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Catch up on Drupal and Ubuntu Linux Posts

Catching up here on Ubuntu 16.04 Linux setup and also Drupal posts, below are some links of compilations of documentation, tutorials and threads about web-development topics.

There are some I missed on the Tumblr site, but I can add more later when time.


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Scala Version of Approximation Algorithm for Knapsack Problem for Apache Spark

This is the Scala version of the approximation algorithm for the knapsack problem using Apache Spark. I ran this on a local setup, so it may require modification if you are using something like a Databricks environment. Also you will likely need to setup your Scala environment. All the code for this is at GitHub First, let's import all the libraries we need. import org.apache.spark._ import org.apache.spark.rdd.RDD import org.apache.spark.SparkConf import org.apache.spark.SparkContext._ import org.apache.spark.sql.DataFrame import org.apache.spark.sql.SparkSession import org.apache.spark.sql.functions.sum We'll define this object knapsack, although it could be more specific for what this is doing, it's good enough for this simple test. object knapsack { Again, we'll define the knapsack approximation algorithm, expecting a dataframe with the profits and weights, as well as W, a total weight. def knapsackApprox(knapsackDF: DataFrame, W: Double): Da...
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Stream PRAM: Research: Darrell Ulm @ Microsoft Research

Stream Pram is a paper co-written by Darrell Ulm, cat be accessed at Darrell Ulm Stream Pram Research Paper This is a paper about a multiple instruction stream style model of Parallel Random Access Memory (PRAM) parallel computation. The paper deals mostly with theoretical parallel computation as compared to applied parallel computing. Other links about the Stream Pram. Profile . Wordpress , Tumblr
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Drupal 8 Article by Darrell Ulm

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