Krzysztof Zabłocki

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

What is programming?

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?"

I've found myself using Xcode a lot more than I did in Objective-C.

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.

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.

MyFitnessPal didn't give me API access, so I wrote some Ruby to get it anyway.

Playgrounds are one of the niftiest features of Swift.

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.

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?

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.

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

Did you ever see image split available in Kaleidoscope?

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

What are top 7 most common issues I find doing Code Reviews?

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.

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.

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?

How do you setup your Cocoa projects?

You probably saw StatusBoard by Panic.

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

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 ?

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.

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.

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

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.

As software engineers, we're always looking for ways to optimize our processes and improve the quality of our work.

LLDB provides several commands to inspect variables during a debug session.