Snakebutt Mac OS

This is the first of three tutorials on how to make a quick snake game in c. Inspired by NVitanovic's fantastic tutorial videos, it is for those of you, li.
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As you can see, instead of writing a command line parser for passing parameters like input and output files, you have direct access to the properties of the rule via a magic snakemake object, that Snakemake automatically inserts into the script before executing the rule. Finally, we have to define a conda environment for the rule, say envs/stats.yaml, that provides the required Python.

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Contents:

+ Q	quit program
+ .	interrupt
+ Option + Esc	force quit
+ Shift + Option + Esc	force quit, Cocoa & Panther only
reset
power button for over 5 seconds
+ Control +	restart immediately, no chance to save, may corrupt disk

click or hold	eject CD
C	boot from CD/DVD
D	start from hard disk's first partition; if the first install disk is in the drive, start diagnostic tests
N	start from the network server
Option + N	start the default boot image from a NetBoot server
+ Option + N + V	reset NVRAM
+ Option + O + F	bring up Open Firmware
+ Option + P + R	reset PRAM
R	force PowerBook screen reset
+ S	boot single user moder (OSX)
T	put the Mac into FireWire target disk mode
+ V	boot verbose: show messages while booting (OS X)
X	start in OS X (if OS 9 is on the same disk)
Option	show icons of all start-up disks or partitions and lets you selectolder machines: restart in OS 9
Shift	boot with no extensions (OS9); holding Shift down after the list ofservices begins to appear disables auto-login, holding it down afteryou've logged on disables login items
+ Option	rebuild desktop (OS9?)
+ Option + Shift + Delete	bypass startup checks; start up from an external drive, if present;otherwise, start up in Safe mode
eject CD (may not work on USB); F12 is used if there is no dedicated ejectkey

Shift + Return	don't run startup items; while showing user list, Option + Enter on aname switches to prompt for name mode, Back goes back to name listmode
in name mode...	You can enter these special names: `>restart` `>shutdown` `>sleep` to do the corresponding function.

+ Shift + 3	snapshot screen to file/desktop (which depends on version)
+ Control + Shift + 3	snapshot screen to clipboard
+ Shift + 4 then click/drag	snapshot screen selection to file/desktop (which depends on version)
+ Shift + 4 then hold Control	snapshot screen selection to clipboard
+ Shift + 4 then Space	snapshot screen selection to desktop
+ Shift + CAPS + 4	snapshot window to file
+ Shift + CAPS + 4 and then click/drag	snapshot window selection to file
+ Control + Shift + 4 then click/drag	snapshot screen selection to clipboard
+ Control + Shift + CAPS + 4	snapshot window to clipboard
+ Control + Shift + CAPS + 4 then click/drag	snapshot window selection to clipboard
+ Shift + Q	log out
eject CD/DVD
reset used for firmware upgrades
reset
sleep on/off; restart if pressed for over 5 seconds

Option + click on minimize	minimize all Finder windows
Option + double-click	open selected folder and close parent window
+ drag file or folder location	move to a new volume without copying
Option + drag file or folder location	copy file or folder to a new location
+ Option + drag file or folder location	make an alias in a new location
+ uparrow	opens the parent folder
+ Option + uparrow	open parent folder and close the current window
+ Option + Shift + uparrow	selects the Desktop
+ downarrow	moves down one level
+ rightarrow	expand folder (List view)
+ Option + rightarrow	expand folder and nested subfolders (List view)
+ leftarrow	collapse folder (List view)
Tab	selects the next item alphabetically
Shift + Tab	selects the previous item alphabetically
+ Option + 8	toggle zoom
+ Option + Control + 8	toggle white-on-black mode
+ Option + =	zoom in
+ Option + -	zoom out
+ Shift + A	opens your Applications folder
+ Option + D	toggle the Dock between show and hide
+ Shift + H	opens your Home folder
+ L	create an alias
+ Option + O	open selected folder and close parent window
+ R	when an alias is selected, jump to its target
+ T	move an item to the sidebar
+ Option + W	close all Finder windows
+ Shift + Delete	empty trash
+ Delete	move the selected item(s) to the trash
+ Option + Shift + Delete	empty trash immediately without any warning dialog

F12	toggle Dashboard activation (if you don't have a dedicated ejectbutton, F12 will eject the CD)
F12 and hold	shows Dashboard while key is held down (if you don't have a dedicatedeject button, F12 will eject the CD)
+ = (after Dashboard activated)	toggle Widget bar
+ R (after Widget selected)	reload Widget

+ click	opens the file in a new Finder window
+ Space	opens the Spotlight menu
+ Option + Space	opens the Spotlight window
+ Return	opens the Top Hit item
arrow keys	navigate the list of results
Return	opens the selected search result

+ Tab	switches to the next open program; press ONCE and release the z key toswitch to the program used most recently
+ Shift + Tab	switches to the previous open program
+ Option + D	hides/shows the Dock
+ Option + H	hides all windows except the one you're in
+ `	cycle through application or Finder windows (if more than one open)
+ Shift + `	cycle through application or Finder windows (if more than one open), in reverse order
+ ~	switches to the next open window in this program
click on Dock icon (Application)	shows applications's windows
Control + click on Dock icon (Folder)	shows folder's contents; also Force Quit option
+ click on Dock icon	reveals the original item in the Finder
+ Option + click on Dock icon	switches to this program and hides all others
+ click window toolbar button	cycle through available window views
+ click window title	show path to folder or document
Option + click yellow button	dock all this application's open windows (some applications)
Option + click on another application's icon	switches to this program and hides all others
Option + empty trash	empties the trash without asking 'are you sure?' and also emptieslocked files

Control +	brings up the dialog box for shutdown, sleep, or restart
+ Control +	forces a restart
+ Option +	puts the Mac to sleep
+ Control + Option +	shuts down