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Dev and Debugging Tools

Python

The debugger is called pdb:

python -m pdb myscript.py

Read more here

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Sphinx

Check installation:

$ python -c 'import sphinx; print sphinx.__version__'

Follow the installation instructions, install by:

$ easy_install -U Sphinx

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Deploy Django

Gunicorn

The Gunicorn "Green Unicorn" is a Python Web Server Gateway Interface (WSGI) HTTP server. Recommended to use with nginx.

Check version

gunicorn -v

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CA configuration file

Instructions of this file based on: https://www.kevinleary.net/self-signed-trusted-certificates-node-js-express-js/

wget https://raw.githubusercontent.com/anders94/https-authorized-clients/master/keys/ca.cnf

[ ca ]
default_ca      = CA_default

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Chrome

Stop redirect from http to https

1. Delete domain security policies chrome://net-internals/#hsts Enter domain name under "Delete domain security policies" and press the Delete button.
2. Clear browsing data Settings > Show advanced settings… > Privacy > Clear browsing data https://superuser.com/q/565409/273113

stop redirect from http to https

chrome://net-internals/#hsts

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PostgreSQL commands

sudo -u postgres psql

help

\?

list database

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Tmux

Ctrl+b = C-b

Ctrl+b " = Ctrl+b release, then press shift + '.

Splite pane

Ctrl+b " — split pane vertically.

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Windows Tips

Copy both the path and the file name to the clipboard

Shift key down and then right-click the file name, choose "copy as path".

Settings

Windows Key + i

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Apache Web Server

Ubuntu

apt-get install apache2

Suppress warning message Could not reliably determine the server's fully qualified domain name

Add at the bottom of /etc/apache2/apache2.conf

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Jquery

https://www.w3schools.com/jquery/jquery_examples.asp

<script
  src="https://code.jquery.com/jquery-3.3.1.min.js"
  integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
  crossorigin="anonymous"></script>