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Bitcoin’s Software Has Been Rolled Back Before
9.5.2019
When Binance lost $40 million to hackers this week, the crypto community discussed reorganizing the chain after it was suggested by a developer from MIT. Many people were upset by this proposition, declaring that there was no way a coordinated effort with miners could be pulled off. However, most...
Despite $100K Pledged to Charity, Adam Back Remains Silent Over Proposed Debate
9.5.2019
There’s over $100,000 on the line that could be given to charity for about an hour of Adam Back’s time. If he chooses to debate Bitcoin Unlimited’s Peter Rizun over why he thinks it’s a bad idea to scale with larger blocks, Paxful’s Ray Youssef‏ has pledged $100K...
Why Cryptocurrency Investors Are Renouncing Their US Citizenship
9.5.2019
Andrew Henderson is the founder of Nomad Capitalist, a company which helps people from around the world move to different countries while minimizing their tax obligations. In recent years the company has created plans for dozens of people who made their wealth from the cryptocurrency sector...
Stay in Touch With Markets Using the Cryptowatch App
9.5.2019
Cryptocurrency prices and market trends are constantly in flux. Cryptowatch is an Android Wear application that updates users about price changes on the go. It’s always with you, even when your smartphone is not around or runs out of battery. Also read: Coin 360 Provides Color-Based Crypto...
Getting To Know The MutationObserver API
8.5.2019
MutationObserver watches the DOM, specifically the places you tell it to, like:
document.querySelector('#watch-this');
...and it can tell you (trigger a callback) when stuff happens — like when a child is added, removed, changed, or a number of other things.
I used it just the other day...
Type Conversion with JavaScript Arrays
7.5.2019
JavaScript’s loose nature allows developers to employ amazing tricks to do just about anything you’d like. I’ve detailed how you can filter falsy values in arrays using a filter(Boolean) trick, but reader David Hibshman shared another trick for typecasting array values the same...
How to Patch Retry System into Super Mario ROMs
6.5.2019
I find myself watching less TV lately and much more time enjoying gamers stream on Twitch. While I too much PUBG, and enjoy watching people like Shroud and ChocoTaco hit bangers, I get more enjoyment out of Grand Poo Bear, Barbarian, and others play ultra difficult Super Mario World ROM hacks....
Awesome Visual Testing with Percy! (Sponsored)
3.5.2019
The more complex the applications I work on, the more I rely on and invest in testing. Whether it’s flow typing, jest tests, unit tests, or selenium tests, I rely on all of them to enforce integrity and save me from myself. One type of testing that’s incredibly important but often...
Flow Object.values(…)
2.5.2019
JavaScript typing utilities, like Flow and TypeScript, have become popular in JavaScript apps of all sizes. As I mentioned in our Script & Style Show typing podcast, typing is a great way to implicitly implement documentation and validation. Flow isn’t always easy to perfect, however,...
JavaScript Detect Async Function
29.4.2019
JavaScript async/await has changed the landscape of how we code. We’re no longer stuck in callback or then hell, and our code can feel more “top down” again. Async functions require the following syntax: async function myFunction() { } To use await with a function, the function...
Preload, prefetch and other link tags
24.4.2019
Ivan Akulov has collected a whole bunch of information and know-how on making things load a bit more quickly with preload and prefetch. That's great in and of itself, but he also points to something new to me – the as attribute:
<link rel="preload" href="/style.css" as="style"...
How to Build an Underwater-Style Navigation Using PixiJS
24.4.2019
A tutorial on how to create a visually distinct and accessible WebGL menu that builds from any given HTML navigation.
How to Build an Underwater-Style Navigation Using PixiJS was written by Liam Egan and published on Codrops
Convert Video to Grayscale
24.4.2019
I’m a JavaScript fanatic but I’ve always been fascinated with media manipulation. Maybe it’s because I’ve secretly always wanted to be a designer, but I’m fine with being able to manipulate art with software instead of create the art myself. One type of art I’ve...
Netlify Functions for Sending Emails
23.4.2019
Let's say you're rocking a JAMstack-style site (no server-side languages in use), but you want to do something rather dynamic like send an email. Not a problem! That's the whole point of JAMstack. It's not just static hosting. It's that plus doing anything else you wanna do through JavaScript...
Remove Recent Applications from Dock
19.4.2019
A Mac user’s dock is a sacred place. We customize our dock to no end, and if you’re ultra organized like me, you even use dock separators to group your app icons. Apple recently implemented a feature which displays three recently used apps in the dock. For basic users that’s...
7 Useful JavaScript Tricks
16.4.2019
Just like every other programming language, JavaScript has dozens of tricks to accomplish both easy and difficult tasks. Some tricks are widely known while others are enough to blow your mind. Let’s have a look at {x} JavaScript tricks you can start using today! Get Unique Values of an Array...
Simulating Mouse Movement
15.4.2019
If you've ever had to display an interactive animation during a live talk or a class, then you may know that it's not always easy to interact with your slides and while talking.
This happened to me when I needed to show this particles demo to my students. I didn't want to have to stay next to...
Open FaceTime Call from Command Line
11.4.2019
Communication tools are always associated with UIs, and for good reason — if you want communication to be easy and intuitive, you need easy and intuitive interfaces. We need communication tools to provide the lowest barrier of entry, since not all users will be tech savvy. For tech experts...
How to Reverse a Video
9.4.2019
One of my favorite media utilities is ffmpeg. This command line utility allows us to do some pretty amazing stuff like; Slice videos Convert video formats Modify video speed Combine audio and video Every once in a while I see a meme or funny video that reverses a video for effect. Since ffmpeg does...
AI-Based Video Preview from Cloudinary (Sponsored)
8.4.2019
The early days of video on the web weren’t great. We started with custom browser plugins and codecs, then moved to Flash, and eventually we found our way HTML <video>. Once we solved the technology problem, we started using more video for content and advertising. The next problem...