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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:
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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How do I make a transparent border with CSS?
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http://www.researchkitchen.de/blog/archives/css-bordercolor-transparent.php
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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')
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Regex lookahead, lookbehind and atomic groups
... doesn't support look-behind assertions. And most flavors that support it (PHP, Python etc) require that look-behind portion to have a fixed length.
Atomic groups basically discards/forgets the subsequent tokens in the group once a token matches. Check this page for examples of atomic groups
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Don't Echo Out cURL
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Not the answer you're looking for? Browse other questions tagged php curl or ask your own question.
Outlook autocleaning my line breaks and screwing up my email format
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confirmed! Here regex as php snippet: $re = '/(?<!\t)((?<!\r)(?=\n)|(?=\r\n))/m'; $subst = " "; $MailText = preg_replace($re, $subst, $MailText);
– C4pt4inC4nn4...
Regular Expression for alphanumeric and underscores
...A-Z, a-z, or underscore (_).
Here is how you would do that:
Tested under php:
$regex = '/^[A-Za-z_][A-Za-z\d_]*$/'
or take this
^[A-Za-z_][A-Za-z\d_]*$
and place it in your development language.
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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 to validate a url in Python? (Malformed or not)
...t work for IPv6 urls, which have the form http://[2001:0DB8::3]:8080/index.php?valid=true#result
– cimnine
Feb 4 '18 at 20:42
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