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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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The newest versions of pandas now include a built-in function for iterating over rows.
for index, row in df.iterrows():
# do some logic here
Or, if you want it faster use itertuples()
But, unutbu's suggestion to use numpy functions to avoid iter...
Wireshark localhost traffic capture [closed]
...1 metric 1
http://forums.whirlpool.net.au/archive/1037087, accessed just now.
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PostgreSQL - Rename database
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AND datname = 'name of database';
-- rename the database (it should now have zero clients)
ALTER DATABASE "name of database" RENAME TO "new name of database";
Note that table pg_stat_activity column pid was named as procpid in versions prior to 9.2. So if your PostgreSQL version is lower th...
getExtractedText on inactive InputConnection warning on android
...za not necessarily other app. I have added ArrayAdapter with sqlite and am now getting this warning on phone as well. I guess you see no errors on emulator is because it is being slow and performance thresholds are being disabled as a consequence.
– alandarev
M...
Use a LIKE statement on SQL Server XML Datatype
... @Squazz You last voted on this answer yesterday. Your vote is now locked in unless this answer is edited. :)
– digz6666
May 11 '17 at 12:38
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Reverting a single file to a previous version in git [duplicate]
...work tree, along with some metadata (e.g. commit message). So, we have to know which commit has the version of the file we want. Once we know that, we'll need to make a new commit reverting the file to that state. (We can't just muck around with history, because we've already pushed this content, an...
bash assign default value
...stead of the longer LONG_VARIABLE_NAME=${LONG_VARIABLE_NAME:-hello} , but now bash also tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful?
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Knight's Shortest Path on Chessboard
...ely bewildered at. However, I feel as though it's a concept I should learn now rather than cross my fingers that it never comes up.
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How can I tell if my server is serving GZipped content?
I have a webapp on a NGinx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results?
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Determining the current foreground application from a background task or service
I wish to have one application that runs in the background, which knows when any of the built-in applications (messaging, contacts, etc) is running.
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