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@simonw
simonw / recover_source_code.md
Last active Jun 19, 2019
How to recover lost Python source code if it's still resident in-memory
View recover_source_code.md

How to recover lost Python source code if it's still resident in-memory

I screwed up using git ("git checkout --" on the wrong file) and managed to delete the code I had just written... but it was still running in a process in a docker container. Here's how I got it back, using https://pypi.python.org/pypi/pyrasite/ and https://pypi.python.org/pypi/uncompyle6

Attach a shell to the docker container

Install GDB (needed by pyrasite)

apt-get update && apt-get install gdb
@cirrusUK
cirrusUK / pac.sh
Created Mar 11, 2014
shell script to show terminal colours, based on the arcade game pacman
View pac.sh
#!/bin/sh
# ANSI Color -- use these variables to easily have different color
# and format output. Make sure to output the reset sequence after
# colors (f = foreground, b = background), and use the 'off'
# feature for anything you turn on.
initializeANSI()
{
esc=""
@wbroek
wbroek / genymotionwithplay.txt
Last active Aug 21, 2019
Genymotion with Google Play Services for ARM
View genymotionwithplay.txt
NOTE: Easier way is the X86 way, described on https://www.genymotion.com/help/desktop/faq/#google-play-services
Download the following ZIPs:
ARM Translation Installer v1.1 (http://www.mirrorcreator.com/files/0ZIO8PME/Genymotion-ARM-Translation_v1.1.zip_links)
Download the correct GApps for your Android version:
Google Apps for Android 6.0 (https://www.androidfilehost.com/?fid=24052804347835438 - benzo-gapps-M-20151011-signed-chroma-r3.zip)
Google Apps for Android 5.1 (https://www.androidfilehost.com/?fid=96042739161891406 - gapps-L-4-21-15.zip)
Google Apps for Android 5.0 (https://www.androidfilehost.com/?fid=95784891001614559 - gapps-lp-20141109-signed.zip)
@mikedamage
mikedamage / email-ping.rb
Last active May 27, 2019
Ping an email address to see if it exists. This script resolves MX records to find the SMTP server responsible for delivering mail to the address, connects to it, and starts to send a message to the address. It disconnects before the message is sent.
View email-ping.rb
#!/usr/bin/env ruby
#
# = Email Ping
#
# Check to see if an email address exists by looking up MX records and connecting
# to the address's home SMTP server. It then starts to send a message to the address
# but quits before the message is actually sent.
require 'resolv'
require 'net/smtp'
@ColtonProvias
ColtonProvias / gist:5079405
Created Mar 4, 2013
S3 uploader for Python 3
View gist:5079405
"""
S3 Uploader for Python 3
Colton J. Provias
Usage:
f = open('sample.png', 'rb')
contents = f.read()
response, url = upload_to_s3('AWSKEY', 'AWSSECRET', 'mybucket', 'image.png', contents, 'image/png')
"""
View learning-django.md

Where people struggle learning Django

Over the last 3 years or so I've helped a bunch of companies, small and large, switch to Django. As part of that, I've done a lot of teaching Django (and Python) to people new to the platform (and language). I'd estimate I've trained something around 200-250 people so far. These aren't people new to programming — indeed, almost all of them are were currently employed as software developers — but they were new to Python, or to Django, or to web development, or all three.

In doing so, I've observed some patterns about what works and what doesn't. Many (most) of the failings have been my own pedagogical failings, but as I've honed my coursework and my skill I'm seeing, time and again, certain ways that Django makes itself difficult to certain groups of users.

This document is my attempt at organizing some notes around what ways different groups struggle. It's not particularly actionable — I'm not making any arguments about what Django should or shouldn't do (at least

@Paretzky
Paretzky / gist:4105017
Created Nov 18, 2012
Total the Number of Pages in All Pdf's in the Current Directory Recursively
View gist:4105017
find . -type f -iname "*pdf" | xargs -0 -d "\n" -n 1 pdfinfo 2> /dev/null | grep Pages | grep -Eo "[[:digit:]]+" | tr "\n" "+" | grep -Eo "[[:digit:]]+(\+[[:digit:]]+)+" | bc
@kisom
kisom / gist:3522220
Created Aug 30, 2012
The Yeelong: A Review
View gist:3522220

I'm sure many other people have reviewed the Lemote Yeelong 8089 netbook. I picked up mine for a specific use-case and for the most part, it does a decent enough job satisfying that use case. However, unless you're at an RMS level of free software dogmatism, you would probably be better served by an x86-based netbook. I use it for hacking in C on the bus, especially when working on code that is meant to run on OpenBSD systems. It is quite slow, making it sometimes painful to do much more than gvim (which can take a second or longer to pull up on screen)

Mine is configured with 1G of RAM and a 160G hard drive (I haven't looked at changing out any of the stock hardware), and runs OpenBSD 5.0/mipsel. For the most part, the hardware runs very well. The major exception is the wireless card; when I tried using it on an open access point, it worked fine. It struggled, and typically failed, to connect to my WPA2'd access point. I had a USB ral0 wireless adaptor lying around, and I just use that when I need wireless

@WIZARDISHUNGRY
WIZARDISHUNGRY / Gemfile
Last active Feb 12, 2018
Vagrant snippet to set VirtualBox guest CPU count to the number of host cores on Linux or OS X (broken 2018)
View Gemfile
gem 'concurrent'
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