trivektor

{
  "languages": [
    "HTML",
    "CSS",
    "JavaScript",
    "TypeScript",
    "Python",
    "PHP",
    "Ruby",
    "Java",

trivektor

/*
********************************************************************************
Golang - Asterisk and Ampersand Cheatsheet
********************************************************************************

Also available at: https://play.golang.org/p/lNpnS9j1ma

Allowed:
--------
p := Person{"Steve", 28} 	stores the value

trivektor

var util = require('util'),
    http = require('http'),
    events = require('events');

var Twitter = function(opts) {
    this.username = opts.username;
    this.password = opts.password;
    this.track = opts.track;
    this.data = '';
};

trivektor

GraphQL

• https://www.robinwieruch.de/graphql-apollo-server-tutorial/
• https://medium.com/shakuro/building-apis-with-graphql-and-ruby-on-rails-dbcc2e00bd99
• https://medium.com/graphql-mastery/graphql-quick-tip-how-to-pass-variables-into-a-mutation-in-graphiql-23ecff4add57

iOS

trivektor

$ echo 'gem "webpacker"' >> Gemfile
$ bundle install
$ rails webpacker:install
$ yarn add [email protected] jquery popper.js

diff --git a/config/webpack/environment.js b/config/webpack/environment.js
index d16d9af..86bf1a7 100644

trivektor

Installing Cassandra on Mac OS X

Install Homebrew

Homebrew is a great little package manager for OS X. If you haven't already, installing it is pretty easy:

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"

trivektor

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

trivektor

    if (!_isEmpty(executedCode)) {
      // https://nodejs.org/api/vm.html
      const vm = require('vm');
      const babel = require('babel-standalone');

      const sandbox = {
        project,
        projectId,
        require: require,
      };

trivektor

1/ Compare file between 2 different branches

git diff mybranch master -- myfile.cs

trivektor

// ES6 w/ Promises
// Note: From a React starter template - see https://t.co/wkStq8y3I5
function fetchData(routes, params) {
  let data = {};

  return Promise.all(routes
    .filter(route => route.handler.fetchData)
    .map(route => {
      return route.handler.fetchData(params).then(resp => {
        data[route.name] = resp;