hidden-features

I am surprised that there is no Android Hidden Features post yet in the Hidden Features series that I've been tracking for a while now. The Hidden Features series is great for people who are new to a certain language. It shows the ropes and certain valuable tricks, all in one place. I think it's a brilliant idea. Even experts sometimes find tricks they'd never heard about. I am starting Android development and I'd love to hear about its hidden features, tips, tricks, and pitfalls. So, here goes: what are some hidden features of Android ? Reto Meier Hopefully there aren't too many hidden,

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 example and short description of the feature, not just a link to documentation Label the feature using bold title as the first line See also: Hidden features of C Hidden features of C# Hidden features of C++ Hidden features of Delphi Hidden features of Python Hidden features of Java Hidden features of JavaScript Hidden features of Ruby Hidden features of PHP Hidden features of Perl Hidden features of

I have definitely picked up some useful tips in the hidden features style questions concerning PHP and XHTML. So here is one to cover CSS. While easy to pick up, it takes a little while to learn about everything, their default behaviors, properties etc Here are some to start the ball @charset "UTF-8"; /* set the character set. must be first line as Gumbo points out in comments */ .element { /* takes precedence over other stylings */ display: block !important; /* mozilla .... rounded corners with no images */ -moz-border-radius: 10px; /* webkit equivalent */ -webkit-border-radius: 10px } These

In the spirit of: Hidden Features of C# Hidden Features of Java Hidden Features of ASP.NET Hidden Features of Python Hidden Features of HTML and other Hidden Features questions What are the hidden features of Erlang that every Erlang developer should be aware of? One hidden feature per answer, please. legoscia The magic commands in the shell. The full list is in the manual , but the ones I use most are: f() - forget all variables f(X) - forget X v(42) - recall result from line 42 v(-1) - recall result from previous line e(-1) - reexecute expression on previous line rr(foo) - read record

Objective-C is getting wider use due to its use by Apple for Mac OS X and iPhone development. What are some of your favourite "hidden" features of the Objective-C language? One feature per answer. Give an example and short description of the feature, not just a link to documentation. Label the feature using a title as the first line. benzado Method Swizzling Basically, at runtime you can swap out one implementation of a method with another. Here is a an explanation with code. One clever use case is for lazy loading of a shared resource: usually you would implement a sharedFoo method by

I've been working with Microsoft SQL Server with many years now but have only just recently started to use MySQL with my web applications, and I'm hungry for knowledge. To continue with the long line of "hidden feature" questions , I would like to know any hidden or handy features of MySQL which will hopefully improve my knowledge of this open source database. Mike Trader Since you put up a bounty, I'll share my hard won secrets... In general, all the SQLs I tuned today required using sub-queries. Having come from Oracle database world, things I took for granted weren’t working the same with

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 <ListView x:Name='lv' Height="150" GridViewColumnHeader.Click="GridViewColumnHeaderClickedHandler"> The GridViewColumnHeader.Click property is not listed. Some of relevant features so far: Multibinding combined with StringFormat TargetNullValue to bindings TextTrimming property Markup extensions Adding Aero effect to Window Advanced "caption" properties XAML Converters See also: Hidden features of C#

This is the unabashed attempt of a similar C# question. So what are your favorite F# hidden (or not) features? Most of the features I've used so far aren't exactly hidden but have been quite refreshing. Like how trivial it is to overload operators compared to say C# or VB.NET. And Async<T> has helped me shave off some real ugly code. I'm quite new to the language still so it'd be great to learn what other features are being used in the wild. User defined numeric literals can be defined by providing a module whose name starts with NumericLiteral and which defines certain methods ( FromZero ,