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How do I get a file extension in PHP?
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28 Answers
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Maximum Year in Expiry Date of Credit Card
...her the transaction is approved or not so I wouldn't worry about it.
July 2017: Just had an end user with a card that expired almost 50 years from now.
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How to embed a video into GitHub README.md?
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127
The "Github Flavored Markdown" doesn't support this kind of feature for any page:
An old suppor...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...o longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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How to undo 'git reset'?
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2484
Short answer:
git reset 'HEAD@{1}'
Long answer:
Git keeps a log of all ref updates (e.g.,...
Getting all names in an enum as a String[]
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20 Answers
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Rails: How to get the model class name based on the controller class name?
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edited Jul 21 '11 at 2:35
answered Jul 21 '11 at 1:08
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Merge cells using EPPlus?
...osite? Unmerge cells.
– NikosV
Sep 12 '18 at 15:41
How do I merge columns on the basis of condition?
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ASP.NET Bundles how to disable minification
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Kit Law
1311 silver badge22 bronze badges
answered Aug 14 '12 at 21:13
Hao KungHao Kung
27k66 gold badg...
Difference between python3 and python3m executables
...ct allocator written by Vladimir
Marangozov, was a feature added to Python 2.1. Pymalloc is intended to
be faster than the system malloc() and to have less memory overhead
for allocation patterns typical of Python programs. The allocator uses
C's malloc() function to get large pools of memory and th...