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Best way to alphanumeric check in JavaScript

...tion that unambiguously processes an alphanumeric string. I called it like PHP relative function ctype_alnum (edit 2020-02-18: Where, however, this checks OR and not AND). Here's the code:
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Calculate difference between two dates (number of days)?

I see that this question has been answered for Java , JavaScript , and PHP , but not C#. So, how might one calculate the number of days between two dates in C#? ...
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Error Code: 2013. Lost connection to MySQL server during query

...erflow.com/q/16877574/395857, this issue is now solved (bugs.mysql.com/bug.php?id=69395) – Franck Dernoncourt Jun 18 '13 at 3:46 4 ...
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Why is Node.js single threaded? [closed]

In PHP (or Java/ASP.NET/Ruby) based webservers every client request is instantiated on a new thread. But in Node.js all the clients run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop. ...
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I'm getting Key error in python

... Argh... horrible, horrible unpythonic code. Don't write PHP code in Python: it's not an array, it's a dictionary (you may call it a hash, but array is right out). And: dicts already have your "keyCheck" function: instead of "keyCheck('key1', myarray, '#default')" you'd do "mydic...
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat

...ne("cat /etc/services") print cmdline('ls') print cmdline('rpm -qa | grep "php"') print cmdline('nslookup google.com') share | improve this answer | follow | ...
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Don't Echo Out cURL

... Not the answer you're looking for? Browse other questions tagged php curl or ask your own question.
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WAMP 403 Forbidden message on Windows 7

...m all Allow from 127.0.0.1 </Directory> The same goes for your PHPMyAdmin access, the config file is phpmyadmin.conf : <Directory "c:/wamp/apps/phpmyadmin3.4.5/"> Options Indexes FollowSymLinks MultiViews AllowOverride all Order Deny,Allow Deny from all ...
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How do I make a transparent border with CSS?

.... http://www.researchkitchen.de/blog/archives/css-bordercolor-transparent.php share | improve this answer | follow | ...
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Change URL parameters

...le.net/Draven/tTPYL/1 The URL would look like http://www.domain.com/index.php?action=my_action&view-all=Yes and I need to change the "view-all" value. My SO question that was closed: stackoverflow.com/questions/13025880/… – Draven Oct 25 '12 at 6:43 ...