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private myStream = new Subject();
private myStream$ = this.myStream.asObservable();

ngOnInit() {

  // Will only fire after 100 ms.
  this.myStream$
    .pipe(auditTime(100))
    .subscribe(e => console.log('will only fire after 100 miliseconds');
  

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  registerTransitionEnd<T extends {propertyName}>(el: FromEventTarget<T>, propName: string) {
    // Returns an Observable from DOM event 
    fromEvent(el, 'transitionend')
      .pipe(
        filter(({ propertyName }: T) => propertyName === propName) // Will only emit value for the wanted css prop name e.g. height 
      )
      .subscribe((_) => {
        this.transitionEnd.emit();
      });
  }

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  private unsubscribeDataFetch: Subject<void> = new Subject<void>();

   // polling data till we get what we need and stop 
   fetchData() {
    this.dataService
      .pipe(takeUntil(this.unsubscribeDataFetch))
      .subscribe((data) => actOnData(data));
  }
    
 actOnData(data) {

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some tools for diagrams in software documentation

Diagrams For Documentation

Obvious Choices

• Graphviz
• Pandoc

ASCII

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package main

import (
	"net/http"
)

func main() {
	go func() {
			http.ListenAndServe(":8001", &fooHandler{})
	}()

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#
# Executes commands at the start of an interactive session.
#
# Authors:
#   Sorin Ionescu <sorin.ionescu@gmail.com>
#

# Source Prezto.
if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/init.zsh" ]]; then
  source "${ZDOTDIR:-$HOME}/.zprezto/init.zsh"

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• Any allowed id and name attributes have "user-content-" prefixed to their value.
• A maximum of 2 nested sub or sup tags are allowed.
• A maximum of 10 nested ul or ol tags are allowed.

Allowed Element	Allowed Attributes
All allowed elements	abbr, accept, accept-charset, accesskey, action, align, alt, axis, border, cellpadding, cellspacing, char, charoff, charset, checked, clear, color, cols, colspan, compact, coords, datetime, dir, disabled, enctype, for, frame, headers, height, hreflang, hspace, id, ismap, itemprop, label, lang, maxlength, media, method, multiple, name, nohref, noshade, nowrap, open, prompt, readonly, rev, rows, rowspan, rules, scope, selected, shape, size, span, start, summary, tabindex, title, type, usemap, valign, value, vspace, width
a	As above plus href (must be github-mac, github-windows, http,

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This is an unofficial manual for the couchdb Python module I wish I had had.

Installation

pip install couchdb

Importing the module

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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

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{
  var separator = ',';
}

start
  = comma

comma
  = & { return separator = ','; } sv:sv { return sv; }