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module DateScopes
extend ActiveSupport::Concern
module ClassMethods
def define_date_scopes(*scope_columns)
scope_columns.map(&:to_s).each do |column|
match_data = column.match(/^(.*)_at$/)
name = match_data ? match_data[1] : column
load 'deploy'
# Uncomment if you are using Rails' asset pipeline
load 'deploy/assets'
load 'config/deploy' # remove this line to skip loading any of the default tasks
// XPath CheatSheet
// To test XPath in your Chrome Debugger: $x('/html/body')
// http://www.jittuu.com/2012/2/14/Testing-XPath-In-Chrome/
// 0. XPath Examples.
// More: http://xpath.alephzarro.com/content/cheatsheet.html
'//hr[@class="edge" and position()=1]' // every first hr of 'edge' class
# make_dump(){
# now=$(date +"%Y%m%d")
# pg_dump -Fc -U deployer -w mercury_production -f ~/manual_dumps/mercury_sa_$now.dump
# }
_pg_restore(){
if [[ -z $1 ]]; then
echo Database is not specified
return 0
fi
require 'axlsx'
require 'batch_factory'
def off_balance?(count)
!(count =~ /^0\d\d/).nil? || !(count =~ /^\D/).nil?
end
keys = [:code, :name, :sub1, :sub2, :sub3]
skk = BatchFactory.from_file('skk.xlsx', keys: keys).drop(1)
@ivanovaleksey
ivanovaleksey / iterm2-solarized.md
Created March 2, 2017 12:59 — forked from kevin-smets/iterm2-solarized.md
iTerm2 + Oh My Zsh + Solarized color scheme + Meslo powerline font + [Powerlevel9k] - (macOS)

Default

Default

Powerlevel9k

Powerlevel9k

@ivanovaleksey
ivanovaleksey / The Technical Interview Cheat Sheet.md
Created March 4, 2017 09:53 — forked from tsiege/The Technical Interview Cheat Sheet.md
This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

  • Stores data elements based on an sequential, most commonly 0 based, index.
  • Based on tuples from set theory.
require 'dry-struct'
module Types
include Dry::Types.module
end
class Button < Dry::Struct
attribute :text, Types::String
end
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ivanovaleksey / out.sh
Created December 7, 2017 11:39
FFmpeg: RTP - MP4
#!/bin/bash
ffmpeg \
-protocol_whitelist file,udp,rtp -i sdp.test \
-c:v libx264 -c:a aac \
-y test.mp4
# ffmpeg \
# -protocol_whitelist file,rtp,udp -i sdp.test \
@ivanovaleksey
ivanovaleksey / videoroom.md
Created December 14, 2017 15:58
Describe videoroom plugin flow
  1. OUT: Join
{request: "join", room: 1234, ptype: "publisher", display: "a"}

Создается participant (с типом publisher) и добавляется в комнату.

g_hash_table_insert(videoroom->participants, janus_uint64_dup(publisher->user_id), publisher);