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What's the best way to parse command line arguments? [closed]
... arguments passed to the script (sys.argv[1:])
options.query will then be set to the value you passed to the script.
You create a parser simply by doing
parser = optparse.OptionParser()
These are all the basics you need. Here's a complete Python script that shows this:
import optparse
parser...
How to document Python code with doxygen [closed]
...rticular Python output mode, but you can apparently improve the results by setting OPTMIZE_OUTPUT_JAVA to YES.
Honestly, I'm a little surprised at the difference - it seems like once doxygen can detect the comments in ## blocks or """ blocks, most of the work would be done and you'd be able to use ...
Why does Python print unicode characters when the default encoding is ASCII?
...eme currently stored in sys.stdout.encoding. Python actually picks up this setting from the environment it's been initiated from. If it can't find a proper encoding from the environment, only then does it revert to its default, ASCII.
For example, I use a bash shell which encoding defaults to UTF-8...
How do I record audio on iPhone with AVAudioRecorder?
...t format, especially an encoded one, make sure you fully understand how to set the AVAudioRecorder settings (read carefully the audio types documentation), otherwise you will never be able to initialize it correctly. One more thing. In the code, I am not showing how to handle metering data, but you ...
Find a pair of elements from an array whose sum equals a given number
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@jazzz I mean HashMap here, though HashSet will also do. Here is the implementation - github.com/kinshuk4/AlgorithmUtil/blob/master/src/com/vaani/…. Hope it helps.
– kinshuk4
Oct 6 '18 at 16:27
...
Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
...om cmd or powershell to see the output.
Check BIOS
go into BIOS/UEFI setup and look for settings like VT-x, VT-d, Virtualization Technology, Hardware Virtualization and make sure it is Enabled. If the option is not there, check with your manufacturer and model to make sure it is supported.
Di...
Pretty printing JSON from Jackson 2.2's ObjectMapper
...
You can enable pretty-printing by setting the SerializationFeature.INDENT_OUTPUT on your ObjectMapper like so:
mapper.enable(SerializationFeature.INDENT_OUTPUT);
share
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When do we need curly braces around shell variables?
...That's too subtle and it does make to explicitly use {} in such contexts:
set app # set $1 to app
fruit=$1le # sets fruit to apple, but confusing
fruit=${1}le # sets fruit to apple, makes the intention clear
See:
Allowed characters in Linux environment variable names
...
Programmatically scroll a UIScrollView
...roll view with one of the following statements in Objective-C
[scrollView setContentOffset:CGPointMake(x, y) animated:YES];
or Swift
scrollView.setContentOffset(CGPoint(x: x, y: y), animated: true)
See the guide "Scrolling the Scroll View Content" from Apple as well.
To do slideshows with UIS...
Reference - What does this error mean in PHP?
...asily done by adding at the top of the script the following PHP code:
ini_set('display_errors', 1); error_reporting(~0);
The code will turn on the display of errors and set reporting to the highest level.
Since the ini_set() is executed at runtime it has no effects on parsing/syntax errors. Thos...