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How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
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1137
First, it's always worth noting that git reset --hard is a potentially dangerous command, since...
How do I reword the very first git commit message?
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DouglasDouglas
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Docker: adding a file from a parent directory
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231
You can build the Dockerfile from the parent directory:
docker build -t <some tag> -f &l...
Map function in MATLAB?
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133
The short answer: the built-in function arrayfun does exactly what your map function does for n...
Convert pem key to ssh-rsa format
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132
No need to compile stuff. You can do the same with ssh-keygen:
ssh-keygen -f pub1key.pub -i
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How does the static modifier affect this code?
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DomiDomi
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add a comm...
Why is f(i = -1, i = -1) undefined behavior?
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+500
Since ...
How to Right-align flex item?
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Nitin Bisht
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answered Mar 15 '14 at 21:17
adriftadrift
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Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior c...
Coffeescript — How to create a self-initiating anonymous function?
...on use of do is capturing variables in a loop. For instance,
for x in [1..3]
do (x) ->
setTimeout (-> console.log x), 1
Without the do, you'd just be printing the value of x after the loop 3 times.
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