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Difference between `mod` and `rem` in Haskell
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20
I had the same question about rem and mod in Clojure, and this was the answer.
– noahlz
Jul 11 '12 at...
How to select only the first rows for each unique value of a column
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answered Jan 11 '11 at 20:50
gbngbn
382k7272 gold badges532532 silver badges629629 bronze badges
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How do I check out a specific version of a submodule using 'git submodule'?
...ing the change to the parent repository.
$ cd submodule
$ git checkout v2.0
Previous HEAD position was 5c1277e... bumped version to 2.0.5
HEAD is now at f0a0036... version 2.0
git-status on the parent repository will now report a dirty tree:
# On branch dev [...]
#
# modified: submodule (n...
Is there a way to rename an Xcode 4 scheme?
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edited Mar 18 '11 at 0:59
answered Mar 18 '11 at 0:54
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SQL query for today's date minus two months
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290
If you are using SQL Server try this:
SELECT * FROM MyTable
WHERE MyDate < DATEADD(month, -2...
How do I horizontally center a span element inside a div
...fff;
display: inline-block;
/* float:left; remove */
margin: 10px 10px 0 0;
padding: 5px 10px
}
http://jsfiddle.net/Adrift/cePe3/
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CSS - How to Style a Selected Radio Buttons Label?
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303
.radio-toolbar input[type="radio"] {
display: none;
}
.radio-toolbar label {
disp...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
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– Jonathan Leffler
Aug 1 '13 at 4:03
7
Technically, $(echo foo) creates a command substitution,...
Line-breaking widget layout for Android
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Since May 2016 there is new layout called FlexboxLayout from Google, which is highly configurable for purpose you want.
FlexboxLayout is in Google GitHub repository at https://github.com/google/flexbox-layout at this moment.
You can u...
Should I use multiplication or division?
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Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication is 33% faster
Lua:
time lua ...