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@raveren
raveren / cryptographically_secure_random_strings.php
Last active November 21, 2023 12:35
Generate cryptographically secure random strings. Based on Kohana's Text::random() method and this answer: http://stackoverflow.com/a/13733588/179104
function random_text( $type = 'alnum', $length = 8 )
{
switch ( $type ) {
case 'alnum':
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'alpha':
$pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'hexdec':
@gladson
gladson / gist:1541450
Created December 30, 2011 21:00
sql to django queryset cheatsheet by pythonnewbie
Sql QuerySet Notes
SELECT count(*) FROM fruit Fruits.objects.count() table count
SELECT count(*) FROM fruit WHERE name=’Orange’ Fruits.objects.filter(name__exact=’Orange’).count() count with filter
SELECT * FROM fruit WHERE color is NULL Fruits.objects.get(color__isnull=True) filter by null
SELECT * FROM fruit WHERE color is NOT NULL Fruits.objects.get(color__isnull=False) filter by null
SELECT * FROM fruit WHERE name=’Apple’ Fruits.objects.get(name__exact=’Apple’) case sensitive
SELECT * FROM fruit WHERE lower(name)=lower(‘Apple’) Fruits.objects.get(name__iexact=’Apple’) case in-sensitive
SELECT * FROM fruit WHERE name LIKE ‘App%’ Fruits.objects.filter(name__startswith=’App’) case sensitive LIKE
SELECT * FROM fruit WHERE upper(name) LIKE ‘APP%’ Fruits.objects.filter(name__ista