Making a simple Game using Enums

This idea stemmed from the fact that majority of developers create an UI in Interface Builder without an issue, but the real struggle comes when they have to write the code and it was difficult for me to believe at first that writing code or structure is really difficult, so I decided to write these […]

Advanced Usage of Functional Methods

In the last post at reducing-code-for-readability-and-speed which took you through using functional methods instead of loops. The issue was that in some of these functions you might require the index and therefore pushed one back to using loops instead.

Reducing code for readability and speed

In a conversation a couple of days ago, somebody mentioned that they needed to determine the missing digit(checksum) of an ISBN-10 number. This was interesting, specially because this was a perfect example for reducing the lines of code written to resolve this. The specification of ISBN-10 checksum The final character of a ten-digit International Standard […]

Exploring Optionals

You can continue reading this article or you can choose not to. Similarly, with variables you can have cases where there is a value or it may not have a value which in other words is nil. Optionals are not applicable to all scenarios. To understand this better, read on…

Move Zeroes – Algorithms

Come across a task in an Interview or a website that challenges you to this. The thing that intrigues me is a good challenge (and many a times I do struggle with it, I am no Genius) However it is still worth a try.

Using Swift techniques for Drawing

The long discussion on is Code an Art or a Science will continue for years to come because there will always be two sides to it and I am not attempting to join or fuel that discussion. However, I feel that in my lifetime I have been lucky to get exposure to a whole lot […]

Validating Strings for Numbers

Swift is gaining popularity with Developers and as companies are considering Swift for their projects. Over a period since the publication of my Swift book (at Swift v1.2) there are many that keep up to date with the new features in Swift and there are those that are now considering the move to Swift or […]

Convert Binary String to Integer

How do you convert Binary String to it’s Integer Value? There are many approaches to convert Binary strings to Integers. One approach could be to iterate through all of the characters in the string and add the value of 2 raised to the power of the index.

Heads or Tails – Using and understanding Swift

It would be nearly a year since Swift was announced by Apple. It soon became the language of choice for many developers. It is one of the fastest adopted programming language till date. Not only that, it also has one of the largest repository of source code using Swift. Here’s a look at both sides […]