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What are the differences between the threading and multiprocessing modules?
...nd a thread pool like this:
with concurrent.futures.ThreadPoolExecutor(max_workers=4) as executor:
executor.submit(job, argument)
executor.map(some_function, collection_of_independent_things)
# ...
You can even get the results of those jobs and pass them on to further jobs, wait for t...
How to delete last item in list?
... then:
#!/usr/bin/env python
# coding: utf-8
from timer import Timer
if __name__ == '__main__':
a, record = None, []
while not a == '':
with Timer() as t: # everything in the block will be timed
a = input('Type: ')
record.append(t.elapsed_s)
# drop the last...
Does Python have “private” variables in classes?
... want to emulate private variables for some reason, you can always use the __ prefix from PEP 8. Python mangles the names of variables like __foo so that they're not easily visible to code outside the class that contains them (although you can get around it if you're determined enough, just like you...
How to convert PascalCase to pascal_case?
...
Try this on for size:
$tests = array(
'simpleTest' => 'simple_test',
'easy' => 'easy',
'HTML' => 'html',
'simpleXML' => 'simple_xml',
'PDFLoad' => 'pdf_load',
'startMIDDLELast' => 'start_middle_last',
'AString' => 'a_string',
'Some4Numbers234' => 'som...
Flatten nested dictionaries, compressing keys
...ng the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = parent_key + sep + k if parent_key else k
if isinstance(v, collections.MutableMapping):
items.extend(flatten(v, new_key, sep=s...
How do I capture SIGINT in Python?
...ignal like this:
#!/usr/bin/env python
import signal
import sys
def signal_handler(sig, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
print('Press Ctrl+C')
signal.pause()
Code adapted from here.
More documentation on signal can be found here....
How to use custom packages
...
Using go 1.2 and I agree with @this.lau_
– canadadry
Mar 17 '14 at 20:30
8
...
Get model's fields in Django
...o list all of its fields. I've seen some examples of doing this using the _meta model attribute, but doesn't the underscore in front of meta indicate that the _meta attribute is a private attribute and shouldn't be accessed directly? ... Because, for example, the layout of _meta could change in th...
How to list branches that contain a given commit?
...gt; via email rather than pushing or pulling commits directly.
__*__*__*__*__> <upstream>
/
fork-point
\__+__+__-__+__+__-__+__> <head>
(Here, the commits marked '-' wouldn't show up with git cherry, meaning they are already present in <upstream&...
What does the PHP error message “Notice: Use of undefined constant” mean?
...
You should quote your array keys:
$department = mysql_real_escape_string($_POST['department']);
$name = mysql_real_escape_string($_POST['name']);
$email = mysql_real_escape_string($_POST['email']);
$message = mysql_real_escape_string($_POST['message']);
As is, it was looking ...