Archive for the ‘others’ Category

Parts 1 through 3 of this four-part series on developing Web services in Java SE first presented an overview of Web services and Java SE’s support for developing them. The series then focused on developing SOAP-based and RESTful Web services via this support. Part 4 wraps up this series by focusing on advanced topics.

This article first introduces Java SE’s SAAJ API for working with SOAP-based Web services at a lower level. It then discusses how to create a JAX-WS … Read the rest

This tutorial details how AWS Lambda and API Gateway can be used to develop a simple code evaluation API, where an end user submits code, via an AJAX form submission, which is then executed securely by a Lambda function.

aws lambda api gateway python logos

Check out the live demo of what you’ll be building in action here.

WARNING: The code found in this tutorial is used to build a toy app to prototype a proof of concept and is not meant for production use.

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What is a database? Once upon a time, it was simple. The database was a modern Bob Cratchit putting data in tables made up of very straight columns filled with one row per entry. Long, endless rectangles of information stretching on into the future.

The relational database has been the bedrock of modern computing. The vast majority of websites are just a bunch of CSS lipstick painted on top of SQL. Everything that makes us special is just another row … Read the rest

Do you have a ball of tangled up wires and adapters somewhere in the bottom of your bag? This Universal Electronics Accessories Travel Organizer provides a flexible organization solution for your electronics and computer accessories. It helps make you better organized with all the small items and gadgets.  Made of durable and weather-resistant nylon with well padded semi-flexible covers.  It’s compact size of  8.8“ x W 6.1″allows it to easily stored in you laptop bag or backpack.  This travel organizers Read the rest

A compact power bank, a car jump starter, and a LED flashlight, all fit into a minimal and portable design. Whether it is your car or your USB devices, never run out of power again. Store it in the glovebox or simply drop it in your bag. Have a concentrated 14000mAh source of power always with you — enough for up to 20 vehicle jumpstarts or many device recharges before the unit itself needs to be recharged. RAVPower’s jump starter … Read the rest

These night lights turn themselves on & off from dusk to dawn, have offset prongs that won’t block your second outlet, and feature long lasting LED bulbs that won’t make any noticeable impact on your energy bill at only 2.2 Kwh per year. Their frosted white diffuser ring puts out just the right amount of soft light for you to find way in the dark without having to turn on any overhead lights. A pack of 6 is currently … Read the rest

Self-driving cars, face detection software, and voice controlled speakers all are built on machine learning technologies and frameworks–and these are just the first wave. Over the next decade, a new generation of products will transform our world, initiating new approaches to software development and the applications and products that we create and use.

As a Java developer, you want to get ahead of this curve now–when tech companies are beginning to seriously invest in machine learning. What you learn … Read the rest

Kotlin is a general purpose, open source, statically typed “pragmatic” programming language for the JVM and Android that combines object-oriented and functional programming features. It is focused on interoperability, safety, clarity, and tooling support. Versions of Kotlin for JavaScript (ECMAScript 5.1) and native code (using LLVM) are in the works.

Kotlin originated at JetBrains, the company behind IntelliJ IDEA, in 2010, and has been open source since 2012. The Kotlin team currently has more than 20 full-time members from JetBrains, … Read the rest

This bias lighting strip, currently discounted by 74% on Amazon from $49.99 down to just $12.99, reduces eye-strain caused by differences in picture brightness from scene to scene in movies, shows and games, by adding a subtle backlight to your monitor or TV.  The LED lights can be changed with up to 20 color selections customizing and setting the mood of your workspace. The strip is easy to install and can be cut to size and plugs directly in … Read the rest

Stream audio from your Bluetooth device to any non-Bluetooth enabled receiver, speaker, or car stereo with this adapter from Etekcity, which is currently discounted 61% down to just $19.58. Simply connect the receiver to your speaker system via a traditional RCA or 3.5mm aux audio input, and pair with your Bluetooth device. Its compact design makes it super portable, and its long lasting battery provides up to 10 hours of streaming before needing a re-charge. See this deal on Read the rest