lehmacdj

(in-package :next)

(defparenstatic scroll-half-page-down
    (ps:chain window (scroll-by 0 (/ (ps:@ window inner-height) 2))))
(defparenstatic scroll-half-page-up
  (ps:chain window (scroll-by 0 (/ (ps:@ window inner-height) -2))))
(defparenstatic scroll-page-down
    (ps:chain window (scroll-by 0 (ps:@ window inner-height))))
(defparenstatic scroll-page-up
  (ps:chain window (scroll-by 0 (- (ps:@ window inner-height)))))

tigrus

" When started as "evim", evim.vim will already have done these settings.
if v:progname =~? "evim"
  finish
endif

" Use Vim settings, rather then Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

filetype off

superjamie

Raspberry Pi VPN Router

This is a quick-and-dirty guide to setting up a Raspberry Pi as a "router on a stick" to PrivateInternetAccess VPN.

Requirements

Install Raspbian Jessie (2016-05-27-raspbian-jessie.img) to your Pi's sdcard.

Use the Raspberry Pi Configuration tool or sudo raspi-config to:

martinklepsch

A Starting Point for using Emacs & Evil-mode

(I wrote a bit about why Emacs and Vim on my blog and thought it might be nice to give some starting point for people that want to try it.)

If you just want to play around with Emacs & Evil mode do the following:

1. mkdir ~/.emacs.d/
2. copy init.el into ~/.emacs.d/
3. Download Emacs from http://emacsformacosx.com

ur001

def track_field_changes(only=None, exclude=()):
    """
    Django models decorator for tracking fields changes

        :only: fields to track for changes (all otherwise)
        :exclude: fields to exclude from tracking

    Adds to model instance:
        get_old_value(field_name) — old value of given field
        is_changed(field_name=None) — is any field (or given field) is changed

hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

wting

#!/usr/bin/env bash
# Written by William Ting for the following blog post:
# http://williamting.com/posts/2012/04/18/set-up-python-and-django-on-dreamhost/

rcfile="${HOME}/.bashrc"
version="2.7.3"
setuptools_version="2.7"
tmp_dir="${HOME}/tmp-${RANDOM}"

if [[ ${#} == 0 ]]; then

panuta

Command Line Tools for Xcode

Command line tools comes bundle with Xcode prior to 4.3 version. After 4.3, you need to install a separated command line tools yourself.

First, go to this url and login using Apple Developer account (Free to register)

https://developer.apple.com/downloads/index.action