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Proper way to exit iPhone application?
I am programming an iPhone app, and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the application?
...
Are there disadvantages to using a generic varchar(255) for all text-based fields?
...ields such as postcode , first name , last name , town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way because Ruby on Rails migrations map String fiel...
Vertically centering a div inside another div [duplicate]
...out will impact your rendering performance so I would suggest that you use one of the more modern solutions.
Here is an example
Tested in:
FF3.5+
FF4+
Safari 5+
Chrome 11+
IE9+
HTML
<div class="cn"><div class="inner">your content</div></div>
CSS
.cn {
display...
How can I use Autolayout to set constraints on my UIScrollview?
...hem here, so I'm not sure from looking at your screenshots where you have gone wrong.
In lieu of an explanation of what's wrong in your setup, I've created a basic sample project with a very similar view hierarchy and constraint setup to the one you describe. The horizontal scrolling works as expec...
What is the equivalent of the C++ Pair in Java?
...ond" mean ?).
A better practice is to write a very simple class, like the one Mike proposed, for each application you would have made of the Pair class. Map.Entry is an example of a pair that carry its meaning in its name.
To sum up, in my opinion it is better to have a class Position(x,y), a clas...
Creating a blocking Queue in .NET?
...ut a lock in the Remove method, but not in the Add method. What happens if one thread Adds at the same time as another thread Removes? Bad things.
Also consider that a method can return a second object that provides access to the first object's internal data - for example, GetEnumerator. Imagine on...
How do I return the response from an asynchronous call?
...ynchronous and asynchronous flow clearer:
Synchronous
Imagine you make a phone call to a friend and ask him to look something up for you. Although it might take a while, you wait on the phone and stare into space, until your friend gives you the answer that you needed.
The same is happening when you...
How to Flatten a Multidimensional Array?
...
Am I the only one that thinks 'RecursiveIteratorIterator' is a silly name?
– nilamo
Aug 24 '09 at 6:51
45
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The project file has been moved renamed or is not on your computer
... your last "Get" instead of having to get absolutely everything.
This has one caveat: If you delete or rename the local files on your disk, TFS won't know that you have done this, and it will still think they are where it left them.
If you then "Get Latest" it will not bother to update the missing...
How to determine the current shell I'm working on
...t shell is stored as the SHELL variable for any shell. The caveat for this one is that if you launch a shell explicitly as a subprocess (for example, it's not your login shell), you will get your login shell's value instead. If that's a possibility, use the ps or $0 approach.
If, however, the exe...