GNU makefiles let your small business put out source code that can adapt its compilation to a specific client's machine, and preemptively detect problems or unmet software dependencies. Checking to ...

A common task for a program is to read data from a file. To read from a text file in C, you will need to open a file stream using the fopen() function. Once a file stream has been opened, you can then ...

I know many other languages use the eval() function to take a string argument and evaluate it as part of the source code (so you can run a function or assign a variable etc). I've seen it in PHP, ...