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How to find and return a duplicate value in array
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32
detect only finds one duplicate. find_all will find them all:
a = ["A", "B", "C", "B", "A"]
a....
How to validate an email address in PHP
...specs, but I have to warn you it is not an easy read by any stretch:
rfc5322
rfc5321
rfc3696
rfc6531 (allows unicode characters, although many clients / servers don't accept it)
Note that filter_var() is as already stated only available as of PHP 5.2. In case you want it to work with earlier ver...
How to change the output color of echo in Linux
...Dark Gray 1;30
Red 0;31 Light Red 1;31
Green 0;32 Light Green 1;32
Brown/Orange 0;33 Yellow 1;33
Blue 0;34 Light Blue 1;34
Purple 0;35 Light Purple 1;35
Cyan 0;36 Light Cyan 1;36
Light Gray 0;37 White ...
How to add a custom loglevel to Python's logging facility
... example that checks if the logging level is enabled:
import logging
DEBUG_LEVELV_NUM = 9
logging.addLevelName(DEBUG_LEVELV_NUM, "DEBUGV")
def debugv(self, message, *args, **kws):
if self.isEnabledFor(DEBUG_LEVELV_NUM):
# Yes, logger takes its '*args' as 'args'.
self._log(DEBUG...
How do you use bcrypt for hashing passwords in PHP?
...cations. So mt_rand() has a high enough period, but the seed value is only 32 bits. So using mt_rand() effectively limits you to only 32 bits of entropy. Which thanks to the Birthday Problem means that you have a 50% chance of collision at only 7k generated salts (globally). Since bcrypt accepts 128...
Uploading images using Node.js, Express, and Mongoose
...b.
// Expose modules in ./support for demo purposes
require.paths.unshift(__dirname + '/../../support');
/**
* Module dependencies.
*/
var express = require('../../lib/express')
, form = require('connect-form');
var app = express.createServer(
// connect-form (http://github.com/visionmedia...
What is the difference between C++ and Visual C++? [duplicate]
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Joaquin Marcher
17322 silver badges1212 bronze badges
answered Jun 9 '09 at 10:49
PimPim
94955 s...
Rails :include vs. :joins
... what I understood (with examples :))
Consider this scenario:
A User has_many comments and a comment belongs_to a User.
The User model has the following attributes: Name(string), Age(integer). The Comment model has the following attributes:Content, user_id. For a comment a user_id can be null.
...
Click Event on UIImageView programmatically in ios
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answered Jun 15 '13 at 5:32
IronManGillIronManGill
7,17022 gold badges2727 silver badges5151 bronze badges
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Bytecode features not available in the Java language
...tors. Within byte code instructions, all of the named types take the space 32 bit which allows to represent them as int. Officially, only the int, float, long and double types exist within byte code which all need explicit conversion by the rule of the JVM's verifier.
Not release a monitor
A synch...