Ruby - Revision history

Piousbox at 16:40, 15 May 2024

2024-05-15T16:40:09Z

Piousbox at 03:25, 12 March 2024

2024-03-12T03:25:25Z

Piousbox: Created page with " == Install ruby on ubuntu 20 == From: https://www.digitalocean.com/community/tutorials/how-to-install-ruby-on-rails-with-rbenv-on-ubuntu-20-04 sudo apt update sudo apt..."

2022-11-02T23:25:55Z

Created page with " == Install ruby on ubuntu 20 == From: https://www.digitalocean.com/community/tutorials/how-to-install-ruby-on-rails-with-rbenv-on-ubuntu-20-04 sudo apt update sudo apt..."

New page

== Install ruby on ubuntu 20 ==

From: https://www.digitalocean.com/community/tutorials/how-to-install-ruby-on-rails-with-rbenv-on-ubuntu-20-04

sudo apt update
sudo apt install git curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev
curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc

Test:

type rbenv

← Older revision		Revision as of 16:40, 15 May 2024
Line 1:		Line 1:
		+
		+	== Ruby Toolbox ==
		+
		+	* ankane/blazer
		+	** "Explore your data with SQL" - a mounted visualization engine?
		+	** Version 3.0.2 still has mongodb support
		+
		+	* https://chartkick.com/
		+	** ruby one-liner charts
		+
		+	* ankane/ahoy
		+	* ankane/ahoy_email

	== Install ruby on ubuntu 20 ==		== Install ruby on ubuntu 20 ==

← Older revision		Revision as of 03:25, 12 March 2024
Line 13:		Line 13:

	type rbenv		type rbenv
		+
		+	== How to render text on image with RMagick and Word wrap? ==
		+	From: https://stackoverflow.com/questions/11788216/how-to-render-text-on-image-with-rmagick-and-word-wrap
		+
		+	<pre>
		+	phrase = "my super long text that needs to be auto line breaked and cropped"
		+	background = Magick::Image.read('my_bg_img.jpg').first
		+	image = Magick::Image.read("caption:#{phrase}") do
		+	self.size = '800x600' #Text box size
		+	self.background_color = 'none' #transparent
		+	self.pointsize = 22 # font size
		+	self.font = 'Helvetica' #font family
		+	self.fill = 'gray' #font color
		+	self.gravity = Magick::CenterGravity #Text orientation
		+	end.first
		+	background.composite!(image, Magick::NorthEastGravity, 20, 40, Magick::OverCompositeOp)
		+	background.format = "jpeg"
		+	return background.to_blob
		+	</pre>