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How do I get the row count of a pandas DataFrame?

...er, there are notable performance differences ( len(DataFrame.index) is fastest). Code to reproduce the plot: import numpy as np import pandas as pd import perfplot perfplot.save( "out.png", setup=lambda n: pd.DataFrame(np.arange(n * 3).reshape(n, 3)), n_range=[2**k for k in range(25...
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What is the purpose of “android.intent.category.DEFAULT”?

... it and it does not work without DEFAULT category. If you don't believe me test for yourself. – Bob Ueland Dec 19 '15 at 14:40 2 ...
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git-upload-pack: command not found, when cloning remote Git repo

... keep two copies of my project in sync, one is my local box, the other the test server. This is an issue which occurs when I log onto our remote development server using ssh; ...
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apache to tomcat: mod_jk vs mod_proxy

...theory, it's suppose to provide better performance. I've never performance tested AJP vs HTTP proxying though. – Taylor Leese Aug 28 '09 at 7:20 add a comment ...
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How can I push a specific commit to a remote, and not previous commits?

...mmits which are later than the remote HEAD", I don't think this is true. I tested and was able to rebase past the remote HEAD. – Samuel Jan 15 '16 at 14:53 ...
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Is there a way to provide named parameters in a function call in JavaScript?

...rom having no value at all). That means you cannot use arguments.length to test how many arguments have been passed. Instead of having a function creating the wrapper, you could also have a function which accepts a function and various values as arguments, such as call(func, a, b, {posArg: ... ...
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Exposing a port on a live Docker container

...ons of packages in a slow network. By running docker commit I was ready to test the application again instead of spending hours to reinstall everything. – gustavohenke Aug 30 '16 at 18:48 ...
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Possible to access the index in a Hash each loop?

...of key+value pair, so using it as an index in hash is wrong. Have you ever tested it? – SasQ Aug 23 '13 at 5:28 add a comment  |  ...
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Has Facebook sharer.php changed to no longer accept detailed parameters?

... If you encode the & in your URL to %26 it works correctly. Just tested and verified. share | improve this answer | follow | ...
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Is there a .NET/C# wrapper for SQLite? [closed]

...ite .NET Standard Nuget package, but it failed on a handful of integration tests in the AsyncPoco Github library. After switching to System.Data.SQLite, everything worked perfectly. – Lee Grissom Jul 25 '17 at 17:00 ...