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gunicorn autoreload on source change
...to sudoers. Allow it to run sudo supervisorctl without password. https://www.cyberciti.biz/faq/linux-unix-running-sudo-command-without-a-password/
From my local / development server, I set up git remote that allows me to push to the production server
git remote add production ssh://user_name@pro...
How to read XML using XPath in Java
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If you have a xml like below
<e:Envelope
xmlns:d = "http://www.w3.org/2001/XMLSchema"
xmlns:e = "http://schemas.xmlsoap.org/soap/envelope/"
xmlns:wn0 = "http://systinet.com/xsd/SchemaTypes/"
xmlns:i = "http://www.w3.org/2001/XMLSchema-instance">
<e:Header>
...
Sublime Text 2: Trim trailing white space on demand
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I found a soulution here:
http://www.sublimetext.com/forum/viewtopic.php?f=4&t=4958
You can modify the package
trim_trailing_white_space.py
located in the default packages directory, this way:
import sublime, sublime_plugin
def trim_trailing_white...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...ow you to pool connections at the database level using PGBouncer.
https://www.lewagon.com/blog/how-to-migrate-heroku-postgres-database-to-amazon-rds
UPDATE:
Heroku responded to my open ticket and stated that my database was improperly load balanced in their network. They said that improvements t...
What does value & 0xff do in Java?
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From http://www.coderanch.com/t/236675/java-programmer-SCJP/certification/xff
The hex literal 0xFF is an equal int(255). Java represents int as 32 bits. It look like this in binary:
00000000 00000000 00000000 11111111
When you do a b...
Most common way of writing a HTML table with vertical headers?
...y your headings will also be interpreted right on screen readers.
https://www.w3.org/WAI/tutorials/tables/one-header/#table-with-header-cells-in-the-first-column-only
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What do the python file extensions, .pyc .pyd .pyo stand for?
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Also for some further discussion on .pyc vs .pyo, take a look at: http://www.network-theory.co.uk/docs/pytut/CompiledPythonfiles.html (I've copied the important part below)
When the Python interpreter is invoked with the -O flag, optimized code is generated and stored in ‘.pyo’ files. T...
How to use WinForms progress bar?
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Hey there's a useful tutorial on Dot Net pearls: http://www.dotnetperls.com/progressbar
In agreement with Peter, you need to use some amount of threading or the program will just hang, somewhat defeating the purpose.
Example that uses ProgressBar and BackgroundWorker: C#
using ...
Resize image in PHP
...imon Jarvis
* Copyright: 2006 Simon Jarvis
* Date: 08/11/06
* Link: http://www.white-hat-web-design.co.uk/blog/resizing-images-with-php/
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software...
What are the differences between the different saving methods in Hibernate?
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This link explains in good manner :
http://www.stevideter.com/2008/12/07/saveorupdate-versus-merge-in-hibernate/
We all have those problems that we encounter just infrequently enough that when we see them again, we know we’ve solved this, but can’t remember how.
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