fntlnz

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

singingwolfboy

# Want to run your Flask tests with CSRF protections turned on, to make sure
# that CSRF works properly in production as well? Here's an excellent way
# to do it!

# First some imports. I'm assuming you're using Flask-WTF for CSRF protection.
import flask
from flask.testing import FlaskClient as BaseFlaskClient
from flask_wtf.csrf import generate_csrf

# Flask's assumptions about an incoming request don't quite match up with

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

evantoli

Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like:

joepie91

Don't use VPN services.

No, seriously, don't. You're probably reading this because you've asked what VPN service to use, and this is the answer.

Note: The content in this post does not apply to using VPN for their intended purpose; that is, as a virtual private (internal) network. It only applies to using it as a glorified proxy, which is what every third-party "VPN provider" does.

• A Russian translation of this article can be found here, contributed by Timur Demin.
• A Turkish translation can be found here, contributed by agyild.
• There's also this article about VPN services, which is honestly better written (and has more cat pictures!) than my article.

carlbennett

# Fix user and directory permissions:
find . -type f -print0 | sudo xargs -0 chmod 664
find . -type d -print0 | sudo xargs -0 chmod 775

# Copy user permissions to group permissions:
chmod -R g=u .

# Make new files inherit the group of the container directory
chmod g+s <directory>

michaellihs

SSH Server with the Python Twisted Library

Installing the library

Assuming you have Python installed on your system:

pip install twisted
pip install pyOpenSSL
pip install service_identity

Vestride

Encoding Video

Installing

Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.

brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus

allhailwesttexas

{% macro render_pagination(pagination, endpoint) %}

  <ul class="pagination">

    {% if pagination.has_prev %}
      <li>
        <a href="{{ url_for(endpoint, page=pagination.prev_num) }}" aria-label="Previous">
          <span aria-hidden="true">&laquo;</span>
        </a>
      </li>

tcalmant

#!/usr/bin/python3
# -- Content-Encoding: UTF-8 --
"""
Small script which is able to look for and install packages targeting another
platform, using pip.

This simplifies the creation of distribution files for different platform.

Only works for Python 3.4 downloads.