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Get the first element of an array
...$array));
In O(1):
array_pop(array_reverse($array));
Other use cases, etc...
If modifying (in the sense of resetting array pointers) of $array is not a problem, you might use:
reset($array);
This should be theoretically more efficient, if a array "copy" is needed:
array_shift(array_slice($...
How to encrypt/decrypt data in php?
...n substr($data, 0, -ord($data[strlen($data) - 1]));
}
$row = $result->fetch(PDO::FETCH_ASSOC); // read from database result
// $enc_name = base64_decode($row['Name']);
// $enc_name = hex2bin($row['Name']);
$enc_name = $row['Name'];
// $iv = base64_decode($row['IV']);
// $iv = hex2bin($row['IV'])...
How to get CRON to call in the correct PATHs
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I used /etc/crontab. I used vi and entered in the PATHs I needed into this file and ran it as root. The normal crontab overwrites PATHs that you have set up. A good tutorial on how to do this.
The systemwide cron file looks like thi...
Remove non-numeric characters (except periods and commas) from a string
...tters from the string. Other characters, such as spaces, brackets, quotes, etc. are kept inside the result. --> Only use this solution, if you know that your input string only contains letters and numbers, and no other characters!
– Philipp
Sep 14 '18 at 12:...
Ruby on Rails Server options [closed]
...alled an app server cluster (hence the name Mongrel Cluster, Thin Cluster, etc). You must then setup Apache or Nginx to reverse proxy to this cluster. Apache/Nginx will take care of distributing requests between the instances in the cluster (More on this in section "I/O concurrency models").
The web...
Can I Replace Apache with Node.js?
...low as them. As simple example would probably be, mynode.js/getfile?file=/etc/shadow
– Rahly
Mar 28 '14 at 23:13
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Resumable downloads when using PHP to send the file?
...the specs you can do "bytes=x-y", "bytes=-x", "bytes=x-", "bytes=x-y,a-b", etc. so the bug in the previous version was the missing end slash, not the lack of a question mark.
– Theo
Jul 16 '09 at 8:09
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...ems.
One other note: if you are using NTFS based storage (windows server, etc) you might consider finding a way around putting thousands and thousands of files in one directory. I am not sure why, but sometimes the file system does not cope well with that situation. If anyone knows more about this ...
how to check and set max_allowed_packet mysql variable [duplicate]
...afe] (which is default settings came with the mysql installation) mode in /etc/my.cnf, it did no work. I did not dig into the problem. But after I change it to [mysqld] and restarted the mysqld, it worked.
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Twitter API returns error 215, Bad Authentication Data
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A very concise code without any other php file include of oauth etc.
Please note to obtain following keys you need to sign up with https://dev.twitter.com and create application.
<?php
$token = 'YOUR_TOKEN';
$token_secret = 'YOUR_TOKEN_SECRET';
$consumer_key = 'CONSUMER_KEY';
$consume...