Language Resources

This tutorial provides a step-by-step guide for building and configuring a REST web service in Java using the Spring framework.

December 2, 2017

by Hussein Terek

· 273,977 Views · 25 Likes

Save Time on Project Planning: 4 Tools for Product Managers

Do you find visualization helpful when trying to crack a difficult problem? Then read on for a review of these helpful tools.

November 30, 2017

by Andrew Stepanov

· 6,661 Views · 2 Likes

Solving a Polyglot Error in Python

I came across some issues when I tried do analyze data about Russian Twitter trolls, but ran into some issues. Here's how I solved them.

November 30, 2017

by Mark Needham

· 9,832 Views · 1 Like

MongoDB vs. MySQL

There are many database management systems in the market to choose from. So how about a faceoff between two dominant solutions that are close in popularity?

November 30, 2017

by Mihir Shah

· 119,651 Views · 15 Likes

Decision Trees and Pruning in R

Learn about using the function rpart in R to prune decision trees for better predictive analytics and to create generalized machine learning models.

November 30, 2017

by Sibanjan Das

CORE

· 67,057 Views · 3 Likes

Testing Your API Assertions With the Spock Framework

Learn how to test your APIs with Spock, a comprehensive testing framework that uses Java and Groovy, leveraging the benefits of several existing Java frameworks.

November 30, 2017

by Grigor Avagyan

· 13,053 Views · 5 Likes

Quick Start With Apache Livy

Learn how to get started with Apache Livy, a project in the process of being incubated by Apache that interacts with Apache Spark through a REST interface.

November 28, 2017

by Guglielmo Iozzia

· 47,478 Views · 7 Likes

JSON Processing 1.1: The JSON Pointer Challenge

Want to see what the new JSON Pointer, straight from the JSON-P 1.1 API, is capable of? Here's a challenge and a corresponding explanation.

Updated November 27, 2017

by Alex Theedom

· 18,784 Views · 7 Likes

Error Handling Strategies

Learn about the four main error handling strategies- try/catch, explicit returns, either, and supervising crashes- and how they work in various languages.

November 27, 2017

by James Warden

· 17,878 Views · 30 Likes

How to Solve a Python 3 TypeError

Learn how to solve an error in Python that says "TypeError: unsupported format string passed to numpy.ndarray.__format__."

November 26, 2017

by Mark Needham

· 17,185 Views · 2 Likes

MySQL and Linux Context Switches

I often get questions about what is an acceptable number of context switches and at what point you should worry. Here are my answers to those questions!

November 26, 2017

by Peter Zaitsev

· 8,854 Views · 4 Likes

Spring Boot Plus Apache Ignite Data Grid

Learn how to integrate Spring Boot with Apache Ignite to use Ignite's persistent durable memory feature and execute SQL queries over Ignite caches.

November 26, 2017

by Mahmoud Romeh

· 33,471 Views · 9 Likes

MicroProfile: 5 Things You Need to Know

Here is everything you need to know about the ongoing design, philosophy, and process of developing the MicroProfile initiative.

November 26, 2017

by Alex Theedom

· 55,833 Views · 5 Likes

Java: The Factory Method Pattern

Explored the Factory Method pattern, walk through a Java example, and examine some other patterns that can be good alternatives to it.

November 25, 2017

by Justin Albano

CORE

· 108,320 Views · 32 Likes

An Intro to JSP, JSF, and EL

Let's talk about accessing HTTP objects using JSP, the newer and preferred JSF, and how to use Expression Language in your Java EE projects.

Updated November 24, 2017

by Alex Theedom

· 13,651 Views · 4 Likes

Want to introduce logic into your navigation? Here is how you can let queries dictate where your users go when using Visual Builder Cloud Service.

November 23, 2017

by Shay Shmeltzer

· 6,824 Views · 2 Likes

ETL Pipeline to Analyze Healthcare Data With Spark SQL, JSON, and MapR-DB

Learn how to ETL Open Payments CSV file data to JSON, explore with SQL, and store in a document database using Spark Datasets and MapR-DB.

November 23, 2017

by Carol McDonald

· 16,802 Views · 7 Likes

SNI in Tomcat

In this post we take a look at how to allow your Tomcat 8.5 or Tomcat 9 installation to handle multiple SSL certificates on a single port. Read on for the details.

November 23, 2017

by Paul Stovell

· 9,640 Views · 1 Like