Vikram Dutt vdt

Pagination 101

Article by Faruk Ateş, [originally on KuraFire.net][original] which is currently down

One of the most commonly overlooked and under-refined elements of a website is its pagination controls. In many cases, these are treated as an afterthought. I rarely come across a website that has decent pagination, and it always makes me wonder why so few manage to get it right. After all, I'd say that pagination is pretty easy to get right. Alas, that doesn't seem the case, so after encouragement from Chris Messina on Flickr I decided to write my Pagination 101, hopefully it'll give you some clues as to what makes good pagination.

Before going into analyzing good and bad pagination, I want to explain just what I consider to be pagination: Pagination is any kind of control system that lets the user browse through pages of search results, archives, or any other kind of continued content. Search results are the o

Using Git version control for code projects

Creating a new code repo from a local working copy

with the Github for Mac app

From the repositories view in the app, drag the project folder to the bottom of the left sidebar.
Hit "Yes" when it asks if you want to create a local git repository
Go to "Changes" view (⌘2)
Select the files that you want to commit their current state to the repository. You can view the changes of the file by clicking on the double up arrow on the file name bar.

Web Scraping Workshop

Using Requests and Beautiful Soup, with the most recent Beautiful Soup 4 docs.

Getting Started

Install our tools (preferably in a new virtualenv):

pip install beautifulsoup4

DEPRECATED

Please see: https://github.com/kevinSuttle/html-meta-tags, thanks for the idea @dandv!

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

	#!/usr/bin/env python

	#
	# Converts any integer into a base [BASE] number. I have chosen 62
	# as it is meant to represent the integers using all the alphanumeric
	# characters, [no special characters] = {0..9}, {A..Z}, {a..z}
	#
	# I plan on using this to shorten the representation of possibly long ids,
	# a la url shortenters
	#

	# First install tmux
	brew install tmux

	# For mouse support (for switching panes and windows)
	# Only needed if you are using Terminal.app (iTerm has mouse support)
	Install http://www.culater.net/software/SIMBL/SIMBL.php
	Then install https://bitheap.org/mouseterm/

	# More on mouse support http://floriancrouzat.net/2010/07/run-tmux-with-mouse-support-in-mac-os-x-terminal-app/

	#!/usr/bin/env ruby -w

	# pnginator.rb: pack a .js file into a PNG image with an HTML payload;
	# when saved with an .html extension and opened in a browser, the HTML extracts and executes
	# the javascript.

	# Usage: ruby pnginator.rb input.js output.png.html

	# By Gasman <http://matt.west.co.tt/>
	# from an original idea by Daeken: http://daeken.com/superpacking-js-demos

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns
	Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms
	Read 4K randomly from SSD 150,000 ns 0.15 ms
	Read 1 MB sequentially from memory 250,000 ns 0.25 ms
	Round trip within same datacenter 500,000 ns 0.5 ms