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Capture keyboardinterrupt in Python without try-except
...and wait forever using a threading.Event:
import signal
import sys
import time
import threading
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
print('Press Ctrl+C')
forever = threading.Event()
forever.wait()
...
Android error: Failed to install *.apk on device *: timeout
I'm getting this error from time to time and don't know what causing this:
When trying to run/debug an Android app on a real device (Galaxy Samsung S in my case) I'm getting the following error in the Console:
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Convert columns to string in Pandas
... to_json() probably does not call astype(str) as it leaves datetime64 and its subclasses as milliseconds since epoch.
– Sussch
Jul 10 '19 at 5:41
1
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sed in-place flag that works both on Mac (BSD) and Linux
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Note that -i and -i'' are identical at shell parsing time; sed can’t behave differently on those two first invocations, because it gets the exact same arguments.
– wchargin
Jun 4 '19 at 21:07
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Turn a string into a valid filename?
... valid_chars = frozenset(valid_chars) wouldn't hurt. It is 1.5 times faster if applied to allchars.
– jfs
Nov 17 '08 at 11:14
2
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How to extract the n-th elements from a list of tuples?
...[x[1] for x in elements]'
method2 = 'map(itemgetter(1), elements)'
import timeit
t = timeit.Timer(method1, setup)
print('Method 1: ' + str(t.timeit(100)))
t = timeit.Timer(method2, setup)
print('Method 2: ' + str(t.timeit(100)))
Results:
Method 1: 1.25699996948
Method 2: 1.46600008011
If you ...
How can I delete all Git branches which have been merged?
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PowerShell variant, so that I could find it here next time I googled the answer: git branch --merged | %{$_.trim()} | ?{$_ -notmatch 'develop' -and $_ -notmatch 'master'} | %{git branch -d $_}
– vorou
Dec 20 '15 at 8:12
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Save Screen (program) output to a file
...when "log on" is on the configuration file.
I couldn't find a list of the time format variables (like %m) used by screen. If you have a link of those formats, please post it bellow.
Extra
In case you want to do it "on the fly", you can use this script:
#!/bin/bash
if [[ $2 == "" ]]; then
ech...
jQuery animate backgroundColor
...ers. The color plugin has issues with Safari and Chrome. It only works sometimes.
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Parsing command-line arguments in C?
...dle most common sorts of command line parameters, and it can save a lot of time.
A gengetopt input file might look something like this:
version "0.1"
package "myApp"
purpose "Does something useful."
# Options
option "filename" f "Input filename" string required
option "verbose" v "Increase progra...