Markos Charatzas qnoid Pro

Developer
Edinburgh, UK
Invited by Kyle Bragger

Find Me

http://www.qnoid.com
@qnoid

About Me

Possess a deep understanding of object oriented principles, skilled in software design with a great passion in the development process. Firm believer in empowering people, engineering driven and pragmatic.

Sociable character thriving in dynamic team environments having leadership traits.

Ambitious with great interest in open source and education of object oriented programming.

Pitched the Social Catalogue at Launch48 Edinburgh, 1 of the 4 ideas to make it to the final.

Actively writing posts about object oriented programming and software design.

Score an Awesome Design Job:

via ZURBjobs

There seems to be a lot of confusion around custom views on iOS that can be used both at compile tim...

How to implement a reusable UIView

In the first part, found out that the executable included two definitions of the JKSerializer class....

How to debug a "Class JKSerializer is implemented in both" case (Part 2)

Recently came across the following warning while running an app on the simulator. objc[3946]: Cl...

How to debug a "Class JKSerializer is implemented in both" case (Part 1)

iOS implementation of user authentication without a password as specified and mocked up previously o...

iOS implementation of user authentication without a password

User identity The idea of a user identity is a simple one with a goal to eliminate the requirement ...

Mockups on user identity

User identity Disclaimer: I am no security expert. Use case Provide a way for a user to identify ...

A post about user identity that is thought provoking on user authorisation and security, or just utter bullshit.

Dead end Having reached a dead end, decided to take a look at the client side in an effort to under...

How to trace and debug an iOS crash (Part 2)

There has been a crash. While preparing for an iOS release, observed a crash on an iPad (iOS 4.3.3,...

How to trace and debug an iOS crash (Part 1)

Decided to do a talk about OO; but this time wanted to provide some actual metrics to back it up. T...

Metrics of an object oriented world

Just recently came across this case needing to convert a number to its wording. For example, given t...

Making wordings of numbers - 27 going twentyseven

The hashtable indeed works as expected. We do have a key to retrieve a value, we do handle conflicts...

How to think of... a hash table (Part 3)

Start at the beginning with Part 1 Let's take a step back for a minute and take a look at the array...

How to think of... a hash table (Part 2)

The hash table seems to be the dominator of data structures as it is being used to solve a variety o...

How to think of... a hash table (Part 1)

Seems like algorithms and data structures are a weak point for many. Some data structures are used e...

How to think of... Binary Search

Imagine that you are a spy and have been assigned the task to infiltrate a robot factory to plant a ...

How to think of... Macros

Methods aren't reusable. Objects are. public static final MathOperation MULTIPLY_BY_2 = n...

On Reusability (Part 2) - Misconceptions

Or why extracting a method is overrated and abused One of the most frequent eureka moments we get a...

On Reusability (Part 1) - Misconceptions

First time I found out about FizzBuzz was when I came across Jeff Atwood's blog post Why Can't Progr...

Why Can't Programmers.. Design Software?

Find it amazing how a single method interface can be the inspiration to a good software design. Her...

It's about software design - IASD

The inspiration for this post comes from @sirsean "Writing DAO classes for JDO on Google Appengine ...

Take a step back. Take a deep breath. Take pen and paper.

As inspired by @sealabcore's "Return only duplicate values from ruby array." Instead of extending f...