join

Scala - Merging two Arrays or ArrayBuffers

Scala Array FAQ: How do I merge two Arrays or ArrayBuffers?

Solution: Use the ++ method to join two arrays into one new array:

scala> val a = Array(1,2,3)
a: Array[Int] = Array(1, 2, 3)

scala> val b = Array(4,5,6)
b: Array[Int] = Array(4, 5, 6)

scala> val c = a ++ b
c: Array[Int] = Array(1, 2, 3, 4, 5, 6)

ArrayBuffer

Use the same approach to merge two ArrayBuffers into a new ArrayBuffer:

By Alvin Alexander on November 1, 2012

Perl array printing - How do I print the entire contents of an array with Perl?

Perl array FAQ: How do I print the entire contents of an array in Perl?

To answer this question, we first need a sample Perl array. Let's assume that you have an array that contains the name of baseball teams, like this:

@teams = ('cubs', 'reds', 'yankees', 'dodgers');

Perl array printing

Now, if you just want to print the array with the array members separated by blank spaces, you can just print the array like this:

By Alvin Alexander on September 12, 2011

Where is Perl looking for modules to include?

I started working on a new Unix system yesterday -- an HP-UX system I've never worked on before -- and I quickly realized that I needed some Perl modules installed. While working with another person the question quickly came up, "How do you know where Perl is looking for currently installed modules?"

By Alvin Alexander on August 9, 2011

AppleScript string tip: How to concatenate strings

AppleScript string FAQ: How do I concatenate (merge) strings in AppleScript?

Fortunately string concatenation in AppleScript is pretty easy (if not a little different). To concatenate strings in AppleScript just use the ampersand (&) operator.

Here are a few AppleScript string concatenation examples, with a dialog thrown in so you can see the result:

By Alvin Alexander on October 20, 2012

How to print a Perl array

Summary: How to use a Perl foreach loop to print every element in a Perl array.

To look at how to print every element in a Perl array using the foreach operator, the first thing we need is a sample array. Let's assume that you have an array that contains the name of baseball teams, like this:

@teams = ('cubs', 'reds', 'yankees', 'dodgers');

If you just want to print the array with the array members separated by blank spaces, you can just print the array like this:

By Alvin Alexander on May 18, 2011

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