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How can I get file extensions with JavaScript?
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How can I check if a Perl array contains a particular value?
... } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
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How to compare arrays in JavaScript?
... false;
}
//If the property is inherited, do not check any more (it must be equa if both objects inherit it)
if(!this.hasOwnProperty(propName))
continue;
//Now the detail check and recursion
//This returns the script back to the arr...
Microsoft CDN for jQuery or Google CDN? [closed]
...unless you're on a very overloaded server internally, no CDN will give you more performance than local 100mb/1GB ethernet will. If you use a CDN for a strictly internal application you're hurting performance. Set your cache expiration headers correctly and ignore CDNs exist in the intranet-only sc...
How do I determine whether my calculation of pi is accurate?
...putation goes bad, the digits at the end won't match.
This does typically more than double the amount of time needed (since the second algorithm is usually slower). But it's the only way to verify the computed digits once you've wandered into the uncharted territory of never-before-computed digits ...
MySQL Error 1215: Cannot add foreign key constraint
... @www.jensolsson.se You are correct, if the PK includes one or more string columns then they must use the same character set and collation. In this specific case the PK was an INT so the character set of the table and/or columns was not relevant.
– Ike Walker
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What are the best practices for using a GUID as a primary key, specifically regarding performance?
...5 MB)
TOTAL: 25 MB vs. 106 MB - and that's just on a single table!
Some more food for thought - excellent stuff by Kimberly Tripp - read it, read it again, digest it! It's the SQL Server indexing gospel, really.
GUIDs as PRIMARY KEY and/or clustered key
The clustered index debate continues
Ever...
Oracle SQL: Update a table with data from another table
...ng like @PaulKarr's loop -- and if there is not a unique correlation, then more than one target row may be updated for each source row.
– Andrew Leach
Dec 17 '13 at 16:12
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HTML5 best practices; section/header/aside/article elements
...are the only ones which don’t create sections themselves
There is one more thing to sections: the following contexts (i.e. elements) create "outline boundaries". Whatever sections they contain is private to them:
the document itself with <body>
table cells with <td>
<blockquote...
Argument list too long error for rm, cp, mv commands
...esses less than number of files (say number of files / 10, although likely more depending on the length of the paths). Assuming find does the deletion directly, using -delete should be the only process that would be invoked.
– neuralmer
Jul 6 '16 at 14:02
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