commands.txt

GIT and GITHUB

git init                    -initialise a git repo
git add                     -adds changes to staged area
git commit -m ""            -commits changes to local repository with comment
git reset file.txt          -removes from staged area
git push                    -pushes local repo to remote repo on github
git push -u origin master   -sets default upstream to origin master
git clone                   -clones github repo onto local
.gitignore                  -commit a file called .gitignore, list items to ignore inside - if you add 'a' will ignore all files with 'a' in it


ARRAYS

array.push('item')          - adds item to the end of the array - << shovel notation (ruby only)
array.pop()                 - removes last item in the array, and also returns it (good for using and depleting array items)
array.shift()               - removes first item in the array, and returns it
array.unshift('item')       - adds item to the start of the array
array.insert(index, 'item') - adds item to index position in array, pushes the rest along
array.index('item')         - returns the index of the specified item
array.delete('item')        - removes all items equal to 'item'
array.delete_at(index)      - removes item at specified index
array.length()              - returns number of items in the array
array.count()
array.size()


HASHES

hash.key()
hash.value()
"key" => "value"
:key => "value"
key: "value"

Loops

break if                    - breaks if
for item in array           -