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Jak nejlépe spočítat faktoriál v JavaScriptu?

4.1.2019
Nedávná diskuse na Facebooku mě přiměla, abych toto téma prozkoumal do větších detailů, než mi umožňovaly tamní komentáře. Tato otázka totiž kupodivu nemá jednoduchou odpověď. Když o ní začnete více přemýšlet, ponoříte se do některých zajímavějších oblastí JavaScriptu, které možná ne všichni znají

Background Sync with Service Workers

3.1.2019
Service workers have been having a moment. In March 2018, iOS Safari began including service workers — so all major browsers at this point support offline options. And this is more important than ever — 20% of adults in the United States are without Internet at home, leaving these...

How to Change the WordPress Admin Login Logo

2.1.2019
There are numerous content management systems that thrive these days but none are as prolific as WordPress. Every client wants the ability to change their website at a moment’s notice and they want to do it themselves, and again, WordPress is the best fit for that. You fit the client with...

How to Change the WordPress Media Upload Directory

2.1.2019
One thing I’ve always missed about the “old” way of web development was the simplicity of FTP. No deploy scripts, no fuss: simple drag and drop of files and the files are there. I’ve used FTP for assets on this blog for over a decade but I’m finally ready to be lazy...

Goals for 2019

31.12.2018
Every turn of the year is a new opportunity to start over, set goals, and renew optimism that time can heal wounds and drive us to change and achieve. I did really well with my 2018 goals: I started a fun podcast with TrackJS’ Todd Gardener I found my passion again by joining Mozilla’s...

How to Send an iMessage From Command Line

30.12.2018
As somewhat of a recluse, believe me when I say that text messages, instant messenger, and iMessage have relieved me of loads of anxiety and wasted time with short, meaningless voice chat. It’s been a decade since these communication types have become popular so we’ve moved on from...

How to Add a User Stylesheet in Firefox

29.12.2018
While many like to complain about CSS these days, it’s important to remember how amazing CSS is; the CSS language is: easy to learn easy to read easy to write simple to understand Web developers and designers alike love that CSS allows us to take text/media and present it in a beautiful...

Nested Destructuring

25.12.2018
Destructuring in JavaScript can initially feel confusing but the truth is that destructuring can make your code a bit more logical and straight forward. Destructuring does look a bit more complex when you’re looking for a property several objects deep, so let’s have a look at how to...

Force Download with JavaScript

24.12.2018
Force download scripts have been an important part of internet usability for a long time.  I can attest to that by the number of times I’ve implemented this feature on the server side and the popularity of my PHP Force Download post, even to this day.  With the web world having...

CSS Ellipsis Beginning of String

18.12.2018
I was incredibly happy when CSS text-overflow: ellipsis (married with fixed width and overflow: hidden was introduced to the CSS spec and browsers; the feature allowed us to stop trying to marry JavaScript width calculation with string width calculation and truncation.  CSS ellipsis was also very...

JavaScript waitForever

10.12.2018
Writing mochitests for new features in DevTools can be difficult and time-consuming.  There are so many elements interacting in an async manner that I oftentimes find myself using the debugger to debug the debugger!  In the case where it’s unclear what interaction isn’t working...

Jaké novinky přinese PHP 7.3

28.11.2018
Vydání PHP 7.3 je plánováno na 6. prosince 2018. Přináší několik nových funkcí, vylepšení a různá pročištění jazyka. Oproti jiným vydáním mu sice chybí nějaký trhák, ale na druhou stranu nepřibyly ani žádné zásadní nekompatibilní změny, takže upgrade bude snadný

Get Viewport Lines and Columns in CodeMirror

27.11.2018
CodeMirror is an amazing utility for presenting code in a browser environment.  Syntax highlighting, widgets, and a number of advanced functions make it a unique, useful tool.  When using CodeMirror inside the Firefox DevTools debugger, I found that adding hundreds of column breakpoint widgets...

Replace Last Command in Shell

26.11.2018
Whether I fat-finger a command or my MacBook Pro keyboard’s keys don’t want to respond like they should, I’m frequently misspelling commands.  What’s more frustrating is that many of these commands are long, taking making fixing theme time-consuming. Luckily a Twitter...

Důvěryhodnost domény se zabezpečením DNSSEC

19.11.2018
Chcete vědět, jakou doménu si kvůli bezpečnosti vybrat? Čím jsou české domény chráněné a jak takové zabezpečení pracuje? Pro kvalitní zabezpečení proti podvržení stránek úspěšně funguje zabezpečení DNSSEC, kterým jsou zabezpečeny také české domény

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