This is a number of answers about warnings, errors, and notices you might encounter while programming PHP and have no clue how to fix them. This is also a Community Wiki, so everyone is invited to participate adding to and maintaining this list. ...

I have a form in Angular that has two buttons tags in it. One button submits the form on ng-click . The other button is purely for navigation using ng-click . However, when this second button is clicked, AngularJS is causing a page refresh which triggers a 404. I’ve dropped a breakpoint in the f...

I just can't understand fixed point and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example? ...

Can somebody remember what was the command to create an empty file in MSDOS using BAT file? 13 Answers ...

Why and when should I use the session_regenerate_id() function in php? Should I always use it after I use the session_start() ? I've read that I have to use it to prevent session fixation, is this the only reason? ...

I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over: ...

I would like to make a free version of the Android app I have, but would like to embed ad on it. I am not sure where I should start? Is there a well known mobile ad company out there that is specialized in mobile advertising? ...

I'm developing a deployment script for my git project and I just started using tags. I've added a new tag called v2.0 : 2 ...

I know I could implement a root mean squared error function like this: 12 Answers 12 ...

I have a small PHP application storing data in a MySQL database. Currently username / password are hard-coded in the PHP code. A situation I do not really like, for example, since the code is also available in a repository. ...