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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.
'''
@jexchan
jexchan / multiple_ssh_setting.md
Created April 10, 2012 15:00
Multiple SSH keys for different github accounts

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"
@widoyo
widoyo / kas.py
Created October 16, 2012 07:42
Generating PDF using Flask & ReportLab
from flask import make_response
from reportlab.pdfgen import canvas
# ...
@app.route('/pdf')
def pdf():
import cStringIO
output = cStringIO.StringIO()
@plentz
plentz / nginx.conf
Last active July 22, 2024 11:19
Best nginx configuration for improved security(and performance)
# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
@rubencaro
rubencaro / install_elixir.md
Last active September 30, 2023 03:58
Elixir installation guide

Elixir installation guide

Version numbers should be the ones you want. Here I do it with the last ones available at the moment of writing.

The simplest way to install elixir is using your package manager. Sadly, at the time of writing only Fedora shows the intention to keep its packages up to date. There you can simply sudo dnf install erlang elixir and you are good to go.

Anyway, if you intend to work with several versions of erlang or elixir at the same time, or you are tied to a specific version, you will need to compile it yourself. Then asdf is your best friend.

@six519
six519 / convert_test.py
Created August 20, 2014 07:44
Convert file to another file format using LibreOffice API in Python
#!/usr/bin/env python3
"""
VIEW COMPLETE CODE AT
=====================
* https://github.com/six519/libreoffice_convert
THANKS
======
@thaJeztah
thaJeztah / docker-examples.md
Last active January 14, 2024 02:00
Some docker examples

Commit, clone a container

To 'clone' a container, you'll have to make an image of that container first, you can do so by "committing" the container. Docker will (by default) pause all processes running in the container during commit to preserve data-consistency.

For example;

docker commit --message="Snapshot of my container" my_container my_container_snapshot:yymmdd
@arulrajnet
arulrajnet / WhoHasLatestNav.py
Created May 1, 2015 10:22
Have curiosity to know how www.valueresearchonline.com updated their NAV value of a fund once the Market closed on 4:10PM every day. So I wrote a script to check the NAV value in Value Research, AMFI and Morningstar for a particular fund. Here that script...
# -*- coding: utf-8 -*-
__author__ = 'arul'
import requests, sys
from lxml import html
from bs4 import BeautifulSoup
vrs_value = "NA"
amfi_value = "NA"
/* VT100 terminal reset (<ESC>c) */
console.log('\033c');
/* numbers comparations */
> '2' == 2
true
> '2' === 2
@Dhertz
Dhertz / Ubuntu_Aerial.md
Last active March 28, 2023 02:06
Quick overview of how to get Apple's new TV screensavers working on most linux systems.

Using Apple’s Aerial Screensavers on Ubuntu After coming across the [Aerial] (https://github.com/JohnCoates/Aerial) screensavers for Mac, and installing them, I decided that I had had enough of the graphics-demos of my Ubuntu Precise system. I hope to provide a simple guide on how to add them to your setup as well.

First, you need to install xscreensaver (for example with aptitude, but your distro should have it):

sudo aptitude install xscreensaver