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Return multiple columns from pandas apply()

I have a pandas DataFrame, df_test . It contains a column 'size' which represents size in bytes. I've calculated KB, MB, and GB using the following code: ...
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How do I flush the PRINT buffer in TSQL?

...ed procedure, flushing output is triggered by the GO command, e.g. print 'test' print 'test' go In general, my conclusion is following: output of mssql script execution, executing in SMS GUI or with sqlcmd.exe, is flushed to file, stdoutput, gui window on first GO statement or until the end of th...
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Easiest way to compare arrays in C#

...) == array2.Count() && !array1.Except(array2).Any(); } } The test code looks like: class Program { static void Main(string[] args) { int[] a1 = new int[] { 1, 2, 3 }; int[] a2 = new int[] { 3, 2, 1 }; int[] a3 = new int[] { 1, 3 }; int[] a4 = nu...
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Can I install the “app store” in an IOS simulator?

...tor in my computer doesn't have app store. I want to use the app store to test a program I wrote on my simulator. 3 Answ...
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Why (0-6) is -6 = False? [duplicate]

...ached as global objects sharing the same address with CPython, thus the is test passes. This artifact is explained in detail in http://www.laurentluce.com/posts/python-integer-objects-implementation/, and we could check the current source code in http://hg.python.org/cpython/file/tip/Objects/longob...
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?

...the next batch, execution of the script will not stop. I often use this in testing. I will start the script with begin transaction and end with rollback, doing all the testing in the middle: begin transaction go ... test code here ... go rollback transaction That way I always return to the starti...
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Run task only if host does not belong to a group

...is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables : group_names is a list (array) of all the groups the current host is in. ...
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Hosting Git Repository in Windows

... start the service: cygrunsrv --start gitd You are done. If you want to test it, here is a quick and dirty script that shows that you can push over the git protocol to your local machine: #!/bin/bash echo "Creating main git repo ..." mkdir -p /git/testapp.git cd /git/testapp.git git init --bare...
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How to jump to a particular line in a huge text file?

... I've done some testing here, and setting it to -1 (os default, often 8k, but often hard to tell), seems to be about as fast as it gets. That said, part of that may be that I'm testing on a virtual server. – Oscar Smith...
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Why is === faster than == in PHP?

...d be nice if someone adds also a reference to some real simple performance tests. – Marco Demaio Dec 31 '10 at 12:37 4 ...