Worrying about RAM usage and Downloading Compiler?
So Let me explain why Online Compiler?
Suppose you are running very poor configuration PC and want to have those compiler which are expensive to memory and RAM but Some Compilers are easy to install and use.
So the solution is to compile the code online and run it and download the executable to your computer by using an online IDE.
The Best Online Compiler are:-
Ideone is an online compiler and debugging tool which allows you to compile source code and execute it online in more than 60 programming languages. This allow you to run C, C++, C#, Objective C, Java, Pascal, Perl, PHP, Ada, COBOL, FORTRAN, Bash(Bash is a shell used in Linux) etc.
Codepad is an online compiler/interpreter, and a simple collaboration tool. Paste your code and codepad will run your code and also give you URL you can use to share it. You can share or email to someone. This allow you to run C,C++,D,haskell,Lua,Ocaml,PHP,Perl,Plain Text,Python,Ruby,Scheme,Tcl etc.
In onlinecompiler.net you can compile java,c++,fotran,BASIC,pascal.
In online compilers (.net) you can find and use online many compilers ( GCC, MINGW, GFORTRAN, JAVA, GPC, FREEBASIC) for the mainstream languages that exist, you can search THE LINUX MANUAL (DEV MAN) PAGES, the JAVA & WIN32 API’S also you can challenges the progarmming question and answer.
sqlfiddle is for database developers if you are not familiar with database management system then this website is not for you, but if you are beginner and try to learn database management system and want to developed sql then this website is for you.
May be this article is helpful for you.