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What's the best way to parse command line arguments? [closed]
...y cool module for argument parsing called docopt. Here is an example taken from its documentation:
"""Naval Fate.
Usage:
naval_fate.py ship new <name>...
naval_fate.py ship <name> move <x> <y> [--speed=<kn>]
naval_fate.py ship shoot <x> <y>
naval_...
Can I query MongoDB ObjectId by date?
...do: Change ObjectId(hexSeconds + "0000000000000000"); to db.ObjectID.createFromHexString(hexSeconds + "0000000000000000");
– Anders Östman
Dec 3 '13 at 9:08
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Ruby: How to turn a hash into HTTP parameters?
...
Update: This functionality was removed from the gem.
Julien, your self-answer is a good one, and I've shameless borrowed from it, but it doesn't properly escape reserved characters, and there are a few other edge cases where it breaks down.
require "addressable/...
Android Fragment onClick button Method
...you should design for reuse and
avoid directly manipulating one fragment from another fragment.
A possible workaround would be to do something like this in your MainActivity:
Fragment someFragment;
...onCreate etc instantiating your fragments
public void myClickMethod(View v){
someFra...
String's Maximum length in Java - calling length() method
...rray; the components of
the array are referenced using integer
indices from 0 to n - 1, inclusive.
Furthermore, the indexing must be by int values, as mentioned in Section 10.4:
Arrays must be indexed by int values;
Therefore, it appears that the limit is indeed 2^31 - 1, as that is the ...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...the lock to act on, there is no meaningful data going into it. The exit is from the part inside the ( ). When the subprocess ends, the lock is automatically released, because there is no process holding it.
– clacke
Jun 18 '15 at 10:46
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How do I download a file over HTTP using Python?
I have a small utility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes.
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knitr Markdown highlighting in Emacs?
...ter markdown.el. Besides, if all you want is to just switch the ESS engine from Sweave to knitr (without highlighting!), there is no need to go through all the complication of this article, just add (setq ess-swv-processor 'knitr) in you init file.
– antonio
De...
C++11 features in Visual Studio 2012
...hat was not part of Visual Studio 2010:
rvalue references to version 2.1 from 2.0
lambdas to version 1.1 from 1.0.
decltype to version 1.1 from 1.0(not yet available in developer preview)
Improved, but still incomplete, Alignment
completed strongly-typed enums
forward declared enums
Standard layou...
Programmatically find the number of cores on a machine
Is there a way to determine how many cores a machine has from C/C++ in a platform-independent way? If no such thing exists, what about determining it per-platform (Windows/*nix/Mac)?
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