Author Archives: Paulo "JCranky" Siqueira

Scala Problem Number Six

Posted on 21 Aug 2011 by Paulo "JCranky" Siqueira

From the Scala 99 Problems, lets face the problem number six: P06 (*) Find out whether a list is a palindrome. Example: scala> isPalindrome(List(1, 2, 3, 2, 1)) res0: Boolean = true The first thing I had to do was … Continue reading →

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The Anagram Puzzle in Scala

Posted on 2 Aug 2011 by Paulo "JCranky" Siqueira

A few weeks ago, we had a coding dojo in Adaptworks. There, we decided to use Scala as the coding language, and the problem to be solved was the Anagram puzzle. Unfortunately we didn’t manage to solve the problem during … Continue reading →

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The Developers Conference 2011

Posted on 14 Jul 2011 by Paulo "JCranky" Siqueira

From July 6 to 10 happened The Developers Conference 2011 down here in São Paulo. The other editions were really good and, better, this one topped all of them. It was a really fun and productive event. I had the … Continue reading →

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Scala Problem Number Five

Posted on 25 Jun 2011 by Paulo "JCranky" Siqueira

From the Scala 99 Problems, the problem number five goes like this: P05 (*) Reverse a list. Example: scala> reverse(List(1, 1, 2, 3, 5, 8)) res0: List[Int] = List(8, 5, 3, 2, 1, 1) Starting with the obvious solution, using … Continue reading →

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About nulls and System Properties in Scala

Posted on 4 Jun 2011 by Paulo "JCranky" Siqueira

In Scala, it is usually a good idea to avoid nulls in your code. Instead of that, it is recommended that you use the Option class. This is how it works: if the value you are working with is null, … Continue reading →

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Migrating a java project to scala

Posted on 24 May 2011 by Paulo "JCranky" Siqueira

Hi everybody! This time I wanted to bring something different about scala – so I decided to migrate a java project to this language. The chosen one is an open source test framework for the Web Objects framework (sorry for … Continue reading →

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Scala Problem Number Four

Posted on 20 May 2011 by Paulo "JCranky" Siqueira

Lets solve now the problem number four, from the Scala 99 Problems. This one goes as follows: P04 (*) Find the number of elements of a list. Example: scala> length(List(1, 1, 2, 3, 5, 8)) res0: Int = 6 Lets … Continue reading →

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Just Java 2011

Posted on 16 May 2011 by Paulo "JCranky" Siqueira

Hi! Its been a long time since I last posted about an event. So, to recover from the sadness, lets talk about Just Java 2011, a Java event that happened this last weekend here in São Paulo. The event consisted … Continue reading →

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Scala Problem Number Three

Posted on 1 May 2011 by Paulo "JCranky" Siqueira

I almost forgot I started this ‘series’… Sorry! Now, with some time at hand, lets look at the problem number three, from the Scala 99 Problems. Like problem number one and two, this one is about list manipulations. It says: … Continue reading →

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Scala at the guardian uk

Posted on 9 Apr 2011 by Paulo "JCranky" Siqueira

Hi! In the news this last week, there was some information regarding the usage of Scala by The Guardian, a UK newspaper, and one of the biggest on the planet. I was aware that they were using Scala internally, but … Continue reading →

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