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<html ng-app="myApp">
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<title>Basic App</title>
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# set these in your .bash_profile, .bashrc, .zshrc first
HISTFILESIZE=100000 # how many lines to keep total
HISTSIZE=100000 # how many lines to keep for the current session
# oh-my-zsh will default to a reasonable 10000, but most bash defaults to a few hundred
# oh-my-zsh by default appends all commands to history after they are run instead of on session end
# search the history with control-r
# search for commands starting with the one you typed with alt-p
# if you don't want something to stay in your history, prefix the command with a space
View gist:c42f95ee98e909fccfe4
Verifying that +nahurst is my openname (Bitcoin username).
View gist:d2f6f9b18bc8638a3e25
service = angular.element(document).injector().get('cubeService')
service.track('plb_test', {'hi' : 'nathan'})
git reset --soft HEAD^ # when you just committed something you didn't mean to and you want to change the contents and the message
git commit --amend # when you want to change the commit message you just made
git reset file # when you have a file staged for delete that you want to unstage
git checkout file # when you want to restore that file you unstaged file to it's original version
git reset HEAD file # when you want to unstage a staged change
git reset --soft "HEAD^" # when you just committed something, but you want to undo the commit and revert everything to how it was staged before the commit
# minimize the use of these for better copy
# am,is,are,was,were,be,being,been,become,became,has,have,had,do,does,did,may,might,must,can,could,shall,should,will,would
cd project
rvm --rvmrc --create 1.9.2@project
cd ../project # confirm rvm with y
ruby -v # confirm version
View gist:3912888
# Finds the difference between a file and X changes ago
# gitdifflast path/to/file 2
# would be the difference between this version and two changes ago (when the file actually changed not just commits)
# this distinguishes between the last change and the last commit
# use "git diff HEAD@{1} path/to/file" or "git diff HEAD^ path/to/file" for that
file = ARGV.shift
change_increment = ARGV.shift.to_i
View console_spec.rb
describe "console" do
it "should run" do
#> spork
#> rspec --drb spec/models/console_spec.rb
View latency.txt
Latency Comparison Numbers Time Light Distance Approximate Light Distance
-------------------------- ---- -------------- --------------------------
L1 cache reference 0.5 ns 0.15 m Diagonal across your smartphone
Branch mispredict 5 ns 1.5 m Height of Natalie Portman
L2 cache reference 7 ns 2.1 m Height of Shaq
Mutex lock/unlock 25 ns 7.5 m Height of a school flag pole
Main memory reference 100 ns 30 m Half a Manhattan city block (North/South)
Compress 1K bytes with Zippy 3,000 ns 900 m Width of Central Park
Send 1K bytes over 1 Gbps network 10,000 ns 3,000 m Width of Manhattan
Read 4K randomly from SSD* 150,000 ns 45,000 m NYC to Hempstead on Long Island
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