Ok so last time we covered the basics of actors and the actor system (actor fabric) and covered how to send simple messages to actors. This time we will talk about actor hierarchies (supervision) and also actor lifecycles.

Scala

Madcap Idea Part 3 : Bringing Play Back End Into The Fold + Some Basic Streaming

5 Jun 2017 by Sacha Barber

This time we will bring a Play Framework (scala based MVC web framework) into the fold, and shall be using the front end we have been working on so far to be the front end for the Play Framework back end.

Madcap Idea Part 7 : Registration/login Backend

1 Aug 2017 by Sacha Barber

Registration/login backend

Scala

Introduction To Scala

1 Jul 2019 by Mahsa Hassankashi

This article explains almost the whole story about Scala and its functionality with an example.

Scala

Java

HTTP Proxy Using Play Framework and WS API

28 Oct 2015 by Alexander Iskhakov

Creating a HTTP proxy using Play framework and WS API

SCALA Extension methods

23 Oct 2015 by Sacha Barber

SCALA Extension methods

Scala

SCALA : TESTING OUR CODE

14 Dec 2015 by Sacha Barber

So last time we looked at how to use Slick to connect to a SQL server database. This time we look at how to use one of the 2 popular Scala testing frameworks.

Scala

SQL-Server

Spam Detection Using Long Short-Term Memory (LSTM) Neural Networks with Deeplearning4j

4 Mar 2018 by Diego Stéfano

Spam detection in Scala using Deeplearning4j.

Scala

artificial-intelligence

machine-learning

SCALA Mocking

14 Dec 2015 by Sacha Barber

Last time we looked at writing unit tests for our code, where we looked at using ScalaTest. This time we will be looking at mocking.

Scala

Scala : multi project sbt setup

19 Jan 2016 by Sacha Barber

Scala : multi project sbt setup

Scala

Using Google Translate & Microsoft Translator in Scala

17 Feb 2016 by Igor Alekseev

A quick introduction to Fluent-Translator: Scala idiomatic non-blocking library for working with Microsoft, Google language translation services via a fancy DSL

Scala

Google

Microsoft

BigDL: Distributed Deep Learning on Apache Spark

19 Apr 2017 by Intel

This article introduces BigDL, shows you how to build the library on a variety of platforms, and provides examples of BigDL in action.

How do one choose a suitable programming language?

27 Aug 2017 by RickZeeland

This might be of interest to you too: [Top 10 Programming Languages in 2017] It is a bit superficial, but gives a good overview. Also interesting: Stack Overflow Developer Survey 2017[^] 'Most popular' does not mean that these are the best languages for you, although the GO language is listed...

Madcap Idea Part 8: Intermediate Step, Rest API For Interactive Kafka Stream Ktable Queries

1 Sep 2017 by Sacha Barber

This article will focus on a simple REST example in Scala. It's an intermediate post that the next one will build on, I just thought it might be useful to show this one in isolation, before we move on to the real one which is to allow interactive queries over live Kafka streams.

Scala

JSON

Madcap Idea 9 : Kafka Streams Interactive Queries

11 Sep 2017 by Sacha Barber

In this post what we will be doing is looking at: How to install Kafka/Zookeeper and get them running on Windows, walking through a KafkaProducer, walking through a Kafka Streams processing node, and the duality of streams, and walking through Kafka Streams interactive queries

Scala

docker

Kafka

A state is divided into R*C cities.the government has launched an initiative to find the cities which are dominated by coders.

25 Nov 2020 by OriginalGriff

You're running late - the rest of your class was trying to get us to do this homework last week ... But I'll tell you what we told them: Quote: We are more than willing to help those that are stuck: but that doesn't mean that we are here to do it...

Accelerating Artificial Intelligence with Intel® End-to-End AI Optimization Kit

10 May 2023 by Jian_Zhang

Democratizing AI with Intel-Optimized Software

Scala

artificial-intelligence

Intel

optimization

SCALA : CONFIG

17 Nov 2015 by Sacha Barber

Configuration in Scala

Scala

SCALA : Connecting to a database

14 Dec 2015 by Sacha Barber

This time we will proceed to look at using Scala to connect to SQL server.

Scala

database

I want to add a scala dependency on repl. what will be the proper command for this?

18 Feb 2016 by Member 11588367

I want to add any Scala dependency on REPL. So that i could run the code on REPL. But I don't know how to add this on REPL?What I have tried:I am new to scala .addDependency("org.typelevel" %% "cats" % "0.4.1")

Scala

Can someone explain the search2 function in this binarysearch code using scala

18 Oct 2016 by OriginalGriff

Then go back to where you found it and ask them.They will know a lot more about it than we will...

Scala

Scala Environment Config Options

24 Jan 2017 by Sacha Barber

Scala environment config options

Scala

Splitting dataset for cross validation fpgrowth in spark

26 Mar 2017 by Emmanuel Portelli

I am trying to implement an FPGrowth algorithm using Spark's MLLIB but do not know how to proceed. I have seen multiple examples but do not include cross validation where a data set is split into training and test. // Recommendation engine can be per league// "Ligue 1"// "Bundesliga "...

Scala

spark

How to use in clause in slick?

28 May 2017 by Member 10678803

0 down vote favorite I have a query which is written is using slick, it is not a plain slick query. The query is a select query which fetches the records from a table called Employee. The results are of type Employee class. Now there is a list of Strings val nameFilter=...

Scala

MySQL

How do one choose a suitable programming language?

27 Aug 2017 by Member 13380432

Hi, I'm new to coding and want to ask how do you choose a programming language for a project? What are the choosing based on? Most answer I found says it's based on what I need. But I don't know what I need. I just know what I want to build. Let say I want to build an E-commerce website and...

How do one choose a suitable programming language?

27 Aug 2017 by Patrice T

Quote: Let say I want to build an E-commerce website and mobile web Get started here for web site W3Schools Online Web Tutorials[^]

Spark scala-count even numbers from from file

16 Jun 2018 by Richard MacCutchan

The data contains an item that is not a number, so you need to strip that out of your list before trying to convert.

How to run a scala code on a GPU?

13 Sep 2020 by Gerry Schmitz

How To Force An App To Use The Dedicated GPU On Windows[^]

Scala

Setting Up VS Code for Scala Development on WSL

19 Nov 2020 by Shun Huang

How to set up Visual Studio Code for Scala development on WSL

A state is divided into R*C cities.the government has launched an initiative to find the cities which are dominated by coders.

25 Nov 2020 by Patrice T

Posting your homework is not a question. You show no attempt to solve the problem yourself, you have no question, your main effort is pasting the requirement, you just want us to do your HomeWork. HomeWork problems are simplified versions of the...

Use value like ISO week but week starting from sunday

5 Dec 2020 by Member 15012716

Hi Guys, I have a master calender starting from year 1991 to 2050. Now I want to create e new field weeknumberasyear where if w1 contains

Scala

SQL

spark

Use value like ISO week but week starting from sunday

5 Dec 2020 by Richard MacCutchan

Take a look at Week Numbers according to ISO8601[^]. It should be fairly easy to modify it to any day of the week.

Scala

SQL

spark

How to write code using spark api scala?

29 Aug 2022 by Silpa Silpa

Input: 1. Given below input Partner data in comma separated file. (file name - Partner.csv). 2. Given List of Invalid Party Ids. Requirement: 1 Read the input Partner csv file and Invalid party ids list as Dataframes using spark APIs....

Scala

spark

API

How to write code using spark api scala?

29 Aug 2022 by Sandeep Mewara

Here, it has an examples that you seek: Spark DataFrame Where Filter | Multiple Conditions - Spark by {Examples}[^] package com.sparkbyexamples.spark.dataframe import org.apache.spark.sql.{Row, SparkSession} import...

Scala

spark

API

How can I insert a single document in elasticsearch using scala?

21 Oct 2022 by AsifUllah

Here is the code of Indexing a single Document User(uid, firstName, lastName, email, address, phoneNumber) into index(firstindex), but actually the problem is that the index created successfully but document not inserted: val user =...

Scala

Elasticsearch

How to code a pseudo book management application in scala, akka and kafka?

12 Dec 2022 by OriginalGriff

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for...

Scala

Kafka

How to solve the error with gatling launcher for jar in gatling scala? When upgraded from 3.7.6 to 3.9.0

1 Feb 2023 by Rudra Ganesh Subbarayulu

I upgraded gatling version from 3.7.6 to 3.9.0 I updated the version in the build.gradle.kts file plugins { id(“scala”) id(“io.gatling.gradle”) version “3.9.0” } gatling { logHttp = io.gatling.gradle.LogHttp.FAILURES logLevel = “WARN” }...

Scala

performance

testing

How can I use the 'take(n)' function in spark 3.4.0 with pyspark to display the top 3 rows of a CSV file?

27 May 2023 by Member 8840306

I am new in spark .I want to use function "take(3)" for getting(displaying) 3 row of my csv file It is collecting the record correctly raw_data =sc.textFile(“day.csv”) raw_data.collect() Quote: ['Name,Abbreviation,Numeric,Numeric-2',...

Introduction to Apache Spark

1 Sep 2015 by Sacha Barber

An introductory article on Apache Spark, with a demo app

Beginner’s Guide to Understand Kafka

1 Aug 2020 by Sandeep Mewara

A guide to help learn about Kafka and do a setup & test of data pipeline in Windows environment.

Scala Types / Variables

15 Oct 2015 by Sacha Barber

Scala types / variables

Scala

SCALA Loops

15 Oct 2015 by Sacha Barber

How to use the various loops within Scala

Scala

.NET / Scala Interop Using RabbitMQ

8 Oct 2015 by Sacha Barber

Getting .NET code to talk to Scala code and vice versa using RabbitMQ

Scala

RabbitMQ

messaging

Big Data MapReduce Hadoop Scala on Ubuntu Linux by Maven intellj Idea

12 Sep 2017 by Mahsa Hassankashi

This article is the most complete essay about big data from scratch to practical.

SCAla : Futures /Promises and more

11 Nov 2015 by Sacha Barber

I have been a .NET developer for a long time now, and am very very used to dealing with the .NET framework Task library. Obviously here I mean TPL and now Async/Await. So now that I am doing more and more Scala I wanted to see what the equivalent code would be in Scala, […]

Scala

Akka : ‘hello world’

25 Jul 2016 by Sacha Barber

This time we will look at a simple example of Akka.

Scala

Functional Programming – You Probably Already Know It!

1 Jul 2020 by Chinmoy Mohanty

Common concepts in functional programming language

Spark scala-count even numbers from from file

16 Jun 2018 by LearningSpark

Hi All, I am New to Big Data World.need urs help to make it real.here is myquestion I am Reading data from txt file(1,2,3,4,4,4,4) var file=sc.textFile("file:///home/cloudera/MyData/Lab1/numbers.txt") var number=file.flatMap(line=>line.split(",")) var...

Scala EE

28 Apr 2020 by Roman Nazarenko

An overview of how well Scala integrates into modern Java EE environment

Scala

Java

Hash Code Generatrix et the Frequency Domain

1 Feb 2021 by jfriedman

When you need a janky [unsafe] way to generate communitive hash codes

How to get data usiing javascript in MVC and wheel scrol time get 50 record

11 Feb 2019 by Member 11882351

@{ string BackFortd = Convert.ToString(TempData["BackFor"]); } $(document).ready(function () { $("#ddlload").hide(); $('#loading').show(); ...

Scala

MVC4

jQuery

How to get data usiing javascript in MVC and wheel scrol time get 50 record

11 Feb 2019 by Member 11882351

@{ string BackFortd = Convert.ToString(TempData["BackFor"]); } $(document).ready(function () { $("#ddlload").hide(); $('#loading').show(); $('#NewPageIndex').val('1'); bindMemberList(); }); function bindMemberList() { ...

Scala

MVC4

jQuery

How do one choose a suitable programming language?

27 Aug 2017 by Richard MacCutchan

For such a website you need ASP.NET which means you need to learn the following to start with: HTML Css Javascript C# or VB.NET You can find samples and tutorials here on CodeProject at Web Development[^] and at the official ASP.NET | The ASP.NET Site[^].

How to code a pseudo book management application in scala, akka and kafka?

13 Dec 2022 by Shrey Jamdar

Develop an psuedo book management application using Scala, Akka and Kafka. 1. Kafka Application should have the below mentioned features - a. Publish/produce the user/author/book details (every 30 seconds for Users/Authors and...

Scala

Kafka

How to get data usiing javascript in MVC and wheel scrol time get 50 record

11 Feb 2019 by Member 14146669

function bindMemberList() { $("#loading").show(); var from = '01/01/1900'; var to = '01/01/1900'; $.ajax({ type: "Get", cache: false, url: "/Member/GetMemberData", data: { 'pageIndex':...

Scala

MVC4

jQuery

How to run a scala code on a GPU?

13 Sep 2020 by Member 14937120

I have a project written in Scala language and I want to run this project on GPU but I do not know how to run a Scala code on GPU? What I have tried: I have tried to run a scale code I wrote in the intellij idea environment on the GPU

Scala

From method fetchdiagnosisforuniquecodes, I would like to return future[list[diagnosiscode]] using map, flatmap, .recover ie:- without blocking.

6 Sep 2022 by pleasetextme please

case class DiagnosisCode(rootCode: String, uniqueCode: String, description: Option[String] = None) object Database { private val data: List[DiagnosisCode] = List( DiagnosisCode("A00", "A001", Some("Cholera due...

Scala

How can I use the 'take(n)' function in spark 3.4.0 with pyspark to display the top 3 rows of a CSV file?

27 May 2023 by Richard MacCutchan

Look at the error message: Python was not found; run without arguments to install from the Microsoft Store, or disable this shortcut from Settings > Manage App Execution Aliases. 23/05/27 22:29:16 ERROR Executor: Exception in task 0.0 in stage...