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When Java SE 8 (aka core Java 8) was introduced in 2014, it introduced changes that fundamentally impact programming in it. The changes have two closely linked parts: the stream API and the functional programming constructs. This article uses code examples, from the basics through advanced features, to introduce each part and illustrate the interplay between them.

Open source isn't just for techies. On your desktop (regardless of your operating system), on your phone, and in your business, open source software can help you become better organized, more productive, more secure, and healthier. Best of all, you don't need to worry about the shackles of proprietary licenses. Throughout 2019, Opensource.com's team of Correspondents and community of writers have highlighted top-notch open source alternatives to proprietary software. Take a quick look at the best 10 of those articles.

This is part 9 in an ongoing series about creating video games in Python 3 using the Pygame module. Previous articles are:

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How do you track a wildly popular project like Kubernetes? How do you figure out where it’s going? If you are contributing to the project or participating in Special Interest Groups (SIGs), you might gain insight by osmosis, but for those of you with day jobs that don’t include contributing to Kubernetes, you might like a little help reading the tea leaves. With a fast-moving project like Kubernetes, the end of the year is an excellent time to take a look at the past year to gain insight into the next one. read more

When Opensource.com launched in 2010, Red Hat CEO Jim Whitehurst said the site "is one of the ways in which Red Hat gives something back to the open source community." And that community has always included the growing number of people who are new to open source. In 2019, we published many articles about the open source way of thinking, choosing hardware, the contribution process, and other topics geared toward newbies. If you're new to open source, this list of Opensource.com's top 10 articles from 2019 about getting started with open source should put you on the right path. read more

Cheat sheets are perfect for the new coder just starting out on the command line. However, even the most experienced programmers need to lean on references every once in a while. If that pesky keyboard shortcut is just at the tip of your finger, a cheat sheet is perfect to have nearby. Here’s a roundup of our downloadable guides that will set you up for success in 2020. read more

Modern organizations are adopting key elements from open source software. By leveraging the "open" in open source, leaders can help shape a more responsive and productive enterprise. Check out these top 10 articles from 2019 that can help you develop your own path in open leadership.

NextCloud is a free and open-source file hosting and file sharing server forked from ownCloud project. It is very similar to other file sharing services like Google Drive, Dropbox and iCloud. In this tutorial, we will explain how to install NextCloud and secure it with Let's Encrypt SSL on Debian 10.

VMware has wrapped 2019 with the addition of Pivotal to its ever growing family. The post VMware Wraps 2019 With Pivotal Acquisition appeared first on Linux.com.

No matter where you are in your programming journey, there are things for you to learn in Opensource.com's top 12 programming articles from 2019.

Java is still one of the most influential programming languages today. It only recently dropped from #2 to the third most used programming language on GitHub. You may say usage is not everything, but Java also remains popular.

Drupal is a free, open-source and scalable content management system that can be used by individuals to create and manage any types of websites. In this tutorial, we will show you how to install Drupal 8 on CentOS 8 server and secure it with Let's Encrypt free SSL.

I am an avid reader, but I go through periods where I'm so busy that it's hard to find the time to keep up with my reading list. Even during my busiest times, I try to stay up to date on DevOps news since it's one of my areas of focus.

If security is a process (and it is), then it stands to reason that different projects (and contributors) are in different places. Some applications have years of security testing, with design done by people who have worked in information security for decades. Others are brand new projects by developers working on their first open source project. It comes as no surprise that Opensource.com's top security articles of 2019 represent this range of experience.

This year saw a wide range of really helpful Ansible articles. Whether you are just starting out with Ansible or a seasoned pro, there is something for everyone here to learn from. A good number of these articles are worthy of your bookmarking and perhaps a cron (or maybe a Tower/AWX job) reminder to reread them periodically.

The year is still ending and the perfect time to reflect and look back at some Magazine articles continues. This time, let’s see if the editors chose some interesting ones from 2019. Yes, they did! Red Hat, IBM, and Fedora IBM acquired Red Hat in July 2019, and this article discusses how nothing changes for […]

This was the year when, once and for all, it became clear that the future of technology belongs to Linux and open-source software.

Hardkernel is prepping a $55 “Odroid-Go Advance” retro game console that runs Ubuntu 18.04 on a Rockchip RK3326 and offers a 3.5-inch color display, gaming controls, and a 10-hour battery. Hardkernel has posted specs for a handheld retro game console that will launch in late January for $55. The Odroid-Go Advance is a more powerful […]

Hanukkah famously has eight nights of celebration. The Hanukkah menorah, however, has nine candles: eight regular candles and a ninth that is always offset. It is called the shamash or shamos, which loosely translates to meaning "servant" or "janitor." The shamos is the candle that lights all the others: it is the only candle whose fire can be used, not just watched. As we wrap up our series on the Zen of Python, I see how namespaces provide a similar service. read more

It has been a great year for agile topics on Opensource.com. As we approach the end of 2019, reviewed our top agile-related articles, as read by you, our readers!