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A programmer’s cleaning guide for messy sensor data

Mon, 09/04/2017 - 02:03

In this tutorial, I'll explain how to use Pandas and Python to work with messy data. If you have never used Pandas before and know the basics of Python, this tutorial is for you.


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What's the current state of Linux distros for kids?

Mon, 09/04/2017 - 02:01

When she was only two years old, my daughter was fascinated by the old Eee PC running Ubuntu Studio I was using as one of my main computers. She would climb on my lap to hammer away at the keyboard, so—even though she was a bit young—I decided to search for Linux distributions made for children. To my surprise, I found a few distros made for kids as young as two. 


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How WikiFundi is helping people in Africa contribute to Wikipedia

Mon, 09/04/2017 - 02:00

In developed countries, the ability to access and edit Wikipedia easily is taken for granted, but in many African countries, where access to reliable electricity and broadband are limited, that's not the case. I recently interviewed Florence Devouard, who is working on several open source projects to help close gaps caused by poor access to online information.


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Oracle could leave Java EE to an open source foundation and more news

Sat, 09/02/2017 - 02:00

In this week's edition of our open source news roundup, we take a look at Oracle wanting to pass Java EE to an open source foundation, Schiphol airport turns to open source, Colorado investigating open source textbooks, and more.

Open source news roundup for August 20-September 2, 2017
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Top 5: Your first programming language, running Windows apps on Linux, and more

Fri, 09/01/2017 - 07:03

In this week's top 5, we take a look at open organizations, programming languages, and Linux.

This week's top articles 5. 3 consequences of coding in the open

Erik Kieckhafer shares how transparency has changed the way he works, making him more accountable and more responsive.


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Diversity and inclusion: Stop talking and do your homework

Fri, 09/01/2017 - 02:02

Open source undoubtedly has a diversity problem. In fact, tech has a diversity problem.


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An economically efficient model for open source software license compliance

Fri, 09/01/2017 - 02:01

"The Compliance Industrial Complex" is a term that evokes dystopian imagery of organizations engaging in elaborate and highly expensive processes to comply with open source license terms. As life often imitates art, many organizations engage in this practice, sadly robbing them of the many benefits of the open source model. This article presents an economically efficient approach to open source software license compliance.

Open source licenses generally impose three requirements on a distributor of code licensed from a third party:


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Opensource.com CFP and September preview

Fri, 09/01/2017 - 02:00

We're looking for open source-angled articles for a few upcoming themes:


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How do I run Windows software on Linux?

Thu, 08/31/2017 - 02:00

So you're ready to make the jump to Linux, but you've still got a handful of programs you're just not quite ready to part with. Can you still run your Windows software on Linux?

The answer might be yes, but, with some caveats.

I want to draw an important distinction before we move on. It might seem obvious, but it bears repeating: Running a program on Linux does not magically make it open source, any more than running the program on Windows makes it closed source.


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3 consequences of coding in the open

Thu, 08/31/2017 - 02:00

I have no idea what you did at your job last week. I couldn't find out if I wanted to.

But if you were curious enough about it, you could find out exactly what I did, Monday through Friday.


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Tips for customizing your new Linux installation

Thu, 08/31/2017 - 01:00

I recently installed the latest release of Fedora 26 from scratch on a brand new laptop. If you've been using Linux for a while, you may opt to do upgrades instead of fresh installs to keep your preferences and configurations intact. After all, who wants to go searching for customizations every time a new version of your favorite distribution (in my case, Fedora) comes out?


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3 open source Python GUI frameworks

Wed, 08/30/2017 - 02:03

There comes a time in the journey of most any programmer when they are ready to branch out past the basic examples and start to build a graphical interface to their program.

In Python, the steps to get started with GUI programming are not terribly complex, but they do require the user to begin making some choices. By its nature as a general purpose programming language with interpreters available across every common operating system, Python has to be fairly agnostic as to the choices it presents for creating graphical user interfaces.


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8 open source Android apps for education

Wed, 08/30/2017 - 02:02

With a new school year beginning in many areas, now is a great time for parents, students, and educators to try out apps that can help with the learning experience. The following eight apps can turn an Android phone or tablet into a tool to help a student learn and study. They are all open source and all of them are available from the F-Droid repository, so you easily add these apps to any phone that is configured to allow apps from external repositories.


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How to create reproducible build environments with Rebuild

Wed, 08/30/2017 - 02:01

Building modern software in a predictable and repeatable way isn't easy. The overwhelming number of software dependencies and the need to isolate conflicting components presents numerous challenges in managing build environments.

Although there are many tools aimed at mitigating this challenge, there are two approaches most of them take: either they rely on package managers to preserve and replicate package sets, or they use virtual or physical machines with preconfigured environments.


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What you should know about CephFS

Tue, 08/29/2017 - 02:02

Today, new storage system interfaces are created regularly to resolve emerging challenges in distributed storage. For example, Amazon Simple Storage Service [S3] (an opaque object store) and Amazon Elastic Block Storage [EBS] (a virtual machine image provider) both provide an essential, scalable storage service within a cloud ecosystem; however even with these new technologies, the conventional file system remains the most-widely used storage interface in computing.


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Create versatile visualizations with D3 and Angular

Tue, 08/29/2017 - 02:02

Our world is based on data. We gather it everywhere: forms, feedback, learning techniques, data mining, etc. When it comes to working with that data, we need to do more than show numbers back to our users; we need to make it easy for them to understand what the numbers mean.


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How a leader can move forward without consensus

Tue, 08/29/2017 - 02:00

Open organizations depend on collaboration and inclusion, so when it comes to making decisions, it's natural to wonder how much time and energy we ought to spend in the pursuit of alignment and consensus-building.

Openness and transparency are infused into everything we do at Red Hat, from the way we create technology to our methods of communication. We are a mission-based, purpose-driven organization, and that means company-wide alignment will always be crucial for some of our decisions.


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What was your first programming language?

Tue, 08/29/2017 - 01:59

Whether you first learned to program in a classroom setting, on the job, or by teaching yourself, everyone who has contributed code to an open source project has a story of how they first picked up programming. And no matter if you still use it today, your first language played an important role in shaping your understanding of computer systems.

So which language did you begin with?


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