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Git submodules best practices

Useful commands

— Clone repository with submodules automatically:

git clone --recursive [email protected]:name/repo.git

— Initialize submodules after regular cloning:

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Angular 2 match other field validator

This custom validator for Angular 4 allows you to have fields that must be equal to some other fields. Such validator is very useful for password confirmation validation, for example.

Besides checking if two values are matching, it also subscribes to changes from other control and re-validates when either of two controls is updated.

Usage

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npm 5 vs yarn

Looks like npm decided to stand up to yarn by releasing npm version 5, which is announced to be 5 times faster than previous version of npm.

I've decided to test it in one of my projects, the results are below:

Performance Benchmark

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main.bundle.js:1494 Uncaught TypeError: Object.setPrototypeOf called on null or undefined
    at setPrototypeOf (<anonymous>)
    at webpackJsonp.../../../../../src/ui-components/src/components/checkbox/checkbox.component.ts.__extends (main.bundle.js:1494)
    at checkbox.component.ts:18
    at Object.../../../../../src/ui-components/src/components/checkbox/checkbox.component.ts (checkbox.component.ts:19)
    at __webpack_require__ (bootstrap e9bc34c43daefa8fa1f1:54)
    at Object.../../../../../src/ui-components/src/ui-components.module.ts (ui-components-samples.module.ts:80)
    at __webpack_require__ (bootstrap e9bc34c43daefa8fa1f1:54)
    at Object.../../../../../src/app/html-outlet.directive.ts (home.component.ts:8)
    at __webpack_require__ (bootstrap e9bc34c43daefa8fa1f1:54)

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@Component()
export class SomeComponent implements AfterViewInit {

  @ViewChild(RouterOutlet)
  outlet: RouterOutlet;

   
  ngAfterViewInit (): void {
    if (this.outlet.isActivated) {
      this.doSomethingWithComponent(this.outlet.component);

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$ systemd-resolve --status
Global
          DNSSEC NTA: 10.in-addr.arpa
                      16.172.in-addr.arpa
                      168.192.in-addr.arpa
                      17.172.in-addr.arpa
                      18.172.in-addr.arpa
                      19.172.in-addr.arpa
                      20.172.in-addr.arpa
                      21.172.in-addr.arpa

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server {

    listen 80 default_server;

    root /var/www;

    location /health-check {
        try_files /health-check.html =404;
    }

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const numbers = [2, 4, 6, 8, 9, 15];

// Expected result: [4, 16, 64]

// Sorting numbers ascending.
numbers.sort((n1, n2) => n1 > n2);

const firstNumber = numbers[0];
const lastNumber = numbers[numbers.length - 1];

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const requests = [
  {requestId: 't2', startedAt: 1489744808, ttl: 8},
  {requestId: 't3', startedAt: 1489744803, ttl: 3},
  {requestId: 't1', startedAt: 1489744806, ttl: 12},
  {requestId: 't4', startedAt: 1489744810, ttl: 1}
];


let min = requests[0].startedAt;

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const Metalsmith = require('metalsmith');
const inPlace = require('metalsmith-in-place');

Metalsmith(__dirname)
  .source('./src')
  .destination('./build')
  .use(inPlace({
    pattern: '**/*.njk',
    engineOptions: {