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Getting individual colors from a color map in matplotlib
...at value, we can do
rgba = cmap(0.5,bytes=True)
So to simplify the code based on answer from Ffisegydd, the code would be like this:
#import colormap
from matplotlib import cm
#normalize item number values to colormap
norm = matplotlib.colors.Normalize(vmin=0, vmax=1000)
#colormap possible val...
SQL: deleting tables with prefix
How to delete my tables who all have the prefix myprefix_ ?
10 Answers
10
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How to make an app's background image repeat
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the use of “assert” in Python?
...eter.
As for disabling them, when running python in optimized mode, where __debug__ is False, assert statements will be ignored. Just pass the -O flag:
python -O script.py
See here for the relevant documentation.
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Python JSON serialize a Decimal object
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The problem was that DecimalEncoder()._iterencode(decimal.Decimal('3.9')).next() returned the correct '3.9', but DecimalEncoder()._iterencode(3.9).next() returned a generator object which would only return '3.899...' when you piled on another .next(). Generator f...
How can I perform a str_replace in JavaScript, replacing text in JavaScript?
I want to use str_replace or its similar alternative to replace some text in JavaScript.
21 Answers
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How do I get a list of column names from a psycopg2 cursor?
...it’s not (easily) possible to get column names for views from information_schema.
– wjv
Jun 23 '16 at 7:30
6
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How to change Rails 3 server default port in develoment?
..."rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application', __FILE__)
require File.expand_path('../../config/boot', __FILE__)
# THIS IS NEW:
require "rails/commands/server"
module Rails
class Server
def default_options
...
Checking if form has been submitted - PHP
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For general check if there was a POST action use:
if (!empty($_POST))
EDIT: As stated in the comments, this method won't work for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
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Dynamically load JS inside JS [duplicate]
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and use it like:
if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.js', function(){
//Stuff to do after someScript has loaded
});
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