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Finding out the name of the original repository you cloned from in Git
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edited Oct 9 '19 at 12:43
Peter Mortensen
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ios app maximum memory budget
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2
It's just that we wanted to put as much stuff as we could (graphics & sounds). Artists will always want to put as much as they possibly ...
Sorting list based on values from another list?
...", "b", "c", "d", "e", "f", "g", "h", "i"]
Y = [ 0, 1, 1, 0, 1, 2, 2, 0, 1]
Z = [x for _,x in sorted(zip(Y,X))]
print(Z) # ["a", "d", "h", "b", "c", "e", "i", "f", "g"]
Generally Speaking
[x for _, x in sorted(zip(Y,X), key=lambda pair: pair[0])]
Explained:
zip the two li...
How to redirect stderr and stdout to different files in the same line in script?
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294
Just add them in one line command 2>> error 1>> output
However, note that >>...
How to validate an Email in PHP?
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277
You can use the filter_var() function, which gives you a lot of handy validation and sanitizat...
Random record in ActiveRecord
... a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
25 Answers
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What does the star operator mean, in a function call?
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932
The single star * unpacks the sequence/collection into positional arguments, so you can do this:...
How do I run multiple background commands in bash in a single line?
...background and run sequentially, you would do something like this:
(sleep 2; sleep 3) &
If, on the other hand, you would like them to run in parallel in the background, you can instead do this:
sleep 2 & sleep 3 &
And the two techniques could be combined, such as:
(sleep 2; echo f...
Functions that return a function
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123
Assigning a variable to a function (without the parenthesis) copies the reference to the functi...