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Is there a way to detach matplotlib plots so that the computation can continue?
...rocessing import Process
from matplotlib.pyplot import plot, show
def plot_graph(*args):
for data in args:
plot(data)
show()
p = Process(target=plot_graph, args=([1, 2, 3],))
p.start()
print 'yay'
print 'computation continues...'
print 'that rocks.'
print 'Now lets wait for the g...
How to elegantly deal with timezones
..., now at 9:25 AM in China, Website hosted in USA, date saved in UTC at database, here is the final result:
5/9/2013 6:25:58 PM (Server - in USA)
5/10/2013 1:25:58 AM (Database - Converted UTC)
5/10/2013 9:25:58 AM (Local - in China)
EDIT
Thanks to Matt Johnson for pointing out the weak parts of...
Authoritative position of duplicate HTTP GET query keys
... will give you always the last and Java (at least the system I worked with based on Java) always the first value. stackoverflow.com/questions/1809494/…
– SimonSimCity
Mar 8 '12 at 7:33
...
Add Foreign Key to existing table
...
To add a foreign key (grade_id) to an existing table (users), follow the following steps:
ALTER TABLE users ADD grade_id SMALLINT UNSIGNED NOT NULL DEFAULT 0;
ALTER TABLE users ADD CONSTRAINT fk_grade_id FOREIGN KEY (grade_id) REFERENCES grades(id);
...
Getting a map() to return a list in Python 3.x
...o be ASCII/latin-1 is to do bulk conversions at the C layer: bytes(sequence_of_ints_in_range_0_to_256).decode('latin-1') which makes a str faster by avoiding Python function calls for each element in favor of a bulk conversion of all elements using only C level function calls. You can wrap the above...
Java Equivalent of C# async/await?
...letableFuture<T> (the Java 8 equivalent to .net Task<TResult>) based solution to process the Http request asynchronously.
UPDATED on 25-05-2016 to AsyncHttpClient v.2 released on Abril 13th of 2016:
So the Java 8 equivalent to the OP example of AccessTheWebAsync() is the following:
C...
Append column to pandas dataframe
... 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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sphinx-build fail - autodoc can't import/find module
..., /docs, ... you might to use sys.path.append(os.path.join(os.path.dirname(__name__), '..')) and then use .. automodule:: app in your .rst-file.
– fnkr
Sep 16 '15 at 9:56
...
How can I get the current screen orientation?
...
This only provides two values ORIENTATION_PORTRAIT and ORIENTATION_LANDSCAPE. Is there a way to get all the four values from ActivityInfo? (That is LANDSCAPE_REVERSE and PORTRAIT_REVERSE as well)
– HRJ
May 4 '11 at 9:56
...
PHP check whether property exists in object or class
...
property_exists( mixed $class , string $property )
if (property_exists($ob, 'a'))
isset( mixed $var [, mixed $... ] )
if (isset($ob->a))
isset() will return false if property is null
Example 1:
$ob->a = null
var_du...