I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder? ...

I'm looking at hashing algorithms, but couldn't find an answer. 6 Answers 6 ...

I'm just going over some Scala tutorials on the Internet and have noticed in some examples an object is declared at the start of the example. ...

I read in a lot of books that C is a subset of C++. 12 Answers 12 ...

I have a makefile that builds and then calls another makefile. Since this makefile calls more makefiles that does the work it doesnt really change. Thus it keeps thinking the project is built and upto date. ...

Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are? ...

It looks strange especially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. ...

Does AngularJS help in any way with setting an active class on the link for the current page? 29 Answers ...

What is the difference between a .jar and a .war file? Is it only the file extension or is there something more? 13 A...

I'm a beginner in C programming, but I was wondering what's the difference between using typedef when defining a structure versus not using typedef . It seems to me like there's really no difference, they accomplish the same goal. ...