Django support squashing migrations that compresses the migration history.
eventually you will want to move back from having several hundred migrations to just a few
Which beg the obvious question, why?
| import xml.etree.ElementTree as ET | |
| fmt = '%02d:%02d:%02d,%03d' | |
| def to_time(m_sec): | |
| mm = m_sec % 1000 | |
| s = m_sec // 1000 % 60 | |
| m = m_sec // 1000 // 60 % 60 | |
| h = m_sec // 1000 // 60 // 60 | |
| return (h, m, s, mm) |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| Ctrl-a Move cursor to start of line | |
| Ctrl-e Move cursor to end of line | |
| Ctrl-b Move back one character | |
| Esc-b Move back one word | |
| Ctrl-f Move forward one character | |
| Esc-f Move forward one word | |
| Ctrl-d Delete current character | |
| Ctrl-h Delete backward one character | |
| Ctrl-w Cut the last word | |
| Ctrl-k Cut everything after the cursor |
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
apt-get update && apt-get install gdb
| set nocompatible | |
| filetype off | |
| " set the runtime path to include Vundle and initialize | |
| set rtp+=~/.vim/bundle/Vundle.vim | |
| call vundle#begin() | |
| " let Vundle manage Vundle, required | |
| Plugin 'VundleVim/Vundle.vim' | |
| " All of your Plugins must be added before the following line | |
| Plugin 'nvie/vim-flake8' |
| Host tunnel | |
| Hostname db.example.com | |
| User foo | |
| Port 22 | |
| LocalForward 27017 127.0.0.1:27017 | |
| LogLevel DEBUG | |
| IdentitiesOnly yes |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script type="text/javascript"> | |
| var ws = new WebSocket("ws://127.0.0.1:8080/websocket"); | |
| ws.onopen = function() { | |
| setInterval(send, 3000, ws); | |
| }; | |
| function send(websocket) { |
| set -g prefix C-a | |
| unbind C-b | |
| set -sg escape-time 1 | |
| bind r source-file ~/.tmux.conf \; display "Reloaded!" | |
| bind C-a send-prefix | |
| set -g base-index 1 |
| # Aliases | |
| alias g='git' | |
| alias gst='git status' | |
| alias gd='git diff' | |
| alias gdc='git diff --cached' | |
| alias gdt='git diff-tree --no-commit-id --name-only -r' | |
| alias gl='git pull' | |
| alias gup='git pull --rebase' | |
| alias gp='git push' | |
| alias gd='git diff' |