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Determining Referer in PHP
... links where you need to verify the referrer.
So if you are generating a FB callback then it would look something like this:
$token = uniqid(mt_rand(), TRUE);
$_SESSION['token'] = $token;
$url = "http://example.com/index.php?token={$token}";
Then the index.php will look like this:
if(empty($_G...
Is this object-lifetime-extending-closure a C# compiler bug?
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Eric LippertEric Lippert
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Make outer div be automatically the same height as its floating content
... the 2 floating divs.
<div id='outerdiv' class='clearfix' style='width:600px; background-color: black;'>
<div style='width:300px; float: left;'>
<p>xxxxxxxxxxxxxxxxxxxxxxxxxxxxx</p>
</div>
<div style='width:300px; float: left;'>
<p...
How to compare two colors for similarity/difference
...ned colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
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Remove duplicated rows
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87
The function distinct() in the dplyr package performs arbitrary duplicate removal, either from ...
How to securely save username/password (local)?
...g the data?
– Robin
Oct 1 '12 at 11:46
2
Seems that the class is now known as Rfc2898DeriveBytes ...
How to remove outliers from a dataset
...specially for beginners, and with no comments.
– PeyM87
Oct 15 '19 at 8:42
add a comment
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How to check if running in Cygwin, Mac or Linux?
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If I run a script under cygwin by executing "\cygwin64\bin\bash -c scriptname", this doesn't necessarily work. In this situation, the cygwin path doesn't get set up and uname -s ends up calling whatever uname is first in your current path, which on my system turns out to be t...
How to check for an active Internet connection on iOS or macOS?
... zeroAddress.sin_len = sizeof(zeroAddress);
zeroAddress.sin_family = AF_INET;
SCNetworkReachabilityRef reachability = SCNetworkReachabilityCreateWithAddress(kCFAllocatorDefault, (const struct sockaddr*)&zeroAddress);
if (reachability != NULL) {
//NetworkStatus retVal = Not...
Get user profile picture by Id
...y this will save someone an extra step in finding their profile ID - findmyfbid.com
– jarmerson
Mar 24 '16 at 22:28
3
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