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@BigNerd
BigNerd / k9s.txt
Last active May 1, 2024 03:56
K9s column descriptions
View: Pods(<namespace>)[number of pods listed]
NAME pod name
READY number of pods in ready state / number of pods to be in ready state
RESTARTS number of times the pod has been restarted so far
STATUS state of the pod life cycle, such as Running | ... | Completed
CPU current CPU usage, unit is milli-vCPU
MEM current main memory usage, unit is MiB
%CPU/R current CPU usage as a percentage of what has been requested by the pod
%MEM/R current main memory usage as a percentage of what has been requested by the pod
@fiorix
fiorix / groupcache.go
Last active February 6, 2024 10:39
Simple groupcache example
// Simple groupcache example: https://github.com/golang/groupcache
// Running 3 instances:
// go run groupcache.go -addr=:8080 -pool=http://127.0.0.1:8080,http://127.0.0.1:8081,http://127.0.0.1:8082
// go run groupcache.go -addr=:8081 -pool=http://127.0.0.1:8081,http://127.0.0.1:8080,http://127.0.0.1:8082
// go run groupcache.go -addr=:8082 -pool=http://127.0.0.1:8082,http://127.0.0.1:8080,http://127.0.0.1:8081
// Testing:
// curl localhost:8080/color?name=red
package main
import (
@paulirish
paulirish / how-to-view-source-of-chrome-extension.md
Last active April 25, 2024 04:16
How to view-source of a Chrome extension

Option 1: Command-line download extension as zip and extract

extension_id=jifpbeccnghkjeaalbbjmodiffmgedin   # change this ID
curl -L -o "$extension_id.zip" "https://clients2.google.com/service/update2/crx?response=redirect&os=mac&arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=stable&prodversion=44.0.2403.130&x=id%3D$extension_id%26uc" 
unzip -d "$extension_id-source" "$extension_id.zip"

Thx to crxviewer for the magic download URL.

@aelesbao
aelesbao / gem-list-native.rb
Created May 27, 2014 19:38
List gems with native extensions
require 'rubygems'
specs_with_extensions = Gem::Specification.each.select { |spec| spec.extensions.any? }
specs_with_extensions.each do |spec|
puts "#{spec.name} (extensions: #{spec.extensions.inspect})"
end
@phantomwhale
phantomwhale / Command Line
Created March 20, 2014 04:14
Passing command line arguments into Vagrant to configure Ansible Provisioning
# with a space, this doesn't work...
$ ANSIBLE_ARGS='-t elasticsearch' vagrant provision
==> default: Running provisioner: ansible...
ERROR: tag(s) not found in playbook: elasticsearch. possible values: apache,common,elasticsearch,java,passenger,postgresql,ruby
Ansible failed to complete successfully. Any error output should be visible above. Please fix these errors and try again.
# without the space, it now works...
$ ANSIBLE_ARGS='-telasticsearch' vagrant provision
@lttlrck
lttlrck / gist:9628955
Created March 18, 2014 20:34
rename git branch locally and remotely
git branch -m old_branch new_branch # Rename branch locally
git push origin :old_branch # Delete the old branch
git push --set-upstream origin new_branch # Push the new branch, set local branch to track the new remote
@d11wtq
d11wtq / docker-ssh-forward.bash
Created January 29, 2014 23:32
How to SSH agent forward into a docker container
docker run -rm -t -i -v $(dirname $SSH_AUTH_SOCK) -e SSH_AUTH_SOCK=$SSH_AUTH_SOCK ubuntu /bin/bash
@tomas-stefano
tomas-stefano / Capybara.md
Last active May 2, 2024 05:16
Capybara cheatsheet

Capybara Actions

# Anchor
click_link 'Save'

# Button
click_button 'awesome'

# Both above
@joshwlewis
joshwlewis / scss_format_validator.rb
Created November 19, 2012 20:09
Rails validation for scss (or sass)
# app/validators/scss_format_validator.rb
class ScssFormatValidator < ActiveModel::EachValidator
def validate_each(object, attribute, value)
begin
# Attempt to parse SCSS
Sass::Engine.new(value, syntax: :scss).render
rescue Exception => e
# Add error if parsing fails
object.errors.add(attribute, :invalid_scss, error: e.inspect)
end
@marktheunissen
marktheunissen / pedantically_commented_playbook.yml
Last active April 26, 2024 23:26 — forked from phred/pedantically_commented_playbook.yml
Insanely complete Ansible playbook, showing off all the options
This playbook has been removed as it is now very outdated.