Programming Languages Used To Develop Some Popular Webpage And Software.

Programming Language And Code Used To Develop Some Popular Application


Google search 

Backrub ( Google's first in carnation) was written in java and python now Google front end is written in C and C++  and its famous crawlers (spyders) were written in python . However the crawler kept crashing and indexes got stale with old information, therefore Google developed a new crawler (capable of incremnetal index updates) written in C++



Google Chrome 

Google chrome is written in C++, Assembly and python 



Adobe 

All Adobe products (photoshop acrobat illustrator etc) are written  in C/C++ and embed  JavaScript ( Adobe call their implementation action script) and then the UI etc are written in JavaScript 



Microsoft

Microsoft products (word,Excel, PowerPoint,etc )are written in C/C++ embed a UB engine and the UI  are written in UB .
Microsoft Windows 10 OS is written in C++ while its kernel is written in C



Apple 

Apple Mac os X is written in objective C while its kernel is also written in C. The IO PnP subsystem in Mac os X uses embedded C++ 



Linux

Most of Linux is written in C Programming language. Most apps are written. In python, KDE is all C++ all linux code kernel use Assembly Code as well



Auto CAD 

The first relaese of AutoCad is purely written in C and some parts in assembly . The current version is fully written in C++ . The popular Auto CAD wrappers are written in auto Lisp, Visual lisp, VBA, .net and JavaScript



YouTube

YouTube was intially written in PHP but they switched to python very early in their history. They  stuck with python all way  until they were acquired by Google.



Facebook

Most of the blue UI front end that we see today on Facebook is written in PHP much of it is written using XHP and the runtime is hip hop for PHP . Facebook also uses alot of JavaScript and Erlang




Dropbox

The world's most popular cloud storage app uses python as its main programming language.





Quora

The creators of Quora , who used to work in Facebook chose python becase it's expressive and quick to write liveable one of the internal system that manage the display of content on the webpage is partly written in Python




Reddit 

Reddit one of the biggest communities of the web and it's registered users people like you provide  recontent . Originally it is written in commom Lisp ,  was rewritten in python in 2005 to gain greater development flexibility and access to python plethora of code libraries









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