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What exactly is Python multiprocessing Module's .join() Method Doing?
...e this behavior by setting the daemon flag on the Process to True prior to starting the process:
p = Process(target=say_hello)
p.daemon = True
p.start()
# Both parent and child will exit here, since the main process has completed.
If you do that, the child process will be terminated as soon as th...
How to remove the left part of a string?
...
Starting in Python 3.9, you can use removeprefix:
'Path=helloworld'.removeprefix('Path=')
# 'helloworld'
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How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
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@fdrv You have to reset the lastIndex to zero before starting the loop: this.lastIndex = 0;
– C-F
Jun 15 '17 at 4:13
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MySQL connection not working: 2002 No such file or directory
...localhost you must use 127.0.0.1 instead." - php.net/manual/en/mysqli.quickstart.connections.php. So basically something is not working with connecting to the Unix domain sockets that allow localhost to work and TCP/IP is working so changing it to the TCP/IP address 127.0.0.1 will work.
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What are the differences between the threading and multiprocessing modules?
...mplementations don't have a GIL, like Jython.
** If you're using the fork start method for multiprocessing—which you can on most non-Windows platforms—each child process gets any resources the parent had when the child was started, which can be another way to pass data to children.
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jquery sortable placeholder height problem
...he height of the placeholder to the height of the item being sorted to the start event. It's a simple solution that gives you fine-grained control over how you want your placeholder to be displayed.
$( ".column" ).sortable({
connectWith: ".column",
start: function(e, ui){
ui.placeho...
How do I manage MongoDB connections in a Node.js web application?
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Open a new connection when the Node.js application starts, and reuse the existing db connection object:
/server.js
import express from 'express';
import Promise from 'bluebird';
import logger from 'winston';
import { MongoClient } from 'mongodb';
import config from './confi...
Launching Google Maps Directions via an intent on Android
...ttp://maps.google.com/maps?saddr=20.344,34.34&daddr=20.5666,45.345"));
startActivity(intent);
To start the navigation from the current location, remove the saddr parameter and value.
You can use an actual street address instead of latitude and longitude. However this will give the user a dial...
How to run a hello.js file in Node.js on windows?
... console.log('Server running at http://127.0.0.1:1337/');
Save the file
Start -> Run... -> cmd
c:
C:>node hello.js
Server running at http://127.0.0.1:1337/
That's it. This was done on Windows XP.
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Sort points in clockwise order?
...define where is the beginning of that order, I mean what angle will be the starting one (e.g. the positive half of x-axis).
The code for the comparison function can look like this:
bool less(point a, point b)
{
if (a.x - center.x >= 0 && b.x - center.x < 0)
return true;
...