A rather geeky/technical weblog, est. 2001, by Bramus
<SafeAreaView />One of the elements that shipped with React 0.50 is <SafeAreaView />. It’s a component which you can use to prevent your content from creeping below The Notch and Home Indicator on iPhone X. import { // … SafeAreaView } from 'react-native'; class Main extends React.Component { render() { return ( <SafeAreaView style={styles.safeArea}> <App /> …
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context (React 16.3.0)One of the new things in React 16.3.0 is a new context API: Typically, data in a React application is passed top-down (parent to child) via props. But sometimes it’s useful to pass values through multiple levels of abstraction without involving each intermediate. Examples include a locale, or a UI theme. Context in React provides …
UPDATE December 2019: This feature has now advanced to Stage-4 and will be part of the ES2020 Specification! 🎉 One of my favorite ECMAScript Proposals is the “Optional Chaining Operator”. Another proposal that forms great duo with it is the “Nullish Coalescing Operator” (sometimes also referred to as “Nullary Coalescing Operator”). Both proposals still are …
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👋 This post also got published on Medium. If you like it, please give it some love a clap over there. At the latest TC39 meeting the new features that will make it into the “ECMAScript® 2018 Language Specification” (ES2018) have been selected. All proposals that have reached stage-4 since the consolidation of ES2017 got …
Continue reading “JavaScript: What’s new in ECMAScript 2018 (ES2018)?”
When recently publishing an app to the App Store (or at least trying to get it published back then), I couldn’t upload the app via the Application Loader. I got back ERROR ITMS-90717 “Invalid App Store Icon. The App Store Icon in the asset catalog in ‘Your.app’ can’t be transparent nor contain an alpha channel.” …
Continue reading “Fixing iTunes Connect “ERROR ITMS-90717” with ImageMagick”
👋 This post also got published on Medium. If you like it, please give it some love a clap over there. Earlier today, in a post entitled Secure Contexts Everywhere, it was announced on the Mozilla Security Blog that Firefox from now on will only expose new features such as new CSS properties to secure …
Say you have a JavaScript object like this: const user = { firstName: ‘Bramus’, lastName: ‘Van Damme’, twitter: ‘bramus’, city: ‘Vinkt’, email: ‘[email protected]’, }; And now say you want to create a copy of the whole object, containing all properties except for the email property. # The oldskool way: The first idea that came to …
Continue reading “JavaScript: Remove a property from an object immutably by destructuring it”
./freshinstallRecently I configured my new MacBook Pro. I decided to start with a clean slate and not migrate anything from my old MacBook. To configure macOS I whipped up ./freshinstall, which automates that process. Steps included are: Configure macOS Preferences and the like Generate and load SSH keys Install the essentials: XCode, Git, Homebrew Copy …
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👋 This post also got published on Medium. If you like it, please give it some love a clap over there. Late 2016, Stoyan Stefanov published “Oversharing with the browser’s autofill”. It’s an article on stealing personal data using the browsers their form autofill feature. The attack works by leveraging abusing the fact that autocompletion …
From “What Really Happened with Vista: An Insider’s Retrospective” by Ben Fathi: The three year release cycle meant we rarely knew what the competitive landscape and external ecosystem would look like when we started a release […] What we thought we knew three or four years ago when we planned a given OS release was …