Linked Questions

Possible Duplicate: Hidden Features of Java What are some Java language features or Java related tools that you were embarrassed to find that you didn't know about? Examples for me are: jmap ...

This came to my mind after I learned the following from this question: where T : struct We, C# developers, all know the basics of C#. I mean declarations, conditionals, loops, operators, etc. Some ...

What is, in your opinion, the most surprising, weird, strange or really "WTF" language feature you have encountered? Please only one feature per answer.

What "Hidden Features" of JavaScript do you think every programmer should know? After having seen the excellent quality of the answers to the following questions I thought it was time to ask it for ...

In Hidden Features of Java the top answer mentions Double Brace Initialization, with a very enticing syntax: Set<String> flavors = new HashSet<String>() {{ add("vanilla"); add("...

What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work? Guidelines: Try to limit answers to the Perl core and not CPAN Please ...

HTML being the most widely used language (at least as a markup language) has not gotten its due credit. Considering that it has been around for so many years, things like the FORM / INPUT controls ...

Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language. Try to limit this discussion with core Ruby, without any Ruby on Rails ...

Here is a large number of hidden features discussed for variety of languages. Now I am curious about some hidden features of XAML and WPF? One I have found is the header click event of a ListView &...

Shell scripts are often used as glue, for automation and simple one-off tasks. What are some of your favorite "hidden" features of the Bash shell/scripting language? One feature per answer Give an ...

It seems like Groovy was forgotten in this thread so I'll just ask the same question for Groovy. Try to limit answers to Groovy core One feature per answer Give an example and short description of the ...

I've gone through a few Java questions on SO. And I must say the content here is pretty well written and the Java guys on SO can really pump out the answers. But what I always found was Java answers ...

I know throw new Exception(); has a pretty large overhead, since it creates a full stackTrace, etc. Does throw new Throwable(); present the same problem? Is this behaviour inherited, or does ...

I recently learned that Unicode is permitted within Java source code not only as Unicode characters (eg. double π = Math.PI; ) but also as escaped sequences (eg. double \u03C0 = Math.PI; ). The first ...

We're having a bit of fun here at work. It all started with one of the guys setting up a Hackintosh and we were wondering whether it was faster than a Windows Box of (nearly) same specs that we have. ...