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‘Blockchain Bandit’: How a Hacker Has Been Stealing Millions Worth of ETH by Guessing Weak Private Keys
28.4.2019
There are at least 732 weak private keys on the Ethereum blockchain alone which are being exploited by a “blockchain bandit”, who has amassed almost 45,000 ETH at this point. Learn more in our interview with security researchers who found him
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"...
Bitcoin 2019 Is Coming
24.4.2019
By Bitcoin 2019 As crypto winter begins to thaw and the frost starts to melt from the leaves of the token forest, a renewed sense of excitement is beginning to build in the Bitcoin community. Bitcoin has survived another down […]
The post Bitcoin 2019 Is Coming appeared first on CoinMarketCap
Could Grouping HTML Classes Make Them More Readable?
22.4.2019
You can have multiple classes on an HTML element:
<div class="module p-2"></div>
Nothing incorrect or invalid there at all. It has two classes. In CSS, both of these will apply:
.module { }
.p-2 { }
const div...
Make Browsing GitHub Easier and Faster with Octotree
22.4.2019
GitHub is an amazing tool that many of us developers use on a daily basis. While GitHub has many great features, one thing that I've always found it to lack is browsing speed. They've got keyboard
How to Get a Progressive Web App into the Google Play Store
19.4.2019
PWA (Progressive Web Apps) have been with us for some time now. Yet, each time I try explaining it to clients, the same question pops up: "Will my users be able to install the app using app stores?" The answer has traditionally been no, but this changed with Chrome 72 which shipped a new feature...
Faking env() to Use it Now
18.4.2019
There is already an env() function in CSS, but it kinda came out of nowhere as an Apple thing for dealing with "The Notch" but it has made it's way to be a draft spec. The point will be for UAs or authors to declare variables that cannot be changed. Global const for CSS, sorta.
That spec doesn't...
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...
Make Gmail Cleaner with the Simplify Chrome Extension
16.4.2019
Google Inbox is officially gone, and for many, it's a hard pill to swallow. Hardcore fans are desperate to try and fill the void that Inbox has left. Here's a piece of good news. The
Using the Web Speech API for Multilingual Translations
12.4.2019
Since the early days of science fiction, we have fantasized about machines that talk to us. Today it is commonplace. Even so, the technology for making websites talk is still pretty new.
We can make our pages on the web talk using the SpeechSynthesis part of the Web Speech API. This is still...
Inline SVG… Cached
12.4.2019
I wrote that using inline <svg> icons makes for the best icon system. I still think that's true. It's the easiest possible way to drop an icon onto a page. No network request, perfectly styleable.
But inlining code has some drawbacks, one of which is that it doesn't take advantage...
Edge Goes Chromium: What Does it Mean for Front-End Developers?
11.4.2019
In December 2018, Microsoft announced that Edge would adopt Chromium, the open source project that powers Google Chrome. Many within the industry reacted with sadness at the loss of browser diversity. Personally, I was jubilant. An official release date has yet to be announced, but it will be...
Get a CSS Custom Property Value with JavaScript
11.4.2019
Here’s a neat trick from Andy Bell where he uses CSS Custom Properties to check if a particular CSS feature is supported by using JavaScript.
Basically, he's using the ability CSS has to check for browser support on a particular property, setting a custom property that returns a value of either...
Firebase: Get Your Apps Off the Ground Blazing Fast
9.4.2019
Google has invested heavily to make Firebase a full-featured application platform for web. It's dirt cheap to use. It's reliable. It saves up to 50% of yo
Native Lazy Loading
9.4.2019
IntersectionObserver has made lazy loading a lot easier and more efficient than it used to be, but to do it really right you still gotta remove the src and such, which is cumbersome. It's definitely not as easy as:
<img src="celebration.jpg" loading="lazy" alt="..." />
Addy Osmani says...
Revisiting the Rendering Tier
5.4.2019
Have you ever created a well-intentioned, thoughtful design system only to watch it grow into an ever-increasing and scary codebase? I've been working in sort of the opposite direction, inheriting the scary codebase and trying to create a thoughtful system from it.
Here's Alex Sanders on the topic...
Decaying Sites
4.4.2019
Websites have a tendency to decay all by themselves. Link rot, they call it. Unpaid domain name registrations. Companies that have gone out of business. Site owners that have lost interest. What's sadder than a 404? Landing on a holding page of a URL that used to exist, but now has fallen into...
Form Validation in Under an Hour with Vuelidate
2.4.2019
Form validation has a reputation for being tricky to implement. In this tutorial, we’ll break things down to alleviate some of that pain. Creating nice abstractions for forms is something that Vue.js excels at and Vuelidate is personally my favorite option for validations because it doesn't require...
Who has the fastest website in F1?
2.4.2019
Jake Archibald looks at the websites of Formula One race teams and rates their performance, carefully examining their images and digging into the waterfall of assets for each site:
Trying to use a site while on poor connectivity is massively frustrating, so anything sites can do to make it less...
Awesome Automation and Integration with Buddy
2.4.2019
One of my favorite services for years has been IFTTT (If this then that). Having a service that allows me to trigger a host of functionalities with one simple action is amazing! Posting a picture to Instagram can trigger IFTTT to send a tweet, post to Facebook, email to friends, etc. I’ve...