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Oleg Ivanov morhekil

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View gist:95403e0fd1660443ed6d8d93ae3c09ca

Node.js Workshop

Prework:

  • Install node
  • Download repo and get it running
  • Sign up for trial account for lambda service

Day 1

View irbrc
# Some default enhancements/settings for IRB, based on
# http://wiki.rubygarden.org/Ruby/page/show/Irb/TipsAndTricks
require 'irb'
unless defined? ETC_IRBRC_LOADED
# Require RubyGems by default.
require 'rubygems'
# Activate auto-completion.
@morhekil
morhekil / case.js
Created Aug 29, 2017
mobx computed behaviour test case
View case.js
import { whyRun, observable, computed } from 'mobx';
class Store {
@observable value = false;
@computed get notValue() {
whyRun();
return !this.value;
}
}
View tryme.rb
class Tryme
def call1
target = 'boom'
puts target
end
def call2
self.target = 'boom'
puts target
end
@morhekil
morhekil / ios-how-to-communicate-with-iframes.md
Last active Jan 24, 2018 — forked from wayne5540/ios-how-to-communicate-with-iframes.md
This article is to show how to inject JavaScript into iframs under iOS web view and so we can communicate with it.
View ios-how-to-communicate-with-iframes.md

[iOS - Swift] How to communicate with iFrames inside WebView

One of the core technologies at the heart of Onefill is its ability to auto-fill even the most complex form on a website with 100% precision, with a single tap. And the techology that built does allow us to do just that, but with one exception - iframes.

And while you might think that iframes are a thing of the past (who would use them these days, right?) - the reality is that they're often powering some of the most critical piece of functionality there is on online store - its payment

View building-a-graphql-api-in-rails-part-1.md

Building a GraphQL API in Rails - Part 1

This is a series blog post cover above three topics of GraphQL:

  1. About GraphQL
  2. Building a basic API with Rails
  3. Some best practices

GraphQL has been around for a while already, and it is not a new thing. The reason I decided to investigate it is because Github have recently released their GraphQL API alpha. Github has been on a forefront of API-driven development for quite some time now, and their RESTful API is an exemplary API design used as a reference by many developers - so it's pretty interesting to see what's new they have released.

View rails-json-schema-validation.md

Validate JSON schema in Rails

Topics

  1. What/Why JSON schema
  2. Apply to rails model validation
  3. Test your API endpoint with schema matcher
  4. Homework for a curious reader
  5. References
@morhekil
morhekil / README.md
Created Oct 8, 2016
TCPSocket based implementation of ServerRenderingPool for react-on-rails, with safe error handling and auto-reconnect
View README.md

This is an implementation of ServerRenderingPool for react-on-rails that connects to NodeJS process over a TCP socket, instead of a UNIX socket.

The code handles socket disconnections, and attempts to reestablish connection to NodeJS server process in these cases. Also, if a connection-related exception was caught, it will not raise an exception in Rails server, but report it to Airbrake and return empty result - to let standard front-end code deal run its course.

The should be placed into an initializer (e.g. config/initializers/react_on_rails.rb), and its configuration block expanded with your usual configuration.

@morhekil
morhekil / i18n.js
Last active Aug 9, 2016
I grew frustrated trying to deal with FormatJS, react-intl et al, and wrote a simple wrapper around polyglot, numeral and moment js to localise a React app.
View i18n.js
// Simple i18n wrapper around polyglot, numeral and moment libraries:
// http://airbnb.io/polyglot.js/
// http://numeraljs.com/
// http://momentjs.com/
//
// This is to achieve goals:
// 1. Have a locale message storage that can be decomposed into subsets,
// and passed down the dependency chain. Think providing a subset of locale
// strings to child components.
// 2. Centralise configuration, and normalise API of both moment and numeral
View morhl-request.xml
<?xml version="1.0" encoding="UTF-8"?>
<env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.playngo.com/2007/06" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
<env:Header><Operator xmlns="http://www.playngo.com/2007/06"><Login>rsp</Login><Password>xxx</Password></Operator></env:Header>
<env:Body>
<GetCasinoHistoryRequest xmlns="http://www.playngo.com/2007/06">
<Session>4f23....e145</Session>
<Product>PlaynGOCasino</Product>
<From>2016-04-30</From>
<To>2016-05-01</To>
</GetCasinoHistoryRequest>
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