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Remove columns from dataframe where ALL values are NA
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How do you push a Git tag to a branch using a refspec?
I want to force push, for example, my tag 1.0.0 to my remote master branch.
4 Answers
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Python multiprocessing pool.map for multiple arguments
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Generate unique random numbers between 1 and 100
How can I generate some unique random numbers between 1 and 100 using JavaScript?
29 Answers
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Make a Bash alias that takes a parameter?
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2193
Bash alias does not directly accept parameters. You will have to create a function.
alias doe...
Homebrew install specific version of formula?
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2611
TLDR: brew install postgresql@8.4.4 See answer below for more details.
*(I’ve re-edited my...
Uninstall old versions of Ruby gems
...# choose which ones you want to remove
gem uninstall rjb
# remove version 1.1.9 only
gem uninstall rjb --version 1.1.9
# remove all versions less than 1.3.4
gem uninstall rjb --version '<1.3.4'
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iOS Image Orientation has Strange Behavior
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Code for Greatest Common Divisor in Python [closed]
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edited May 9 '19 at 22:14
answered Jun 24 '12 at 5:19
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Length of generator output [duplicate]
...ou have a lazy infinite generator? For example:
def fib():
a, b = 0, 1
while True:
a, b = b, a + b
yield a
This never terminates but will generate the Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know the ...