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PostgreSQL: Difference between text and varchar (character varying)
...ength array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle err...
fastest MD5 Implementation in JavaScript
...sh = CryptoJS.MD5(password).toString();
$.post(
'includes/login.php',
{ user: username, pass: passhash },
onLogin,
'json' );
</script>
So this script will post the hash of your password string to the server.
For further info and support on other hash calculati...
Entity Framework 4 vs NHibernate [closed]
...hat about NHibernate? It's absolutely different level, it's like comparing PHP to C#, EF4 is like in Stone-age, it's like EF is 10 years behind then NHibernate in development progress, and in fact it is, Hibernate was started in 2001. If you have free time to learn and switch on Nhibernate, do it.
...
Set Additional Data to highcharts series
...tion, distractor and expected answer) for each of the data series :
<?php
while($n<=10)
{
$data1[]=array(
"y"=>$nber1,
"img"=>$image1,
"ques"=>$ques,
"distractor"=>$distractor1,
"answer"=>$ans
);
$data2[]=array(
"y"...
Is Meyers' implementation of the Singleton pattern thread safe?
...escu in Modern C++ Design. See Loki's site: loki-lib.sourceforge.net/index.php?n=Pattern.Singleton
– Matthieu M.
Nov 2 '09 at 14:57
1
...
Is there a way to “autosign” commits in Git with a GPG key?
...ram /usr/bin/pinentry-gtk-2 (following this guide wiki.archlinux.org/index.php/GnuPG#pinentry )
– iakovos Gurulian
Feb 6 '17 at 11:21
|
show...
Pretty graphs and charts in Python [closed]
...for Python?
I can't speak about this one, but I've used ChartDirector for PHP and it's pretty good.
share
answered Sep 9 '08 at 19:13
...
Regular expression to match balanced parentheses
...o at regex101; The pattern is pasted at (?R) which represents (?0).
Perl, PHP, Notepad++, R: perl=TRUE, Python: Regex package with (?V1) for Perl behaviour.
Ruby using subexpression calls.
With Ruby 2.0 \g<0> can be used to call full pattern.
\((?>[^)(]+|\g<0>)*\)
Demo at Rubu...
HSL to RGB color conversion
I am looking for a JavaScript / PHP algorithm to convert between HSL color to RGB.
19 Answers
...
What is a “surrogate pair” in Java?
...objects
https://www.online-toolz.com/tools/text-unicode-entities-convertor.php
https://www.ibm.com/developerworks/library/j-unicode/index.html
https://www.oracle.com/technetwork/articles/javaee/supplementary-142654.html
More info on example image1 image2
Other terms worth to explore: Normalization,...