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Fastest way to check if a string is JSON in PHP?
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30 Answers
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Cartesian product of multiple arrays in JavaScript
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Efficient way to determine number of digits in an integer
...++;
}
return digits;
}
// partial specialization optimization for 32-bit numbers
template<>
int numDigits(int32_t x)
{
if (x == MIN_INT) return 10 + 1;
if (x < 0) return numDigits(-x) + 1;
if (x >= 10000) {
if (x >= 10000000) {
if (x >= 100...
Merging without whitespace conflicts
...ences even if one line has whitespace where the other line has none.
ks1322 adds in the comments a good advice:
It is worth to merge with --no-commit and review the merge before actual commit.
The OP Callum Macrae reports that, in that case, the merge proceed uninterrupted, and the trail...
TFS: Restore deleted folders and items
...n your current workspace).
NB. in newer versions of Visual Studio (eg. 2013) there is now a button to switch on display of deleted items in the Source Control Explorer's toolbar. Its the second button (here with the VS dark theme):
Alternatively using the TFS PowerToys you can look at history an...
process.env.NODE_ENV is undefined
..."development" mode
– Rocco
Sep 21 '13 at 20:53
1
For Linux, vi ~/.bash_profile, then insert NODE_...
Java: Getting a substring from a string starting after a particular character
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319
String example = "/abc/def/ghfj.doc";
System.out.println(example.substring(example.lastIndexOf...
Eclipse Workspaces: What for and why?
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43
I'll provide you with my vision of somebody who feels very uncomfortable in the Java world, whic...
C# DateTime.Now precision
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answered Jan 27 '10 at 0:36
Eric LippertEric Lippert
599k164164 gold badges11551155 silver badges20142014 bronze badges
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Add 2 hours to current time in MySQL?
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333
SELECT *
FROM courses
WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time
See Date and ...