Converting a decimal number to a currency string is simple with NSNumberFormatter.

Compiling Facebook SDK with Xcode 6 is not yet an option.

git checkout 6c1d1862 AppConsumer/Curbsidr.xcodeproj/project.pbxproj

git tag -a prod-0.9.7 -m 'add analytics'

Push notifications on iOS 8.

By default all the apps (even compiled with Xcode 6 and iOS 8) will run in a scaled mode on both iPhone 6 & iPhone 6 plus.

Unfortunatrly, Homebrew breaks after an upgrade to OS X Yosemite.

Keeping Ghost installation up-to-date is important not only because of new features added but also because of all the security updates.

The update just failed every time I tried to install.

Yosemite has Python 2.7.6 built in but for many reasons (one of them is sudo) we prefer a clean up-to-date install.

Having a different application name for release and development builds.

Generating the path dynamically with NSSearchPathForDirectoriesInDomains.

A frequent mistake when playing a local video using [AVAudioPlayer initWithContentsOfURL:url] is to use URLWithString instead of fileURLWithPath.

Digital Ocean has a great tutorial on how to install Nginx with Phusion Passenger, RVM, and RoR on Ubuntu.

YAmazon S3 does not like dots in bucket names.

Rails is heavily using environment variables in its configuration files.

After upgrading to MySQL 5.6 from 5.5 we started getting an error: Incorrect MySQL client library version!

We all understand the frustration users experience when software malfunctions...

We needed to add Volley networking library into our project.

After upgrading ubuntu pip started throwing the following error...

Renewing a certificate is not fun so it is better to use Let's Encrypt but if that is not an option...

URI - the part of URL that comes after the domain (or IP/Port) name.

Just a bunch of short expressions in Swift.

Positioning views relative to one another with auto-layout was fairly tricky until...

While starting iOS 9 we have UIStackView, it is a little bit tricky to stack views vertically or horizontally.

In Swift, we have a syntax candy called 'guard'..

A small button named 'Debug view hierarchy', displays current view hierarchy in 3D.

Decouple, separate, disengage, or dissociate (something) from something else.

Shapefiles are technology from the past when desktops ruled supreme.

git rm -r --cached .

Debugging errors that are a result of observers being added to an object and not removed from it can be hard.

Recently we had a need in a general way to catch calls that can throw an exception.

In Xcode 8, it is no longer possible to create NSManagedObject subclasses...

The following code is causing a compiler crash when compiled with Swift 3 and Xcode 8...

Collection view is highly optimized and works great out of the box.

A property in ReactiveSwift allows us to track its changes over time.

According to the documentation, to use ReactiveSwift.playground the following steps must be performed...

The power of ReactiveSwift lies within its operators.!

Unfortunately stabilizing MySQL on our tiny server was not simple and in fact the only thing that helped was a SWAP file.

ne of our views that contains a UICollectionView started crashing once in a while...

Lawyers are the worst. An example of terms of use...

While browsing our Node.js site logs we have noticed the following error...

On iOS 10, a collection view embedded in a view has unexpected padding at the top.

git rebase -i 95eeee3^

git remote prune origin

Picking your compilesdkversion, minsdkversion, targetsdkversion.

RSA verification process is similar to RSA encryption/decryption process with one major difference.

RxSwift.Resources are being used to detect memory leaks during pre release tests. Solving Use of unresolved identifier 'Resources' error.

All we needed was a simple UICollectionView with just one cell that contained a label ...

We needed a collection view cell that contained an image view and a label.

RxSwift is a powerful framework and, as always, with power comes responsibility.

Symbolification is the process of mapping machine addresses into the source code. The tricky part is that by default .DSYM file is only generated for release builds.

How to create a framework that uses C with Xcode

It is fairly easy to use UIScrollView with the AutoLayout on iOS 12+ but only if one follows the following steps ...

We started using Ghost when it was still in its very early stages ...

It has become pretty common among Swift experts to always use [weak self] inside of a closure to avoid retain cycles ...

XCTest expectations are great but it is not easy to use them.

Why do we need to inject dependencies and some tools that help with it...

Trusting all certificates allows anybody to do a man in the middle attack

In this article we will be setting up an OpenVPN client on OpenWrt.

In this article we will be adding a shared local library to a monorepo.

In this article we will go over deploying microservices into a Kubernetes cloud. Part 1.

In this article we will create a comprehensive learning path to take you from beginner to proficient in about 8-10 months with consistent daily practice.