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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...longer need notifications, or when your observer instance is going to be deallocated in the deinit method
– igrek
Feb 20 '18 at 15:35
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How to customize the background color of a UITableViewCell?
...ll's background is panted yellow:
UIView* backgroundView = [ [ [ UIView alloc ] initWithFrame:CGRectZero ] autorelease ];
backgroundView.backgroundColor = [ UIColor yellowColor ];
cell.backgroundView = backgroundView;
for ( UIView* view in cell.contentView.subviews )
{
view.backgroundColor =...
Need to understand the usage of SemaphoreSlim
...sk that will be completed when that thread has been given "access" to that token. await-ing that task lets the program continue execution when it is "allowed" to do so. Having an asynchronous version, rather than calling Wait, is important both to ensure that the method stays asynchronous, rather ...
Android Webview - Completely Clear the Cache
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Need to allocate the object? WebView obj= new WebView(this); obj.clearCache(true); Anyway, very good for me, upvoted!
– Giorgio Barchiesi
Nov 6 '19 at 7:03
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Firefox session cookies
...e of the implications of this (IMO ill-advised) decision: mrclay.org/index.php/2010/05/02/…
– Steve Clay
May 2 '10 at 7:08
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How to count string occurrence in string?
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@JonnyLin it creates unnecessary allocations you immediately throw away when alternatives do not - potentially very large ones depending on the data.
– Nick Craver♦
Jul 7 '15 at 0:16
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...njoy it!!!
Just because I have had problems with my hosting provider
<?php /*
Author: Luis Siquot
Purpose: Check ajax performance and errors
License: GPL
site5: Please don't drop json requests (nor delay)!!!!
*/
$r = (int)$_GET['r'];
$w = (int)$_GET['w'];
if($r) {
sleep($w);
ech...
From Arraylist to Array
...te array that is big enough to put all elements. In this case it is not re-allocated.
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Javascript swap array elements
...sion is likely inefficient as it is generating a new and unnecessary array allocation.
– Chris_F
Jul 12 at 23:53
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How do I instantiate a Queue object in java?
...s a queue". It's due to CPU-cache-friendly data locality and less frequent allocations.
– Vadzim
Sep 30 '16 at 18:13
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