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@ryanpitts
ryanpitts / gist:1304725
Created October 21, 2011 19:34
GROUP BY and Select MAX from each group in Django, 2 queries
'''
given a Model with:
category = models.CharField(max_length=32, choices=CATEGORY_CHOICES)
pubdate = models.DateTimeField(default=datetime.now)
<other fields>
Fetch the item from each category with the latest pubdate.
'''
@joelverhagen
joelverhagen / clean_py.sh
Created October 8, 2012 16:48
Recursively removes all .pyc files and __pycache__ directories in the current directory
#!/bin/sh
# recursively removes all .pyc files and __pycache__ directories in the current
# directory
find . | \
grep -E "(__pycache__|\.pyc$)" | \
xargs rm -rf
# or, for copy-pasting:
@pterk
pterk / redis-ve
Last active September 26, 2018 15:42
install redis in a virtualenv
#!/bin/bash
VERSION="2.8.5"
ARCHIVE=redis-${VERSION}.tar.gz
if [ -z "${VIRTUAL_ENV}" ]; then
echo "Please activate a virtualenv first";
exit
fi
pushd /tmp/
@jvns
jvns / interview-questions.md
Last active July 6, 2024 08:32
A list of questions you could ask while interviewing

A lot of these are outright stolen from Edward O'Campo-Gooding's list of questions. I really like his list.

I'm having some trouble paring this down to a manageable list of questions -- I realistically want to know all of these things before starting to work at a company, but it's a lot to ask all at once. My current game plan is to pick 6 before an interview and ask those.

I'd love comments and suggestions about any of these.

I've found questions like "do you have smart people? Can I learn a lot at your company?" to be basically totally useless -- everybody will say "yeah, definitely!" and it's hard to learn anything from them. So I'm trying to make all of these questions pretty concrete -- if a team doesn't have an issue tracker, they don't have an issue tracker.

I'm also mostly not asking about principles, but the way things are -- not "do you think code review is important?", but "Does all code get reviewed?".

@thomasfr
thomasfr / Git push deployment in 7 easy steps.md
Last active July 3, 2024 02:22
7 easy steps to automated git push deployments. With small and configurable bash only post-receive hook
@juanje
juanje / Description.md
Last active November 30, 2023 19:29
Limit Chrome from eating all the memory and CPU

I was tired of Chrome eating all my laptop resources so I decided to put some limit to it with cgroup.

As I was using Ubuntu 12.04 with support for cgroup, I installed the package cgroup-bin and add the following group to the file /etc/cgconfig.conf:

group browsers {
    cpu {
#       Set the relative share of CPU resources equal to 25%
        cpu.shares = "256";
 }
@takeshixx
takeshixx / hb-test.py
Last active July 4, 2024 03:29
OpenSSL heartbeat PoC with STARTTLS support.
#!/usr/bin/env python2
"""
Author: takeshix <takeshix@adversec.com>
PoC code for CVE-2014-0160. Original PoC by Jared Stafford (jspenguin@jspenguin.org).
Supportes all versions of TLS and has STARTTLS support for SMTP,POP3,IMAP,FTP and XMPP.
"""
import sys,struct,socket
from argparse import ArgumentParser
@meatballhat
meatballhat / run-travis-docker-image
Created February 23, 2015 15:37
Travis docker image usage
#!/usr/bin/env bash
set -o errexit
set -o xtrace
# Provide the "language" as $TRAVIS_LANGUAGE or first positional argument. Available languages
# at the time of this writing are:
#
# android
# erlang
@dragonauta
dragonauta / zsh-prompt.sh
Last active September 14, 2023 09:20
Zsh prompt change color if normal/root user
# This GIST should go inside your .zshrc file
# I use same .zshrc for normal and root user, so it's useful to change colors
#
# It will present PROMPT as: username@hostname dir $ or root@hostname dir #
# username on green chars
# root on red chars
# hostname on bold yellow chars
# directories on bold green chars
#
# RPROMPT should show a clock on the right
@XVilka
XVilka / BiDiSupport.md
Last active June 29, 2024 20:18
BiDirectional Text

This gist will show the support of BiDirectional text in the terminal emulators and console programs. You can read more about the standardization efforts at the dedicated page of FreeDesktop Terminal BiDi working group.

How to test

Logical Order ◀ ◀ ◀ RTL LTR ▶ ▶ ▶
WHAT IS UNICODE؟ in arabic in arabic ؟EDOCINU SI TAHW ؟EDOCINU SI TAHW in arabic
ما هو الترميز الموحد يونيكود؟ in Arabic ما هو الترميز الموحد يونيكود؟ in Arabic