My blog

How to reduce your energy consumption

Disabling Swift 3 @objc inference in Xcode 9

Ridiculous strawberry picking

How to setup keychain library tests in Xcode 8 / iOS 10

Basic derivatives

Programming a simulation of the Earth orbiting the Sun

Distributing a library with Swift Package Manager

Creating a bubble button animation on Android

Basic trigonometric identities

Programming a harmonic oscillator in HTML & JavaScript

Creating a PDF from a LaTeX document in Sublime Text 3 on Mac OS X

Harry Potter and the Cursed Child is not written by J.K. Rowling

A picture of the Solar System with proportional distances

Proportionally sized Solar System objects in natural colors

How to share Keychain between iOS apps

Loading data from insecure HTTP hosts in iOS 9 with NSURLSession

Localizing numbers, date, time and names in iOS / Swift

Supporting right-to-left languages in iOS / Swift

Testing activity in Android Studio. Part 3.

Testing activity in Android Studio. Part 2.

Testing activity in Android Studio. Part 1.

Video tutorial: creating my first Apple Watch app in Swift

Power consumption of location updates in iOS

UI tips: focus, build, test and ship

Web browser was not invited to the Apple Watch party

Spring button animation in iOS/Swift

Localizing text in Swift code

Optional trailing closures in Swift

Lesson from Panda 4.0: be unique and valuable

7 ways to earn a backlink

Creating content is not enough. Promote it.

Earning links instead of building them

Google Plus is about reciprocation

Infographic: relative popularity of Web, iOS and Android developers

SEO tips from Eric Enge

Google Authorship

Ad copy and social media tips

Let your employees talk about your brand on social media

Risky SEO strategies. How to avoid Google penalties.

Content marketing tips from Neil Patel

Create engaging content by focusing on 'me' (not on 'you')

Six ways to improve your blog

How to run effective CPC campaign when competition is high

Semantic search and the future of SEO

Choosing keywords that bring $$$ (and not just traffic)

Build an authority supersite and get rewarded

How to use forums to find topics for online content

How to use Google Plus to promote your content

How to get and stay noticed online

How to tame Google Penguin and build trust

Get 100 million uniques in 7 months with 'borrowed' content. WOW

Landing, 'thank you' pages and G+ avatars

Guest blogging, meta descriptions and navigation

SEO tips and techniques from Joe Laratro

SEO year 2014 review

Mobile marketing

Code duplication in unit tests




Wooooow!