I've seen a few questions (namely this one ) here on SO about adding a default boolean value to an existing column. So I tried the change_column suggestion but I mustn't be doing it right. ...

Is it possible in C# to explicitly convert a base class object to one of it's derived classes? Currently thinking I have to create a constructor for my derived classes that accept a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoi...

I am trying to display HTML inside a bootstrap popover, but somehow it's not working. I found some answers here but it won't work for me. Please let me know if I'm doing something wrong. ...

In Java, given a java.net.URL or a String in the form of http://www.example.com/some/path/to/a/file.xml , what is the easiest way to get the file name, minus the extension? So, in this example, I'm looking for something that returns "file" . ...

Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language. ...

Is there a more efficient way to convert an HTMLCollection to an Array, other than iterating through the contents of said collection and manually pushing each item into an array? ...

I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores. ...

What concepts in Computer Science do you think have made you a better programmer? 33 Answers ...

I want to know the difference between a file descriptor and file pointer. 9 Answers 9 ...

I have SQL Server database and I just realized that I can change the type of one of the columns from int to bool . 11 A...