Latest Articles

The Definitive Guide to Python Exceptions

In this post, we take an in-depth look at the inner working of Python exceptions and how to ensure you handle (and use) them effectively.

August 12, 2016

by Julien Danjou

· 9,751 Views · 4 Likes

Connascence of Meaning in Java

What is the connascence of meaning between two classes? Check out this example in Java to find out.

Updated August 11, 2016

by Sean O'Toole

· 14,978 Views · 13 Likes

The Single Level of Abstraction Principle

As the old computer science adage goes, all problems in computer science are created by, and solved by, adding an extra layer of abstraction.

August 11, 2016

by David Bernstein

· 17,356 Views · 17 Likes

Losing Control Over Our Digital Self When So Many Domains Take A Piece

We are all awash in domains. And attending to the mall sometimes seems like one of those spinning plate routines. Here are some thoughts on how to regain some sanity.

August 11, 2016

by Kin Lane

· 2,963 Views · 5 Likes

Named Parameters in JDBC Queries

A simple guide for how and when to use the Parameters class in your JDBC queries.

August 11, 2016

by Greg Brown

· 35,630 Views · 4 Likes

Securing Apache Spark Shuffle Using Apache Commons Crypto

Learn how the performance advantages of the Crypto cryptographic library will provide an upgrade for Spark shuffle encryption over the current approach.

August 11, 2016

by Cheng Xu

· 6,346 Views · 3 Likes

Update DynamoDB Items With Java

Amazon's DynamoDB is a powerful cloud database service that includes a simple Java API.

August 11, 2016

by Emmanouil Gkatziouras

CORE

· 34,527 Views · 2 Likes

How to Create Badges (Item Counts) in Android

Follow along to learn how to put badges on your apps to help notify users.

August 11, 2016

by Adam Smith

· 72,928 Views · 4 Likes

Update DynamoDB Items With Node.js

In this post, we take a look at how to update items in DynamoDB using Node.js including some examples. Read on to find out more!

August 10, 2016

by Emmanouil Gkatziouras

CORE

· 57,655 Views · 3 Likes

Working to Avoid the Drowning Effects of Real-time

The problem isn't the amount of information, it is the emotional toll of real-time.

August 10, 2016

by Kin Lane

· 2,642 Views · 4 Likes

MuleSoft: Map a Complex Object to DataWeave With a Fixed-Width Format

Learn the steps needed (and the reasons why they're needed) to update a legacy app involving mapping complex objects to DataWeave with fixed widths.

August 10, 2016

by Sulthony H

· 23,690 Views · 4 Likes

Find out the steps to learn how Mongoose handles cookie authentication and session management for apps.

August 10, 2016

by Deomid Ryabkov

· 6,020 Views · 3 Likes

API Gateway Custom Authorization With Lambda, DynamoDB, and CloudFormation

See how to set up your own API Gateway authorization when using an assortment of tools, including Amazon's Lambda and DynamoDB and CloudFormation.

August 10, 2016

by Michael Wittig

· 18,873 Views · 2 Likes

Building a Web UI for PostgreSQL DBs in Plain Java

This guide walks you through the process of connecting to PostgreSQL databases from Java web applications using MyBatis and Spring Framework. The UI part will be built using Vaadin Framework which allows you to build modern single-page web apps with only Java.

August 9, 2016

by Alejandro Duarte

CORE

· 19,919 Views · 12 Likes

Apache CloudStack vs. OpenStack: Which Is the Best?

CloudStack and OpenStack are two giants in the CMP realm. But where are they best used? See how their components compare head-to-head.

August 9, 2016

by Milita Datta

· 17,067 Views · 9 Likes

Log4j 2.x XSD Is Not Fully Descriptive

Think Log4j 2.x and JAXB play nicely together? It would seem that Log4j's XSD doesn't fully specify Log4j's components' configuration attributes. Read on to find out more.

August 9, 2016

by Dustin Marx

· 8,130 Views · 3 Likes