Hirurg103 / issue_with_joins_in_scopes_in_rails_5_3.rb

Last active July 24, 2019 16:13

Issue with joins in scopes in rails 5.2

	begin
	require "bundler/inline"
	rescue LoadError => e
	$stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler"
	raise e
	end

	gemfile(true) do
	source "http://rubygems.org"
	gem "activerecord", "5.2.0"

Hirurg103 / datepicker-error-example.html

Created October 28, 2018 12:45

Bug with setValue: hours is 1hr less than selected

	<!doctype html>
	<html>
	<head>
	<script src="https://rawgit.com/jquery/jquery/1.12.4/dist/jquery.min.js"></script>
	<script src="https://rawgit.com/moment/moment/develop/min/moment-with-locales.min.js"></script>
	<script src="https://rawgit.com/longbill/jquery-date-range-picker/master/dist/jquery.daterangepicker.min.js"></script>
	<link href="https://rawgit.com/longbill/jquery-date-range-picker/master/dist/daterangepicker.min.css" rel="stylesheet"/>
	</head>

	<body>

Hirurg103 / workon.sh

Last active September 3, 2018 14:33

I use this function to navigate between projects

	function workon() {
	echo "export CURRENT_PROJECT=$1" > ~/.current_project
	cd "$HOME/Documents/work/$1"
	}

	[[ -f ~/.current_project ]] && source ~/.current_project
	[[ $CURRENT_PROJECT ]] && cd ~/Documents/work/$CURRENT_PROJECT

Hirurg103 / fast_paginate.sql

Last active July 17, 2018 16:19

	# For mysql
	SET @id:=1
	SELECT id, @num:=@num + 1 AS num
	FROM (
	SELECT id FROM email_notifications ORDER BY created_at ASC
	) AS t
	HAVING MOD(num, 101) = 0;

	# For postgresql
	SELECT id FROM (

Hirurg103 / 1_mysql_lock_wait_timeout_problem.MD

Last active June 26, 2018 14:02

Initialize application

gem install rails -v 5.1.2 --no-ri --no-rdoc
rails _5.1.2_ new mysql_lock_wait_timeout_problem
cd mysql_lock_wait_timeout_problem

bundle exec rake db:create
bundle exec rails g model User first_name archived:boolean
bundle exec rails db:migrate

Hirurg103 / how_to_optimize.sql

Last active June 11, 2016 09:24

How to optimize this query?

	CREATE TABLE clients (
	first_name text,
	last_name text
	);

	INSERT INTO clients (first_name, last_name)
	(SELECT md5(random()::text) AS first_name, md5(random()::text) AS last_name
	FROM (SELECT * FROM generate_series(1,1000000) AS id) AS x);

	# trigram index

Hirurg103 / install_elasticsearch.sh

Last active June 7, 2016 20:33

Script which installs elasticsearch

	sudo apt-get update
	sudo apt-get install openjdk-9-jre
	wget https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-2.3.0.deb

	sudo dpkg -i elasticsearch-2.3.0.deb

	sudo update-rc.d elasticsearch defaults

	# remove

Hirurg103 / dump_database.sh

Last active September 21, 2017 10:11

	function dump() {
	time=$(date '+%H_%M_%S');
	date=$(date '+%Y_%m_%d');
	database=$1;

	dumps_dir="$HOME/dumps";
	mkdir -p "$dumps_dir/$date";

	dumpfile=$dumps_dir/$date/$time"_"$database"_dump".psql.gz
	pg_dump $database -W -U ontheway --no-privileges --clean --exclude-table=schema_migrations \| gzip > $dumpfile;

Hirurg103 / concord.rb

Last active May 17, 2016 14:33

	class Concord1 < Module
	def initialize
	define_a
	end

	def define_a
	puts self
	define_method :a do \| \|
	puts "a"
	end

Hirurg103 / setupmymac.sh

Last active October 6, 2017 23:37

	# install brew
	# this will also download and install XCode https://itunes.apple.com/us/app/xcode/id497799835?ls=1&mt=12
	# xcode-select --install
	sudo -u $USER /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" \ </dev/null
	brew update --force

	# fix homebrew permissions (see http://stackoverflow.com/questions/16432071/how-to-fix-homebrew-permissions)
	# sudo chown -R "$USER":admin /usr/local

	# mysql56 (mysql57 )

Дмитрий Hirurg103

Initialize application