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I'm getting Key error in python
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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...
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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SQL: deleting tables with prefix
...e MySQL to construct the statement for you:
In the MySQL shell or through PHPMyAdmin, use the following query
SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' )
AS statement FROM information_schema.tables
WHERE table_name LIKE 'myprefix_%';
This will generate a DROP stateme...
Change auto increment starting number?
...T value, but it has been fixed in 5.6.16 and 5.7.4, see bugs.mysql.com/bug.php?id=69882
– Daniel Vandersluis
Apr 9 '14 at 14:35
3
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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:
Installing SciPy with pip
...ding http://www.scipy.org
Reading http://sourceforge.net/project/showfiles.php?group_id=27747&package_id=19531
Reading http://new.scipy.org/Wiki/Download
All is not lost, however; pip can install from Subversion (SVN), Git, Mercurial, and Bazaar repositories. SciPy uses SVN:
pip install svn+h...
How do I make a transparent border with CSS?
....
http://www.researchkitchen.de/blog/archives/css-bordercolor-transparent.php
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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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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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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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