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Most efficient way to reverse a numpy array
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244
When you create reversed_arr you are creating a view into the original array. You can then ch...
How to use my view helpers in my ActionMailer views?
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326
In the mailer class that you are using to manage your emails:
class ReportMailer < ActionMa...
not None test in Python [duplicate]
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edited May 23 '17 at 10:31
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answered Oct 19 '10 at 3:24
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Convert xlsx to csv in Linux with command line
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246
The Gnumeric spreadsheet application comes with a command line utility called ssconvert that c...
How to beautify JSON in Python?
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From the command-line:
echo '{"one":1,"two":2}' | python -mjson.tool
which outputs:
{
"one": 1,
"two": 2
}
Programmtically, the Python manual describes pretty-printing JSON:
>>> import json
>>> print json.dumps({'4': 5, '6': 7}, sort_ke...
Python: How would you save a simple settings/config file?
...elling reasons to use a different format.
Write a file like so:
# python 2.x
# from ConfigParser import SafeConfigParser
# config = SafeConfigParser()
# python 3.x
from configparser import ConfigParser
config = ConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main'...
orderBy multiple fields in Angular
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Please see this:
http://jsfiddle.net/JSWorld/Hp4W7/32/
<div ng-repeat="division in divisions | orderBy:['group','sub']">{{division.group}}-{{division.sub}}</div>
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Format JavaScript date as yyyy-mm-dd
I have a date with the format Sun May 11,2014 . How can I convert it to 2014-05-11 using JavaScript?
42 Answers
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How to filter a dictionary according to an arbitrary condition function?
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Nowadays, in Python 2.7 and up, you can use a dict comprehension:
{k: v for k, v in points.iteritems() if v[0] < 5 and v[1] < 5}
And in Python 3:
{k: v for k, v in points.items() if v[0] < 5 and v[1] < 5}
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Visual Studio displaying errors even if projects build
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