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Destroy All Software - screencasts

Some of the best programming tutorials on the internet.

test data factories

finding missing tests

implementing before

implementing let

a motivating example test

implementing assertion syntax

assertions large and small

test runner from scratch

html template rendering

html template language parser

better database library api

database library tests

first attempt at database library

three router tweaks

variables in routes

routing simple requests

malloc from scratch

http server from scratch

shell from scratch

text editor from scratch

data compressor from scratch

a compiler from scratch

final notes on computation

the most complex languages

recognizing programming languages

recognizing simple languages

the limits of computation

power of lambda calculus

computing by constructing

power of turing machines

computing by changing

introduction to computation

when rails is right

test recommendations

running tests asynchronously

actor syntax from scratch

analyzing context switches

test cases vs. examples

debugging with tests

imperative to oo to functional

isolating by separating value

primitive obsession

separating arrangement and work

where correctness is enforced

python vs. ruby objects

removing a rubinius feature

splitting active record models

collapsing services into values

functional core, imperative shell

test isolation without mocks

time to first request

conditional whac-a-mole

test driving shell scripts

the mock obsession problem

ugly tests trigger refactoring

a magical isolation story

mutation in tell don't ask

pretty git logs

three test shapes

pushing complexity down

when to generalize in tdd

sucks/rocks 8: the whole design

sucks/rocks 7: more cucumber

sucks/rocks 6: a controller

sucks/rocks 5: a bug and a model

sucks/rocks 4: caching

sucks/rocks 3: the search engine

sucks/rocks 2: computing scores

sucks/rocks 1: the rails app

shorter class syntax

generating coupons with bash

repository statistics in raptor

brittle and fragile tests

stubbing unloaded dependencies

emacs, chainsaw of chainsaws

untested code part 4: refactoring 2

untested code part 3: refactoring 1

untested code part 2: adding tests

untested code part 1: introduction

web apps: when to test in isolation

outside-in tdd: stubs vs. stash

tdding spikes away with rebase

what goes in active records part 2

what goes in active records

which tests to write

splitting into fine grained tests

simple bash script testing

performance of different test sizes

history spelunking with unix

extracting from models

acceptance tests

extracting from controller to model

controller refactoring demo part 2

controller refactoring demo part 1

notes on stubbing

spiking and continuous spiking

test isolation and refactoring

coupling and abstraction

tar, fork, and the tar pipe

composing a unix command line

clarity via isolated tests

wrapping third party apis

a refactoring story

quick and easy perf tests

extracting objects in django

file navigation in vim

packaging in ruby and python

fast tests with and without rails

exceptions and control flow

processes and jobs

growing a test suite

conflicting principles

extracting domain objects

source code history integrity

building rspec from scratch

how and why to avoid nil

statistics over git repositories