https://dfreniche.github.io/tags/swift/ Recent content in swift on www.freniche.com Hugo -- gohugo.io en-us Thu, 08 Oct 2020 00:00:00 +0000 https://dfreniche.github.io/posts/2020-10-08-drawing-icons-using-core-graphics/ Thu, 08 Oct 2020 00:00:00 +0000 https://dfreniche.github.io/posts/2020-10-08-drawing-icons-using-core-graphics/ Drawing icons using Core Graphics Sometimes you need to add an icon to your iOS app, The designer sends you that plain, simple icon. It can be a bitmap-based icon, like a PNG. Problem with those is they get blurry if zoomed in too much. So we can use a vector-based icon, like a Font Icon or a PDF. These are vector based, contains the instructions to draw the icon, not the icon itself. https://dfreniche.github.io/posts/2020-08-15-the-humble-assignment-operator/ Sat, 15 Aug 2020 00:00:00 +0000 https://dfreniche.github.io/posts/2020-08-15-the-humble-assignment-operator/ You’re starting to learn any programming language. From Assemmbler to Clojure, from Swift to COBOL. At some point you’ll want to assign a value to a memory position. It can be a constant or a variable. You just want to change that memory position. This is something so basic that CPUs have lots a lots of operations devoted to moving data around: setting the CPU registers, copying blocks of bytes from one place to another, moving data into the stack, etc. https://dfreniche.github.io/posts/2020-08-13-flatmap-optionals/ Thu, 13 Aug 2020 00:00:00 +0000 https://dfreniche.github.io/posts/2020-08-13-flatmap-optionals/ In my last post I wrote about why I think Swift is not a simple language. After all, if you need powerful, expressive constructs you´ll end up having some degree of complexity in there. My critique was more about how they market it as simple for beginners, when sometimes I have to scratch my head to understand some code. I´m dumb as a rock, that’s for sure, but have been typing code since ´88. https://dfreniche.github.io/posts/2020-07-27-swift-the-not-that-easy-to-learn-language/ Mon, 27 Jul 2020 00:00:00 +0000 https://dfreniche.github.io/posts/2020-07-27-swift-the-not-that-easy-to-learn-language/ Photo by Kimberly Farmer on Unsplash Apple markets Swift as The powerful programming language that is also easy to learn. Nope. Sorry to break this on you, but Swift is far from easy to learn. This is something I’ve been commenting in the past in Twitter, Slack and private conversations with other devs. To set a baseline, if I say Swift is not easy to learn, what would an easy to learn language look like? https://dfreniche.github.io/posts/2020-07-12-nef/ Sun, 12 Jul 2020 00:00:00 +0000 https://dfreniche.github.io/posts/2020-07-12-nef/ Sometimes I need to use a third party library (usually added to my project using CocoaPods) so I quickly grab it, integrate it and start adding code. But some frameworks are more difficult to understand, learn and use than others. Recently I’ve been learning RxSwift. I learn by trying out some code while reading or watching videos. I really need to code for it to stick. I can create a full-blown project and add that RxSwift dependency via CocoaPods, but what I don’t want it’s all the other stuff that comes with a project: storyboards, ViewControllers, etc.