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Calculate difference between two datetimes in MySQL
... can use:
SELECT TIMESTAMPDIFF(SECOND, '2012-06-06 13:13:55', '2012-06-06 15:20:18')
In your case, the third parameter of TIMSTAMPDIFF function would be the current login time (NOW()). Second parameter would be the last login time, which is already in the database.
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Changing one character in a string
...= 'abcdefg'; s = list(text); s[6] = 'W'; ''.join(s)", number=1000000)
1.0411581993103027
Method 2 (FAST METHOD)
Given by this answer
text = 'abcdefg'
text = text[:1] + 'Z' + text[2:]
Which is much faster:
timeit.timeit("text = 'abcdefg'; text = text[:1] + 'Z' + text[2:]", number=1000000)
0.34...
Revert a range of commits in git
...mand shows the way.
– Tim Abell
May 15 '12 at 14:20
5
I refer back to this answer often, and it a...
Print JSON parsed object?
...ct: [Object obj]".
– Shahar
Jan 22 '15 at 2:13
25
@Shahar console.log("object: %O", obj) (Chrome)...
Removing duplicate rows in vi?
... Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
6
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How do I delete an item or object from an array using ng-click?
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edited Mar 5 '15 at 4:07
Andrew Swan
12.4k1818 gold badges6464 silver badges9696 bronze badges
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How does numpy.histogram() work?
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edited Feb 4 '12 at 15:31
answered Feb 4 '12 at 15:09
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Ruby: What is the easiest way to remove the first element from an array?
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edited May 26 '14 at 11:15
answered Sep 1 '10 at 7:05
Sjo...
Sorting a Python list by two fields
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edited Sep 4 '15 at 8:54
BrechtDeMan
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Failed to build gem native extension (installing Compass)
... on Ubuntu 14.04 LTS
– thomh
Feb 4 '15 at 16:01
30
Worked on CentOS with "yum install ruby-devel"...