No, C&#x2F;C++ is still very commonly used in many real time systems, embedded systems etc.  But, since most of the topics in HN are in the web&#x2F;android&#x2F;ios areas, you might not see many devs talking about it here.  C&#x2F;C++ (esp on linux&#x2F;RTOS) still has a very active user base and market demand !