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Split an NSString to access one particular piece
...10/04/2011" and I want to save only the "10" in another string. How can I do that?
7 Answers
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How to pass parameters on onChange of html select
... fire the event immediately after a value changes?
– doABarrelRoll721
Feb 19 '16 at 18:42
2
use t...
Concurrent vs serial queues in GCD
...dispatch type (sync or async) is only saying whether the execution goes OR doesn't go to the next instruction? I mean, if I dispatch a task SYNC the code will block until that tasks finishes, no matter what queue it's executed on?
– Bogdan Alexandru
Oct 4 '13 a...
Permanently add a directory to PYTHONPATH?
... close python, the list will revert to the previous (default?) values. How do I permanently add a directory to PYTHONPATH ?
...
How to use a filter in a controller?
...s:
$filter('filtername');
If you want to pass arguments to that filter, do it using separate parentheses:
function myCtrl($scope, $filter)
{
$filter('filtername')(arg1,arg2);
}
Where arg1 is the array you want to filter on and arg2 is the object used to filter.
...
Can I call a base class's virtual function if I'm overriding it?
...
Is there any possible issues with doing this? Is it bad practice?
– Robben_Ford_Fan_boy
Feb 2 '11 at 15:01
37
...
Ajax, back button and DOM updates
If javascript modifies DOM in page A, user navigates to page B and then hits back button to get back to the page A. All modifications to DOM of page A are lost and user is presented with version that was originally retrieved from the server.
...
How do I catch an Ajax query post error?
...e the deferred objects mechanism:
$.post('some.php', {name: 'John'})
.done(function(msg){ })
.fail(function(xhr, status, error) {
// error handling
});
Another way is using .ajax:
$.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success:...
I get exception when using Thread.sleep(x) or wait()
...ough exception handling, threading and thread interruptions. But this will do what you want:
try {
Thread.sleep(1000); //1000 milliseconds is one second.
} catch(InterruptedException ex) {
Thread.currentThread().interrupt();
}
...
Rename a git submodule
...th
git rm oldpath
git add newpath
git submodule sync
Note: this approach does not update the index and .gitmodules properly in 2018 versions of GIT.
Note: You may be able to now just do git mv oldpath newpath now, as pointed out in VonC's answer. (Ensure you are using the latest version of git)
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