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SQL SELECT speed int vs varchar
...e of different date types:
int fields occupy between 2 and 8 bytes, with 4 being usually more than enough ( -2147483648 to +2147483647 )
character types occupy 4 bytes plus the actual strings.
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Node.js Best Practice Exception Handling
... // no error occured, continue on
return x/y
}
}
// Divide 4/2
var result = divideSync(4,2)
// did an error occur?
if ( result instanceof Error ) {
// handle the error safely
console.log('4/2=err', result)
}
else {
// no error occured, continue on
console.log('4/2='+r...
MongoDB/Mongoose querying at a specific date?
...( //query today up to tonight
{"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}})
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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Josh StodolaJosh Stodola
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Best way to iterate through a Perl array
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In terms of speed: #1 and #4, but not by much in most instances.
You could write a benchmark to confirm, but I suspect you'll find #1 and #4 to be slightly faster because the iteration work is done in C instead of Perl, and no needless copying of the ...
uppercase first character in a variable with bash
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answered Sep 19 '12 at 1:41
Michael HoffmanMichael Hoffman
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Add one row to pandas DataFrame
...))
>>> df
lib qty1 qty2
0 name0 3 3
1 name1 2 4
2 name2 2 8
3 name3 2 1
4 name4 9 6
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How to add System.Windows.Interactivity to project?
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H.B.H.B.
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Simulator error FBSSystemServiceDomain code 4
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edited Dec 1 '14 at 11:23
Umar Farooq
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Customizing Bootstrap CSS template
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edited Dec 30 '11 at 4:36
answered Dec 29 '11 at 19:48
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