I am currently working through this tutorial: Getting Started with jQuery 7 Answers 7...

Please tell with a code example why is SimpleDateFormat not threadsafe. What is the problem in this class? Is The problem with format function of SimpleDateFormat ? Please give a code which demonstrates this fault in class. ...

Now that it's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means. ...

What is the tabindex attribute used for in HTML? 10 Answers 10 ...

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? ...

...dp.proj and odp.proj.test . There are certain methods that I want to be visible only to the classes in these two packages. How can I do this? ...

...documentation for the argparse python module , while excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this, if ...

I'm trying to figure out how to execute some js code when an element is removed from the page: 16 Answers ...

I received some text that is encoded, but I don't know what charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#. ...

What is an easy way to check if a value is a valid date, any known date format allowed. 20 Answers ...