Gram matrix
An elegant algebraic identity says If x is the vector [a b] and y is the vector [c d] then this identity can be written where the dot indicates the usual dot product. I posted this on Twitter the other day. Gram matrix Now suppose that x and y are
Read moreThe Ultimate Guide to Building SwiftData Applications
SwiftData made its debut at WWDC 2023 as a replacement for the Core Data framework. Serving as a wrapper on top of Core Data, SwiftData…Continue reading on Better Programming »
Read moreThe best e-bikes for every type of rider and where Chinese EV makers are headed
Welcome back to The Station, your central hub for all past, present and future means of moving people and packages from Point A to Point B. Reporter Rebecca Bellan is back in the driver’s seat the next couple of weeks as I stash my laptop and head out for some
Read moreDemystifying Kotlin’s Channel Flows
Why does Kotlin have two almost identical flow builders, and which one should you be using?Continue reading on Better Programming »
Read more(Yet) Another Way to Harm Performance With Moment.js
Image generated with canva.comMoment.js, a widely recognized date manipulation library, has been in legacy mode for almost three years now, starting from September 2020. However, it’s still slightly more used than its popular competitors such as dayjs and date-fns, at least according to npm stats (~17M weekly downloads vs ~14M
Read moreEliminating food waste is the next frontier in saving the planet
In the race to reach carbon neutrality, many businesses are looking for various ways to cut emissions, whether through limiting high-carbon transit, becoming more energy efficient at home, or reducing our consumption of meat. But there are some things that individual consumers can do that don’t require massive lifestyle changes,
Read moreSeven things every EV fast-charging network needs
People love their electric vehicles. In survey after survey, the vast majority of EV owners say that their next car will also be electric. EVs score top marks nearly across the board except one: fast charging. While most people do almost all of their charging at home, fast charging is
Read moreClair raises, Deel defends allegations and Mercury shares post-SVB growth figures
It was a short week and that was reflected in the amount of news we covered in fintech land last week. But there was still plenty to talk about, including Clair’s raise, some allegations against Deel and exclusive post-SVB growth numbers shared by banking services startup Mercury. On-demand pay gets
Read moreCircular, hyperbolic, and elliptic functions
This post will explore how the trigonometric functions and the hyperbolic trigonometric functions relate to the Jacobi elliptic functions. There are six circular functions: sin, cos, tan, sec, csc, and cot. There are six hyperbolic functions: just stick an ‘h’ on the end of each of the circular functions. There
Read moreSwift Enums Design Systems
Implement design systems with progressive disclosure — utilise the Swift type system for simple, customisable SwiftUI componentsIf you’ve worked on any large development projects, you’ll likely have encountered a design system. A design system is a library that encapsulates your branding into reusable components, colors, fonts, icons, and motifs, to help ensure
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