begin29

window.name = 'окошко';
var test = function () { alert(this.name); }

var obj = {
  name: 'объектик',
  fx: function() {
    test();//->окошко, т.к. функция объявлена в контексте window
    test.apply(this);//->объектик, т.к. мы вызвали функцию в нужном нам контексте
  }
}

begin29

#create link
ln -s /path/to/file /path/to/symlink

#see all available memory
df -h

#returns the number of lines, words, and bytes in a file. Can use -l, -w, -c to get just one of these.
wc

# change user password

begin29

#apache logs
/var/log/apache2/access.log - records of every page served and every file loaded by the web server.
/var/log/apache2/error.log - records of all error conditions reported by the HTTP server

begin29

# copy migrations from engine
rake railties:install:migrations

# record not new/new
persisted? # new_record?

# execute query in console
ActiveRecord::Base.connection.execute("foo")

# string to class

begin29

# clean restore postgress database from dump
pg_restore --verbose --clean --no-acl --no-owner -h localhost -U postgres -d pixaloca_development pixaloca.dump

# create ssh-tunel to remote database
https://support.cloud.engineyard.com/hc/en-us/articles/205408088-Access-Your-Database-Remotely-Through-an-SSH-Tunnel

# sql select and group tips 
https://habrahabr.ru/post/149571/

# row expiration in raw sql

begin29

# show changed files for specific commit
git show --pretty="format:" --name-only SHA

#debugging with git
https://git-scm.com/book/ru/v1/%D0%98%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D1%8B-Git-%D0%9E%D1%82%D0%BB%D0%B0%D0%B4%D0%BA%D0%B0-%D1%81-%D0%BF%D0%BE%D0%BC%D0%BE%D1%89%D1%8C%D1%8E-Git

# cheatsheet for git
https://medium.com/@ABatickaya/%D1%88%D0%BF%D0%B0%D1%80%D0%B3%D0%B0%D0%BB%D0%BA%D0%B0-%D0%BF%D0%BE-git-55eeea487676#.gmoc1vf40

git log --after="2013-11-12 00:00" --before="2013-11-12 23:59"

begin29

task :bundle_version => :environment do
  queue "bundle -v"
end

task :update_bundler => :environment do
  queue "gem install bundler"
end

begin29

# soft file deleting
https://github.com/rubysherpas/paranoia

# cucumber catalog for scenarious
https://github.com/enkessler/cuke_cataloger

# cucumner query language
https://github.com/enkessler/cql

# track visits in ruby Javascript

begin29

# relax your eyes
https://geektimes.ru/post/142096/

# 

begin29

#===js books
# front-end handbook
https://www.dropbox.com/sh/t9hloz1jqtlul8p/AACbgQTOF8k-UoCY1nonQapaa?dl=0
# usefull free books about raw js
https://medium.mybridge.co/the-most-useful-free-ebooks-for-web-developers-3854767ee52f#.8dfirbgmi

# js debugging
https://developer.chrome.com/devtools/docs/javascript-debugging

# SPECIFICATION FOR BUILDING APIS IN JSON