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How to detect iPhone 5 (widescreen devices)?
...views can adjust, and adapt any screen size.
That's not very hard, read some documentation about that. It will save you a lot of time.
iOS 6 also offers new features about this.
Be sure to read the iOS 6 API changelog on Apple Developer website.
And check the new iOS 6 AutoLayout capabilities.
Th...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
...sponse.asp)
In practice you almost never use any of them except for 4.
Some XMLHttpRequest implementations may let you see partially received responses in responseText when readyState==3, but this isn't universally supported and shouldn't be relied upon.
...
How to print binary tree diagram?
...level, int maxLevel) {
if (nodes.isEmpty() || BTreePrinter.isAllElementsNull(nodes))
return;
int floor = maxLevel - level;
int endgeLines = (int) Math.pow(2, (Math.max(floor - 1, 0)));
int firstSpaces = (int) Math.pow(2, (floor)) - 1;
int betweenS...
WPF Application that only has a tray icon
I am a total WPF newbie and wonder if anyone could give me some pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
...
PowerShell: Store Entire Text File Contents in Variable
...hanks! $content = [IO.File]::ReadAllText(".\test.txt") appears to do the same thing as $content = (gc ".\test.txt" | out-string). Since the second of the two is shorter, that's what I prefer. Unfortunately, neither of the methods you provided for calculating the total number of lines takes trailing...
Are Java static calls more or less expensive than non-static calls?
...tspot may choose to optimize in ways that make static calls faster for one method, non-static calls faster for another.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot does), or some remem...
How do you loop through currently loaded assemblies?
...
This extension method gets all referenced assemblies, recursively, including nested assemblies.
As it uses ReflectionOnlyLoad, it loads the assemblies in a separate AppDomain, which has the advantage of not interfering with the JIT process...
Rails respond_with: how does it work?
I've been reading here and there about how cool the respond_with method is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually im...
How to save an activity state using save instance state?
...nd write the application state values you want to change to the Bundle parameter like this:
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
super.onSaveInstanceState(savedInstanceState);
// Save UI state changes to the savedInstanceState.
// This bundle will be passed t...
asp.net mvc put controllers into a separate project
...plication.
If you do choose to do this, then you will need to tell the framework how to find your controllers. The basic way to do this is by supplying your own ControllerFactory. You can take a look at the source code for the DefaultControllerFactory to get an idea for how this is done. Subtyping ...