... Whenever the Python interpreter reads a source file, it does two things: it sets a few special variables like __name__, and then it executes all of the code found in the file. Let's see how this works and how it relates to your question about the __name__ checks we always s...

... It's called lazy loading because, like a lazy person, you are putting off doing something you don't want to. The opposite is Eager Loading, where you load something right away, long before you need it. If you are curious wh...

...h suggested by Flavius. There are numerous reasons to avoid this approach. It violates good OOP principles. The google testing blog has some good articles on the Singleton and how to avoid it: http://googletesting.blogspot.com/2008/08/by-miko-hevery-so-you-join-new-project.html http://googletesting...

... If null were an Object, it would support the methods of java.lang.Object such as equals(). However, this is not the case - any method invocation on a null results in a NullPointerException. And this is what the Java Language Specification has to sa...

...uld stop using SecureString . Looks like PG guys are dropping support for it. Possibly even pull it in the future - https://github.com/dotnet/apireviews/tree/master/2015-07-14-securestring . We should remove encryption from SecureString across all platforms in .NET Core - We should obsolete ...

...lue is the empty string and the control is not focused (e.g. by displaying it inside a blank unfocused control). All U+000D CARRIAGE RETURN U+000A LINE FEED character pairs (CRLF) in the hint, as well as all other U+000D CARRIAGE RETURN (CR) and U+000A LINE FEED (LF) characters in the hint, must be ...

... Not only does it not get executed, it doesn't even get compiled. #if is a preprocessor command, which gets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary. It's often used fo...

I was under the assumption that REST was a web service but it seems that I am incorrect in thinking this - so, what is REST? ...

...programmers and libraries have different approaches and class-handling utility functions to paper over some of the uglier parts of the language. The result is that in mixed company you will have a mishmash of metaclasses, all behaving slightly differently. What's worse, most JavaScript tutorial mat...

... array1.equals(array2) is the same as array1 == array2, i.e. is it the same array. As @alf points out it's not what most people expect. Arrays.equals(array1, array2) compares the contents of the arrays. Similarly array.toString() may not be very useful and you need to use Arrays.toStr...