :test_unit
 g.fixture_replacement :factory_girl
 Each time I would try to create a new scaffold, it would use shoulda to generate the test unit file, but would generate a YAML fixture.


text:
A database of blood group correlations to common diseases
Total number of records: 145 Matching records: 1
|Description:||Antidiphtheritic antibodies were studied in the blood serum of Kiev and Kiev region population capable of blood donation (984 persons). It has been found out that antidiphtheritic antibodies were present in men's and women's blood serum of different blood groups (by ABO system) during a year. Antidiphtheritic antibodies with high titers > 1.80 were most often found in autumn, winter and spring in people having A (II), B (III) and AB (IV) blood groups.|
|References:||1 Fedorovs'ka OO, Nazarchuk LV, Myronenko VI, Mel'nyk OA. The antidiphtheria immunity of the eligible donor population. Fiziol Zh. 1997;43(1-2):109-12.|
List All Diseases in Database
2013-5-24: Current Date 16:4:51 GMT: Current Time
PathType is a searchable database of blood group and disease associations, clinical correlates and citations.
D'Adamo. Copyright 2001-2011.

source: HuggingFaceFW/fineweb-edu


NFL Coaches, Play Calling and Fantasy Football
May 10, 2016
NFL Coaches, Play Calling and Fantasy Football
A valid argument can be made that it's a player's game, and coaches don't affect stats. Sure, some teams will improve statistically under a new hire, but that's because coaching turnover happens more on bad teams, and bad teams tend to naturally regress to the mean the next season regardless. To date, attempts to quantify the impact of coaching have been based on questionable science that has thus far missed the mark.
Most coaching analysis, however, focuses on a given team's performance, not tendencies. But those tendencies, specifically in regards to play calling and player usage, are just as critical in fantasy.
Why Coaching is Important in Fantasy
The real key to being good at fantasy football is being able to forecast player volume, not player efficiency.
Your running backs need touches. Who controls how many touches they get?
Your wide receivers and tight ends need targets. Sure, the quarterback ultimately makes the final decision of who to throw to, but who dictates his progressions, and which receivers are on the field and which routes they run?
And your players all need touchdowns. Who decides what plays their teams will run in the red zone?
The offensive playcaller1.
What Exactly Do We Need to Know About Coaches?
We don't need to isolate the effects of coaching on team performance.
We just need to know the effects of coaching on team tendencies.
You can be reasonably certain that the coach has a substantial level of control over his team's on-field tendencies—even if those tendencies tend to vary over time.
So we'll tackle the coaching issue from a different angle: by examining how a coaching change (or lack thereof) affects the predictiveness of team tendencies from one year to the next.
It boils down to two distinct questions:
 1. How predictive are a team's tendencies when it retains its playcaller compared to when it changes its playcaller?
 2. Do a playcaller's tendencies carry over from one team to the next?
The Key Coaching Tendencies for a Fantasy Owner to Know
Based on the previously discussed importance of volume, here are the tendencies we'll examine:
 - Passing Play Percentage. The percentage of time an offense passes instead of runs. This is critical because it determines how much volume is available in the passing game versus the running game.
 - Red Zone Pass Percentage. The percentage of time an offense passes instead of runs in the red zone. This is important because we know the majority of passing and rushing touchdowns come in the red zone.
 - Deep Attempt Percentage. The amount of deep passes divided into total passing attempts. This is meaningful because a deep target (15-plus yards downfield) is worth 1.9 times as many points as a short target in standard scoring, and 1.3 times as many in PPR scoring. Over/under 15 yards is only so telling, and we would've liked to have a more precise measure of an offense's verticality (such as average target depth), but that data isn't readily available.
 - Pace. For our purposes, this will be defined as Football Outsiders' Seconds per Play (Situation-Neutral). The more plays a team runs, the more potential opportunities for its players to rack up fantasy production.
 - Running Back Target Percentage. The amount of running back targets divided into total team targets. You already know that running backs need those touches, but some coaches are more liberal than others when it comes to a back blocking versus receiving.
 - Running Back 20-Touch Percentage. A signature metric I've created, this is the percentage of games in which a team had a running back who received at least 20 touches. While 20 is admittedly an arbitrary cut-off, it's a decent proxy for whether or not there's a committee approach.
All tendencies have been adjusted to reflect the league average.
Keep in mind that none of these are immune to personnel, game situation, strength of schedule, etc., and that's perfectly fine—every stat we deal with in fantasy football will contain noise. We just want to get a sense of what to make of a team's tendencies given the presence or absence of a coaching change.
What Happens When a Team Changes its Playcaller?
Here is a comparison of the year-to-year correlation in tendencies for teams who retained2 their playcaller versus those who changed playcaller, along with the absolute difference3 between the two sets of correlations. All results were significant at the 95% confidence interval.
As you might have guessed, you can expect a team to have tendencies similar to the prior year if it brings back the same playcaller. This actually encompasses the majority of teams—it's seldom that more than a third or so of the league changes playcallers in a given year. Already, we have a starting point for projecting tendencies of the majority of NFL teams.
When a given team changes its playcaller, however, that team becomes a lot harder to predict. None of the year-to-year relationships are as strong, and only pace and running back target percentage have anything more than a weak correlation. The previous year's passing tendencies mean next to nothing.
So now we know that a team's tendencies are somewhat predictable from year to long as that team hasn't changed its playcaller.
But if we can't use last year's stats as reliable predictors when a team hires someone new to call plays, where do we pivot?
The logical answer is to go ahead and look at the new hire's tendencies from his previous team (assuming he's had prior play-calling experience). But is that logic backed up by the data? Let's find out.
Do a Playcaller's Tendencies Carry Over When He Changes Teams?
Below are the correlations between a new hire's tendencies in the first year with his new team and his tendencies in the last year with his old team.
You should note that this time, we aren't strictly using consecutive year comparisons -- many times, more than one year will have elapsed between coaching jobs.
Also note that this sample4 will naturally be smaller than the one from the previous section, because that one consisted of all teams with new hires, rather than just those with new hires who have previous experience calling plays at the NFL level.
For those who may be unfamiliar with statistics, "not significant" means that we can't rule out that a result is due to chance alone, while the p-value indicates the percent probability that the result is due to chance alone.
How often a new playcaller chose to pass in the red zone with his previous team was the only tendency with any predictive value. In fact, you're better off just looking the team's tendencies from the previous season if you're trying to predict a team with a new playcaller's pace (r =.58) or how often it will target running backs (r =.36).
Why is the red zone the exception? It's hard to tell exactly, but it's definitely possible that certain personnel limitations -- a quarterback with a weak arm, a receiver lacking deep speed, etc. -- are not as prohibitive from a play-calling standpoint in the red zone, allowing a playcaller to stay truer to what he wants to do.
The Truth About Coaching Tendencies
To recap:
 1. A team's play calling and player usage tendencies from the previous season were useful predictors for the current season as long as that team had the same playcaller—for a team that changed their playcaller, tendencies from the previous season weren't as reliable.
 2. Coaching tendencies were not highly correlated from one team to the next (except for red zone pass/run ratio).
Based on the data, it's likely that what we think of as coaching tendencies might actually just be the coach responding to changes in personnel.
If playcallers truly had unbending tendencies, there would be more of a relationship between what a new hire does with his new team and what he did with his previous team. Instead, playcallers were only predictable from one year to the next when they stayed with the same team—in other words, when they coached a majority of the same personnel in both years (a safe assumption, given that the average roster turnover in the NFL is roughly 30 percent and tops out around 45 percent).
When you take personnel into account, it's much easier to make an educated assessment of when a coach's tendencies will actually carry over. For instance, you wouldn't be surprised to know that Greg Roman's passing tendencies with Buffalo mimicked those from his days in San Francisco—both teams had a young, mobile quarterback and a good defense. Roman's rushing tendencies deviated, however—LeSean McCoy has different strengths than Frank Gore.
Personnel also remains largely the same in the case of an in-house hire5, so tendencies are likely to be more strongly correlated in that scenario than in one which the new hire comes from outside the organization.
While we examined six tendencies that are no doubt crucial, there are, of course, many more specific coaching idiosyncrasies we didn't measure, but which could potentially have a fantasy impact. For example, we didn't break wide receiver target percentage down by WR1, WR2, etc. (because that's largly dependent on personnel), but there are cases like Kyle Shanahan, who's targeted his WR2 less than average regardless of how good his WR1 is.
So to be clear, I'm not suggesting that a playcaller's tendencies will never carry over when he changes teams, just that what a playcaller has done in the past and what he will do in the future should be viewed in the context of the personnel at his disposal.
We're Just Getting Started
I'll be applying this analysis to every NFL playcaller to create a comprehensive guide of key


Water Bouncer vs Water Trampoline? Know the Difference Before Buying
There's a hot new trend among kids, and it's NOT a gadget, it's not powered by the Internet, and it doesn't even have a screen. What?!
It's called a water bouncer. So far, mostly passionate gymnasts and adventure-loving enthusiasts who live near a body of water know about it. But it's quickly catching on.
So, What Is a Water Bouncer?
A water bouncer is an inflatable platform that kids (and adults) use for fun and light exercise. It's first inflated and set up on land, and then moved onto the water.
The main parts of a water bouncer are an inflatable outer tube and a jump mat. Since it's so bouncy, it can be used for some light gymnastic exercises. Of course, kids often just use it to bounce for fun.
Starzcom's water bouncer comes with an electric pump which can inflate it in only four minutes. This makes the bouncer a cool party gadget for a day out on the lake. It's light, compact when deflated, quickly inflated, and easy to carry around.
It's a relatively new trend, so the summer of 2020 will hopefully be remembered NOT as a COVID-19 summer, but as the summer the water bouncers took off, covering lakes and bays, providing kids with hours of healthy fun.
How Is a Water Bouncer Different from a Water Trampoline?
Though people sometimes use these two terms interchangeably, there are some clear differences between water bouncers and trampolines.
The main technical difference is that water trampolines use springs to connect the jump mat with the outer tube, while bouncers use webbing. These springs are metal, and many trampolines also have a steel frame strapped to the tube, making the construction a little heavier, but also making trampolines a little bouncier than water bouncers.
Trampolines are also a bit more difficult to assemble, because of the frame and metal parts – it takes more time to set them up than bouncers. That's why their owners often anchor them for the whole summer. Otherwise, it would be a lot of hassle to go through the process multiple times during the season.
Water bouncers are lighter, without any metal parts which makes them ideal for younger children, and they are usually smaller than trampolines. Less costly as well.
Are Water Bouncers Safe?
As we mentioned, water bouncers don't have any metal springs or frames on the outer tube, so they are safer than trampolines. They are completely suitable for younger kids.
They are made of a sturdy PVC material, and can withstand all the jumping, stomping and savagery young kids can summon on their brightest vacation day.
Bouncers also have an anti-skid jump mat surface which decreases the chance of ugly falls and injuries.
It's important to understand that water bouncers are not the same thing as air tracks. If your kids are interested in practicing some riskier gymnast moves, flips, somersaults, etc., it's probably wiser to get an air track. It can be used both on land and water.
Water bouncers are safe as long as they are used properly – for recreational bouncing, light gymnastics, and lazy lounging in the sun.
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What Is The Conoco Weather Clause (CWC)?
A charter party is contracted when a shipowner allows another party (commonly referred to as a charterer), to charter their vessel for the purpose of transporting cargo.
Within this agreement, the charterer would state the allotted time that is required to load and unload cargo to and from the vessel, which is known as laytime. Should the time frame for loading or unloading goods exceed the laytime, the shipowner is permitted to charge the charterer vessel demurrage fee.
The inverse is also true when the charterer completes the loading and unloading of goods earlier than the agreed laytime. The charterer is then allowed to claim a despatch fee from the shipowner.
There are various conditions and clauses that can affect laytime. In this article, we'll take a detailed look at the Conoco Weather Clause (CWC) and how it affects laytime and demurrage charges. We've also made sure to include a case study towards the end of the article for better understanding.
What Is the Conoco Weather Clause (CWC)?
The Conoco Weather Clause (CWC) is defined as "Delays in berthing for loading or discharging and any delays after berthing which are due to weather conditions shall count as one-half laytime or, if on demurrage, at one-half demurrage rate."
As such, CWC exists to ensure a shared burden between the shipowner and the charterer during unfavorable weather conditions that prevent berthing, loading, or unloading of goods.
How The Conoco Weather Clause Works
The Conoco Weather Clause is initiated by the charterer, and the ship owners are free to prove that any delays in berthing, loading, or unloading of goods are not caused by unfavorable weather conditions.
There are 2 principal guidelines to consider before a Conoco Weather Clause can be initiated:
- Laytime has already started.
- Proof, preferably documented, that the delays encountered are due to bad weather. The best evidence is to secure written confirmation from the port operator or the shipowner's agents that vessel operations have ceased due to bad weather resulting in port closure or work stoppage due to unforeseen weather conditions.
Establishing laytime is important because it is the basis for the computation of demurrage and disputes are often long undertakings. In the next section, we will discuss how laytime commences under the Asbatankvoy Charter Party and the Shellvoy Charter Party.
How Laytime Commences with Asbatankvoy Charter Party
In clause 9 established in the Asbatankvoy Charter Party, laytime can be established based on two requirements. First, a berth must be reachable on arrival (ROA), and second, a Notice of Readiness (NOR) has already been given by the master of the vessel.
Physical or Non-Physical obstructions do not form part of laytime such as:
- Non-availability of tugboats
- Congestion experienced in port
- Bad weather
- The NOR has already been issued but a vessel does not have access to its assigned berth
How Laytime Commences with Shellvoy 5 Charter Party
Under the Shellvoy 5 charter party agreement, an ROA is no longer required. Laytime can start based on two scenarios:
- 6 hours after the vessel arrives at its assigned berth and written notice has been given that the vessel is ready to load/unload cargo.
- If the vessel does not proceed directly to its berth, laytime may start 6 hours after the vessel is in the assigned waiting area or in what is defined as the port's waiting area, a NOR has already been issued by the Master of the vessel, and the berth is readily accessible.
A berth is deemed to be inaccessible if it is affected by bad weather, waiting for tugboats, or within the limits set by port traffic control. If a berth is accessible, but the vessel cannot dock due to weather conditions, laytime commences and CWC can be applicable.
When The Conoco Weather Clause Applies
Taking both types of charter parties into account, the Conoco Weather Clause applies when either of the following conditions is valid:
- The vessel is in berth and bad weather has disrupted loading and/or unloading operations.
- The vessel hasn't reached its assigned berth and is unable to berth due to bad weather conditions but the laytime has already commenced.
The Conoco Weather Clause applies only up to the time when bad weather ceases. Any other reasons that contribute to delay, such as port congestion, have to be assessed differently based on the actual events and circumstances.
Case Study: Conoco Weather Clause
One infamous scenario featuring a Conoco Weather Clause can be found in the case of Moutain Blossom. This case was arbitrated in New York with the facts of the case as follows.
Under the Asbatankvoy charter party, the vessel had arrived at the loading port and was unable to dock due to berth availability. While waiting, the port authorities declared that the port will be closed due to heavy fog.
The charterer sought protection and initiated the Conoco Weather Clause for port closure beyond their control. The arbitrator ruled that since the vessel could not get into the assigned berth due to the fog, one-half of the laytime did not count as part of the total laytime.
Co-Founder & Writer
About the Author
Gerrit is a certified international supply chain management professional with 15 years of industry experience, having worked for one of the largest global freight forwarders.
As the co-founder of freightcourse, he's committed to his passion for serving as a source of education and information on various supply chain topics.

source: openbmb/Ultra-FineWeb


Jessica Harris
Lawyer Rudy Lombard discusses his involvement with the Civil Rights Movement, while Dr. Jessica Harris leads you through a history of African-American foodstuffs. Plus homemaker Billie Carpenter.
Breakfast Rice and Eggs
1 Cup of Rice
2 Cups of Water or Stock
1/2 teaspoon salt (if desired)
1 tablespoon butter (if desired)
1 Egg for each cup of rice
Prepare rice:
1. Bring the water to a boil.
2. Add the rice, 1/2 teaspoon of salt and 1 tablespoon of butter, stir once.
3. Cover the pot and return the water to a boil.
4. Immediately turn the stove down to simmer and cook about 15-20 minutes.
Rice is usually done when the water is completely absorbed.


text:
A 10 m long pipe has an inside radius of 70 mm, an
outsideradius of 80 mm, and is made of stainless steel (k = 15
W/(m° C). Its inside surface isheld at 150° C, while
itsoutside surface is at 30°C. There is no heat generation, and
steady-state conditions hold.Compute the rate at which heat is
being transferred across the pipewall.


The Navajo Sign
Fate, time, and destiny have a way of balancing the scales set off-kilter by the actions of the greedy, whose desires are driven by a never satisfied lust to have more. Sky Tipio, a budding young Navajo artist living near Silver City, New Mexico, unwittingly uses ancient secret signs and symbols found in his grandparent's bedroom and weaves them into his latest painting. Unknown to him, these signs and symbols relate to the 160-year-old legend of the lost gold of the Sierra Estrella Mountains.
This seemingly inconsequential act of his sets into motion a chain of events that will ultimately take him and his grandfather, along with his older brother Naiche, deep into ancient tribal beliefs, customs, and mysteries. However, they will not be the only ones who are pulled into the depths of the legend, which serves as the trip wire to an explosive trek into tribal mysteries that are thousands of years old. Together they become voyagers on a trip into their ancestors' past, a past that may one day lead to man's future, not only here but also among the stars.
by D.B. Lawhon
In stores now!


text:
- Disease free beginning of crop: 1) Protect seeds from soil, seedling diseases & tough weather conditions. 2) Controls aspergillus by giving a great start to the groundnut crop.
- Uniform germination: Xemium systemicity ensures quick penetration in seeds ensuring uniform germination.
- More plants per acre: 1) Maximizes the seedling vigor. 2) Profuse rooting enhances stress tolerance.


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Conservation Science Division - The award-winning Sonoran Desert Conservation Plan, adopted by the Board in 2002, is Pima County's plan for balancing the conservation of our cultural and natural resources while maintaining an economically vigorous and fiscally responsible community. Conservation Science supports the biological goal of the SDCP, which is to ensure the long-term survival of the full spectrum of indigenous plants and animals, and administration of the County's Multi-species Conservation Plan (MSCP).
Cultural Resources & Historic Preservation Division - Pima County is rich in history, cultural diversity, living traditions, and regional character, all of which define our collective cultural heritage and community identity. Since the 1970s, the Board has actively sought to protect this heritage by working to preserve ancestral Native American sites, historic Spanish Colonial, Mexican, and American sites, historic neighborhoods and buildings, and traditional cultural places, and working landscapes.
Sustainability Programs Division - A sustainable and livable community requires investment in the environment, the economy, and the social fabric without jeopardizing the ability for future generations to do the same. In 2007, the Board adopted Sustainability Initiatives and approved the preparation and implementation of the Pima County Sustainable Action Plan for County Operations, resulting in considerable reduction in energy consumption and cost savings.


Antique Porcelain Marks on Chinese Ceramics
Most of the antique porcelain marks or pottery marks that the beginning collector will encounter on ancient Chinese ceramics are originating in the Ming or Qing dynasty, or are from the republic period. Few of us will ever be able to lay hands on marked porcelain of the Song or even the Yuan dynasty. They are extremely rare.
While European porcelain manufacturers usually applied a factory mark very early on, antique marks on ceramics from China rarely show which kiln actually made an item. The manufacturer's name was virtually never mentioned before the late 19th century - there were almost no maker's marks in existence in ancient China.
See Antique China Marks - a comparison.
Yes, there do exist antiques with so-called shop or factory marks, but they represent only a very small fraction of all the Chinese marks known. Only items specifically made to order for local clients or overseas Chinese communities in Southeast Asia seem to frequently show shop or manufacturer's marks.
One of the most common antique porcelain marks found on ceramics throughout the ages is the reign or period mark (Jinian Mark).
Antique pottery marks of this type are known to have existed as inscribed marks on ancient pottery as early as the Qin and Han dynasties (see China history timeline). There are also some marks known to exist on ceramics of the Three Kingdoms period (3rd century).
These are all relatively rare, however. Real marking of items did not take off until the Ming dynasty.
Some Chinese antiques' porcelain marks or pottery marks contain dates of the Chinese 60 year cyclic calendar, but these are actually quite rare. Cyclic calendar dates started to appear mainly on Qianjiang-style dated porcelain in the second half of the 19th century. But these are not marks proper, but rather part of the signatures of porcelain artists.
Antique porcelain marks more often than not show the emperor's reign title (period name). During the Kangxi reign pictorial marks were popular, symbol marks and double circles were especially frequent. These had already existed earlier, but only in a limited manner. Otherwise, the majority of antique porcelain marks consisted of hand-written characters.
Kaishu character mark
(hand written)
Zhuanshu seal-type mark
Antique Porcelain Marks in Zhuanshu Characters
Zhuanshu marks (seal-type marks written with Zhuanti characters) were usually written or painted one by one manually during the Qianlong, Jiaqing and Daoguang reigns. Only in the later Qing dynasty (19th century) stamped seal marks started to appear more frequently.
The imperial marks used during the Qianlong reign, for example, were written by hand with archaic characters (Zhuanti or Zhuanshu) in the square shape of a seal, usually with or without a hand-painted frame depicting the square seal edge.
This is exactly the same way seal characters are/were written before carving or engraving the characters in a seal today.
Needless to say that the ancient characters used in such seal type porcelain marks are not the normal characters used in everyday writing of the Chinese language.
This ancient character type is called Zhuanti (or Zhuanshu) and was and still is mainly used with seals (even today) and is more difficult to read, even for a Chinese person. It takes some practice to recognize this type of characters in porcelain marks. So don't be surprised if not every Chinese person is able to read such characters.
Later, in the 20th century this mark came into use for apocryphal Qing dynasty marks on copies and imitations of earlier porcelain. These 20th century marks are using a slightly different writing style, however, and are generally easily recognizable as apocryphal marks.
 - Official kiln marks
 - Private kiln marks
 - Export porcelain marks
 - Signed porcelain & other markings
Official (imperial) kiln:
Basically, the number of types of antique marks used for ceramics manufactured in the official kilns during each reign period is limited. These kilns operated under the supervision of court officials and everything, including the decoration, was strictly regulated.
The usage of marks on these was also restricted by the court, and this in turn did not allow for the multitude of marks used by private kilns (Minyao).
Antique porcelain marks or potter's marks containing the artisan's name were very rare on ceramics made by private kilns until the 19th century. On imperial porcelain such marks were virtually non-existent.
The only exception of personal marks were perhaps the marks applied in the 18th century by Tang Ying at the imperial kiln at Jingdezhen.
Tang Ying was the official assigned by the palace as kiln overseer. He is credited with an excellent contribution to the ceramics manufactured at the imperial kiln during his time. He sometimes applied a mark representing him. About a dozen of his marks are known.
Generally said, individual potter's marks were otherwise non-existent on imperial porcelain or pottery.
During the Yongzheng reign imperial marks used mostly marks with Kaiti characters (Kaishu), many of these are placed in a double circle.
Qianlong imperial marks on the other hand used mostly Zhuanti chracters (Zhuanshu) in underglaze blue.
See list showing predominant mark style for each Qing dynasty reign.
During the early years of the Kangxi reign no marks were used on imperial wares. However, private kilns (minyao) did use reign marks. This practice was however prohibited later (in 1677) by an edict of the governing official of Fuliang the area, where Jingdezhen is located.
In 1680 (19th year of Kangxi) Jingdezhen fired porcelain for the Qing court for the first time, thus becoming the site of the Qing imperial kiln.
Continuing the legacy of the Ming period, most Kangxi wares used Kaiti (Kaishu) marks. The antique porcelain marks remaining show that only about 5% of all marks were written in Zhuanti characters during that reign.
Notable is that some imperial marks do not contain the reign name, but rather the name of an inner palace within the area of the imperial palace - the abode of the emperor or empress. See exceptional reign marks.
Home › Porcelain Marks › Porcelain Marks (cont.)Pottery Marks


Investment Companies - Share Class
Classes of Shares
Most open-end investment companies offer several classes of fund shares. The most common examples are A, B and C shares, although some fund families offer R and F shares for special categories of investment such as college savings plans or employee retirement shares.
Share classes differ primarily in the way in which their sales charges and distribution charges - that is, loads and 12b-1 fees - are assessed. Although the specifics of the different classes sold by each fund family vary widely depending on the fund, most funds offer the share classes listed below.
 - Class A Shares: Class A shares usually have front-end loads. Those investors purchasing larger numbers of shares can usually take advantage of reduced sales charges at defined intervals, known as breakpoints. These shares also have smaller 12b-1 fees.
 - Class B Shares: Class B shares come with back-end loads (CDSCs), so investors do not pay front-end loads. They only pay a sales charge if the shares are redeemed within the CDSC schedule; otherwise, the sales charges are limited to the 12b-1 fees, which are usually higher than those of other share classes. Once the CDSCs are reduced to zero, these funds convert from B shares to A shares.
 - Class C Shares: Class C shares usually charge a level load that is equal to a stated percentage of the fund's assets. This sales charge will be assessed by the fund for either a stated period of time such as 3-5 years or for the entire holding period
The article, The ABCs of Mutual Fund Classes, contains useful information about the pros and cons of each type of mutual fund share.
 - Other Share Classes: For other special types of investors, such as employees of broker-dealers, 529 college savings plan investors, institutional investors or investors with fee-based accounts, mutual fund companies offer a number of different share classes that take into account the initial purchase size and type of investor. As a result, the initial sales charges and 12b-1 fees will differ for each share class.
Deciding What is Best
So, which share class is best for your client? This is one of the most important questions you will have to answer in your career as a Series 6 representative. As a rep, you must find out three things about the client:
 1. How much money does he/she plan to invest over the next 13 months?
 2. How long does the investor plan to own the mutual fund shares?
 3. Does he/she own any other mutual funds?
The importance of these questions will become more apparent as you read through the following sections.
Reduced Sales Charges/Quantity Discounts
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I'm trying to modify the Doc2vec tutorial to calculate cosine similarity and take Pandas dataframes instead of.txt documents. I want to find the most similar sentence to a new sentence I put in from my data. However, after training, even if I give almost the same sentence that's present in the dataset, I get low-accuracy results as the top result and none of them is the sentence I modified. For example I have the sentence "This is a nice cat you have." in the dataset I train Doc2vec with, then I use the new sentence "This cat you have is quite nice." as input, and it doesn't bring up the first sentence as similar.
Data comes from an excel sheet, and has roughly the looks of:
 Description | Group | Number
0 Sent: This is a sentence Regular NUM1234
1 Sent: Another sentence Regular NUM1243
2 Sent: Basically all the input Other group NUM1278
3 Sent: Creating a test case to validate the routing between applications. No action needed at this moment
 | Other group | NUM1287
I have the following code (some code not needed for comprehension was trimmed):
df = pd.read_excel("my_data.xls")
df["Description"] = df["Description"].apply(lambda x: removeGeneric(x)) _TAG_() just strips "Sent:" from the beginning of each sentence
for index, row in df.iterrows():
 row["Description"] = row["Description"].lower()
 row["Description"] = normalize_text(row["Description"]) _TAG_() removes stopwords defined in the nltk package and words shorter than 2 characters
SentimentDocument = namedtuple('SentimentDocument', 'words tags')
alldocs = []
for index, row in df.iterrows():
 words = gensim.utils.to_unicode(row["Description"]).split()
 tags = [row["Number"]]
 alldocs.append(SentimentDocument(words, tags))
doc_list = alldocs[:]
cores = multiprocessing.cpu_count()
assert gensim.models.doc2vec.FAST_VERSION > -1, "This will be painfully slow otherwise"
simple_models = [
 # PV-DM w/ concatenation - window=5 (both sides) approximates paper's 10-word total window size
 Doc2Vec(dm=1, dm_concat=1, size=100, window=5, negative=5, hs=0, min_count=2, workers=cores),
 # PV-DBOW
 Doc2Vec(dm=0, size=100, negative=5, hs=0, min_count=2, workers=cores),
 # PV-DM w/ average
 Doc2Vec(dm=1, dm_mean=1, size=100, window=10, negative=5, hs=0, min_count=2, workers=cores),
# Speed up setup by sharing results of the 1st model's vocabulary scan
simple_models[0].build_vocab(alldocs) # PV-DM w/ concat requires one special NULL word so it serves as template
for model in simple_models[1:]:
models_by_name = OrderedDict((str(model), model) for model in simple_models)
from random import shuffle
alpha, min_alpha, passes = (0.025, 0.001, 20)
alpha_delta = (alpha - min_alpha) / passes
print("START %s" % datetime.datetime.now())
for epoch in range(passes):
 for name, train_model in models_by_name.items():
 # Train
 duration = 'na'
 train_model.alpha, train_model.min_alpha = alpha, alpha
 with elapsed_timer() as elapsed:
 train_model.train(doc_list, total_examples=len(doc_list), epochs=1)
for model in simple_models:
 new_sentence = "Test case creation to validation of routing between applications. No action needed" _TAG_ how I'm testing with a sentence very similar to one in the original dataset
 new_sentence = removeGeneric(new_sentence)
 new_sentence = normalize_text(new_sentence)
For this I get the following output:
[('NUM1254', 0.3154909014701843), ('NUM5247', 0.2487245500087738)]
[('NUM3875', 0.20226456224918365), ('NUM3793', 0.1970052272081375)]
[('NUM3585', 0.13086965680122375), ('NUM3857', 0.1298370361328125)]
creating test case validate routing applications action needed moment
All the recommendations are completely unrelated, sentences like "site id plant address good owner electricity request approved number al district province" show up; the sentence it's actually close to (the sentence "Creating a test case to validate the routing between applications. No action needed at this moment" from the dataset) is not on the list.
Can you see anything that I'm doing wrong? What could I do to improve accuracy? Has anyone else experienced this inaccuracy in doc2vec's cosine similarity prediction? If I hand-code the implementation (like this for example), it does give the correct answers, which are completely different than those from doc2vec (but actually accurate).
 - $\begingroup$ Funny thing is, when I calculate cosine similarity "by hand" (via hand-coded Python), it does show that the sentences are 80-90% similar. But Doc2vec won't find the similarity. $\endgroup$ – lte__ Nov 6 '17 at 11:33
 - $\begingroup$ have you tried new_vector = model.infer(new_sentence) in your for model in simple_models loop? $\endgroup$ – Danny Dec 14 '19 at 6:57
 - $\begingroup$ Did it work? I am excited to see your results and to actually see if Doc2Vec is performing incorrectly. $\endgroup$ – Danny Dec 17 '19 at 5:12
I think you are missing the model.infer_vector(new_sentence). You need to infer the new vectors based on your trained model. You can find more details in Assessing the Model section here.
The similarity is between vectors but not the normalised tokens. So, you have to infer them first using your model.
Your Answer


What is Vocation? (Part 2)
What is Vocation? (Part I)
Vocation story of Sr. Manaoag (SSVM)
Vocation story of Sr. Maria Filia Docilis (SSVM)
The religious habit is a sign of a religious' consecration and poverty. The one who wears it makes evident the eschatological end of religious life. (c.f. Const. 154)
Consecrated Life Series
investiture 2017


text: This review aims to discern a treatment for grey water by examining grey water characteristics, reuse standards, technology performance and costs. The review reveals that the systems for treating grey water, whatever its quality, should consist of processes that are able to trap pollutants with a small particle size and convert organic matter to mineralized compounds. For efficient, simple and affordable treatment of grey water with safe effluent reuse, a combined anaerobic-aerobic process is recommended, with disinfection being an optional step. The removal and subsequent conversion of suspended and colloidal particles in the anaerobic process need further improvement. Furthermore, the reuse standards should be revised and classified considering the reuse options and requirements.


= \frac{\sigma}{\sqrt{2\pi}} \left( \exp \left( – \frac{y^2}{2} \right)\right)|_{\Phi^{-1} (\alpha)}^\infty\\
&= \frac{\sigma}{\sqrt{2\pi}} \left( 0 – \exp \left( – \frac{\Phi^{-1} (\alpha)^2}{2} \right)\right)\\
&= -\sigma \frac{1}{\sqrt{2\pi}} \exp \left( – \frac{\Phi^{-1} (\alpha)^2}{2} \right)\\
&= -\sigma \phi \left( \Phi^{-1} (\alpha) \right)\\
Now, we just have to include this in our previous result to get:
&= \frac{1}{1-\alpha} \left[ -\sigma \phi \left( \Phi^{-1} (\alpha) \right) \right] + \mu\\
&= \mu – \sigma \cdot \frac{\phi \left( \Phi^{-1} (\alpha) \right)}{1-\alpha}
This is a very good result, since we know that $\lambda( \alpha ) = \frac{\phi \left( \Phi^{-1} (\alpha) \right)}{1-\alpha}$ is a function of $\alpha$ that can be computed very easily, for example in Excel. Below are the results for $\alpha$ from 80% to 99%.
Values of $\lambda$ for different $\alpha$
That's it, with this simple formula, you can compute the expected shortfall of a normally distributed variable without needing any data point.
An introduction to Risk Parity
Hello everyone!
In this post, I'd like to start talking again about asset allocation and in particular to introduce you to a relatively new concept in
the field: risk parity. Don't get me wrong, this approach has been around for quite a while now — I think the first to create a product around this concept were Bridgewater in the 90s — but it is a philosophy which I believe is still not taught frequently enough in finance classes and hence is still widely unknown.
I first started to pay attention to risk parity about 5 years ago. In the classic Modern Portfolio Theory (MPT thereafter), the optimization problem has two inputs:
 - the covariance matrix of the assets available
 - an expected return for each asset considered
Both are difficult to estimate, but researchers tend to agree that estimating covariances is easier than estimating returns.
Nevertheless, a lot of asset managers came up with expected future returns based on "their experience" or on "their view of the market" — there is no real mathematical framework available. This causes a real issue because it has been shown that the mean-variance optimization problem (the one behind MPT) is really sensitive to the expected returns inputs: changing slightly the expected return figures can result in a big optimal allocation change. Therefore, estimating wrong expected returns makes manager select potentially pretty sub-optimal portfolios.
Estimating the covariance matrix is not an easy task either. However, there exist frameworks on which managers can rely and estimates they are usually not too far of the reality (risk tends to be more stable than returns).
What I tried to look for 5 years ago, was an asset allocation method which was independent from the expected returns, as I found them very difficult to estimate accurately. Risk Parity is a perfect example of such method.
How does it work?
I will try to explain to concept without getting into equations. For those who are interested in the maths, please have a look at Thierry Roncalli's presentation and paper to start with.
The basic idea is to have a portfolio where risk is diversified as much as possible — ideally perfectly diversified. The remaining challenge is to define how to quantify diversification; defining risk is somewhat arbitrary as you could choose different risk measures (volatility, expected shortfall etc) depending on your preference as an asset manager.
Quantifying diversification
Let's assume that we are considering the simplest risk measure, volatility. Once the covariance matrix of all considered assets has been determined, one can then compute the volatility of a portfolio given the weights of each asset. Furthermore, one can also compute how much each asset contributes to the total volatility (i.e. total risk) of the portfolio. In risk parity the goal is to have each asset contributing equally to the total risk.
Let's consider a portfolio with two assets $A$ and $B$ with 50% of weight for each asset (so-called equally-weighted portfolio) and let's assume the total volatility is 8%. By computing the contribution and assuming $A$ is more volatile than $B$, then you could see that $A$ contributes by 6% and $B$ by 2% only (numbers here are arbitrary and taken for the sake of the example).
According to our diversification measure, the portfolio is not very well balanced as it is much more exposed to $A$.
Finding risk-parity
In his paper, Roncalli shows how one can implement an optimization method to find the portfolio where both $A$ and $B$ would equally contribute to the portfolio's total volatility. Since I want to keep this post fairly non-technical I voluntarily want to skip the details of the methodology. Let's assume we are provided with an optimizer which gives us the risk-parity portfolio. It would look like something with 70% weight on $B$ and 30% on $A$ and which would result in a total volatility of about 3%.
This time, our portfolio is optimally balanced as it is equally exposed to both assets from a risk point of view. Note that the total volatility of the risk-parity portfolio cannot be chosen, it is purely a result of the optimization.
There is much more to say on the properties of risk-parity, and I will write more about this in later posts.


text:
Clean Upholstery Sofa
The article about Clean Upholstery Sofa was uploaded on February 1, 2018 at 9:37 pm. It is uploaded at the Upholstery category. Clean Upholstery Sofa is tagged with Clean Upholstery Sofa, Clean, Upholstery, Sofa..
Cleanclean (klēn),USA pronunciation adj., -er, -est, adv., -er, -est, v.
- free from dirt;
unstained: She bathed and put on a clean dress.
- free from foreign or extraneous matter: clean sand.
- free from pollution;
pure: clean air; clean water.
- habitually free of dirt: Cats are considered clean animals.
- characterized by a fresh, wholesome quality: the clean smell of pine.
- free from all writing or marking: a clean sheet of paper.
- having few or no corrections;
easily readable: The publisher demanded clean proofs from the printer.
- free from roughness or irregularity: He made a clean cut with a razor.
- not ornate;
forceful and simple;
streamlined: a clean literary style; the clean lines of a ship.
unqualified: a clean break with tradition.
- morally pure;
honorable: to lead a clean life.
- showing good sportsmanship;
fair: a clean fighter.
- inoffensive in language or content;
- (of a document, record, etc.) bearing no marks of discreditable or unlawful conduct;
listing no offenses: a clean driver's license.
- innocent of any crime.
- not having a criminal record.
- carrying or containing no evidence of unlawful activity or intent, as controlled substances, unlicensed weapons, or contraband: The agents searched the car for drugs, but it was clean.
- not using narcotics.
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- neatly or evenly made or proportioned;
trim: a clean profile.
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- dexterously performed;
adroit: a clean serve in tennis.
- (of a jump over an obstacle) made without touching the obstacle.
- having no direct associations, business interests, etc., that could prejudice one's official acts or decisions: The new governor is clean because he's sold his construction business and doesn't owe political favors to anyone.
- without money or funds.
- (of wine) having a taste that is unusually refreshing and smooth.
- (of an anchorage, harbor, etc.) free of obstructions or hazards (opposed to foul).
- (of the legs of a horse) free from injury or blemish, as capped hocks, splints, or scars.
- [Foreign Exchange.](of currency floats) not influenced by exchange-rate manipulation (opposed to dirty).
- in a clean manner;
cleanly: Nobody wants to box with him because he doesn't fight clean.
- so as to be clean: This shirt will never wash clean.
quite: The sharp carving knife sliced clean through the roast. In a year, he had gone clean through his inheritance.
- clean full, [Naut.]
- (of a sail or sails) filled with wind;
- (of a sailing vessel) with all sails full of wind;
- come clean, [Slang.]to tell the truth, esp. to admit one's guilt.
- to make clean: Clean those dirty shoes.
- to remove or consume the contents of;
clear: She sat down to dinner ravenous and within five minutes had cleaned her plate.
- to dry-clean.
- to remove the entrails and other inedible parts from (poultry, fish, etc.);
- to take away or win all or almost all the money or possessions of (often fol. by out): The cards were marked and I got cleaned.
- to remove the seams from (a casting) by filing or grinding.
- [Philately.]to delete intentionally the cancellation from (a postage or revenue stamp).
- to perform or undergo a process of cleaning: This kind of fabric cleans easily. Detergents clean better than most soaps.
- to get rid of dirt, soil, etc. (often fol. by up): to spend the morning cleaning.
- clean house, to wipe out corruption, inefficiency, etc., as in an organization: It's time for the city government to clean house.
- clean out:
- to empty in order to straighten or clean.
- to use up;
exhaust: He had cleaned out his savings.
- to drive out by force.
- to empty or rid (a place) of occupants, contents, etc.: Eager customers cleaned out the store on the first day of the sale. The thief cleaned out the safe.
- [Slang.]to cause to lose all or almost all one's money or possessions.
- clean up:
- to wash or tidy up.
- to rid of undesirable persons or features: They cleaned up the local bars.
- to put an end to;
finish: to clean up yesterday's chores.
- to make a large profit: They cleaned up in the stock market.
- clean up one's act. See act (def. 10).
Upholsteryup•hol•ster•y (up hōl′stə rē, -strē, ə pōl′-),USA pronunciation n., pl. -ster•ies.
- the materials used to cushion and cover furniture.
- the business of an upholsterer.
Sofaso•fa (sō′fə),USA pronunciation n.
- a long, upholstered couch with a back and two arms or raised ends.
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Just how do I select the right quality Clean Upholstery Sofa? The part of the kitchen stand can help the features of a home kitchen, as we learn. This table's living is not just useful as being a direct impact on the kitchen created's layout, but also a mixture of cuisine. As a result of huge kitchen counter content at the moment, select the right state your experience in weighing cons and the professionals.
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text:
Company Overview: We are a dynamic and innovative Technology SaaS company at the forefront of industry transformation. Our cutting-edge solutions empower businesses to thrive in the digital age. As we continue to expand, we are seeking a skilled and experienced Part-Time Finance Director to join our team remotely in the UK.
As the Finance Director focused on Investor Relations and Fundraising, you will be a key player in our growth journey, responsible for attracting investment capital and building strong relationships with investors.
This role presents an exciting opportunity to contribute to our financial strategy while enjoying the flexibility of remote work.
Position: Part-Time Finance Director
Location: Fully Remote (UK) Type: Part-Time
Role and Responsibilities:
As the Part-Time Finance Director, you will play a pivotal role in shaping our financial strategy and ensuring the long-term financial sustainability of the organisation. You will work closely with our executive team and contribute to key decision-making processes. Your responsibilities will include:
- Financial Strategy and Planning:
- Collaborate with the executive team to develop and execute financial strategies aligned with business objectives.
- Lead the budgeting and forecasting processes, providing accurate and insightful financial projections.
- Monitor financial performance and variances, analyzing trends and making strategic recommendations.
- Financial Reporting and Analysis:
- Prepare comprehensive financial reports, including profit and loss statements, balance sheets, and cash flow statements.
- Provide actionable insights based on financial analysis to support strategic decision-making.
- Ensure compliance with accounting standards, regulations, and reporting requirements.
- Cash Management and Risk Mitigation:
- Manage cash flow and liquidity, optimizing working capital efficiency.
- Identify and manage financial risks, implementing strategies to mitigate potential issues.
- Oversee credit control and collections to maintain healthy cash flow.
- Financial Operations:
- Supervise day-to-day financial operations, including invoicing, payments, and expense management.
- Implement efficient financial processes and controls to maintain accuracy and transparency.
- Ensure timely and accurate payroll processing.
- Financial Leadership:
- Lead, mentor, and develop a small finance team, fostering a culture of collaboration and continuous improvement.
- Act as a strategic partner to the executive team, providing financial insights to drive growth and innovation.
- Present financial performance updates and recommendations to the board of directors.
- Fundraising Strategy:
- Collaborate with the executive team to formulate a fundraising strategy aligned with the company's growth objectives.
- Identify potential sources of funding, including venture capital, angel investors, and strategic partnerships.
- Evaluate and recommend the optimal funding mix to support the company's expansion plans.
- Pitch Development:
- Develop our data-driven pitch materials that effectively communicate the company's value proposition, growth potential, and financial outlook.
- Craft persuasive investor presentations and financial models that showcase the startup's vision and opportunities.
- Investor Due Diligence:
- Lead due diligence processes, working closely with legal, finance, and operations teams to ensure smooth and thorough investor reviews.
- Prepare necessary documents and information to address investor inquiries and concerns.
- Negotiation and Deal Closure:
- Negotiate investment terms and conditions, balancing the interests of the company and investors.
- Coordinate legal and financial aspects of fundraising agreements, ensuring compliance with regulatory requirements.
- Financial Strategy Alignment:
- Collaborate with the CFO and finance team to ensure fundraising initiatives align with the company's overall financial strategy.
- Provide insights to the executive team based on investor feedback and market trends.
Qualifications and Experience:
- Qualified accountant (ACA, ACCA, CIMA) with a strong academic record.
- Proven experience as a Finance Director or similar senior finance role, preferably within the Technology SaaS industry.
- Solid understanding of SaaS business models, recurring revenue, and subscription-based pricing.
- Exceptional analytical, financial modeling, and forecasting skills.
- Proficient in financial software and tools.
- Strong leadership and team management abilities.
- Excellent communication skills with the ability to present complex financial information clearly to non-finance stakeholders.
- Comfortable working independently and remotely, demonstrating self-motivation and time management skills.
- Proven track record in fundraising and investor relations within the startup ecosystem.
- Demonstrated ability to attract investment capital and close funding rounds.
- Strong financial modeling and valuation skills.
Why Join Us:
- Be part of a forward-thinking and dynamic team driving technological innovation.
- Enjoy the flexibility of remote work with a strong emphasis on work-life balance.
- Contribute to shaping the financial direction of a growing SaaS organization.
- Collaborate with industry experts and gain exposure to cutting-edge technologies.
If you are an experienced finance professional looking for a challenging and rewarding part-time opportunity, we encourage you to apply. Join us in our mission to revolutionize the technology landscape while achieving personal and professional growth.
To apply, please submit your CV and a cover letter detailing your relevant experience and motivation for the role. We look forward to reviewing your application.


text:
Human Remains Found at Medieval Ship Site
Submitted by Milica on Thu, 2002-12-19 16:13
Archaeologists excavating a 15th century ship in Newport, Wales have unearthed human remains. Curioser and curioser. The saga of the Newport medeival ship continues to spark interest around the world. On December 12, 2002, excavators discovered two ancient leg bones at the site on the River Usk. "It's possible that these bones are the result of some kind of accident," said Adam Yates of the Archaeological Trust. The bones belong to a grown man and were found underneath the ship. The bones have been removed for carbon dating.


Definitions for "-ine"
A suffix, indicating that those substances of whose names it is a part are basic, in their nature, i.e. contain a basic nitrogen group.
A suffix, formerly used to indicate hydrocarbons of the second degree of unsaturation; i. e., members of the acetyline series; as, hexine, heptine, etc., but now superseded by the ending -yne, as in propyne.


text:
Photo Gallery | Baby Colobus Monkey At The Saint Louis Zoo
A black and white colobus monkey was born at the Saint Louis Zoo's Primate House on June 30.
Naming will await determination of the monkey's gender. The infant is the sibling of "Mosi", now 13 months old and the first colobus to be born at the Zoo in 11 years.
Colobus infants are born with all white hair and a pink face. In contrast, adults are primarily black, with white hair encircling their face and half of their tail. They have a distinctive mantle of long white hair extending from their shoulders around the edge of their back. Infants will change color gradually until they reach adult coloration at about six months.
The 24-year-old mother "Roberta" came to the Saint Louis Zoo in 2010 after attempts to introduce her to the colobus group at Binder Park Zoo in Michigan were unsuccessful. After the move to St. Louis, Roberta was easily integrated with the Zoo's 13-year-old female "Cecelia," and both the new baby's and Mosi's father, six-year-old "Kima." The family of five is now on exhibit. Visitors can see the infant poking its head out to look at its new world.
"It was believed that Roberta, who is an experienced mother, was likely post-reproductive when she arrived here," says Ingrid Porton, curator of primates at Saint Louis Zoo. "Happily she proved this to be quite incorrect."
Colobus monkeys are found throughout the forests of central Africa. The birth is part of the Association of Zoos and Aquariums' Colobus Species Survival Plan (SSP), a program to manage a genetically healthy population of black and white colobus monkeys in North American zoos.
"Roberta is an attentive and protective mother. Mosi is very curious about the new infant and mom allows him to sniff the infant, but when he tries to touch, she has pushed him away," says Porton. "We are looking forward to the time when his sibling will be old enough to be Mosi's play partner."


text:
Populations of Iberian spiders that make aerial webs and move around by ballooning (using a thread of silk as a parachute) are genetically more homogeneous and are better connected between them. On the other side, species of nocturnal spiders, which hunt on the ground and have a low dispersal capacity, show less genetically connected populations and are more vulnerable to local extinction processes due to environmental factors.
This is concluded in an article published in the journal Insect Conservation and Diversity, led by Professor Miquel Arnedo, from the Faculty of Biology and the Biodiversity Research Institute (IRBio) of the University of Barcelona. Among the participants are the UB-IRBio experts Marc Domènec —first author of the article—, Alba Enguídanos and Cesc Múrria, and Jagoba Malumbres-Olarte, from the University of the Azores (Portugal).
Genetic diversity of Iberian spider populations
In the context of the current biodiversity loss due to human activity, the use of genetic techniques to accelerate cataloguing and identification of species for their preservation has become especially relevant. These techniques require databases that relate species to their genetic sequencing.
The new paper is the broadest study on the biodiversity of spiders of the Iberian Peninsula carried out using the DNA barcoding methodology, a comparative genetics technique for the identification of species. With this genetic information, the team revealed the existence of a taxonomic diversity that had been unnoticed to date.
The team provided more than 3,200 new sequences of spiders corresponding to 371 species —that is, a quarter of the total of registered species in the Iberian Peninsula that live in different oak woodlands of six national parks: Aigüestortes i Estany de Sant Maurici, Ordesa y Monte Perdido, Picos de Europa, Monfragüe, Cabañeros and Sierra Nevada.
Populations of Iberian spiders are characterized by an exceptionally high diversity and a high endemic level. This high level of endemism —and a relatively reduced distribution— makes peninsular populations more vulnerable to potential local extinctions, compromising the viability of the species. "In other populations of the European continent, the endemicity level is lower and this involves a broader distribution which guarantees the permanence of the species despite the potential extinction of some of their populations", notes Professor Miquel Arnedo, from the Department of Evolutionary Biology, Ecology and Environmental Sciences.
As stated in the paper, some peninsular species show a high genetic homogeneity in the area but others present a high variability between populations. "In different cases, the delimitation of species based on genetic information has revealed the existence of well differenced lineages within the same species", notes Arnedo.
"These lineages —he continues— could simply reflect populations that are less connected to each other. However, in some cases, this could indicate the potential existence of a hidden diversity that we had not found before, if we consider the morphological characters exclusively", adds Arnedo. "Therefore, we have found that species such as Eratigena montigena or Nuctenea umbratica have different lineages that had been unnoticed due to the strong morphological similarities between them. Future studies with these species will determine whether these lineages correspond to different species".
How to protect Iberian spider populations
The genetic structure of peninsular spider populations is associated to their functional features, as noted in the paper. The correlation of the patterns of genetic diversity at a peninsular scale with different functional and environmental variables enabled the researchers to determine that better connected and genetically homogeneous populations are associated to diurnal spiders that live in the vegetation, hunt preys with space webs and move by ballooning. However, those living at the ground level, which are active and nocturnal hunters, are more vulnerable to local extinctions due to a lower genetic connection between populations.
Keeping the genetic variability in a population "is a fundamental factor to ensure the adaptation skills and to deal with environmental changes since it is the substrate on which natural selection acts", says Marc Domènech (UB-IRBio), first signatory of the article.
"Regarding the species with a low dispersal capacity, if a population disappears due to some external perturbation, it is even harder to repopulate the area it occupied at the beginning", notes Domènech. "The fragmentation of the habitats is one of the most negative effects derived from the alteration of natural environments. Therefore, it is important to ensure the existence of biological corridors that ease the connectivity among populations that are separated by altered environments and that are inhospitable by these species".
DNA Barcoding: a revolution in taxonomic studies
The DNA Barcoding methodology has changed the analysis of biodiversity in several faunistic groups through new great-resolution bioinformatic tools to accelerate the classification and identification of species. Using this technology, it is possible to classify juvenile individuals —morphologically unidentifiable— at a species and subspecies level. It is also an efficient technique to identify different life stages of the same species which are impossible to identify by other methodologies.
In the study field of Iberian spiders, the team led by Miquel Arnedo is working on a DNA barcode library of all Iberian spiders. This task will enable the future implementation of automated and large-scale identification systems to facilitate the monitoring of communities and habitats of interest, and therefore establish an early warning system to detect potential perturbations on the populations. "Extrapolating these results to other natural habitats will allow us to see up to what extent our results are generalizable", conclude the experts.
Insect Conservation and Diversity
Method of Research
Subject of Research
What DNA barcodes reveal: microhabitat preference, hunting strategy and dispersal ability drive genetic variation across Iberian spider species
Article Publication Date


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Understanding the factors affecting the survival of patients undergoing hemodialysis is the mainstay of care in this population. The present study aims at finding these features using novel cure models that discover factors important in both long term and short-term survival of patients undergoing HD.
Data were retrospectively collected from the database of Shiraz University of Medical Sciences Special Diseases Administration including patients of 34 HD centers during 2011 to 2015. The primary outcome was death. Considering people with no death event as cured, the rest of the patients considered as uncured. To evaluate the factors affecting mortality, we used a mixture cure model (MCM) that model the long-term and short-term survival of patients separately.
Of 506 patients, 68.75% of women and 75.0% of men were long-term survivors. The mean (± SD) age of the patients was 57.5 (± 16.5) years and the empirical value of the cure rate was 72.9%. Sex, age, and Kt/Vurea were recognized as important factors in the long-term survival. In other words, lower age, male sex, and Kt/ Vurea ≥ 1.2 significantly increased the odds of being cured. The factors effective in short-term survival were mean corpuscular hemoglobin concentration (MCHC) and serum hemoglobin. The serum hemoglobin between 11 and 12.5 and a high MCHC decreased the risk of death.
Using cure model survival analysis, it was found that factors affecting the proportion of the patients with long-term survival might be different from those affecting short-term survival.
- دسترسی به متن مقالات این پایگاه در قالب ارایه خدمات کتابخانه دیجیتال و با دریافت حق عضویت صورت میگیرد و مگیران بهایی برای هر مقاله تعیین نکرده و وجهی بابت آن دریافت نمیکند.
- حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران میشود.
- پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانههای چاپی و دیجیتال را به کاربر نمیدهد.


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The Protein Globe is a graphical interface to the PDBj and other services.
The Protein Globe provides a global view and representation of the protein universe. Each protein fold is represented as a point on a globe (sphere), and structurally similar folds (as judged by the ASH program) are placed closer together on the globe than structurally dissimilar folds. We can observe that there are many clusters or islands of folds on the globe. Cartoon representations of folds are provided for some large clusters.
You can interact with the Globe by using your mouse: Rotating the Globe, picking a point, etc. The Globe is an application based on jV (PDBjViewer, version 3).
In order to use the Globe, you need to have the following softwares installed on your computer:
You can make a direct link to the protein domain on the Globe. For example, if you know that there exists on the Globe a domain with PDB ID '1ash' with chain 'A' and domain ID '1', then you can make a link to the point by writing:
By clicking this link, you will have the Globe with the corresponding domain focused.
While PDB ID and chain ID are standard PDB items, domain ID is not. Nobody can blame you if you don't know the domain ID of a particular protein fold. Thus, you can make a link to the Globe by specifying only the PDB ID like:
In this example, we are fortunate enough to have only one domain with the PDB ID '1ash' on the Globe so that the domain is automatically focused. Although the Globe page says error, this can be safely ignored in this case.
However, what if there are multiple domains with the same PDB ID on the Globe? Try the following:
This time, the Globe is not focused. But there should be three buttons on the right-center of the page, each corresponding to a domain with the PDB ID '2awa'. If you find the one you want among the buttons, click it, and you have that one focused on the Globe.
People have likes and dislikes. Or maybe you want the Globe to be of different colors time to time for a change. By specifyingsparameter in the Globe URL, you can have the colors shown in the following figure:
You can specify the colors like:
where xy should be 0 to 59 (inclusive). the first digit (x) of xy specifies the land color, and the second digit(y) the sea. If there is no x, then only specify y (0-9). For example, by specifying's=55', you have the dark green sea with cyan lands ( http://127.0.0.1/globe/globe.cgi?s=55 ); and with's=39', you have the grey sea and the light green lands ( http://127.0.0.1/globe/globe.cgi?s=39 ), etc.
Alternatively, xy can be random (literally). In this case, the colors will be chosen randomly among the 60 choices every time the Globe is (re)loaded.


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Your donation allows Form5 to continue generating impact through its strategic pillars: Community, Research & Development, Education, and Sustainability.
- COMMUNITY: Form5 cultivates a community of individuals with limb differences through its Nub Club of Ohio. In 2024, Form5 plans to pilot more programming to connect individuals with limb differences and create environments to share experiences.
- RESEARCH & DEVELOPMENT: Form5 builds interdisciplinary teams of specialists that research & develop medical and recreational devices. Form5 has a patent pending for its Bike Arm Adapter and has provided over 20 users to date with the device. Form5 plans to conduct two rounds of clinical testing in 2024.
- EDUCATION: Form5's educational programs and STEM curriculum spark social innovation, creating novel devices. Form5 hosts workshops for high school and college students. Additionally, the organization provides paid internships to 4 students a year (minimum).
- SUSTAINABILITY: Form5 is committed to organizational sustainability through its social enterprise, Difference Makers 3D, providing design and 3D printing services to other organizations. Net revenue generated from this program supports the commercialization of the Bike Arm Adapter.
Donations can also be mailed to P.O. Box 673 New Albany, Ohio 43054


text: A recent overview of Salvinia finds from archaeobotanical literature by Out (2010), which also includes the finds in the present study, shows that Schokkerhaven is the most northern location of mid-Holocene Salvinia finds. It is the only location outside the Rhine/Meuse river area. Formerly, finds of Salvinia were dated to the Atlantic (early-Neolithic) mainly based on Zandstra (1966). The overview by Out provides more finds that are dated in the transition from Atlantic to Sub-Boreal and shows the occurrence of Salvinia during the Sub-Boreal (late-Neolithic) period. This fits with the occurrence of an other thermophilous aquatic species, namely Trapa natans elsewhere in the Netherlands. Trapa was frequently recorded in the early Subboreal (archaeobotanical database RADAR; Van Haaster & Brinkkemper 1995; Behre 1970).


Kenya Vision 2030 is the country's development blue print covering the period 2008 to 2030. It aims to transform Kenya into a newly industrializing middle income country providing a high quality of life to all its citizens by the year 2030.
The Vision is based on 3 pillars: the economic, social and political pillars. The economic pillar aims to improve the prosperity of all Kenyans and achieve an average Gross Domestic Product (GDP) growth rate of 10% per annum. The social pillar seeks to build a just and cohesive society with social equity in a clean and secure environment. The political pillar aims to realise a democratic political system founded on issue-based politics that respects the rule of law, protects the rights and freedoms of every individual in Kenyan society. Kenya Vision 2030 is to be implemented in successive five year Medium Term Plans. "Flagship projects" are expected to take the lead in generating rapid growth. For further information visit the following website:
Current Exchange Rate
For the latest current exchange rate between the Kenyan shilling and other currencies, follow this link: Central Bank of Kenya Exchange Rates


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If I had a negatively charged body, say an electret, and i put it in a container of NaCl solution. Will the positive ions of sodium be attracted to it? and why? If no, why do the positive ions attract to the cathode during electrolysis?
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Hello Abdelrahman, Good Question. But short answer... Take a basic view upon Electrolysis and other related links thereby..! – Waffle's Crazy Peanut Oct 2 '12 at 14:37
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Yes, and this is a very important effect in synthetic polyelectrolytes and in biological macromolecules.
The usual model is to treat the added charge as an imobile object with a given charge. The dissolved ions are then treated as mobile charges. The mobile ions with the opposite charge will be attracted to the fixed charge, and repelled from each other. The mobile ions with the same charge as the fixed charge will be repelled from it, and each other. The end result of that is a continuous charge distribution throughout the liquid. The electrostatic potential is the sum of the potential from the fixed ion with the potential due to the sea of mobile ions. You can treat the mobile ions statistical mechanically: they follow a Boltzmann distribution with energies equal to their charge times the electrostatic potential at their location in the liquid. Put those two terms together to get the Poisson-Boltzmann equation, a partial differential equation for the electrostatic potential in the liquid. In general that is difficult to solve, and it's usually solved numerically. For some special problems, it is possible to solve the PB equation analytically. The usual approximation is that the electrostatic energy is much less than the thermal energy $kT$, in which case you can linearize the PB equation to get the Debye-Huckel equation.
The Debye-Huckel equation is actually a bit instructive qualitatively. In the absence of anything else, the electrostatic potential falls off as $V(r) \propto 1/r$. In the presence of the mobile ions, the electrostatic falls off as $V(r) \propto e^{-\kappa r}/r$. $\kappa^{-1}$ is caled the Debye screening length, and is proportional to (among other things) the square root of the ionic strength of the solution.
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Yes, this is the basis of electroplating.
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Javascript – How Prototypal Inheritance really...
2012/12/14 13:57
阅读数 150
Everywhere on the web we read that Javascript has prototypal inheritance. However Javascript only provides by default a specific case of prototypal inheritance with the new operator. Therefore, most of the explanations are really confusing to read. This article aims to clarify what is prototypal inheritance and how to really use it on Javascript.
Prototypal Inheritance Definition
When you read about Javascript prototypal inheritance, you often see a definition like this:
When accessing the properties of an object, JavaScript will traverse the prototype chain upwards until it finds a property with the requested name. Javascript Garden
Most Javascript implementations use __proto__ property to represent the next object in the prototype chain. We will see along this article what is the difference between __proto__ and prototype.
Note: __proto__ is non-standard and should not be used in your code. It is used in the article to explain how Javascript inheritance works.
The following code shows how the Javascript engine retrieves a property (for reading).
function getProperty(obj, prop) { if (obj.hasOwnProperty(prop)) return obj[prop] else if (obj.__proto__!== null) return getProperty(obj.__proto__, prop) else return undefined}
Let's take the usual class example: a 2D Point. A Point has two coordinates x, y and a method print.
Using the definition of the prototypal inheritance written before, we will make an object Point with three properties: x, y and print. In order to create a new point, we just make a new object with __proto__ set to Point.
var Point = { x: 0, y: 0, print: function () { console.log(this.x, this.y); }}; var p = {x: 10, y: 20, __proto__: Point}; p.print(); // 10 20
Javascript Weird Prototypal Inheritance
What is confusing is that everyone teaches Javascript prototypal inheritance with this definition but does not give this code. Instead they give something like this:
function Point(x, y) { this.x = x; this.y = y;} Point.prototype = { print: function () { console.log(this.x, this.y); }}; var p = new Point(10, 20); p.print(); // 10 20
This is completely different from the code given above. Point is now a function, we use a prototype property, the new operator. What the hell!?
How new works
Brendan Eich wanted Javascript to look like traditional Object Oriented programming languages such as Java and C++. In those, we use the new operator to make a new instance of a class. So he wrote a new operator for Javascript.
 - C++ has the notion of constructor, that initializes the instance attributes. Therefore, the new operator must target a function.
 - We need to put the methods of the object somewhere. Since we are working on a prototypal language, let's put it in the prototype property of the function.
The new operator takes a function F and arguments: new F(arguments...). It does three easy steps:
 1. Create the instance of the class. It is an empty object with its __proto__ property set to F.prototype.
 2. Initialize the instance. The function F is called with the arguments passed and this set to be the instance.
 3. Return the instance
Now that we understand what the new operator does, we can implement it in Javascript.
function New (f) {/*1*/ var n = { '__proto__': f.prototype }; return function () {/*2*/ f.apply(n, arguments);/*3*/ return n; }; }
And just a small test to see that it works.
function Point(x, y) { this.x = x; this.y = y;} Point.prototype = { print: function () { console.log(this.x, this.y); }}; var p1 = new Point(10, 20); p1.print(); // 10 20 console.log(p1 instanceof Point); // true var p2 = New (Point)(10, 20); p2.print(); // 10 20 console.log(p2 instanceof Point); // true
Real Prototypal Inheritance in Javascript
The Javascript specifications only gives us the new operator to work with. However, Douglas Crockford found a way to exploit the new operator to do real Prototypal Inheritance! He wrote the Object.create function.
Object.create = function (parent) { function F() {} F.prototype = parent; return new F();};
This looks really strange but what it does is really simple. It just creates a new object with its prototype set to whatever you want. It could be written as this if we allow the use of __proto__:
Object.create = function (parent) { return { '__proto__': parent };};
The following code is our Point example with the use of real prototypal inheritance.
var Point = { x: 0, y: 0, print: function () { console.log(this.x, this.y); }}; var p = Object.create(Point); p.x = 10; p.y = 20; p.print(); // 10 20
We have seen what prototypal inheritance is and how Javascript implements only a specific way to do it.
However, the use of real prototypal inheritance (Object.create and __proto__) has some downsides:
 - Not standard: __proto__ is non-standard and even deprecated. Also native Object.create and Douglas Crockford implementation are not exactly equivalent.
 - Not optimized: Object.create (native or custom) has not yet been as heavily optimized as the new construction. It can be up to 10 times slower.
Some further reading:
If you can understand with this picture (from the ECMAScript standard) how Prototypal Inheritance works, you get a free cookie!
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Ellipsis Monday Photo Shoot #42: Playing In The Water
"Don't you realize that the sea is the home of water? All water is off on a journey unless it's in the sea, and it's homesick, and bound to make its way home someday."
-Zora Neale Hurston
EMPS #42: PLAYING IN THE WATER. It's the middle of June, and time for some fun in the water. Rubber duckies bobbling along. Babies being bathed. Dogs out for a swim. Pelicans catching fish. Teens running a car wash. Children running through the sprinklers. There are lots of places you might find someone, or something, enjoying water. I will also accept a photograph of a beautiful waterfall or some other body of water that is moving, but if possible, please try to include someone or something engaged with the water. And please, rather then tapping into your archives, lets go out and do some photography this week.
Extra Credit: Write a paragraph or two about how you used your senses while you were taking your photos for this assignment. What did you hear? What did you smell? Did you touch the water? Did you find something about the experience uniquely different then when you photograph other subjects? I want to hear about your experiences with the camera during this assignment.


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Work Package 2
Dissemination and communication
The objective of the dissemination and communication work package is to raise the awareness about the outcomes of the project and the developments that have been achieved within the Science for Prevention Academic Network. Within this work package, all key stakeholders such as public administrations, academics, relevant enterprises and research institutions, scientific and industrial experts are involved, in order to foster the impact of the project activities and results. This work package shall ensure that the project objectives, activities and methodologies developed within the project are widely promoted to the target groups defined by the dissemination and communication plan on European level and beyond.
Description of work and role of partners
Task 2.1 Development of Dissemination Plan
This task is devoted to development of effective dissemination and communication strategy and coordination of the dissemination activities within the project consortium partners. The aim of this task is to identify and structure the activities leading to the promotion of the project's activities and results. The plan shall define the target groups, key messages, media channels and responsibilities. Measurable criteria of the dissemination efforts shall be selected in order to effectively evaluate each dissemination activity. The dissemination plan shall define principles to be followed by all dissemination activities in order to avoid confusion and misconceptions and to foster the quality of project communication.
Task 2.2 Realization of Dissemination Plan
This task shall be devoted to development of the project logo, promotional material, press releases, articles, leaflets, newsletters, videos, etc. Prevention Science awareness raising activities shall be linked to activities of the European Society for Prevention Research Conference (EUSPR), the European Public Health Association (EUPHA), European Institute of Studies on Prevention (IREFREA), European Monitoring Centre for Drugs and Drug Addiction (EMCDDA), the active participation in top prevention related conferences, trade fairs and brokerage events (e.g. FP7 Proposers' Day). All dissemination activities shall be monitored and recorded during the project execution.
Task 2.3 Final Conference
Final project conference held in Brussels shall be organized informing about the project results, impact and future activities. The target audience shall include prevention relevant enterprises and research institutions, policy and decision makers, clusters, scientific and industrial experts across Europe.


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Yenka Science with Electronics is a highly interactive virtual lab, which lets you model physics and chemistry experiments safely and easily.
Simulate experiments however you wish: design circuits and optical systems, model reactions using over 100 different chemicals, investigate wave propogation or accelerate masses. Poweful graph tools let you follow your experiments' progress.
It can be used as a flexible demonstration tool - for example, on a whiteboard. Alternatively, students can use Yenka themselves, to investigate concepts in Yenka's safe, accurate world.
And teachers and students can all use the full version of Yenka Science at home, free of charge.
Yenka Science with Electronics covers these areas:
- Electronic design - design circuits using over 100 types of digital and analog component.
- Light and Sound - Experiment with sound, water and light waves, and ray diagrams.
- Force and Motion - Investigate projectiles, oscillations, gravity and motion.
- Electricity and Magnetism - Simulate power generation and transmission, and analogue electrical circuits.
- Inorganic and physical chemistry - model experiments using a wide range of chemicals, equipment and glassware, graphing data as your simulations run.
- Electrochemistry - investigate electrolysis, electroplating and cells, choosing from a range of metal or carbon electrodes, and 28 different electrolytes.
If you don't teach electronics in your science lessons, you could save money by buying Yenka Science. And you can also buy Yenka Physics or Yenka Chemistry individually, which together make up Yenka Science.


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What's in the Air? The Chemistry and Impact of Volcanic Smog (VOG)
The following "Reef Talk" program will be held at the Kaloko-Honokohau National Historical Park Visitor Center on Thursday, January 24th from 6:30 pm—8:00 pm:
Presented by: Massachusetts Institute of Technology Students
In this presentation, a team of undergraduates from MIT's Department of Civil and Environmental Engineering will discuss their recent measurements of the chemical composition of volcanic smog ("vog"). These students will be visiting the Big Island as part of an annual MIT class, "Traveling Research Environmental Experiences" (TREX), aimed at providing undergraduates with hands-on experience carrying out environmental fieldwork. The past two TREX trips (in January 2012 and January 2013) have focused on measuring two of the most noxious components of vog, sulfur dioxide (SO2) and particulate matter (PM), using both ground-based instruments and sensors onboard an unmanned aerial vehicle (UAV). Here the students will present their results from these studies, as well an overview of the chemical composition and impact of vog.
For more information about this project click here


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Browser in Window
How to create a Floated Window with Browser
Here is how you can easily have the Browser on a floated (movable and resizable) Window, e.g. if you wish to have the Browser on a secondary screen
In this example we will use the 4 Decks default skin.
- Unzip the VirtualDJ 8.zip file to a folder.
- Keep just 2 files, the 4 Decks.xml and the 4 Decks.png and delete the others.
- Open the 4 Decks.xml with a Text or an XML Editor.
- Add the following lines at the bottom of the xml file, just one line before its end line
The bottom part of the XML should look like this..
- Zip those 2 files, provide a name for the zip file and place it into the Skins folder. Open VirtualDJ and load the skin from the INTERFACE tab.
Window element parameters
- name: use whatever name you want. The name will be used to open/close the window, using the action show_window 'nameofthewindow'
- posx, posy : Define the position on your primary screen that the Window will appear when the skin is launched for the first time. If you move the window to a different position, the new posx, posy values will be saved across sessions and the values from the xml will not be taken into account.
- width, height : Define the width and height that the window will have when the skin is launched for the first time. If you resize the window, the new dimensions will be saved across sessions, and the width, height values of the xml will not be taken into account.
- image : provide the name of the image file that the elements inside the window will take graphics from. Since no special graphics are needed in this case, you can use the graphics file that the original skin uses.
- shown : true/false. When set to false, the window will be hidden when the skin loads for the first time. The status (hidden/displayed) is memorized across sessions, so this parameter defines if the window will be visible or not when the skin loads for the first time.
Once the skin is loaded, the floated window with the Browser will appear. You can then resize it and move it to your secondary screen by grabbing the edges (that is why in the example above, the width and height of the have -10 pixels compared to the width and height of the window and the x,y position of the browser start from pixel 5,5)
Alternatively, you may use Browser Tweaks, a Windows application which among others, offers the ability to add a Browser to a floating window