text:
En mathématiques, et plus précisément en analyse, une différence finie est une expression de la forme f(x + b) − f(x + a) (où f est une fonction numérique) ; la même expression divisée par b − a s'appelle un taux d'accroissement (ou taux de variation), et il est possible, plus généralement, de définir de même des différences divisées. L'approximation des dérivées par des différences finies joue un rôle central dans les méthodes des différences finies utilisées pour la résolution numérique des équations différentielles, tout particulièrement pour les problèmes de conditions aux limites.

Les opérateurs mettant en jeu des différences finies, appelés opérateurs de différence, font l'objet d'une branche de l'analyse mathématique possédant de nombreux points communs avec la théorie des opérateurs différentiels ; certaines de ces analogies ont été systématisées et exploitées par le calcul ombral.

Opérateurs de différence finie
On considère en général uniquement les différences « en avant », « en arrière » et « centrées ».

L'opérateur de différence avant, , est défini par
, où h est le plus souvent une constante, qu'on appelle le pas.
De même, l'opérateur de différence arrière, , est défini par
.
Enfin, l'opérateur de différence centrée, , est défini par
.

Relation avec les dérivées
Le nombre dérivé d'une fonction f en un point x est défini par la limite
.

Si h a une valeur fixée (non nulle), le terme de droite est

.

Ainsi, la différence avant divisée par h approxime le nombre dérivé quand h est petit. L'erreur de cette approximation peut être déterminée à l'aide de la formule de Taylor. Supposant que f est continument dérivable,
 (où O est une notation de Landau).

La même formule est valable pour la différence arrière :

.

Cependant, la différence centrale donne une approximation plus précise ; son erreur est proportionnelle au carré du pas (si f est de classe ) :

.
En analyse non standard, on définit directement la dérivée comme l'ombre (le réel standard le plus proche) d'une différence finie de pas infinitésimal.

Différences d'ordre supérieur
De manière analogue, on peut obtenir des approximations de dérivées d'ordre supérieur. Ainsi, appliquant la formule de différence centrale précédente à la dérivée de  en x, et utilisant les différences centrales pour  et , on obtient une approximation (par différences centrales) de la dérivée seconde de  :

Plus généralement, les différences avant, arrière et centrale d'ordre n (où la notation , par exemple, correspond au n-ième itéré de , c'est-à-dire que  n fois), sont respectivement données par
,

,

On le déduit facilement (par récurrence) de la formule de Pascal sur les coefficients binomiaux .

Il faut remarquer que dans le cas des différences centrales, pour tout  impair,  est multiplié par des non-entiers ; ce qui peut être un problème dans des applications où cela change l'intervalle de discrétisation ; dans ce cas, une solution peut être de prendre la moyenne de  et de .

Il est enfin possible d'utiliser les différences itérées pour approximer des dérivées de tout ordre, et même d'employer un nombre de termes dissymétrique autour de la valeur centrale, ce qui est utile lorsqu'on effectue des calculs sur une grille, pour compenser les effets de bord. La relation entre les différences itérées et les dérivées d'ordre correspondant est très simple :

Les différences d'ordre supérieur peuvent être également utilisées pour obtenir de meilleures approximations. Comme on l'a vu, les différences du premier ordre approximent les dérivées (premières) à un terme d'ordre h près. Mais la combinaison

est une approximation de f(x) à un terme d'ordre h2 près ; ceci peut se montrer en développant l'expression précédente par la formule de Taylor, ou en utilisant le calcul symbolique des différences finies .

La suite  des différences avant de  au point  est la transformée binomiale de la suite  ; elle a diverses propriétés combinatoires remarquables. Ces différences avant peuvent notamment être évaluées en utilisant l'intégrale de Nörlund-Rice. La représentation intégrale de ce type de suites est importante car l'intégrale peut souvent être évaluée en utilisant un développement asymptotique ou une méthode du point col alors que ces suites peuvent être très difficiles à évaluer numériquement, car les coefficients binomiaux croissent rapidement avec n.

Ces différences itérées possèdent des propriétés formelles utiles :

 Pour tous k et n entiers positifs
 Formule de Leibniz :

Méthodes des différences finies

En analyse numérique, une importante application des différences finies est la résolution numérique des équations différentielles et des équations aux dérivées partielles : l'idée est de remplacer les dérivées apparaissant dans l'équation par des différences finies qui les approximent. Les diverses méthodes qui en résultent sont appelées méthodes des différences finies.

De nombreuses applications de ces méthodes se rencontrent en théorie du calcul numérique, ainsi que dans des disciplines scientifiques très variées, telles que la mécanique des fluides, et ses applications à la météorologie ou à l'aérodynamique.

Séries de Newton

Le développement en série de Newton d'une fonction  au point  est la série suivante :
, où

désigne le coefficient binomial généralisé et

est la « factorielle descendante », le produit vide (x)0 étant par convention égal à 1.

D'après le théorème d'interpolation de Newton et le lien entre différences finies et différences divisées, la somme partielle jusqu'à  est le polynôme d'interpolation de Lagrange de  aux points . Par conséquent :

Cette égalité permet par exemple de démontrer l'involutivité de la transformation binomiale.

Elle est valide aussi pour certaines fonctions analytiques, mais pas toutes.

Ce développement en série de Newton correspond au cas des différences finies de pas h = 1. Si l'on itère un opérateur ayant un pas quelconque, la formule devient

On notera une similarité de ce développement de Newton avec le théorème de Taylor ; ce fut historiquement cette observation, ainsi que l'identité de Chu-Vandermonde,
, qui en dérive, qui amenèrent au calcul ombral.

Pour illustrer comment l'on peut utiliser ce développement de Newton, considérons les trois points (1, 2), (2, 2) et (3, 4). On peut trouver leur polynôme d'interpolation en calculant d'abord une table de différences, et en substituant alors les différences qui correspondent à  (les valeurs soulignées de la table) dans la formule, comme suit :

En analyse p-adique, le théorème de Mahler affirme que l'hypothèse que f soit un polynôme peut être relâchée, et il suffit que f soit continue.

Le théorème de Carlson fournit une condition nécessaire et suffisante pour que la série de Newton soit unique, si elle existe (car il est possible que la série de Newton n'existe pas).

Cette formule d'interpolation de Newton, comme celles de Stirling et de Selberg, sont un cas spécial de , toutes définies en termes de différences avant renormalisées.

Le calcul symbolique des différences finies
L'opérateur de différence avant envoie la fonction f vers Δh[f]. Cet opérateur vérifie , où  est l'opérateur de translation de pas , défini par , et  est l'identité (, et ).
 est un opérateur linéaire, et il satisfait à la règle du produit (on dit parfois que c'est une dérivation''' ; voir aussi à ce sujet l'article « Corps différentiel »). Les opérateurs de différence arrière et centrale obéissent à des règles similaires.

On a , , et , expressions qui peuvent se développer par la formule du binôme (appliquée à l'algèbre des opérateurs), puisque  et  commutent.
On vérifie alors que les formules données plus haut pour les différences d'ordre supérieur coïncident avec ces développements, ce qui justifie les notations choisies.

Appliquant le théorème de Taylor (par rapport à h), on obtient

où D désigne l'opérateur de dérivation usuel, envoyant f vers sa dérivée f. Inversant (formellement) l'exponentielle, on peut donc penser que

Cette formule est correcte quand on l'applique à une fonction f polynomiale, car alors la série se réduit à une somme finie. En revanche, même si f est analytique, il n'est pas garanti que la série converge : ce pourrait n'être qu'un développement asymptotique. Elle peut cependant être utilisée pour obtenir des approximations plus précises de la dérivée de f.
Ainsi, les deux premiers termes de la série donnent l'approximation du second ordre à  mentionnée à la fin de la section sur les différences d'ordre supérieur.

On a des formules analogues pour les différences arrière et centrale :

Toutes ces formules se généralisent encore à celles du calcul ombral et à d'autres formules de l'analyse combinatoire ; ainsi, l'opérateur inverse de l'opérateur de différence avant est celui de , ce qui a permis à Lagrange une « démonstration » abstraite de la formule d'Euler-Maclaurin, en l'interprétant comme l'inverse symbolique de la formule de Taylor.

 Généralisations

Une  différence finie généralisée est d'habitude définie par

où  est le vecteur de coefficients qui lui est associé. Une différence infinie en est une généralisation supplémentaire, où la somme finie précédente est remplacée par une série (infinie). Une autre sorte de généralisation consiste à faire dépendre les coefficients  du point  : , on parle alors de différences finies pondérées''' ; on peut aussi faire dépendre le pas  du point  : . Toutes ces généralisations sont utiles pour construire différents modules de continuité.

Différences finies à plusieurs variables
Il est possible de calculer des différences finies dans le cas de fonctions à plusieurs variables ; elles sont l'analogue discret des dérivées partielles.
On obtient ainsi les approximations suivantes :

.

Notes et références

Voir aussi

Article connexe
Différences divisées

Bibliographie
 , Section 1.6
 , Section 2.2
  [Voir aussi :  1960]

Liens externes

Analyse numérique

ja:差分
fa:روش تفاضلات محدود


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text:
Browse: Home / 2016 / August / Professor Earns International Award for Human-Animal Interaction Research
Professor Earns International Award for Human-Animal Interaction Research
Aubrey Fine, a professor in the College of Education & Integrative Studies, was awarded the 2016 William F. McCulloch Award for Excellence in Human-Animal Interaction Education and/or Practice.
Aubrey Fine, a professor in the College of Education & Integrative Studies, was lauded for the breadth, depth and quality of his human-animal interaction work at an international conference.
Fine was awarded the 2016 William F. McCulloch Award for Excellence in Human-Animal Interaction Education and/or Practice by the International Association of Human-Animal Interaction Organizations.
The association represents more than 80 human-animal interaction organizations worldwide and presents the award once every three years. Fine traveled to Paris in July to accept the award and give a keynote address.
"It's overwhelming when you get accolades and recognition from your peers," he says.
His presentation at the conference, titled "Connecting the Dots Backwards," detailed his journey in the field of human-animal interaction.
"When you look back on your life and how you envisioned it, sometimes you can only connect the dots backwards to understand your future rather than the other way around," he says. "I connected the dots from being a person who never had an animal and was afraid of dogs to being one of the people who started this movement of studying the use of animals therapeutically."
Fine is one of the leading researchers and practitioners in animal assisted interventions and has written multiple books on the subject. In addition to teaching, he continues to actively stay involved clinically with his co-therapy animals. His "Handbook on Animal Assisted Therapy" published by Academic Press is now in its fourth edition and is used at veterinary schools and universities across the United States and Europe.
"Science is now confirming what many people have known for centuries—that our interactions with animals are good for our well-being," Fine says. "My hope is to continue to uplift people's impression about animals' and the importance of our relationships with them."
Posted in Achievements | Tags Cal Poly Pomona, College of Education & Integrative Studies, Faculty and Staff
Cal Poly Pomona, College of Education & Integrative Studies, Faculty and Staff

redpajama_set_name: RedPajamaCommonCrawl


To artist, Concetta Antico of California, art and life have always been one in the same. Meet the worlds 1st tetrachromat artist. Why is white a color?
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text:
Halloween Town – Meine Oma ist 'ne Hexe (Originaltitel: Halloweentown) ist eine US-amerikanische Fantasy-Filmkomödie aus dem Jahr 1998. Regie führte Duwayne Dunham. Paul Bernbaum schrieb gemeinsam mit Jon Cooksey und Ali Matheson das Drehbuch.

Handlung
Marnie Piper und ihre Mutter Gwen diskutieren darüber, warum Marnie niemals am Halloween-Fest teilnehmen darf. Gwen lehnt jede Art von Magie und Spuk ab, ganz im Gegensatz zu ihrer Mutter Agatha. Es stellt sich heraus, dass die Frauen einer Familie der Hexen angehören. Marnies Großmutter Agatha Cromwell plant, den Unterricht ihrer Enkelin als Hexe zu beginnen. Gwen möchte jedoch, dass Marnie als normaler Mensch aufwächst und diskutiert darüber mit Aggie.

Nach einem Streit verlässt Aggie das Haus. Marnie und ihre Geschwister Dylan und Sophie schleichen ihrer Großmutter nach und gelangen so mit dem Bus nach Halloweentown, einer Stadt, wo jeden Tag Halloween gefeiert wird und Monster, Hexen und Spukgestalten friedlich zusammen leben. Aggie und die ganze Familie Cromwell gelten dort als mächtige Hexen. Aggie hatte versucht, Gwen um Hilfe zu bitten: In Halloweentown verschwinden immer wieder Hexen und nur der Bürgermeister Kalabar ist überhaupt daran interessiert.

Aggie und Gwen, die ihren Kindern nachgereist ist, geraten in die Fänge eines Dämons, der die Bevölkerung versteinert. Marnie und ihren Geschwistern bleibt nur die Chance, Aggies magisches Zepter des Merlin zu aktivieren und sammeln dafür Zutaten.

Marnie denkt, dass sie als älteste den Kampf alleine bestehen muss und stellt sich dem Dämon, der sich als Kalabar entpuppt, der die Herrschaft der Spukgestalten über die reale Welt herbeiführen möchte. Sie muss das Zepter in einen riesigen Kürbis stecken, versagt aber. Erst als ihre Großmutter, ihre Mutter, ihre Schwester, ihr Bruder und der Kobold Luke ihr helfen, wird Kalabar schließlich besiegt und aus der Stadt verjagt. Am Ende wird Marnie als Hexe unterrichtet.

Kritiken
Im Magazin Variety schrieb die Kritikerin Laura Fries "Was diesen originellen Film vom üblichen Halloween-Rummel unterscheidet, ist, dass es den Geist eines Urlaubs für Kinder einfängt. Es ist süß und macht Spaß, aber zu viel könnte definitiv Bauchschmerzen verursachen." ("What separates this original pic from the usual Halloween fare is that it captures the spirit of a holiday designed for kids. It's sweet and fun, but too much could definitely give you a stomach ache.")

Felix Vasquez beschrieb den Film auf Cinema Crazed: "Scharfe Leistungen, ein unterhaltsames Drehbuch und ein großartiges Gefühl von Laune - "Halloweentown" ist ein großartiges Freudenfest des Feiertags". ("Sharp performances, entertaining writing, and a gorgeous sense of whimsy, "Halloweentown" is a great celebration of the holiday.")

Filmdienst bezeichnete den Film als "ereignisreiches Fantasie-Märchen", das "mit guten Darstellern und einer witzigen Story unbeschwert" unterhalte.

TV Spielfilm beschrieb den Film als "zu brav, um zu verzaubern.".

Auszeichnungen
Kimberly J. Brown wurde im Jahr 1999 für den Young Artist Award nominiert. Phillip Van Dyke wurde 1999 für den YoungStar Award nominiert.

Hintergründe
Der Film wurde in St.Helens und in einigen anderen Orten in Oregon gedreht.

Der Film war eine Eigenproduktion des US-amerikanischen Disney Channels und wurde am 17. oder 22. Oktober 1998 erstmals im Disney Channel ausgestrahlt.

Fortsetzungen
 2001: Halloweentown II
 2004: Halloweentown III: Halloweentown Highschool
 2006: Halloweentown IV – Das Hexencollege

Weblinks

Einzelnachweise

Filmtitel 1998
US-amerikanischer Film
Filmkomödie
Fernsehfilm
Filmreihe
Disney Channel
Halloween
Hexerei im Film
Fantasyfilm

redpajama_set_name: RedPajamaWikipedia


Christmas with a Prince - an UPtv Christmas Movie Premiere!
Everyone deserves a fairytale ending! Pick up CHRISTMAS WITH A PRINCE, the movie based on the book ST. PIRAN'S: PRINCE ON THE CHILDREN'S WARD by at today!
Christmas with a prince is such a great Christmas movie !
This season don't miss instructor + alumni actor new film 'Christmas With A Prince'! The film premieres TOMORROW December 9th in the  on at 7pm and in  on at 8pm.
The holidays are just around the corner and so is CHRISTMAS WITH A PRINCE, the movie based on the book ST. PIRAN'S: PRINCE ON THE CHILDREN'S WARD by ! Available on UP TV in the US and Super Channel Canada December 9th!
We are going to be this happy on Sunday when #ChristmasWithAPrince airs on @schearthome at 8 pm and @up_tv at 7 pm.


My good friend and critique partner Stephanie Mooney has been on a creative kick lately, which includes a beautiful revival of her Instagram account. I adore her aesthetic, and I am inspired by her renewed energy.
This past weekend I visited a long-time friend who now lives in Eugene, Oregon. We checked out the building where she works (on campus at the University of Oregon) and then took in their art museum. It was a low-key and refreshing trip* — and so lovely to reconnect in person.
*Until the last day, when I was supposed to return home, and instead woke to over 8 inches of snow, which the city of Eugene was wholly unprepared for. Long story short, after half a day of flight delays, cancellations, and reroutings, I managed to hitch a ride with a stranger to the Portland airport and then catch a red eye through Atlanta. Not ideal, but I did eventually make it home.
I had intended to post this in January, as a way of looking forward. But time sneaks by, and here we are, knocking on March's door.
Sometimes you wonder where the days and hours have gone. But in this case, I know exactly where. They've gone to Elmo, and flashcards, and Old MacDonald's farm, and bubbles, and cutting up more fruit than I can fathom.
I'm happy to give that time to my daughter, but it does mean less time for myself, for my own pursuits. Since I can't make more time, I have to make more of the time that I do have. Which has never been my strong suit, but I'm trying.
Democracy was always intended to be a dynamic process fueled by active civic engagement. Perhaps the one optimistic take on this godforsaken year is that we've begun to recall that the American project is not a historical accomplishment to be celebrated but instead an ongoing process of figuring out how we ought to live together.
Politics is not something separate that only certain people do, closed off in some room somewhere. It is not miraculously vacuum-sealed off from our day-to-day routines. "Politics" impacts everything… We must come to understand participatory democracy as something that is seamlessly integrated into our daily existence, rather than distinct from it. We have to figure out how to enjoy our lives and be invested in politics.
I'm still calling, still donating. I've spent so much time feeling sad and angry about the latest headlines, the latest horrors — but I refuse to feel hopeless. "Politics" is a process. It's never over. We can always nudge things in a better direction. That's what democracy is all about.
2017 was a year of shock and coping. I think 2018 will be a year of renewed strength, and of quiet but powerful progress.
Last week, Andy treated us to a vacation in Lisbon. (Thanks to the crazy miles he accrued from work travel!) As much as we missed IB, it was nice to travel like we used to, walking everywhere endlessly, unencumbered by snacks and diapers.
Lisbon is lovely. Quieter and easier-going than some of its flashier friends (Paris, London, Barcelona) but with similar grace, intelligence, and beauty. We lucked into the most perfect weather — sunny and 60s every day — and we especially enjoyed the street art, the tiles, the pata negra, and the pastel de nata.
As I wrote in an email to my agent, 2017 was a letdown of my own making, from a writing standpoint. Despite having part-time childcare for much of the year, I didn't accomplish as much as I had hoped to. I'm not happy about that, but I'm not going to beat myself up about it either. Live and learn. Try and fail, and then try harder. Or smarter. Or both.
In reflecting upon last year, I've come to a few realizations. Much of these are not new, but I seem to need to learn them over and over again.
The more I write, the more I write. So it's better to have a small momentum than none at all. And it's better to work on something — anything — than nothing.
The real fear is that if I write too fast, what I'm writing won't be any good. But objectively I know that going slow doesn't guarantee quality anyway, especially not for something as large and unwieldy as a novel, which cannot be judged by individual lines or pages or even chapters, but rather must be evaluated as a whole. Which means that even the most beautiful day's work might be "bad" in the context of the rest of the book.
That's why my goal this year is to develop a habit of finishing. To push forward, rather than dawdling. To get to a point where I'm nurturing a whole forest, instead of obsessing over individual trees.
13 years of friendship, 11 years of love, 9 years of #grumblepup management, 2 years of marriage, 1 year of home ownership, and ~7 weeks until parenthood.


^ Simpfendorfer, C. 2005. Heterodontus portusjacksoni. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 22 November 2010.
^ Port Jackson Shark, Heterodontus portusjacksoni (Meyer, 1793) Australian Museum.
^ a b Biological profiles: PortJackson shark Florida Museum of Natural History Ichthyology Department.
Heterodontus portusjacksoni Froese, R. and D. Pauly. Editors. 2010.FishBase. World Wide Web electronic publication. www.fishbase.org, version (09/2010).


Beloved Patriots linebacker Tedy Bruschi will announce his retirement Monday morning during a 10:45 a.m. press conference, ending his against-all-odds career after 13 NFL seasons.
The development is not entirely unexpected – when he missed over a week's worth of training camp with no apparent injury, it seemed possible that he was being given time to assess whether he wanted to continue his pursuit of a 14th pro season.
It is also probable that Bill Belichick informed Bruschi that he would not be in New England's plans this season, leading to his decision to call it a career.
A third-round draft pick out of Arizona in 1996, where he became the NCAA's all-time sacks leader as an undersized defensive end, Bruschi made his bones in New England initially as a special-teams player – his 17 tackles for that unit as a rookie was third on the club.
This is pretty surprising. He'll be remembered as many fans' favorite player.


text:
function [timescale_out, padded_output] = ...
    pad_data(timescale, input_data, new_lengths, length_type)
% Pads data with zeros at the end, while extending the associated
% timescale.
%
% Example: [timescale_out, padded_output] = pad_data(timescale, input_data, new_length, length_type)

% The Assumption is that both timescale and input data are vectors or a
% cell of vectors.
if length(new_lengths) == 1
    data_start = 0;
data_end = new_lengths;
elseif length(new_lengths) == 2
    data_start = new_lengths(1);
    data_end = new_lengths(2);
else
    disp('Too many lengths to pad data with')
end

%% zero pad the time domain.
% This will improve the resolution of the frequency plots and better
% represent the shape of the response.
% This is adding true information as we know that there is no signal before
% the bunch arrives. However if we pad before, then the phase spins madly.
% We can pad afterwards as there is an implicit wrapping due to the finite
% extent of the FFT.
if strcmp(length_type,'points')
    % pad to a length of 2^N points.
    if iscell(input_data)
        for rn = 1:length(input_data) %number of sets.
            %             for dsi = 1:size(input_data{rn},2) % number of vectors
            %                 [ tmp(:,dsi), timescale_temp] = pad_vector(input_data{rn}(:,dsi), timescale, 'pos', new_length);
            %             end %for
            [padded_output{rn}, timescale_temp] = pad_vector(input_data{rn}, timescale, 'pos', new_length);
            %             padded_output{rn} = tmp;
            %             clear tmp
            % Use the timescale  of the first variable.
            if rn == 1
                timescale_out = timescale_temp;
            end %if
        end %for
    else
        %         for dsi = 1:size(input_data, 2) % number of vectors
        %             [ tmp(:,dsi), timescale_temp] = pad_vector(input_data(:,dsi), timescale, 'pos', new_length);
        %             % Use the timescale  of the first variable.
        %             if dsi == 1
        %                 timescale_out = timescale_temp;
        %             end %if
        %         end %for
        [padded_output, timescale_out] = pad_vector(input_data, timescale, 'pos', new_length);
        %         padded_output = tmp;
        %         clear tmp
    end %if

elseif strcmp(length_type,'time')
    % pad to a set length in time
    % first find out the length of the original time data.
    %     t_length_orig = length(timescale);
    % Find the step size (this should not change).
    time_stepsize = abs(timescale(2) - timescale(1));
    % Create a new timescale using the original stepsize but with the length specified.
    timescale_out = linspace(data_start, data_end, (data_end - data_start)/time_stepsize + 1)';
    offset = find(timescale_out < timescale(1),1, 'last')
    % Calculate how much the original datasets need to be extended
    %     ext_needed = length(timescale_out) - t_length_orig;
    % padding the time domain data
    if iscell(input_data)
        for hse = length(input_data):-1:1 %number of sets.
            padded_output{hse} = zeros(length(timescale_out), 1);
            padded_output{hse}(offset + 1:length(input_data{hse}, 1)) = input_data{hse};
        end %for
    else
        padded_output = zeros(length(timescale_out), 1);
        padded_output(offset + 1:length(input_data), 1) = input_data;
    end
end
end

redpajama_set_name: RedPajamaGithub


text:
tvOS 11 latest rumours – UK release date and features
It's the Apple TV's equivalent of iOS on the iPhone or macOS on the Mac; it manages the apps you can install on the device and offers various features of its own. Read on for all we know so far about tvOS 11, and a wishlist of our most highly desired features.
tvOS 11 release date rumours
tvOS 10 was released on 13 September 2016 alongside iOS 10 and watchOS 3, after releasing the tvOS golden master on 7 September following the iPhone 7 event. That means, if you have a compatible Apple TV (more on that below) you can update to tvOS 10 now. But what about 2017's tvOS 11?
We expected to see tvOS 11 make its first appearance at Apple's annual developer conference (WWDC) in June 2017, but Apple surprised us by giving tvOS only a brief mention, to announce that an Amazon Prime Video app is coming to the service some time later in 2017.
Instead, it quietly released a developer beta of the software immediately following the keynote without much fanfare, while also announcing that tvOS 11 would be getting a public beta "soon" – the first time it's released a public beta for a tvOS update.
tvOS 11 features
Now that Apple has launched a tvOS 11 beta, here are the features we know are on the way.
Better AirPod support
Here's one we know is coming as part of the update: soon AirPods will automatically pair with the Apple TV through iCloud, just as they already do with iPads and iPhones. That's a small update, but it's a nice quality of life improvement for users who've had to manually pair the headphones so far.
Amazon Prime support
This is another one Apple actually announced at WWDC: Apple TV is finally getting support for Amazon Prime Video, after lagging behind the competition for years. The app should be made available for tvOS users along with second- and third-generation Apple TV users later this year.
Home Screen Sync
This new feature will let you sync your apps and home screen across any Apple TV device connected to the same iCloud account – though both will need to be running tvOS 11 for it to work.
Automatic appearance switching
This optional feature sees Apple TV automatically switch between light and dark user interfaces depending on the time of day, to give you the most comfortable UI based on local light levels – even taking into account changing sunrise and sunset times during the year.
tvOS feature wishlist
We now know what new features are coming to tvOS later this year, but we can think of a few that are missing that we'd still like to see in the next update.
Online App Store
It's a small thing, but there's currently no easy way to check whether an app is available on the Apple TV, other than by looking on the App Store on the Apple TV itself.
The Apple TV is odd in this respect. You can search for iPad, iPhone and Apple Watch apps in iTunes on any Mac or PC, or through a browser – you don't need to search for them on the device itself (although, with the obvious exception of the watch, you can do so if you prefer). And while Mac apps are normally viewed through the Mac App Store app, it's also possible to browse the Mac App Store through a browser if you happen to be stranded temporarily on a Windows PC.
Admittedly most people now download apps directly to the device they'll be running on – the days of downloading an app to a Mac and then syncing it to an iPhone are gone, essentially – so a lot of app browsing will take place there too.
But what if you want to check through the latest Apple TV games in a break from work, or on your commute? What if you want to send a friend a direct link to a recommended app's page on the store? What if you're a hard-working games journalist who wants to offer readers a direct link?
There are unofficial options at the moment (such as App Sliced or 148Apps) but we'd like Apple to put the tvOS App Store online officially.
Better App Store categorisation
Talking of the App Store, better categories and sub-categories would make it a lot easier to find the apps we're looking for. You can look at games, for instance, but you don't then get an option to look at shooting games, or RPGs, or puzzle games, or whatever. The
There are significant changes coming to the App Store on iOS which include these features, so we hope it makes an appearance on the Apple TV too.
Chromecast support
Self-explanatory, this one. Apple TV doesn't support Chromecast – and we suspect never will – but we'd really love if it did.
3D Touch – or something approaching it
We love the remote that comes with the fourth-gen Apple TV, but it could do even more.
What we really want is 3D Touch, allowing app makers to build in shortcuts from the home screen: go straight to App Store search, for instance, or to select a TV channel within a streaming app with on tap. But 3D Touch would required a hardware upgrade to the remote.
As a stopgap compromise, perhaps app icon shortcuts could be enabled via long presses – the icon reshuffle function which is presently activated by long-pressing could be listed as the bottom option in the shortcut menu that pops up, if you've got this feature enabled – or double taps.
Simpler screensavers
The Apple TV's screensaver are lovely, but a bit confusing and restrictive. Go into screensaver settings and you get the option to download screensaver videos weekly, monthly or whatever (these take up 600MB each, so be cautious); what you don't get to do is select which video to download, or which of the videos you've downloaded to select as your screensaver (or put into a random shuffle).
If you want more control of the screensaver you can choose your own pictures, but we'd like to be able to carry on using Apple's lovely screensavers – with just a modicum more control.
Tags: tvOS
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Dish, fritware painted in blue slip with radiating foliate sprays. Deep well with a narrow rim sloping out at an angle and with a prominent foot-ring. In the middle is painted a rosette with alternate streak and arrow-shaped petals. Round this is a radiating frieze of chrysanthemums surrounded by feathery leaves and leaning towards the right. The rim is painted with a design of dots and curves on each side of a waving line. The back is unpainted.
Dish, fritware, painted in blue slip with radiating foliate sprays, (Turkey) Iznik, ca. 1575.


GIBRALTAR -- (PRESS RELEASE) -- Multi-Award winning gaming operator, 32Red, are delighted to announce the launch of a brand new television advert promoting 32Red Bingo. The advert, launched late in January, promotes the site's fantastic GBP 10 free welcome bonus offer.
Currently new players to 32Red Bingo will receive a completely free GBP 10 bingo bonus upon sign up, however that's not all - players will also receive a 100% bonus on their first deposit, meaning players can double their money for longer playing time and more chances to win. Unlike other bingo sites, 32Red also add a further 25% bingo bonus with every additional deposit players make.
The advert, being broadcast on a range of major television channels, features 32Red's West Country farmer, first featured in the company's trio of casino adverts, but this time he is joined by his wife in their cottage kitchen. The advert explains 32Red Bingo's welcome bonus offer and fantastic range of online games, but comically suggests that their bingo balls are provided by three hens expectantly laying into woven baskets!
"It seemed like a natural progression to use our farmer in our bingo advert, his gambling potatoes are good enough for our casino chips, so his wife's bingo-ball laying hens were obviously going to provide the quality that we needed for our Bingo room."
"We're dedicated to providing the best support for our players and have received numerous awards for the service we provide. To welcome players with GBP 10 completely free will hopefully give them a taste of what they can expect when playing at 32Red. Our ongoing commitment to adding 25% extra every time a player deposits is one of many ways players benefit from choosing our site."
32Red Bingo releases new TV spot is republished from Online.CasinoCity.com.


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text:
India Places Cartosat-3 Into Orbit, ISRO Records 310 Foreign Satellite Launch-mark
in Headlines
by Ashutosh Kumar November 28, 2019, 12:30 pm
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ISRO, by successfully demonstrating its unique and cost-effective technologies, has gained a place among the elite space agencies in the world over the years. The first Indian satellite, Aryabhata, was built by the ISRO and launched with the help of the Soviet Union on April 19, 1975. Since then ISRO has never taken its step back, in fact, it has come so far that it is now being counted in one of the best space agencies.
Image: Source
India on Wednesday successfully placed into orbit its own earth observation satellite – Cartosat-3 – and 13 American nanosatellites in a textbook style.
In the process, India crossed the milestone of putting into orbit 300 foreign satellites. By putting the 13 American nanosatellites into orbit, India to date has launched a total of 310 foreign satellites for a fee. Meanwhile, Cartosat-3, India's new earth observation satellite up in the sky will send sharp clarity images for urban planning, rural resource and infrastructure development, coastal land use and land cover and also for strategic/defense purposes.
The Indian space agency officials said they would supply the required images for various agencies. It is for the user agent to decide on the image use.
The images captured by the satellite can also be used for surveillance purposes while ISRO is silent on this aspect.
The satellite's payload has the capability of taking sharp pictures with a ground resolution of 0.25 meter in Panchromatic and 1metre ground resolution or ground sample distance (GSD) in 4 Band Multispectral modes with a swath of 16 km, said ISRO.
The Indian space agency also said Cartosat-3 has many new technologies/elements like highly agile structural platform, payload platform, higher rate data handling, and transmission systems, advanced onboard computer and new power electronics, dual gimbal antenna, and others.
"Extremely happy to declare PSLV-C47 precisely injected Cartosat-3 and 13 customer satellites in their desired orbit. Cartosat-3 is India's highest resolution civilian spacecraft that ISRO has built so far," ISRO Chairman K. Sivan said.
He said ISRO has planned 13 missions during this fiscal – six launch vehicle missions and 7 satellite missions before March 2020. At about 9.28 a.m. the rocket Polar Satellite Launch Vehicle-XL (PSLV-XL) standing around 44.4 meters tall and weighing about 320 tons with a one-way ticket hurtled itself towards the skies ferrying Cartosat-3.
Sharing the ride with Cartosat-3 were 13 nanosatellites from the USA for an undisclosed fee to be paid to NewSpace India Ltd – the new commercial arm of ISRO.
With the fierce orange flame at its tail further brightening up the morning skies, the rocket slowly gathered speed and went up and up enthralling the people at the rocket port while the rocket's engine noise like a rolling thunder adding to the thrill.
About 17 minutes into the flight the rocket ejected Cartosat-3 into an orbit of 509 km at an inclination of 97.5 degrees.
Soon after, the first of the American nanosatellites was put into orbit. The final nanosatellite was ejected into its intended orbit at about 27 minutes from the rocket's lift-off.
According to ISRO, 12 of the US nanosatellites are named FLOCK-4P are earth observation satellites and the 13th is called MESHBED, a communication testbed satellite.
The PSLV-XL is a four-stage/engine expendable rocket powered by solid and liquid fuels alternatively. The rocket has six strap-on booster motors to give additional thrust during the initial flight stages.
The launch success comes as a soothing agent for ISRO after its high profile moon lander Vikram crashed into the lunar surface on September 7, 2019. (IANS)
ISRO is setting benchmarks for all other space agencies, from the success of the Mars Orbiter Mission made India only the fourth country in the world to reach the Martian orbit. ISRO has many other records PSLV-C37 Successfully Launches 104 Satellites in a Single Flight.
Written by Ashutosh Kumar
He studied software engineering but wanted to be a writer since born. So, he followed his passion and ended up being a reporter for PoopBite. He has a very deep-seated interest in all current affairs topics whatsoever. He is also a passionate photographer.
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A powerhouse performance by the Miró Quartet. opened Chamber Music Cincinnati's 2013-2014 season and the 2013 Constella Festival Tuesday night in Werner Recital Hall at the University of Cincinnati College-Conservatory of Music.
Joining first violinist Daniel Ching, violist John Largess and cellist Joshua Gindele was second violinist William Fedkenheuer, an addition to the quartet since 2011, when he succeeded former second violinist Sandy Yamamoto.
Quartet-in-residence at the Butler School of Music at the University of Texas in Austin, the much-honored ensemble brought their strength and perception to Beethoven's Quartet in B-flat Major, Op. 130 -- including the awe-inspiring Grosse Fuge (Op. 133) -- and to open the concert, Schubert's Quartettsatz in C Minor and Quartet No. 14 in D Minor, "Death and the Maiden."
The Beethoven was, in all respects, the highlight of the evening. (Ching jokingly thanked Chamber Music Cincinnati for allowing them to program it.) A finer performance could not have been wished. Known for their virile, high-energy playing, the Miró foursome captured Beethoven's late quartet in all its complexity and ambiguity. Opus 130 is a good-natured work, its six movements combining elements of the 18th-century divertimento with, in the Grosse Fuge finale, the most learned summation of contrapuntal writing (Beethoven was prevailed upon to provided a "simpler" alternative finale, but the trend today is to perform it as originally conceived).
The Miró's mettle was evident from the outset as they negotiated the sudden metrical and dynamic contrasts in the first movement. Ensemble was tight even as they went from piano to sudden forte, often in the space of a single bar. The second movement – a perhaps tongue-in-cheek, two-minute Presto -- came off in delightfully squirrely fashion.
The players found subtlety in the Andante con moto, whose contrary indications ("poco scherzoso," meaning "a little bit joking") only add to its charm. And they put a full measure of the latter in the "Alla danza tedesca" fourth movement, a German dance that had the musicians handing off bits of phrases at the end. The Cavatina fifth movement, a molto espressivo operatic aria sung by the first violin, was beautifully crafted. A movement that brought tears to Beethoven's eyes as he wrote it (and even in recollection), it has an aching moment marked "beklemmt" ("oppressed") where the violin whispers brokenly over the accompaniment. Ching gave this exquisite expression.
In many ways, the Schubertian half of the program seemed like a warm-up for the Beethoven (and an analogy can be drawn with Schubert's admiration for the late Beethoven). "Death and the Maiden" has been interpreted as the composer's essay on death, start to finish. It nevertheless seemed heavy-handed to this reviewer. The slow movement had many moments of beauty (Gindele's cello variation touched the heart) but the Scherzo was a bit over-rough, and the finale, though Presto, with a prestissimo coda, strained the bounds of optimal articulation.


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Monday, January 4, 2021 11:54:04 PM
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Rajuk plan to beautify posh area lake frustrates with cost overrun
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The Executive Committee of National Economic Council (ECNEC) had approved the project undertaken by Rajuk with an estimated cost of Tk 410 crore and it was supposed to end by June 2013. Rajuk has sought three more years for completing the project since it failed to make significant headway in executing the project in the last six years. Eventually, Rajuk would get the fifth extension in its implementation tenure and the time overrun would also escalate its cost tremendously.
The government took the project to protect the lake from illegal occupation, to reclaim and preserve the water retention capacity of the lake and save it from pollution as well as its beautification. Rajuk missed the deadline for failing to complete the land acquisition process. Rajuk faces a huge challenge to complete the task as a powerful quarter who grabbed lands in the project areas put obstacle of land acquisition. Besides, private landowners and organizations are also putting legal barriers on the way to acquire lands for the projects.
Under the project, aesthetic bridges like Hatirjheel and four overpasses will be constructed at nine places of the Lake. The implementation of the project will also bring about a major change in traffic management in Gulshan, Banani, Baridhara and Badda areas. The project will beautify the city, ease traffic congestion and bring liveability of city dwellers in the areas, however, cost overrun of the mega-project involves mega corruption for the sluggishness of implementers.
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text:
David Cameron Spoke To BuzzFeed News – Here's The Complete Transcript
The prime minister talked candidly about the election battle, his use of technology, and his vision for the country. (Oh, and Game of Thrones.)
Posted on March 16, 2015, 22:44 GMT
Jim Waterson
BuzzFeed News Reporter, UK
Thomas Alexander / BuzzFeed
BuzzFeed News: Good evening and welcome to the first ever BuzzFeed Brews in the UK. I'm Jim Waterson, the deputy editor of BuzzFeed UK, and I'm delighted to announce that in association with Facebook we've got the prime minister, David Cameron, here tonight.
David Cameron: Glad to be here.
So what we're going to do is to talk about the 50 days to go until the campaign. We just want to know what's going on, and in particular today we've got a story about the fact that Grant Shapps, who is running the campaign, has admitted that while he was an MP he was selling titles such as Stinking Rich 3. What do you make when you are talking to Grant about that? Don't you think it's a bit weird?
DC: Well, what's happened here is that Grant did have another job when he first became an MP, and he declared that on the Register of Members' Interests, which is what you're meant to do, but he obviously made a mistake by saying in some interviews that the work had stopped earlier than it had, but he put that right and I think we can put that behind me. He does a very good job, it's a very good campaign, we're getting a lot of people involved in this campaign, and it is an absolutely vital election for our country. It's a fork in the road and we're going to spend the next 50 days really talking about the issues.
When you are standing there at PMQs and talking across to Ed Miliband, who is a guy who's a similar age to you, he's got a similar sort of background, you say things like "the despicable Ed Miliband". Do you really think that is the sort of campaign that you want to be fighting?
DC: Well, Prime Minister's Questions is, I have to admit, a high-octane occasion. It can be pretty robust stuff on both sides, and he's thrown some, there are some pretty rough things at me. The point I was making is I think in not ruling out a deal or pact or support from the Scottish National party means the Labour party is effectively saying, "We're trying to ride to power on the back of a party that wants to break up our country," and I don't think that is acceptable. The SNP isn't just any old party, they are a party that thinks our country, the United Kingdom, shouldn't exist, and so I think it is despicable frankly not to say "There is no dealing with them that we're going to do", and he's not saying that and that's what I talked about in the House of Commons when we had that lively exchange.
Last time you ran a positive campaign and were talking about change. This time round you are going negative.
DC: No, I don't accept that at all. I think we are having the most positive possible campaign. We're saying that what we've done in Britain in the last five years has completely turned our economy round. We had the biggest budget deficit in Europe, we had really high unemployment, an economy that wasn't growing, and because of the positive things we've done we've now got the fastest-growing economy of the major economies in the Western world, we have created a thousand jobs every day we were in office, we've got the deficit down by half as a share of our economy, and our election message is: "Keep us on track and we will deliver really positive things for this country." It is a totally positive campaign about delivering security for individuals, for families, for our country; that's what it's about.
We've got the political speech.
DC: Well, you're going to hear it a lot more times in the next 50 days!
So why are you afraid to do that speech and talk to people in the debate format?
DC: I think we should have debates.
OK, what the current offer is, if it is held within the next 10 days with the six party leaders invited then you'll do it?
DC: Yes.
Well, we've got a fantastic venue here, you could come back in a week's time, we could invite the six other party leaders – how about it?
DC: Good, it sounds like a great idea. I've said we should have a multi-party debate before the campaign gets underway, and I'll tell you why I think that's important, I'll be very frank about it. I think debates are good, I think the broadcasters have wasted a lot of time not organising them because I said three years ago, "Let's have them before the campaign starts." Why? I'll tell you why. The last election we spent all the time in TV studios preparing for debates, analysing debates, conducting debates. We barely got round the country, we barely discussed the issues that people...
So if we came back here in a week's time with the other party leaders you'd be up for it?
DC: Yes, I'm up for a debate, I'm up for a multi-party debate. Whether it's you, whether it's another digital debate or it's the TV broadcasters, that matters less to me than having a multi-party debate before the campaign gets underway. Everyone has got to agree to it, but I have said very clearly, "A multi-party debate before the campaign, where do I sign?"
How much has the way of campaigning changed in the time that you've been leader? Right now there will be people on Twitter analysing every single thing you're saying, what you're wearing – they'll be poking fun of it in some cases.
DC: Surely not! I think it has changed massively, but what still matters is actually the substance of what's the right team to run the country, who's got the right ideas. There are lots of ways of communicating and we have got to make sure we use all of those, but the fundamentals of an election campaign, which is it's a choice between competing teams with competing ideas for the country, that's still the same.
So, no one apart from seemingly the Labour or Tory leaderships thinks there's going to be a majority government after May 7?
DC: I don't necessarily agree with that. There are some forecasters, there are some experts who say there could be majorities either way. I think one thing that hasn't changed in election campaigns is that journalists – even those on new media outlets –would rather talk about the process and what happens after the outcome than actually the choice and the policies.
So is there anyone on your team currently planning for the possibilities that come with a hung parliament?
DC: No, because for the next 50 days...
But that's completely preposterous! You've got 50 days to go and you aren't even considering what might happen after the event?
DC: Look, I've run a coalition government for the last five years. I think it's been a good and effective government, we have sorted out some of the most fundamental problems this country faces. People know that I will take the steps that are in the national interest but I think I am perfectly entitled as the leader of a political party to say that I will spend the next 50 days fighting for a majority government. We are only 23 seats short of a majority government. Look, if I fall short, if I don't make it, I'll come back on BuzzFeed, I promise, and I'll tell you what I'm going to do next, but for the next 50 days I'm not going to talk about the what-ifs and the wherefores and the what might happen, I'm going to fight really hard for a majority government.
But isn't that essentially deceiving the public by pretending that something is going to happen when there is almost no chance of it happening?
DC: I don't accept that. I've got to win 23 more seats to get a majority. I have a very effective team of MPs campaigning very hard, asking to be re-elected on the basis of the work they've done, and I've got to win 23 more seats to get a majority. Now I think I am perfectly entitled to spend 50 days arguing why that's good, why a Conservative majority government would be better than coalition, and I think actually if we are talking about people getting a fair choice, my argument is that if you elect a majority government you have got a manifesto, you can hold us to our promises. If we get another coalition, deals have to get done inevitably behind closed doors and people don't get exactly what they voted for, and I think people are ready for a majority government: They like the decisiveness, they like the accountability, and I'm going to fight for that pretty hard.
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So we asked our readers on Facebook, they are people mainly aged 18 to 34, and one of the issues that comes back again and again was housing, and that they don't feel they will either ever be able to afford rents that are going up or ever be able to afford anything to buy. Do you recognise there is a housing crisis going on in this country?
DC: Yes, there is, we're not building enough houses. Basically, every decade since the 1960s we've built less houses and we need to do better. Now we're making some quite big steps. We have totally reformed the planning system and we got rid of thousands of pages. There is now a 50-page planning framework. We are building more houses this year than last year and the year before. The Help to Buy programme, which has helped many young people, 88,000 young people into…
That is dealing with boosting demand for housing.
DC: It's not, with respect I really think that's wrong. I talk to the housebuilders, I go out and look at the sites where they are building these houses, and they tell me Help to Buy is actually making them build out faster. They're building more flats, they're building more houses for the very simple reason that the builders won't build the houses if the buyers can't buy them, and lots of people watching this either here or at home will be very familiar with the problem. They've got a decent job, they've got a decent salary, with their partner, husband, or wife, they could probably afford the mortgage payments but they couldn't get the deposit together, so what Help to Buy does is to loan them the 5 or 10% deposit rather than the 30% deposit that the banks were saying they need.
Aren't there winners and losers in this? When you see those headlines on the front pages, that house prices are going up and up and up, do you think that's a good thing or a bad thing?
DC: I don't want house prices to accelerate out of control. What I want to see is responsible levels of house prices and to make sure they are under control. What the Bank of England have said, and they are as it were the arbiter of this, they've said that Help to Buy has not caused irresponsible house price inflation. They've been very clear about that because Help to Buy is leading to more housebuilding taking place. Now the next thing we're going to do is build starter homes for sale…
But starter homes can be worth up to £450,000 in London, I mean that is an enormous amount.
DC: Well, the average house price in London is £500,000, so around the rest of the country these house prices… These will be built for 80% of the market value, so they are reserved for people under the age of 40. They can't be bought by buy-to-let landlords, they can't be bought by property investors, they can only be bought by people under the age of 40 who want a home of their own, and so being able to build flats for £100,000 or more, houses for under £200,000 that young people can buy is a really good policy.
What is an affordable home then?
DC: Well, an affordable home to me, it sounds like a tautology, an affordable home is someone who works hard, has got a reasonable job, a reasonable income – it's a home that they can afford to buy.
DC: Well, it depends where you live, it depends what your salary is. I think of my constituency in West Oxfordshire – I know what people have to earn to be able to get say a flat for £150–160,000 and the truth of the matter is you won't get more affordable housing unless you build more homes, we need to build more homes and that's what starter homes, that's what Help to Buy, that's what the planning reform is all about. I don't want to be a country where the age of the typical homeowner is getting older and older, which has been happening in recent years, and where home ownership has been in decline. I want the reverse of that.
There is an issue, there is the theory that during the last five years, wages for young people have gone down in real terms, pensioner benefits such as pensions, TV licences, bus passes keep going up and up and are protected. Whose side are you on in this debate?
DC: I'm on the side of all of the British people young and old.
So why is it always the pensioners that keep benefiting?
DC: I don't think that's right at all. First of all I would argue that most young people want to make sure that their grandparents have a comfortable retirement. When you are a pensioner you can't change your circumstances, you can't suddenly dart back to work and adjust your life, so there are people in our country who have the dignity and security of retirement in old age, so we have the triple lock on the pension. It always goes up by earnings, prices, or 2.5%, and the pension will be £145, £146 a week. I think that's what our pensioners deserve and I think young people watching this would say "That's what I want for my grandfather or grandmother" and that's why we have protected pensioner benefits. Now for young people the most important thing is a job, and we have created a thousand jobs every day we've been in office and it is simply not true to say they are all part-time jobs or low-paid jobs or zero-hours contracts, that is not true. Zero-hours contracts are 2% of jobs in our country and that is 1 in 50, and so you've got many people who are now able to get a decent, well-paid job, and of course we have cut people's taxes because you don't pay tax until you start earning over £10,000 in Britain.
Earlier this year you talked about how you didn't want to have any encrypted messaging service that the security services couldn't access.
DC: I didn't actually say that. Should I actually explain what I said…
Those were the words you used.
DC: They were not the words I used, I'll tell you exactly what I said, and I'm going to take a bit of time over this if you'll forgive me because when you are prime minister your first responsibility is the nation's security and trying to combat the terrorism that we face.
Now in this country as in many other countries there has always been the ability, if the home secretary signs a legal warrant, to intercept your communications. So that used to be steaming open a letter between terrorists and reading it, it used to be being able to listen to a fixed-line phone call or a mobile phone call. The point I was making is we shouldn't sit back and just say it's OK for there to be certain unregulated spaces on the internet where terrorists can talk to each other, we should be working with the companies – hang on, hang on – to try and make sure that we can, in extremis with the signature of the home secretary on the warrant, try to find out what those communications are. Now I think that is sensible, I think it is reasonable, I think the overwhelming majority of the British people will say, "Yes of course, I don't want them routinely reading my emails or listening to my calls, but if there is a suspicion of terrorist activity I want the government to be able to keep this country safe."
So you're not a WhatsApp or Snapchat user yourself?
DC: I am not a Snapchat user myself, no. The thing about any of these technologies is that you should be having a conversation with them to try and make sure there is not a safe space for terrorists to communicate with each other, because if there is then we are going to be at greater risk.
You once said, forgive my language, "Too many tweets make a twat." Is that still your view?
DC: When I said that, and it was not particularly advisable at the time I said that, the point I was making is that politicians, we are judged by what we say and we should always try and think carefully before we say something, and the danger with Twitter is that you just loose off your opinion, often late at night.
Do you tweet yourself?
DC: I have a Twitter account and I tweet but I don't actually…
Have you seen the sort of things that people say about you on it?
DC: I have a little bit, yes.
DC: Well, you have got to take the rough with the smooth with this job! But the point I was making about "Too many tweets..." is you have got to think before you speak in politics, and there is a danger with Twitter, and I think it has been borne out by events, I mean some people have got themselves into the most unbelievable trouble by tweeting a picture or some words without thinking first what they're doing.
So do you have a personal email address that you use outside of work?
Do you ever worry about the security risks of it?
DC: Yes, yes I do. I think you have to be very alert to all these things but if you refer back to the earlier conversation, I use Gmail and things like that, I have used email accounts for friends and stuff, but I have a government… I have an iPhone which is mostly for family and friends, and I have a BlackBerry which I use for work. A BlackBerry is very good for email.
You must be the last person using a BlackBerry!
DC: Well, the government has a sort of BlackBerry service, and they are very good for emails actually, good for emails and documents.
And one of the filter things that you brought in while prime minister is this requirement that when you sign up for a new internet service nowadays you have to opt in for certain corners on the internet involving certain material…
DC: Yes, that's good.
Have you opted in at Downing Street?
DC: Now when you set up your account the filter is automatically on and we confirm they should be automatically on. I've got three children of primary-school age and they find out the code on your iPad pretty quickly, and it is reassuring to know… I think the government has done some very good things on this. I think actually having filters switched on is good, and going back to the other conversation, what we've managed to achieve with the internet companies and stopping child abuse online has been genuinely groundbreaking. They said to us originally, "You cannot do anything about this, you can't have search terms that don't return results," and we said, "You have got to be able to do that, how can you have people searching on the internet for disgusting illegal acts and return searches?" To start with they said, "That's free speech," and we said, "No, you can't..." Now, to be fair to them, Google and others have banned 40,000 search terms, not just in Britain but around the world and that is restricting child pornography and child abuse online, and that is a really good thing.
So, one issue some of the parents in the office brought up: Do you let your children have mobile phones with unfettered access to the internet?
DC: No, I don't. My daughter has got an iTouch but everything is quite strictly controlled in terms of screen time. We have filters on and I think for things like my iPad that I've got in Downing Street, but this is a conversation that every parent in the country is having with their children, what age should they be when they can have a Facebook account or when they can have unfettered access to a mobile phone. We have got an 11-year-old, a 9-year-old, and a 4-year-old, so we're not at that stage yet.
Talking of families, in east London three girls go off from Bethnal Green, go off to join apparently ISIS in Syria. Do you think they are criminals or victims?
DC: I think they are deeply misguided and are potentially going to join a criminal organisation which could make them part of a criminal or terrorist conspiracy.
Should we welcome them back then?
DC: Well, we want to get them back and try to get this radical nonsense out of their heads. It is unbelievably depressing that in our country, which is a brilliant free country with a free press, the rule of law, democracy, great opportunity, that people from an outstanding school in Greenwich can opt to go and join a death cult in Syria that believes in throwing gay people off buildings and cutting people's heads off in the desert is deeply depressing and we should be pretty worried about this as a country and do everything we can, not just stopping people from going but also to stand up for the values that we build in our country, where actually our system is so much better than this appalling death cult in Syria and Iraq.
The boys who went out there and were stopped that was on the news today, should we welcome them back? I mean, they've been arrested and put on bail whereas we're telling the three girls who went out there, they'd be welcomed back.
DC: Look, when people have been trying to travel to this country to take part in ISIS which is reportedly, allegedly what these boys were doing, they were effectively taking part in a criminal terrorist conspiracy, so when they come back it is right that they are arrested and questioned and all the rest of it, but if you are asking me is the only response a criminal justice one, of course not. You have got to have deradicalisation programmes, you have got to have programmes to try and turn people away from this stuff, but at the tougher end you have got to say yes, we've got to be able if necessary to try people, convict them, and send them to prison.
Today we've seen Vladimir Putin pop back up. Do you think it would be better if he had just gone away in some form? Would you prefer to see a regime change in Russia, do you think that would be good?
DC: Look, you have to deal with what you've got. There is no contradiction in having a relationship with Putin where you can discuss these things but also taking a very tough approach to sanctions in the Ukraine as we've done. You don't have to be a brilliant historian to know that in Europe, messing with countries' borders, messing with their self-determination, their ability to choose their own futures, this is extremely dangerous and that's why I think it is important to stand up to Putin. We have these tough sanctions because it's Ukraine today, it could be one of the Baltic states tomorrow, and other countries in the future.
You are not putting boots on the ground. You are not willing to even threaten Putin with any military action.
DC: I don't think there is a military solution but there is an economic one, which is broadly speaking the European Union and America together are economically hugely powerful. Russia needs us more than we need Russia and so we should make the power of our economic relationship play here and say, "Look, if Russia wants to be part of the 21st-century world where we respect other countries' boundaries, fine, we can have a full on trading and diplomatic relationship." If Russia is trying to opt out of part of the 21st century so that they destabilise Ukraine, then they shouldn't expect the other benefits of being part of the 21st century in terms of free trade and exchange of information and ideas and all the rest of it.
You are coming to the end of a five-year term where you could end your time as prime minister in around 50 days' time.
DC: Thank you for reminding me.
Do you think you have presided over the death of two-party politics in your time in power?
DC: I don't think we had two-party politics at the start – we had a third party that was on a pretty sizable share of the vote. We have had a sort of two-and-a-half-party system for a while in Britain. We are about to see in this election whether these other parties, what these other parties amount to. I think there is a pretty clear choice as we get close to the election that there is one party and that party can deliver strong, competent, capable government, and I think when you look at the other parties there is a huge amount of risk there – what is the price that the SNP or UKIP or Liberals or Greens would extract from a Labour government – so I think there is a very clear choice and we'll see on election night just how strong those two parties are and what else happens.
And is there one issue that you really feel that in that five-year term you wish you had dealt with more decisively than you have?
DC: There are lots of things I would like to have done even more, but I think this government came into being at a time of economic crisis and that was the task and the task was get the economy moving, get the deficit down, get the country back to work. That was the job and all the other things, things like reforming our schools, reforming our welfare system, I am proud of what we've done but the key task was fix the economy.
One thing that you did get through was same-sex marriage. Now, some of our readers have been in touch and they see the next banner ground being trans rights and doing more for people in that situation. What do you think the government can do to help? Do we need to take a bolder stance on trans rights?
DC: I think we need to look at what the issues are and the specific issues of discrimination and the problems that trans people have, I think that's important. I think one of the most important things is what happens in our schools and combating bullying in our schools, particularly homophobic, biphobic, and other forms of bullying in our schools. That was one of the reasons I become so convinced about gay marriage. I think it is only when a society says that marriage is there for everybody whether you're straight or gay, it's a great institution, I'm a big believer in marriage, if we can make that point and ending this idea that it is fair to criticise people or do down people because of their sexuality.
You have always struggled to get more women on to your frontbench.
DC: We're getting there.
Do you think it would be good to say that if the Conservatives win the next election that by 2020 you would have 50/50 female/male cabinet ministers?
DC: I think 50/50…
Ed Miliband has managed it, Nicola Sturgeon has managed it.
DC: What I said last time is I wanted a third of ministers in a Conservative government to be women, and in Conservative cabinet ministers we are now right up there at over 30%. We have the Liberal Democrats in government with us and they have fewer women ministers and MPs than we do, but I think 50% would be difficult to get to by 2020 but if you look at the candidates we're selecting, including candidates in replacement seats, Conservative-held seats, I think over 33% are women candidates. When I became leader there were 17 women MPs, and I think there were about 50 last time. We are going to see another increase at the next election.
One of the women who was promoted was Nicky Morgan, and you essentially had to sack Michael Gove, who has been one of your longest allies. What is it like when you have to do that?
DC: I didn't sack Michael Gove, what I did is… I don't think people understand but if you are a party leader or prime minister, one of the most important people in your life, let alone your job, is your chief whip and I asked Michael to do a job that I knew he'd do really well, which was to be chief whip, and that's the job he is doing extremely well. Look, the education reforms that Michael Gove put in place, the Academy schools, the free schools, the high standards of discipline, setting really high standards of exams and GCSEs, all of those continue. There has been no watering down of the agenda that Michael Gove and I worked on during the years of opposition.
So what sort of campaign is this going to be? How on earth are you going to stop this becoming you just repeating the words "long-term economic plan" endlessly at a series of events?
DC: I'm not sure I've said it? Have I said "long-term economic plan"? There we are, I've said it now. Look, this plan is not some dry and dusty words on a page…
But that is what some of your frontbench spokesmen have been saying to the press – they are bored of this rigid message discipline.
DC: The point is that what it's about is securing someone a job, saying you can keep more of your money to spend as you choose, to be able to own the house that you dream of, have a good school place for your child, having dignity in retirement. It is basically being able to live a good life in this country, make a success of your life in this country. That's why I go back to the economy because if you don't have a strong economy you don't have a strong health service, you don't have good schools, you don't have a strong society; it's the core to all the other things we want to achieve as a country, and if that's boring, I plead guilty.
So I think just towards the end we can go through a few quickfire things just to get your instant reaction. So the big political question at the moment: In your family home, how many kitchens do you have?
DC: In our home we actually had to extend into the basement and we put in an extra kitchen, but that was because I had a very disabled son, Ivan, and his carers were there and they looked after him a lot and so we did that for them as well as for him. But the point is not whether you've got two kitchens, but whether you have a photo call in one of them and pretend it's your kitchen – that's the issue, isn't it?
And you're a Game of Thrones fan. Which character do you feel you are most like?
DC: That is an impossible question to answer. Ned Stark, I love Sean Bean, I was a big fan of Sharpe and if you have – switch off now if you haven't finished series one – but I couldn't believe they would get a star as big as that and... Let's put it this way, he doesn't make it all the way through.
Nick Clegg or Ed Miliband?
DC: Nick Clegg.
OK, Ed Miliband or David Miliband?
DC: I don't really know either of them that well. I'm hoping to form a government without either of them.
Do you ever sneak out of Downing Street in the evening and try and lose your security detail and for once try and feel a little bit free?
DC: No, because they are trained killers and they'll catch up with me pretty fast.
Your favourite current Aston Villa player?
DC: I'll go for Benteke because he's been so valuable the last few years.
When did you last have dinner with a Conservative party donor?
DC: Probably about a week ago. I do a lot of fundraising and I'm not ashamed of that because we don't have a system of taking taxpayers' money and spending it on party campaigns. We have to go out and raise the money, and I don't have the trade unions who give Labour about £40 million a year, we have to raise every penny, so yes, I do go out and raise money from people who feel the country will be better off with the Conservatives.
And what would you be doing if you were not prime minister? What is the one thing you would move on and do?
DC: I'm not going to think about that because I've got 50 days to fight a vital election, I want to win the election. I think this government is doing some good things for this country, and I want to keep on doing that. If the country's choice is to turf me out and go for the other guy I'll have to think of something else, but I hope I'll still be a member of parliament. I love serving my constituents, I love politics, I love public service, I think it's what I care about, it's a vocation for me, and so in the unhappy event I'm not prime minister on May 8, the people of West Oxfordshire I hope will stick with me and I'll stick with them.
Thank you very much, prime minister.
DC: Thank you. Was that half an hour? It whizzed by.
Want more politics news? Follow BuzzFeed UK Politics on Facebook
Jim Waterson is a politics editor for BuzzFeed News and is based in London.
Contact Jim Waterson at jim.waterson@buzzfeed.com.


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These smart transportation objectives can be better achieved by AI
Source: William Pao (Sponsored by LILIN)
Related tags: LILIN, AI, Smart transportation
More and more, municipal officials are turning to technology to tackle transportation issues. In this regard, AI combined with video surveillance can play a critical role.
Today, cities are faced with a range of transportation issues, from accidents to congestion to traffic violations. More and more, municipal officials are turning to technology to tackle these issues. In this regard, AI combined with video surveillance can play a critical role.
With more people living in cities, transportation issues inevitably arise. Common transportation problems include congestion, which may be due to weather, accidents, road work, or simply a lack of proper traffic management and control – for example, a red light that remains too long even as traffic begins to emerge will likely lead to congestion.
Another source of headaches for city officials is traffic violations. This can be in the form of vehicles parking illegally, making illegal left or right turns, speeding and running red lights. Without proper enforcement, these violations can lead to danger for drivers and pedestrians alike.
Steve Hu, CIO, LILIN
How AI makes transportation smarter
Increasingly, for smart transportation purposes, end-users are turning to video surveillance combined with AI, which provides a more viable and cost-effective solution than conventional ground sensors or inductive loops. Serving as the eyes and brain of the road network, cameras and AI can help end-users achieve the following traffic management and law enforcement objectives:
Congestion relief: AI can detect high traffic flow at certain junctions and alert authorities accordingly. Using LILIN's AI, AIDA, as an example, Steve Hu, CIO of LILIN, said: "Congestion relief can be done by AIDA's queuing detection for up to four lanes. Once the traffic lanes get queued up, this data can be received by LILIN Navigator Control Center. The traffic lights control can be guided by the statistics for relieving traffic congestion."
AIDA can accurately monitor traffic flow even when
the field of view is wide. Source: LILIN
Traffic flow monitoring: The end-user needs to base traffic control decisions on detailed reports – for example, the number and types of vehicles passing through a four-way intersection. AIDA can deliver these types of information and recognize vehicle types such as motorbikes, cars, buses, trains, trucks, containers, vans, SUVs and people, Hu said.
Speed monitoring: Based on LILIN's social distancing algorithm developed for the pandemic, AIDA's speed detection can calculate the estimated speed of vehicles in a particular road section. "With this information, authorities can deploy the necessary tools, for example setting speed detection cameras in areas where speeding is serious," Hu said.
AIDA can instantly detect illegal parking and issue alerts.
Source: LILIN
Illegal parking detection: LILIN's AIDA can detect vehicles illegally parked at certain places (for example red curbs or a car parked at a bus stop). Once an illegal parking event gets detected, a snapshot and video can be taken for law enforcement.
Illegal entry into roadway detection: Certain roads or highways are off-limits to trucks or motorcycles. AIDA can recognize vehicle types and detect vehicles that are not supposed to be on the road.
Running red light detection: AIDA can detect red lights and determine if a vehicle runs over a tripwire at the red light. Once this is detected, snapshots and videos are taken.
AIDA can capture vehicles making illegal left/right turns.
Illegal turn detection: AIDA detects vehicles that aren't supposed to make left/right turns at certain intersections. Once an Illegal turn event is detected, a snapshot can be taken for law enforcement.
The above solutions can be found in different projects in the world, including actual deployment in Kaohsiung, pre-installation in Italy and as proof-of-concept in California, Hu said, adding beyond traffic management and law enforcement, AIDA also has the following applications: parking lot access control, ANPR-based license plate registration fee collection and ANPR-based searches for missing children.
According to Hu, LILIN's AIDA stands out in the following ways. First, AIDA can work accurately even with a wide field of view. This then saves time and cost for the end-user who can set up just one pole and one camera at an intersection. Further, AIDA is LILIN's own development, from AI training to inferencing and from edge AI to system. "This is quite unique than the products in the market. The key is that LILIN is able to provide AI dataset training and system integration to meet customers' expectations," Hu said.
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