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Ilya Cherevkov ilyacherevkov

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  • Moscow, Russian Federation
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@hrom512
hrom512 / ractor_workers.rb
Created October 18, 2020 15:55
Ruby 3.0 Ractor example
scheduler =
Ractor.new do
loop do
Ractor.yield Ractor.recv
end
end
workers =
8.times.map do |i|
Ractor.new(scheduler, Ractor.current) do |r_input, r_output|
@bretton
bretton / forex-scrape.md
Last active August 8, 2025 02:04
Scraping Forex Data

Scraping Forex Data

I was looking for ways to scrape forex data after fixer.io switched to a subscription model with rate-limiting, making their API useless for lots of queries.

1. Use an alternative API

One alternative API which is still free is https://exchangeratesapi.io/

It's basically a drop-in replacement for fixer.io and can be used to get all forex rates in json format at

@gpchelkin
gpchelkin / dante_setup.sh
Last active August 22, 2023 06:45
How to Setup SOCKS5 Proxy Server for (not only) Telegram using Dante on Ubuntu 16.04 / 18.04 / 20.04
### NOT A SCRIPT, JUST A REFERENCE!
# install dante-server
sudo apt update
sudo apt install dante-server
# or download latest dante-server deb for Ubuntu, works for 16.04 / 18.04 / 20.04:
wget http://archive.ubuntu.com/ubuntu/pool/universe/d/dante/dante-server_1.4.2+dfsg-7build5_amd64.deb
# or older version:
wget http://ppa.launchpad.net/dajhorn/dante/ubuntu/pool/main/d/dante/dante-server_1.4.1-1_amd64.deb
@dsample
dsample / README.md
Last active May 13, 2026 11:49
ASCII art diagrams

ASCI art characters for creating diagrams

Characters:

Single line

  • ASCII code 191 = ┐ ( Box drawing character single line upper right corner )
  • ASCII code 192 = └ ( Box drawing character single line lower left corner )
  • ASCII code 193 = ┴ ( Box drawing character single line horizontal and up )
  • ASCII code 194 = ┬ ( Box drawing character single line horizontal down )
@kenichi
kenichi / wsd.rb
Last active September 8, 2015 20:49
WebSocket::Driver client example with Celluloid::IO
require 'websocket/driver'
require 'socket'
require 'forwardable'
require 'celluloid/io'
class WSDTester
include Celluloid::IO
include Celluloid::Logger
extend Forwardable
@ChangJoo-Park
ChangJoo-Park / gist:5443017
Last active January 29, 2019 20:55
# Ubuntu 13.04 , linux mint install RVM with Ruby 2.0.0-p353 , Rails 4.0.0
# If you meet install errors, see abid-hussain's comment
sudo apt-get --force-yes install build-essential openssl libreadline6 libreadline6-dev curl git-core \
zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev \
libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison
&&
\curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enabled
@xentek
xentek / httparty-xml-example.rb
Created February 7, 2012 01:57
HTTParty with XML example
require 'httparty'
response = HTTParty.get('http://www.google.com/ig/api?weather=Chicago')
data = response.parsed_response
puts data['xml_api_reply']['weather']['current_conditions']['condition']['data']
@mhenrixon
mhenrixon / _form.html.haml
Created May 18, 2011 11:02
A complete sample of how to perform nested polymorphic uploads in rails using carrierwave
=semantic_form_for [:admin, @dog], validate: true, html: {multipart: true} do |f|
=f.inputs do
=f.input :name
=f.input :kennel_name
=f.input :birthdate
=f.input :gender, as: :radio, collection: {'Tik' => 'F', 'Hane' => 'M'}
=f.input :father_id, as: :select, collection: @dogs
=f.input :mother_id, as: :select, collection: @bitches
=f.semantic_fields_for :pictures do |pic|