- Find files containing "foo", and print the line matches in context:
ag foo
- Find files containing "foo" in a specific directory:
ag foo path/to/directory
- Find files containing "foo", but only list the filenames:
ag -l foo
- Find files containing "FOO" case-insensitively, and print only the match, rather than the whole line:
ag -i -o FOO
- Find "foo" in files with a name matching "bar":
ag foo -G bar
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#!/usr/bin/env ruby | |
# List all keys stored in memcache. | |
# Credit to Graham King at http://www.darkcoding.net/software/memcached-list-all-keys/ for the original article on how to get the data from memcache in the first place. | |
require 'net/telnet' | |
headings = %w(id expires bytes cache_key) | |
rows = [] |
To install a custom package or modify an existing docker image we need to
- run a docker a container from the image we wish to modify
- modify the docker container
- commit the changes to the container as a docker image
- test changes made to image
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# lib/custom_logger.rb | |
class CustomLogger < Logger | |
def format_message(severity, timestamp, progname, msg) | |
"#{timestamp.to_formatted_s(:db)} #{severity} #{msg}\n" | |
end | |
end | |
logfile = File.open("#{Rails.root}/log/custom.log", 'a') # create log file | |
logfile.sync = true # automatically flushes data to file | |
CUSTOM_LOGGER = CustomLogger.new(logfile) # constant accessible anywhere |
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// sending to sender-client only | |
socket.emit('message', "this is a test"); | |
// sending to all clients, include sender | |
io.emit('message', "this is a test"); | |
// sending to all clients except sender | |
socket.broadcast.emit('message', "this is a test"); | |
// sending to all clients in 'game' room(channel) except sender |
This method avoids merge conflicts if you have periodically pulled master into your branch. It also gives you the opportunity to squash into more than 1 commit, or to re-arrange your code into completely different commits (e.g. if you ended up working on three different features but the commits were not consecutive).
Note: You cannot use this method if you intend to open a pull request to merge your feature branch. This method requires committing directly to master.
Switch to the master branch and make sure you are up to date:
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=Navigating= | |
visit('/projects') | |
visit(post_comments_path(post)) | |
=Clicking links and buttons= | |
click_link('id-of-link') | |
click_link('Link Text') | |
click_button('Save') | |
click('Link Text') # Click either a link or a button | |
click('Button Value') |
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require 'rails_helper' | |
RSpec.describe TodosController, :type => :controller do | |
describe "GET #index" do | |
#describe "POST #create" do | |
#describe "GET #show" do | |
#describe "PATCH #update" do (or PUT #update) | |
#describe "DELETE #destroy" do | |
#describe "GET #new" do |