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Most efficient way to convert an HTMLCollection to an Array
Is there a more efficient way to convert an HTMLCollection to an Array, other than iterating through the contents of said collection and manually pushing each item into an array?
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Regular Expression for alphanumeric and underscores
...tter
0-9 : any digit
_ : underscore
] : end of character group
* : zero or more of the given characters
$ : end of string
If you don't want to allow empty strings, use + instead of *.
As others have pointed out, some regex languages have a shorthand form for [a-zA-Z0-9_]. In the .NET regex lang...
When do I really need to use atomic instead of bool? [duplicate]
...th wider ramifications (e.g. restrictions on compiler re-ordering). Furthermore, some operations (like negation) are overloaded on the atomic operation to create a distinctly different instruction on the hardware than the native, non-atomic read-modify-write sequence of a non-atomic variable.
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Should programmers use SSIS, and if so, why? [closed]
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With the trouble I've had with SSIS, I would have given a more biased answer (as if you couldn't tell from the tonality of my question :)). Nice answer, Kevin.
– Charles
Sep 19 '10 at 23:07
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Extending the User model with custom fields in Django
...User model is not always appropriate. For instance, on some sites it makes more sense to use an email address as your identification token instead of a username.
[Ed: Two warnings and a notification follow, mentioning that this is pretty drastic.]
I would definitely stay away from changing the actu...
Get table names using SELECT statement in MySQL
...ion_schema.tables
WHERE table_schema = 'your_database_name';
For more details see: http://dev.mysql.com/doc/refman/5.0/en/information-schema.html
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Maximum number of records in a MySQL database table
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How to calculate the CPU usage of a process by PID in Linux from C?
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To people seeking for more information about the fields: man proc is your friend (search for /proc/[pid]/stat)
– redShadow
Jun 28 '13 at 23:24
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Mutable vs immutable objects
...e able to look at a piece of code and easily understand what it does. But more important than that, you should be able to convince yourself that it does what it does correctly. When objects can change independently across different code "domains", it sometimes becomes difficult to keep track of wh...
Should it be “Arrange-Assert-Act-Assert”?
... recommended).
Normally, I don't use this pattern myself, since I find it more correct to write a specific test that validates whatever precondition I feel the need to ensure. Such a test should always fail if the precondition fails, and this means that I don't need it embedded in all the other tes...