Which one(s) of them is correct? 7 Answers 7 ...

...which I logout, then I come back to first page and I click on any link etc or refresh page I get this exception. I guess it's normal (or maybe not:)) because I logged out and session is destroyed. What should I do to redirect user to for example index.xhtml or login.xhtml and save him from seeing th...

...oncurrent: the code runs on a background thread but the main thread waits for it to finish, blocking any updates to the UI. The block can't assume that it's the only block running on that queue (I could have added another block using async a few seconds previously) sync - serial: the code runs on a ...

In python, how do I check if an object is a generator object? 9 Answers 9 ...

Sometimes it is useful to "clone" a row or column vector to a matrix. By cloning I mean converting a row vector such as 9 A...

I am getting started with Object-Oriented Programming (OOP) and would like to know: what is the meaning of serialization in OOP parlance? ...

What is better, adjacency lists or adjacency matrix, for graph problems in C++? What are the advantages and disadvantages of each? ...

I was trying to investigate the project build error in the console output as follow: 12 Answers ...

... I would tend to use US-English as that has become the norm in other APIs. Speaking as an English programmer, I don't have any problem using "color", for example. share | improve ...

...leading zeros to maintain proper rows and columns. Mathematically this is correct, since leading zero obviously don't alter the underlying value. Attempts to define a var with this matrix, however, would fail mysteriously with: java.lang.NumberFormatException: Invalid number: 08 which totally baf...