Angular/RxJS When should I unsubscribe from `Subscription`
When should I store the Subscription instances and invoke unsubscribe() during the ngOnDestroy life cycle and when can I simply ignore them? Saving all subscriptions introduces a lot of mess into component code. HTTP Client Guide ignore subscriptions like this: getHeroes() { this.heroService.getHeroes() .subscribe( heroes => this.heroes = heroes, error => this.errorMessage = <any>error); } In the
How to make audio autoplay on chrome
Audio autoplay is working in Mozilla, Microsoft Edge and old Google Chrome as well but not in Google Chrome 67+ due to a policy change for autoplay. They have blocked the autoplay (until specific session conditions are met as specified in the linked blogpost). How can one make audio autoplay in Google Chrome 67+?
Output UUID in Go as a short string
A universally unique identifier (UUID) is a 128-bit value, which is 16 bytes. For human-readable display, many systems use a canonical format using hexadecimal text with inserted hyphen characters, for example: 123e4567-e89b-12d3-a456-426655440000 This has length 16*2 + 4 = 36. You may choose to omit the hypens which gives you: fmt.Printf("%x\n", uuid) fmt.Println(hex.EncodeToString(uuid)) // Outp
'timezone' tag wiki
A time zone is a region on Earth that has a uniform, legally mandated standard time. As legal definitions of zones can vary wildly and change often, a database or lookup table is often required to properly apply time zone rules. General Information About Time Zones Almost all time zones on land have legally defined borders which coincide with the borders of the country mandating the time or some s
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