henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

joyrexus

Sans jQuery

Events

// jQuery
$(document).ready(function() {
  // code
})

subfuzion

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

ayamflow

// Add on element with overflow
-webkit-mask-image: -webkit-radial-gradient(white, black);

emilio-rst

# coding: utf-8

from django.core.exceptions import ValidationError
from django.core.files.images import get_image_dimensions
from django.utils.translation import ugettext_lazy as _
from django.utils.deconstruct import deconstructible


@deconstructible
class ImageDimensionsValidator:

dmarchuk

Django Migrations without Downtime

The following instructions describe a set of processes allowing you to run Django database migrations against a production database without having to bring the web service down.

Note that in the below instructions, migrations are all run manually at explicit points, and are not an automatic part of the deployment process.

Adding Fields or Tables

Adding a (nullable) field or a new table

1. Make the model or column addition in your code.