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How to get a string after a specific substring?
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edited Jun 21 '17 at 16:25
Don Kirkby
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Input text dialog Android
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AaronAaron
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Remove unwanted parts from strings in a column
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eumiroeumiro
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What does the 'b' character do in front of a string literal?
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edited Nov 7 '18 at 3:46
Anthony Sottile
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an...
AngularJS-Twig conflict with double curly braces
...e answer.
– abhaga
Dec 2 '12 at 18:26
4
Thanks! Ran into a similar issue with Jeykll / Liquid and...
Two-way encryption: I need to store passwords that can be retrieved
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$salt = substr($data, 0, 128);
$enc = substr($data, 128, -64);
$mac = substr($data, -64);
list ($cipherKey, $macKey, $iv) = $this->getKeys($salt, $key);
if (!hash_equals(hash_hmac('sha512', $enc, $macKey, true), $mac)) {
return false;
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Detect Safari browser
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edited Feb 14 '16 at 15:51
jcubic
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How do you test functions and closures for equality?
...agdrewag
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Using GPU from a docker container?
...instructions were tested on the following environment:
Ubuntu 14.04
CUDA 6.5
AWS GPU instance.
Install nvidia driver and cuda on your host
See CUDA 6.5 on AWS GPU Instance Running Ubuntu 14.04 to get your host machine setup.
Install Docker
$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu...
Fastest way to flatten / un-flatten nested JSON objects
...Together, they run your benchmark in about the half of the time (Opera 12.16: ~900ms instead of ~ 1900ms, Chrome 29: ~800ms instead of ~1600ms).
Note: This and most other solutions answered here focus on speed and are susceptible to prototype pollution and shold not be used on untrusted objects.
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