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Python argparse mutual exclusive group

... add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options within the group mutually exclusive. What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have: p...
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Importing from a relative path in Python

...his method is still commonly used in some situations, where you aren't actually ever 'installing' your package. For example, it's popular with Django users. You can add Common/ to your sys.path (the list of paths python looks at to import things): import sys, os sys.path.append(os.path.join(os.p...
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How to reset db in Django? I get a command 'reset' not found error

... It looks like the 'flush' answer will work for some, but not all cases. I needed not just to flush the values in the database, but to recreate the tables properly. I'm not using migrations yet (early days) so I really needed to drop all the tables. Two ways I've found to drop all ...
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Does Swift have documentation generation support?

Many languages support documentation comments to allow a generator (like javadoc or doxygen ) to generate code documentation by parsing that same code. ...
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List of standard lengths for database fields

... [N]Varchar sizes do however, affect your indexes. – RBarryYoung Nov 7 '13 at 22:37 add a comment  |  ...
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How to secure an ASP.NET Web API [closed]

...ure my WebApi with 2-Legged OAuth. I have also successfully tested it with PHP clients. It's quite easy to add support for OAuth using this library. Here's how you can implement the provider for ASP.NET MVC Web API: 1) Get the source code of DevDefined.OAuth: https://github.com/bittercoder/DevDefi...
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Output of git branch in tree like fashion

...s NOT merged in (1 commit ahead) - put labels before subject in thread index view [790b64d] (marka@...; 4 weeks ago) {x} origin/enclosed-message-display-tweaks merged in (x) experiment merged in (only locally) NOTE: working directory contains modified files git-wtf shows you: How y...
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How to make overlay control above all other controls?

...Canvas or Grid in your layout, give the control to be put on top a higher ZIndex. From MSDN: <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample"> <Canvas> <Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Can...
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Get the distance between two geo points

...at's a brute-force approach in O(n). For a O(1) solution, use a 2D spatial index to trim the potential matches before computing the exact solution. We're leaving the scope of this question :) – Laurent Grégoire Dec 28 '12 at 11:50 ...
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Unix - create path of folders and file

...her/path/here && touch $_/cpredthing.txt. The $_ expands to essentially the "last argument in the last command executed". – Sgnl Apr 19 '16 at 1:37 4 ...