JavaScript Resources

Code Smells: Mutation

Here we see the wrench that poorly implemented mutable values throws into your code. Learn about the symptoms and solutions you can use to fix the problem.

August 30, 2017

by Trisha Gee

· 17,850 Views · 17 Likes

Converting System Strings Into Standard Strings

Learn about system strings and check out this solution to a common problem when working with C++/CLI: converting System::string^ into std::string.

August 27, 2017

by Orcun Yilmaz

· 6,433 Views · 1 Like

The Do's and Don’ts of Java Strings

This whirlwind tour of Java strings covers best practices for internationalization, localization, concatenation, and comparators, and more.

August 27, 2017

by Lyndsey Padget

· 36,814 Views · 29 Likes

Java Command-Line Interfaces (Part 8): Argparse4j

Taking some inspiration from Python's argparse module, Argparse4j is a useful command-line argument parser library to consider when working with Python scripts.

August 24, 2017

by Dustin Marx

· 10,233 Views · 2 Likes

Getting Started With Cucumber.js on Node.js

Cucumber.js is an open-source library that allows you to automate tasks in your web app. Learn how to use it, and make your app as cool as a cucumber!

August 22, 2017

by Kailash Yogeshwar

· 45,718 Views · 10 Likes

The Bean Class for Java Programming

Professor Ken Fogel defines the bean class, a subset of the original JavaBean concept, as a class used to aggregate or collect both primitive data types and other classes for modeling data in a program. He offers up examples and various rules for beans as they pertain to his courses.

August 22, 2017

by Ken Fogel

· 36,084 Views · 23 Likes

New RegEx Features in Java 9

RegEx fans will want to brush up on the changes coming to Java 9. Check out how they'll be packaged with the module system and the new tweaks coming.

August 17, 2017

by Peter Verhas

CORE

· 14,580 Views · 9 Likes

Announcing log4j-aws-appenders

This new homebrew project will help append your Log4j logs to prep them for CloudWatch, giving you more visibility into EC2 apps.

August 17, 2017

by Keith Gregory

· 16,850 Views · 6 Likes

Best Practices for JavaScript Library Versioning

Have you ever used the latest version a library only to have it be way worse than the older iteration? This dev sure has and offers some advice on library versioning.

August 16, 2017

by Adam Bard

· 8,757 Views · 6 Likes

Parsing in JavaScript: Tools and Libraries, Part 2

We explore the world of parser generators and parser combinators, to help guide you intrepid web developers through the complex world of JavaScript.

August 15, 2017

by Gabriele Tomassetti

· 7,860 Views · 5 Likes

Angular Authentication With OpenID Connect and Okta in 20 Minutes

In this article, we build a simple web application in Angular and then show you how to add authentication measures, allowing your users to sign in and out.

August 10, 2017

by Matt Raible

· 20,359 Views · 6 Likes

Converting C# Enums to JavaScript

Ever needed to make some enums in C# available to some JavaScript? In this post, we take a look at a solution to doing just that!

August 9, 2017

by Gunnar Peipman

· 16,784 Views · 3 Likes

The HTTP Series (Part 4): Authentication Mechanisms

If you're looking to up your web or network security game, read on for an in-depth analysis on HTTP authentication, and how you can use it.

Updated August 9, 2017

by Vladimir Pecanac

· 12,133 Views · 9 Likes

Concatenating Strings in Java 8

This walkthrough of string concatenation explores the additions Java 8 made as well as how to use it with relatively new classes, like Optional.

August 8, 2017

by Daniela Kolarova

CORE

· 116,245 Views · 39 Likes

RxJava: flatMap() vs. concatMap() vs. concatMapEager()

On the face of it, flatMap, concatMap, and concatMapEager do largely the same thing. But let's look under the hood to see which works best in a given situation.

Updated August 8, 2017

by Tomasz Nurkiewicz

CORE

· 15,947 Views · 9 Likes

Eager Subscription: RxJava FAQs

Learning RxJava can be a challenge, what with it being a fairly substantial shift in how you think. In this post, we take a look at some FAQs that come up.

August 3, 2017

by Tomasz Nurkiewicz

CORE

· 6,932 Views · 7 Likes

How to Interact With a Database Using Promises in Node.js

Understanding promises is essential to understanding async functions. Learn the basics of promises and demonstrate how they can be used to construct asynchronous apps.

August 2, 2017

by Dan McGhan

· 67,643 Views · 5 Likes

Kotlintest and Property-Based Testing

Kotlintest, a port of scalatest written in Kotlin, comes with the support of property-based testing. See how to take advantage of it on a few helpful examples.

August 1, 2017

by Biju Kunjummen

· 12,039 Views · 4 Likes

How to Interact With a Database Using Callbacks in Node.js

Callback functions have been around for a while, but there have never been any standards for using them — leading to variations in API implementations.

July 23, 2017

by Dan McGhan

· 34,798 Views · 4 Likes

How to Interact With a Database Using Various async Patterns in Node.js

Get a little context on how async programming is different than traditional programming. It's not as easy as it may first seem.

July 20, 2017

by Dan McGhan

· 8,738 Views · 3 Likes

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