austra

$('.removeItem').click(function (event) {
    if (confirm('Are you sure you want to delete this?')) {
        $.ajax({
            url: 'myUrl',
            type: "POST",
            data: {
                // data stuff here
            },
            success: function () {
                // does some stuff here...

austra

Obtrusive:

link_to 'Another link with obtrusive JavaScript', '#',
        :onclick => 'alert("Please no!")'

Unobtrusive:

rails:

link_to 'Link with unobtrusive JavaScript',

austra

def start_listener()
  uri = URI.parse(ENV["REDISCLOUD_URL"])
  redis = Redis.new(host: uri.host, port: uri.port, password: uri.password)
  Thread.new do
    begin
      redis.subscribe("__keyevent@0__:expired") do |on|
        on.subscribe do |channel, subscriptions|
          puts "Subscribed to ##{channel} (#{subscriptions} subscriptions)"
        end

austra

To search the commit log (across all branches) for the given text:

git log --all --grep='my commit message'

To search the actual content of commits through a repo's history, use:

git grep 'my commit message' $(git rev-list --all)

austra

rsync -avzP -e "ssh -i /home/user/my.pem" ubuntu@ec2-xx-xx-xx-xx.us-west-2.compute.amazonaws.com:/home/ubuntu/remote-dir /home/user/local-dir

austra

http://jaketrent.com/post/pagination-headers-with-kaminari/
https://developer.github.com/v3/#pagination


Kaminari provides easy pagination in a rails app. It’s great to use. We’ll make it better by adding a little function to your controllers to provide useful pagination headers.

kaminari pagination

Pagination from Kaminari

austra

# All the files that match with 'coverage' and tell git to use the branch we're on currenthl (ours, opposed to theirs)
git status | grep coverage | sed 's/.*: \(.*\)/\1/g' | xargs git checkout --ours

austra

zgrep "END: current_user" production.log.2.gz | sed 's/\(.*\) \[.*INFO.*current_user\[\(.*\)\] (\(.*\)) \(.*\)/\3\t\4\t\2\t\1/g' | sort -n | tail -n 20

# with process:request
grep "END: current_user" production.log | sed 's/\(.*\) \[.*INFO.*\[\(.*\)\].*current_user\[\(.*\)\] (\(.*\)) \(.*\)/\4\t\2\t\1\t\3\t\5/g' | sort -n | tail -n 100

# find with process:request, then loop back and find problems for each...
# Part 1
grep "END: current_user" production.log | sed 's/\(.*\) \[.*INFO.*\[\(.*\)\].*current_user\[\(.*\)\] (\(.*\)) \(.*\)/\4\t\2\t\1\t\3\t\5/g' | sort -n | tail -n 100 > slow_requests_10_26_2015.txt
# Part 2
for rqid in `cat slow_requests_10_26_2015.txt | sed 's/.*seconds\t\(.*\)\s.*2015.*/\1/g'`;do echo -e "API Calls for [$rqid]\n---------------------------\n"; grep $rqid production.log | grep "request to api.exigo.com" -A 1; echo -e "\n\n";done > exigo_slow_calls_report_10_26_2015.txt

austra

for request in `grep -e "undefined local variable or method .*html_safe" log/production.log -B 1 | grep FATAL | sed 's/.*FATAL.*\[\(.*\)\]/\1/g'`;do grep "$request" log/production.log | head -n 20 | grep current_user;done | sed 's/.*current_user\(.*\).*/\1/g' | sort | uniq -c | sort -n

austra

raw = ActiveRecord::Base.connection.execute(sql)
raw.each(:as => :hash) do |row|
  puts row.inspect # row is hash
end