Journal - Revision history

Mark: Simplify the complicated add function

2025-08-17T02:16:23Z

Simplify the complicated add function

2025-08-16T01:36:10Z

← Older revision		Revision as of 01:36, 16 August 2025
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	=== Git Pull Request ===		=== Git Pull Request ===

			=== Git Pull ===

			== Test Syntax Highlight ==

			<syntaxhighlight lang="python" line>
			# add.py
			def add(a, b):
			sgn = 1
			d = 1
			if a == 0:
			return b
			elif b == 0:
			return a
			if a < 0 and b < 0:
			sgn = -1
			elif b < 0: # a > 0
			d = -1
			return sgn * add(sgna+d, sgnb-d)

			print(f'{add(1,1) } == 2')
			print(f'{add(2,0) } == 2')
			print(f'{add(3,-1) } == 2')
			print(f'{add(0,2) } == 2')
			print(f'{add(0,0) } == 0')
			print(f'{add(0,-2) } == -2')
			print(f'{add(-1,3) } == 2')
			print(f'{add(-2,0) } == -2')
			print(f'{add(-1,-1)} == -2')

	=== ~~Git Pull~~ ===		# python add.py
			# 2 == 2
			# 2 == 2
			# 2 == 2
			# 2 == 2
			# 0 == 0
			# -2 == -2
			# 2 == 2
			# -2 == -2
			# -2 == -2
			</syntaxhighlight>

2017-08-31T03:03:02Z

Git GUI

← Older revision		Revision as of 03:03, 31 August 2017
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	According to [https://git-scm.com/docs Git SCM], there's a default GUI that comes with Git. I trivially installed this by opening a terminal in Ubuntu and typing,		According to [https://git-scm.com/docs Git SCM], there's a default GUI that comes with Git. I trivially installed this by opening a terminal in Ubuntu and typing,

	~~$ sudo~~ apt-get install git-gui		# apt-get install git-gui

	Then the GUI can be lauched by,		Then the GUI can be lauched by,

	~~# gitk~~		$ git gui

			This GUI looks like it could be pretty useful for providing a quick and dirty interface for mouse-clicking through forking and pulling changes.

	=== Git Account Management ===		=== Git Account Management ===

2017-08-31T02:59:08Z

Using Git

← Older revision		Revision as of 02:59, 31 August 2017
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			=== Git GUI ===

			According to [https://git-scm.com/docs Git SCM], there's a default GUI that comes with Git. I trivially installed this by opening a terminal in Ubuntu and typing,

			$ sudo apt-get install git-gui

			Then the GUI can be lauched by,

			# gitk

	=== Git Account Management ===		=== Git Account Management ===

2017-08-31T02:51:47Z

Using Git

← Older revision		Revision as of 02:51, 31 August 2017
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	I'm starting to use Git at the command line with the revision control server at work located at [http://buffet.cs.clemson.edu/ http://buffet.cs.clemson.edu/]. Throughout the process of re-learning Git CLI, I plan to document the relevant commands and workflows here.		I'm starting to use Git at the command line with the revision control server at work located at [http://buffet.cs.clemson.edu/ http://buffet.cs.clemson.edu/]. Throughout the process of re-learning Git CLI, I plan to document the relevant commands and workflows here.

			See the following resource(s) for good information about Git source code management software:

			* [https://git-scm.com/docs Git SCM documents]

	=== SSH Config ===		=== SSH Config ===

2017-08-31T02:37:44Z

Using Git

← Older revision		Revision as of 02:37, 31 August 2017
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	== Using Git ==		== Using Git ==

			I'm starting to use Git at the command line with the revision control server at work located at [http://buffet.cs.clemson.edu/ http://buffet.cs.clemson.edu/]. Throughout the process of re-learning Git CLI, I plan to document the relevant commands and workflows here.

			=== SSH Config ===



			=== Git Account Management ===



			=== Git Forking ===

			Forking someone else's repository to create your own hosted version.

			=== Git Branching ===

			Creating another copy of a branch to work on isolated changes. For example, I plan to keep the core stable code base in a main branch called ''Master'' whereas other branches will be used to pursue variants on this code. Examples of typical branches include ''devel'' (development) and ''bug-fix'', ''issue'', or ''feature-add'' branches.

			=== Git Commit ===

			Committing changes to local code.

			=== Git Push ===

			Submitting commits from a local branch to a remote.

			=== Git Pull Request ===



			=== Git Pull ===

2017-08-31T02:30:08Z

Adds section Using Git

← Older revision		Revision as of 02:30, 31 August 2017
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	Get Ubuntu Mate by following the directions here: [https://ubuntu-mate.org/raspberry-pi/ https://ubuntu-mate.org/raspberry-pi/].		Get Ubuntu Mate by following the directions here: [https://ubuntu-mate.org/raspberry-pi/ https://ubuntu-mate.org/raspberry-pi/].

			== Using Git ==

2017-08-17T01:41:57Z

← Older revision		Revision as of 01:41, 17 August 2017
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	== Installing ROS on Raspberry Pi ==		== Installing ROS on Raspberry Pi ==

			This diary is for a Raspberry Pi 2 Model B.

			Get Ubuntu Mate by following the directions here: [https://ubuntu-mate.org/raspberry-pi/ https://ubuntu-mate.org/raspberry-pi/].

2017-08-17T01:31:31Z

← Older revision		Revision as of 01:31, 17 August 2017
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	Here's a [https://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ beginner's guide] to performing this installation procedure.		Here's a [https://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ beginner's guide] to performing this installation procedure.

			== Installing ROS on Raspberry Pi ==

2017-08-14T14:21:13Z

← Older revision		Revision as of 14:21, 14 August 2017
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	== Automatic Exhaust Fan ==		== Automatic Exhaust Fan ==

	== ~~Latop~~ Selection - Win10/Ubuntu ==		== Laptop Selection - Win10/Ubuntu ==

			I'm concerned that special care needs to be taken in selecting a computer these says when one plans to dual boot Ubuntu alongside Windows 8+ OS. I think that certain features of Windows 8/8.1/10 can be problematic when installing multiple UEFI based OS's on the same disk.


			Here's a [https://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ beginner's guide] to performing this installation procedure.