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Increasing the maximum number of TCP/IP connections in Linux
...o move session info from an application level session storage to redis via PHP. For some reason, I could not add more than 28230 sessions without adding lots of sleep in one go, with no errors seen either in php or on redis logs. We broke our heads on this for an entire day till I thought maybe prob...
Are PDO prepared statements sufficient to prevent SQL injection?
...of MySQL (late 5.1, all 5.5, 5.6, etc) AND PDO's DSN charset parameter (in PHP ≥ 5.3.6)
OR
Don't use a vulnerable character set for connection encoding (you only use utf8 / latin1 / ascii / etc)
OR
Enable NO_BACKSLASH_ESCAPES SQL mode
You're 100% safe.
Otherwise, you're vulnerable even ...
How to change collation of database, table, column?
...
You can run a php script.
<?php
$con = mysql_connect('localhost','user','password');
if(!$con) { echo "Cannot connect to the database ";die();}
mysql_select_db('db...
count (non-blank) lines-of-code in bash
...path './punbb' -prune -o -path './js/3rdparty' -prune -o -print | egrep '\.php|\.as|\.sql|\.css|\.js' | grep -v '\.svn' | xargs cat | sed '/^\s*$/d' | wc -l
The above will give you the total count of lines of code (blank lines removed) for a project (current folder and all subfolders recursively)....
What is the difference between Google App Engine and Google Compute Engine?
...d. But the restriction is, you can create your application in only Python, PHP, Java, NodeJS, .NET, Ruby and **Go.
On the other hand, GCE provides you full infrastructure in the form of Virtual Machine. You have complete control over those VMs' environment and runtime as you can write or install an...
Static/Dynamic vs Strong/Weak
...e it does not want to cast one type to the other implicitly.
whereas in PHP:
$str = 5 + "hello"; // equals 5 because "hello" is implicitly casted to 0
// PHP is weakly typed, thus is a very forgiving language.
Static typing allows for checking type correctness at compile time. Statically type...
Beginner's guide to ElasticSearch [closed]
...e a good degree of separation of data that belongs within the same index.
PHP
I use PHP as a front end and used this wrapper to integrate my ELS installation into my scripts.
Other resources
The presentation in the other answer to your question is really good, go through it and learn the DSL Que...
Escaping ampersand in URL
...
there is a php function urlencode which solves this problem : usage $escapedfilename=urlencode($filename);
– Jeremy Young
Feb 19 '19 at 13:28
...
How can I determine the current line number in JavaScript?
...
Problem: if you're using PHP, the "source code" seen by javascript is not the original source code, so it has the wrong line numbers. (That's probably what's happening to Hermann.) Does anyone know how to make javascript see the original PHP source c...
ie8 var w= window.open() - “Message: Invalid argument.”
...ng the following code its working...
onclick="window.open('privacy_policy.php','','width=1200,height=800,scrollbars=yes');
Previously i Entered like
onclick="window.open('privacy_policy.php','Window title','width=1200,height=800,scrollbars=yes');
Means Microsoft does not allow you to enter win...