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How to Get True Size of MySQL Database?
...ld the table from scratch. When databases store information on disks, they allocate it in blocks; deleting a record often frees a block between used blocks, and it's very expensive to shift all of the other blocks around to use that space up so it is marked as "free". The space may be used later by ...
Delete directory with files in it?
...ainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary
– ReactiveRaven
Jul 16 '12 at 23:47
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How to make completely transparent navigation bar in iOS 7
...or];
[self.navigationController.navigationBar setBackgroundImage:[[UIImage alloc] init] forBarMetrics:UIBarMetricsDefault];
self.navigationController.navigationBar.shadowImage = [[UIImage alloc] init];
self.navigationController.navigationBar.backgroundColor = [UIColor clearColor];
...
Cookies vs. sessions
I started using PHP a couple of months ago. For the sake of creating a login system for my website, I read about cookies and sessions and their differences (cookies are stored in the user's browser and sessions on the server). At that time, I preferred cookies (and who does not like cookies?!) and j...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...;
Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php
I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution.
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Detect when browser receives file download
...expireCookie( "downloadToken" );
attempts = 30;
}
Example server code (PHP):
$TOKEN = "downloadToken";
// Sets a cookie so that when the download begins the browser can
// unblock the submit button (thus helping to prevent multiple clicks).
// The false parameter allows the cookie to be expose...
Why is processing a sorted array slower than an unsorted array?
... the unsorted list all tuples are accessed in memory-order. They have been allocated consecutively in RAM. CPUs love accessing memory sequentially because they can speculatively request the next cache line so it will always be present when needed.
When you are sorting the list you put it into rando...
How to delete object from array inside foreach loop?
...ill generate unexpected behavior, but you can do it safely with foreach on php. Give a read here for a test: php.net/manual/en/control-structures.foreach.php#88578
– pangon
Jan 26 '13 at 6:07
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How do I obtain crash-data from my Android application?
...tion. If you decide to upload the stacktraces to the server, you can use a php script (index.php) to view them. If you're interested, you can find all the sources below - one java class for your application and two optional php scrips for the server hosting the uploaded stacktraces.
In a Context (e...
Link to “pin it” on pinterest without generating a button
...great in Wordpress!
<a href="//pinterest.com/pin/create/link/?url=<?php the_permalink();?>&amp;description=<?php the_title();?>">Pin this</a>
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