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How to run cron job every 2 hours
...into crontab :
crontab -e
write this into the file:
0 */2 * * * python/php/java yourfilepath
Example :0 */2 * * * python ec2-user/home/demo.py
and make sure you have keep one blank line after the last cron job in your crontab file
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
I got this code to covert size in bytes via PHP.
17 Answers
17
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What is the maximum length of data I can put in a BLOB column in MySQL?
...t be accurate, but according to this site: http://www.htmlite.com/mysql003.php.
BLOB A string with a maximum length of 65535 characters.
The MySQL manual says:
The maximum size of a BLOB or TEXT
object is determined by its type, but
the largest value you actually can
transmit betwe...
Detecting iOS / Android Operating system
...
You can also Achieve this with user agent on php:
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($userAgent,'android') !== false) { // && stripos($userAgent,'mobile') !== false) {
header('Location: http://oursite.com/download/yourApp.apk');...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
...d to maybe add a HEADER in your called script, here is what I had to do in PHP:
header('Access-Control-Allow-Origin: *');
More details in Cross domain AJAX ou services WEB (in French).
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im...
How big can a user agent string get?
...ind the fastest hash algorithm that didn't produce any collisions. For my PHP environment I found md5 performed quickly at 2.3 seconds with no collisions. Interestingly I tried crc32 and crc32b and they also performed at 2.3 seconds with no collisions. But, because md5 has more combinations than c...
What are the differences between JSON and JSONP?
...and increase your audience."
},
{
"siteName": "PHPSCRIPTS4U",
"domainName": "http://www.phpscripts4u.com",
"description": "The Blog of Enthusiastic PHP Scripters"
}
]
});
(function($) {
var url = 'http://www.jquery4u.com/scripts/jquery...
PostgreSQL Connection URL
...er=host;Port=5432;User Id=username;Password=secret;Database=databasename;
PHP documentation us here, the general connection string is
host=hostname port=5432 dbname=databasename user=username password=secret
If you're using something else, you'll have to tell us.
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Using XPATH to search text containing
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Got to work this with PHP successfully as well: $col = $xpath->query("//p[text()=\"\xC2\xA0\"]");
– hakre
Jul 23 '11 at 17:37
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Best way to include CSS? Why use @import?
... files. When you include them as <link tags you can use existing minify php/dotnet/java modules to do the minification.
So: use <link /> instead of @import.
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