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When should I make explicit use of the `this` pointer?
...ou omit this->, the compiler does not know how to treat i, since it may or may not exist in all instantiations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this-> prefix by using:
template&l...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
...
Core jQuery doesn't have anything special for touch events, but you can easily build your own using the following events
touchstart
touchmove
touchend
touchcancel
For example, the touchmove
document.addEventListener('touc...
Custom dealloc and ARC (Objective-C)
...u simply do not call [super dealloc] explicitly - the compiler handles it for you (as described in the Clang LLVM ARC document, chapter 7.1.2):
- (void) dealloc
{
[observer unregisterObject:self];
// [super dealloc]; //(provided by the compiler)
}
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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
I am seeing the following error:
11 Answers
11
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What is the difference between user variables and system variables?
...system variables. The elements are combined when creating the environment for an application. System variables are shared for all users, but user variables are only for your account/profile.
If you deleted the system ones by accident, bring up the Registry Editor, then go to HKLM\ControlSet002\Cont...
Maximum concurrent Socket.IO connections
...mall test (using XHR-polling) to see when the connections started to fail (or fall behind). I found (in my case) that the sockets started acting up at around 1400-1800 concurrent connections.
This is a short gist I made, similar to the test I used: https://gist.github.com/jmyrland/5535279
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Html.RenderPartial giving me strange overload error?
...made a test partial page named _Test.cshtml and put it in the same directory as my view that will be calling it, here it is:
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How to convert xml into array in php?
...hp.net/manual/en/book.simplexml.php
The syntax looks something like this for your example
$xml = new SimpleXMLElement($xmlString);
echo $xml->bbb->cccc->dddd['Id'];
echo $xml->bbb->cccc->eeee['name'];
// or...........
foreach ($xml->bbb->cccc as $element) {
foreach($eleme...
Django Model - Case-insensitive Query / Filtering
How can I query/filter in Django and ignore the cases of my query-string?
1 Answer
1
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ItemsControl with horizontal orientation
Do you know any controls inherited from the ItemsControl that have horizontal orientation of items?
5 Answers
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