What is the main difference between view and table in SQL. Is there any advantage of using views instead of tables. 7 Answe...

Please consider this code. I have seen this type of code several times. words is a local vector. How is it possible to return it from a function? ...

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 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? ...

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. ...

I need to create a NumPy array of length n , each element of which is v . 7 Answers ...