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What happens when a single person can build what used to require a team? The answer is reshaping everything we know about software development.

Most developers use LLMs straight out of the box and wonder why the code looks nothing like production. Here's how to teach them your style...

What if I told you that you could save hours of development time every week? Swifty Stack course will help you master the most efficient frameworks, tools, and techniques to accelerate your app creations like never before.

Continuing series on crafting your very own developer tool, we're delving into the heart of the process! Explore the intricacies of modeling log entries and building a dynamic filtering system that tailors to your needs.

Crafting a dev tool? Here's how I'm implementing an easy-to-use toggle to unveil a more complex UI for my latest project.

Achieving Financial Independence and leveraging this to improve your lifestyle offering you more control and choice

Caught in the relentless grind of the tech industry? Discover a better way. Dive into the crucial shift from overwork to balance and how it can transform your life and productivity. It's time we redefined success and debunked the myths of the 'Hustle Culture'.

Tracking property changes and intelligently avoids redundant computations by leveraging custom memoization system, leading to more efficient and performant apps.

As a software engineer, burnout can be common due to the demanding nature of the job. Prioritizing self-care, setting realistic goals, managing workload, taking breaks, practicing self-care, and setting boundaries can help prevent burnout and maintain a healthy work-life balance.

Set of best practices for The Composable Architecture projects based on experiences of the team at The Browser Company.

Let's use Sourcery to automate and customize our Widget architecture.

Converting prototype component system to data-driven w/ live reloading & automation using Sourcery for easier maintenance & reliability

Let's start exploring a component-based architecture slightly different from the usual patterns we use.

What are your favorite Swift debugging tips?

Let's talk about using multi-store pattern in TCA as a way to improve the performance and maintainability.

Last week I spoke at NSSpainX to talk about how to use Composable Architecture in larger projects, the kind of issues you might run into and how you can...

How to evaluate problem areas you see in day-to-day development to assess whether they could be solved at a scale of your team/company or the whole community?

Now that we added some structure to our TCA actions, let's add automation and convenience API's.

To maintain our codebases for years, we must create boundaries across modules. Here's my approach to doing that with The Composable Architecture.

Let's explore couple of atypical Sourcery use-cases.

How can you leverage masking to build a captivating content reveal effect?

How often have you wanted to change some small setting in your application? Let's build a generic solution.

The year is 2040, and our newest MacBook M30X processors can compile large Swift projects perceivably instantaneously, sounds pretty amazing, right?

As you probably know I’m also a big proponent of TDD/BDD, so let’s start by talking about what I don’t like about the way TCA does testing.

No matter how experienced we are, we are bound to make mistakes in our work. This simple fact is one of the reasons why Code Reviews have become the...

We define ego as a person’s sense of self-importance. It’s an attribute that contributes to building up your identity and figuring out what you want in life.

I've been a fan of Point FreeComposable architecture for a while now.

Yesterday I was interviewed by Apple Treats You can watch the recording here:

Two weeks ago I've released Sourcery Pro, the most powerful Xcode extension that exists.

Today I'm happy to announce a new mac app that extends Xcode features. This is an effort of over 1000 hours, so if there was ever time to show your support...

Lately, I've spent a significant amount of time thinking about my career: what I've done so far and what might lie ahead for me.

A lot has been written about improving Swift compile times, but the compiler and linker are just part of the equation that slows down our development cycle.

`Codable` is a great protocol for automating simple model persistence, but it lacks support for any kind of versioning or migrating the data from older...

If your app has a lot of content, chances are that by the time you get a chance to work on a bug report, the data that the bug appeared on will be long gone.

Have you ever written tests? Usually, they use equality asserts, e.g. XCTAssertEqual, what happens if the object isn't equal? Xcode throws a wall of text at...

LifetimeTracker can surface retain cycle / memory issues right as you develop your application, and it will surface them to you immediately, so you can find...

I've recently spoke at CraftConf about metaprogramming in Swift using my Sourcery

I like using composition and dependency injection, but when you need to inject each entity with multiple dependencies, it can get cumbersome fast.

Closures in Swift are extremely useful, they are interchangeable with functions and that creates a lot of opportunities for useful use-cases. One thing we...

I've been interviewed at Swift Coders podcast: I'm definitely investing into a better Microphone next time I'm doing any audio recording.

People use different words to classify Engineer skill, some companies give you more senior role just based on a number of years you have been working there,...

Writing tests in iOS apps is a touchy subject. Not everyone is so privileged to be able to write tests full-time, for different reasons.

Iterating over design that needs to be reflected in code can be tedious and time-consuming. Typically the designer works in graphics editing software and...

Swift has very limited runtime support and no meta-programming features. I created a new tool that changes that, it's called Sourcery

Even if we are writing pure Swift code in our app, we still deal with Objective-C Frameworks like UIKit.

As I open source another framework this week, I wanted to share few thoughts about building developer tools.

Many of us already write unit tests and run continuous integration servers, we can also leverage great tools like Danger to easily add some checks to the...

Logging is one of the rare cases when you could probably justify having a singleton, but with Swift Protocol Extension you don't need to.

I recently did a talk in Prague about iOS Application Architecture, you can watch it here.

A list of 8 books that Krzysztof Zabłocki believes everyone should read to improve their life.

What is programming? For me it has always been about solving problems, and analytical thinking. Does it matter what language or platform you solve problems...

When working on iOS app, now more than ever one should avoid having view controllers pushing other view controllers around.

As we are closing this year, let's take a look at few simple things you can add to your iOS developer toolbox to make your life easier and be more...

A friend showed me animations from Stripe Checkout and asked: "how could we implement that on iOS?" Learn how to harness Core Animation for folding, shaking, and button animations.

I've found myself using Xcode a lot more than I did in Objective-C. One of things I’ve missed a lot from my AppCode setup, is the  ability to jump to...

Perfection is not something one can truly achieve, so it's very smart that one of the best meditation services called Headspace is using an imperfect dot as their brand logo. Learn how to recreate their captivating animated dot effect.

With Swift strong typing and immutability, there are rules that prevent you from accesing variables until an object is fully initialized.

Young developers are happy when they write a lot of code, they like to brag about that project that has tens of thousands lines of code they wrote.

Reproducing a floating burger menu animation is simple with CAShapeLayer and CoreAnimation. Learn how to use strokeStart and strokeEnd to create elegant menu transitions.

MyFitnessPal didn't give me API access, so I wrote some Ruby to get it anyway. Logging in into MyFitnessPal, go to Reports Tab.

Playgrounds are one of the niftiest features of Swift. They allow you to quickly test out bits of code and see results in real time without going through...

If you are looking for some good quality project settings and scripts, I've open-sources my bootstrap for upcoming 2015.

I’ve been programming for 20 years now, doing commercial work for the last 8. Over the years I’ve been exposed to different ideas and experiences that have...

Many people think getting fit is hard, the fitness industry is full of myths and unnecessary complications.

What are some of my favorite techniques for cleaner and more readable code? Over the years I’ve become very pedantic when it comes to code quality.

I wrote a blogpost about improving iteration speed and why code injection is awesome when you work on small changes.

KVO has been integral part of Cocoa programming, yet it's not available for pure Swift classes. Is there a way to implement your own implementation of...

Last time I've written about Behaviours in objc.io Architecture Series.

Did you ever see image split available in Kaleidoscope? It's really easy to implement similar one in iOS with some CoreAnimation code.

Last time we set our project, this time we look at how we could create a simple yet flexible architecture for our model layer.

I believe in boy scout rule: *'Always leave the campground cleaner than you found it.'*, that's why I constantly refactor my code so it's clean and tidy.

What are top 7 most common issues I find doing Code Reviews? It makes me think that you didn't learn how to use version control and tagging, why the hell do...

This will be subjective look at creating iOS app, first part will focus on basics like project setup, folder structure, version control and some quality...

Easy to apply tips that can improve your development workflow. I believe you should use best tool for the job, and there are lots of tools that are perfect...

If you ever meet me you probably already know my second biggest passion after programming is Bodybuilding.

I probably spend too much money on apps, but I like to support other Developer's good ideas. I recently gave talk about tools I use and why.

Data parsing is one of most common tasks we need to do in our apps, yet still majority of people do this parsing by hand, always repeating the same code for...

Do you use assertions in your code? What for? How do you handle release builds ? There is a better way than NSAssert...

How do you setup your Cocoa projects? Do you always set same warnings, clone configurations and do bunch of other stuff?

Create a simple clone of game called teeter. - *UIKit* for rendering - this game doesn't require any fancy effects.

You probably saw StatusBoard by Panic. I've immediately thought it needs simple Jenkins widget.

I've just returned from NSConference #5, there were many good talks there, but my favourite one was the one about Flipboard development tools/setup by Evan...

Do you use Interface Builder ? Even if you don’t like IB, read this short tip and referenced articles.

Boeing made a nice app for iPad I was shown this app and asked if it’s hard to do this pinch to reveal animation.

We evolve and change our habits, probably many times every few years. Your code style changes, your approach to writing code in general.

You’ve probably seen Paper, the app is pretty cool and the drawings look really nice and smooth.

Observer pattern is common on iOS platform, you use observers in NSNotificationCenter and in Key Value Observing.

So you want to know when user is interacting with your app and you don’t really care which screen is he using or what is he doing.

cocos2d is one of the best gaming framework I’ve seen, but it doesn’t use UIKit.

LLDB provides several commands to inspect variables during a debug session. Two most common of these commands are `frame variable` and `po`

As software engineers, we're always looking for ways to optimize our processes and improve the quality of our work. But have you ever stopped to consider...