OrchardNest

Hallo vrienden, Leo here. Today we see a very short example of initializer in Swift. Structure types automatically receive a memberwise initializer if they don’t define any of their own custom initializers. Unlike a default initializer,...

Hallo tovenaars en heksen, Leo here. Today we will explore some curious things that you can do to make your life easier with functional programming. The goal is to make your code describe what is it doing instead of have to figure it out....

Hallo iedereen, Leo hier. Today we will explore an easy but tricky problem about tab bar controllers. UITabBarController is a very handy component when you want to flat the navigation of your app. The problem is that the default...

Hallo vrienden, Leo here. This week my friend Tales teach me about one Xcode feature that bugged my head for a long time. Did you notice that sometimes you open a new file in a new tab and sometimes you open new files replacing the tab you...

Hello dear colleagues, Leo here. Today we'll explore some dragging views and a particular problem that I had when trying to do that. The code will be the simple as it can be to focus on what is interesting about dragging views in iOS....

Hello Queens and Kings, Leo here. Today we'll explore one of the basics concepts about cryptography, of course I'm talking about hashing. Hashing is so important that it's baked into Swift Standard Library, because it enables two out of...

Hello passionate coders, Leo here. Today we'll continue the Algorithms series here. The algorithm envolve binary tree data structure and some recursion, stay here to explore this challenge. The problem statement you can find and test at...

Hello ladies and gentlemen, Leo here. This will be a very long and interesting(I hope) post because the subject today is... Architecture, more specifically coordinator pattern. The coordinator pattern comes to help the situation where you...

Hello functional and object developers, Leo here. Today we'll explore a operator typically embedded in functional programming . The pipe operator is useful when we have long chain of functions that the return value is used as input value...

Hello fellow developers, Leo here. Today will be a quick topic about framework building and the difference between public and open access control levels. This masterpiece was painted by Jacques Fouquier, Jacques Fouquières or Jacob...

Hello princesses and princes, Leo here. This will be an 1 year blog celebration post. I want to cheer all the readers that have been reading so far, and I'm excited for the new journey ahead. Of course for this post not to be only me...

Hello Queens and Kings, Leo here. Today I'll start one series about everything related to iOS interview process. The history started here: the Babylon health iOS github . There you can see that shared all theirs interviewing process and I...

Hello ladies and gentlemen, Leo here. Today we'll do some explorations in MapKit. If you are into MapKit, a huge fan of maps, a cartographer (never knows) or just want to know how to auto resize a map base in two annotations, this post is...

Hello my fellow peers, Leo here. Today we'll explore one thing that I recently discovered and I want to share with you all. When you create a framework in iOS development it can be various things, today we'll focus on only two of those...

Hello my comrades, Leo here. Today we'll continue the algorithm series solving a classic Two Pointer technique. So let's go to the problem . The image is The problem You have a list of sorted integers and you want to create a func that...

Hello my brilliant readers, Leo here. Today we'll explore one of the oldest reactive techniques that you can easily implement in pure Swift. But why would you do that if you have Combine or RxSwift. Well, maybe you don't want to add all...

Hello witches and werewolfs, Leo here. Today we'll explore some Swift Standard Library. Today the topic is about the lesser known Dictionary initializers, recently I discovered that Dictionaries in Swift has 7, yes you read it right, SEVEN...

Hello my fellow sorcerers and witches, Leo here. Today we'll explore some parsing magic that you can do to handle the way your API deal with json. It's a important topic because oftentimes your backend APIs will send you data that isn't...

Hello friends, Leo here. Today we'll quickly explore a problema with images and layouts. Aspect ratio is an important feature to master because nowadays we have a bunch of screen sizes, this implies on layout changing regarding the width...

Hello my friends, Leo here. Today we'll explore some UI/UX post about how Apple recommends the use of tab bar in app navigation. The tab bar is used by a variety of apps and Apple use it a lot for example in App Store, Podcasts, Clock and...

Hello everyone, Leo here. This is the swift algorithm series and today we'll explore a very common linked list problem. Not very often when you are dealing with linked lists you have to deal with pointers, one example is when you have to...

Hello boys and girls, Leo here. Today we will explore one great feature of property wrappers, the projected value. It is very useful when you want to have a little more info about the wrapped value. Ex: you have a property wrapper that set...

Hello guys Leo here, Today will be a quick tip because "no time" constraints. And the reason for the imagem it's because is a table... got it? Let's go. Problem You want the UITableViewCell separator go all width of the screen. You can...

Hello ladies and gentlemen, Leo here. Today we'll discuss a great language feature called associatedtype. In general terms, associatedtype is used when you need to have generic behaviour in your protocols. It's important because as apple ...

Hello everyone, Leo here. Today we'll explore one of the LIS problems. The longest increasing subsequence is a very classic problem of computer science and has various approaches. Today we'll exam the Dynamic Programming one because is...

Hello ladies and gentlemen, Leo here. Today we'll explore an amazing language feature called copy-on-write. First of all we will introduce the differences between value types and reference types, after that I'll show how to check the...

Hello fellow tech developers, Leo here. This week we'll explore some old apple framework to create and export asymmetric keys. This is particularly important because you must need to secure communicate with some server and asymmetric keys...

Hello people, Leo here. Today we're explore one kind of hidden operator called pattern matching operator or expression pattern operator. This is behind the scene used as switch statement operator by Swift. So let's see how can we use it...

Hello ladies and gentlemen, Leo here. Today we'll explore the OperationQueue class and how it can help you improve your async operations. The scope is introductory therefore we won't going to explore every possibility with OperationQueues,...

Hello ladies and gentlemen, Leo here. Today the topic is lazy variables and why it's important you to know. The lazy var are a special type of var that means the variable value isn't calculated until we first use. This brings to table the...

Hello people, Leo here. Today we'll explore how can we get values from array but avoiding crashes in your app. Image explanation: array safe get with the bank safe, it's all about the safeness. Got it? (: So let's go! Problem I want to...

Hello everyone, Leo here. Today we'll explore two very important concepts and crucial for problem solving involves search on graphs, trees, etc. So let's go! The problem I need to traverse some data structure in breadth or in depth. Long...