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PHP: How to use array_filter() to filter array keys?
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PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filte...
How does LMAX's disruptor pattern work?
...as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
5 Answers
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Accessing JPEG EXIF rotation data in JavaScript on the client side
...You could have an API that takes a file URL and returns you the EXIF data; PHP has a module for that.
This could be done using Ajax so it would be seamless to the user. If you don't care about cross-browser compatibility, and can rely on HTML5 file functionality, look into the library JsJPEGmeta t...
How to force a web browser NOT to cache images
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I use PHP's file modified time function, for example:
echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />";
If you change the image then the new image is used rather than the cached one, due to havi...
What exactly are unmanaged resources?
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Some users rank open files, db connections, allocated memory, bitmaps, file streams etc. among managed resources, others among unmanaged. So are they managed or unmanaged?
My opinion is, that the response is more complex: When you open file in .NET, you probably use s...
Remove empty space before cells in UITableView
...his problem with code like this:
self.refreshControl = [[UIRefreshControl alloc] init];{
[self.refreshControl setAttributedTitle:[[NSAttributedString alloc]
initWithString:@"Your string"]];
[self.refreshControl addTarget:self
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What is the best way to test for an empty string in Go?
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TrimSpace will allocate and copy a new string from the original string, so this approach will introduce inefficiencies at scale.
– Dai
Apr 20 '18 at 1:16
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How to resize superview to fit all subviews with autolayout?
...ad];
// INIT ALL REQUIRED UI ELEMENTS
self.contentView = [[UIView alloc] init];
self.myLabel = [[UILabel alloc] init];
self.myOtherLabel = [[UILabel alloc] init];
NSDictionary *viewsDictionary = NSDictionaryOfVariableBindings(_contentView, _myLabel, _myOtherLabel);
// TURN ...
Creating .pem file for APNS?
...ed the above steps and now its working.I have kept the certificate and the php script on my local web server (Xampp). I am able to get the device token , and i am using it in the php script. The php script is able to connect and send payload data. But still then i am not able to get the PUSH Notifi...
PHP validation/regex for URL
...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018
– S. Imp
May 12 '17 at 21:53
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