pythonicrubyist’s gists

pythonicrubyist / convert_ubuntu_mint_to_ruby_dev_env

Last active November 29, 2016 10:59

Converting Ubuntu 12.04 LTS or LInux Mint 13 into a Ruby Developer’s Environment

	# Installing RVM and Ruby:
	sudo apt-get install curl
	\curl -L https://get.rvm.io \| bash -s stable --ruby
	echo 'source $HOME/.rvm/scripts/rvm' >> ~/.bashrc
	source ~/.bashrc
	rvm requirements
	rvm install 1.8.7-p371
	rvm install 1.9.3-p125
	rvm --default use ruby-1.9.3-p125

pythonicrubyist / handy_linux_commands

Created October 30, 2013 16:30

Handy Linux Commands

ls *.txt | wc -l | tee /dev/tty count.txt

pythonicrubyist / convert_ubuntu_mint_to_python_dev_env

Last active December 29, 2015 00:59

Converting Ubuntu 12.04 LTS or LInux Mint 13 into a Python Developer’s Environment

	sudo apt-get install python-pip
	sudo apt-get install python-setuptools
	sudo apt-get install python-dev
	sudo apt-get install build-essential

	sudo pip install virtualenv
	sudo pip install virtualenvwrapper

	sudo echo 'export WORKON_HOME=$HOME/.virtualenvs' >> ~/.bashrc
	sudo echo 'source /usr/local/bin/virtualenvwrapper.sh' >> ~/.bashrc

pythonicrubyist / setting_up_python_data_analysis_environment_on_ubuntu_linux

Last active March 28, 2021 03:11

Setting up a Python Data Analysis Environment on Ubuntu LTS 12.04 or Linux Mint 13.

	sudo apt-get install libatlas-base-dev
	sudo apt-get install gfortran
	sudo apt-get install python-matplotlib

	sudo pip install numpy
	sudo pip install pandas
	sudo pip install scipy
	sudo pip install patsy
	sudo pip install matplotlib
	sudo pip install jinja2

pythonicrubyist / gist:7683298

Created November 27, 2013 21:14

TCP Network Traffic Monitor in Linux

	udo apt-get install tcptrack
	sudo tcptrack -i eth0 -f

pythonicrubyist / gist:7683471

Created November 27, 2013 21:23

Enabling Full-Screen Mode in Ubuntu on Oracle VirtualBox

	sudo apt-get install dkms build-essential linux-headers-generic
	# On virtual machine’s menu bar on top, click on Device/Install Guest Additions. This will launch a unix script runing on the Ubuntu terminal.
	sudo reboot

pythonicrubyist / linus_process_management

Created December 12, 2013 17:37

Linux Command for Process Management and Network Monitoring

	# List all processes dynamically, q to close top, k to kill a process
	top

	# Displays processes in tree format
	pstree

	# Display all running processes owned by the current user
	# ps aux

	# Find a process

pythonicrubyist / nil_empty_blank_present_ffdierence_in_ruby

Last active February 21, 2024 17:38

Difference between nil?, empty?, blank? and present? in Ruby and Ruby on Rasils.

	# nil? can be used on any Ruby object. It returns true only if the object is nil.
	nil.nil? # => true
	[].nil? # => false
	{}.nil? # => false
	"".nil? # => false
	" ".nil? # => false
	true.nil? # => false

	# empty? can be used on some Ruby objects including Arrays, Hashes and Strings. It returns true only if the object's length is zero.
	nil.empty? # NoMethodError: undefined method `empty?' for nil:NilClass

pythonicrubyist / delete_git_commit

Created February 25, 2014 18:43

Deleting the last Git commit

	git reset --hard HEAD~1
	git push origin HEAD --force

pythonicrubyist / ruby_env_setup_on_os x_mavericks

Last active August 29, 2015 14:01

Ruby Development Environment Setup on OS X Mavericks

	# Instlled Xcode, Github and Sublime Text 3 by runing their installation packages.

	git config --global user.name "Your Full Name"
	git config --global user.email "Your Email Address"

	# Homebrew Installation:

	ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
	brew doctor
	echo export PATH='/usr/local/bin:$PATH' >> ~/.bash_profile

Ramtin Vaziri pythonicrubyist