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How to sort a datafram>me m> by multiple column(s)
I want to sort a data.fram>me m> by multiple columns. For example, with the data.fram>me m> below I would like to sort by column z (descending) then by column b (ascending):
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
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I had the sam>me m> problem with slowness in IntelliJ 13 after upgrading from 12.
What worked for m>me m> was editing the idea64.vmoptions in the bin folder and setting the max heap to 8 GB (was 512 MB) and the Max PermGen to at least 1GB (was 300...
Android studio using > 100% CPU at all tim>me m>s - no background processes appear to be running
... noticed Android Studio (when running) uses greater than 100% CPU at all tim>me m>s, even when it appears there are no background processes that the IDE is running (indexing, etc). I might suspect this were som>me m>thing specific to my box, but som>me m> fellow developers are encountering this as well.
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Decode HTML entities in Python string?
I'm parsing som>me m> HTML with Beautiful Soup 3, but it contains HTML entities which Beautiful Soup 3 doesn't automatically decode for m>me m>:
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Can I replace groups in Java regex?
...cond group instead of (.*). * is a greedy matcher, and will at first consum>me m> the last digit. The matcher will then have to backtrack when it realizes the final (\d) has nothing to match, before it can match to the final digit.
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How do I 'overwrite', rather than 'm>me m>rge', a branch on another branch in Git?
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You can use the 'ours' m>me m>rge strategy:
$ git checkout staging
$ git m>me m>rge -s ours email # m>Me m>rge branches, but use our (=staging) branch head
$ git checkout email
$ git m>me m>rge staging
EDIT 2020-07-30:
I thought a bit more about this question and po...
How to run multiple shells on Emacs
...macs using M-x shell. I would like to have multiple shell windows in the sam>me m> tim>me m>, but typing M-x shell a second tim>me m> just opens m>me m> the sam>me m> shell window.
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Echo tab characters in bash script
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echo -e ' \t '
will echo 'space tab space newline' (-e m>me m>ans 'enable interpretation of backslash escapes'):
$ echo -e ' \t ' | hexdump -C
00000000 20 09 20 0a | . .|
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ipython reads wrong python version
... utf-8 -*-
import re
import sys
from IPython import start_ipython
if __nam>me m>__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
sys.exit(start_ipython())
And mine works properly like this, but my situation isn't exactly like the OP's.
Original answer -- 9...
Find XOR of all numbers in a given range
... 4 (starting at a multiple of 4), all the bits except the lowest are the sam>me m>, so they alternate between canceling each other or having their original value. It's true that the lowest bit cycles every 2, but 0^1 == 1 (i.e. they don't cancel). The reason the lowest two is special is because (00 ^ 01 ...