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Scala List class: methods, examples, and syntax

This page contains a large collection of examples of how to use the methods on the Scala List class.

The Scala List class as an immutable, linear, linked-list class. It’s very efficient when it makes sense for your algorithms to (a) prepend all new elements, (b) work with it in terms of its head and tail elements, and (c) use functional methods that traverse the list from beginning to end, such as filter, map, foldLeft, reduceLeft.

Scala Seq class: methods, examples, and syntax

This page contains a large collection of examples of how to use the methods on the Scala Seq class.

Important note about Seq, IndexedSeq, and LinearSeq

As an important note, I use Seq in the following examples to keep things simple, but in your code you should be more precise and use IndexedSeq or LinearSeq where appropriate. As the Seq class Scaladoc states:

How to update a Drupal 7 website with Drush (notes)

As a brief “note to self,” this is how I just updated a Drupal 7 website using Drush. Please note that the output of some of the commands below refer to early versions of Drupal 8, but these commands also work with Drupal 7.

First, do these things:

Play Framework: Anorm SQL query syntax and examples

Table of Contents1 - Anorm2 - More background ...3 - A note about my coding style4 - SQL SELECT queries5 - A brief intermission6 - SQL INSERT with primary key (auto increment)7 - SQL INSERT with no primary key8 - SQL UPDATE9 - SQL DELETE10 - Complete example methods11 - A complete class12 - More information

In general the online Play Framework documentation is excellent, but one area where I needed more help was in seeing more examples of the Anorm syntax. To that end, here are some Anorm query examples, taken from a Play Framework application I worked on recently. But first, a little background about Anorm.