Open Source Software Starter Guide: Conceptual review

Open source projects are now ubiquitous, from the web to personal computers to smartphones, and we seem to see it everywhere. In today's article, we will explore the following three topics: Open Source Definition Popular Open Source project example how to participate in the open source project 1.   What is open source software?   Open source software is a subclass of computer software in which the source code is open to the public and a specific licensing mechanism is available to allow anyone to modify the code and redistribute the code or executable file. Although open source software usually ...

Understanding Hadoop ecosystem from problem domain

Hadoop ecosystem has developed rapidly in recent years, and it contains more and more software, and it also drives the prosperity and development of the peripheral system. Especially in the field of distributed computing, the system is numerous and diverse, from time to time a system, claiming to be more efficient than mapreduce or hive dozens of times times, hundreds of times times. There are some ignorant people who always follow the impala and say that the replacement of Hive,spark will replace the Hadoop MapReduce. This article fires from the problem domain and explains the unique role of each system in Hadoop ...

How does Facebook push the next wave of open source?

June 23 News, no longer questioned: Facebook has become the world's largest open source company. Previously, Facebook had led a trend through data centers, databases and various open-source designs. This week, the company launched two more Open-source projects: The Wedge network switch and the Fboss operating system it uses.   This puts Facebook on the top of the open source. But does this also ring the bell of the Open-source company? After all, companies like Facebook, Google (Weibo) and LinkedIn have launched a lot of ...

Four scenarios for OpenStack deployment to Hadoop

As companies begin to leverage cloud computing and large data technologies, they should now consider how to use these tools in conjunction. In this case, the enterprise will achieve the best analytical processing capabilities, while leveraging the private cloud's fast elasticity (rapid elasticity) and single lease features.   How to collaborate utility and implement deployment is the problem that this article hopes to solve. Some basic knowledge first is OpenStack. As the most popular open source cloud version, it includes controllers, computing (Nova), Storage (Swift), message team ...

Open Source SDN Project Opendaylight Add new members

The Linux Foundation's Opendaylight project aims to promote open source http://www.aliyun.com/zixun/aggregation/13868.html "> Software Definition Network (SDN) development.   Extreme NX (EXTR), Flextronics and Oracle (ORCL) have now joined the project. Three companies June 5 officially joined the opendaylight ...

20 of the best jQuery Bootstrap Plug-ins available to developers (2)

Bootstrap tabcordion A simple jquery plugin that folds a set of Bootstrap options Kacheng Bootstrap organ.   It can be configured to change the size of the runtime container or window to provide a responsive, stylish rich UI. The Bootstrap colorpicker Sliders Bootstrap 3 optimizes the advanced responsive color selector, using a color swatch and supporting the perceived brightness of the human. Apply to ...

20 of the best jQuery Bootstrap Plug-ins available to developers (1)

Twitter Bootstrap is one of the most popular front-end frameworks that can be viewed as the backbone of network development as a means for developers to build effective and useful Web applications. It is rich in functionality: Using 12-column response grids, numerous components, http://www.aliyun.com/zixun/aggregation/33906.html ">javascript plug-ins, typography, tabular controls, You can even customize your bootstra based on your Web page ...

What is the relationship between open source and earth science? Listen to what NASA says.

The National Aeronautics and Astronautics Research organization NASA has been in deep cooperation with http://www.aliyun.com/zixun/aggregation/13856.html "> Open source Community, and many of its projects have been open source, Special websites have been set up to showcase these projects. Iteye has also recommended some of NASA's Open-source projects. In the following article, we try to overcome the fragmentation and diversity of the open source community, taking NASA and more open source communities as examples to see if they ...

An innovative way to inventory nine Hadoop commercial releases

Big data and Hadoop are moving in a step-by-step way to bring changes to the enterprise's data management architecture. This is a gold rush, featuring franchisees, enterprise-class software vendors and cloud service vendors, each of whom wants to build a new empire on the Virgin land. Although the Open-source Apache Hadoop project itself already contains a variety of core modules-such as Hadoop Common, Hadoop Distributed File Systems (HDFS), Hadoop yarn, and Hadoop mapreduce--...

Ten reasons why open source software is the world

Open-source Software, formerly a favorite of technology enthusiasts, is now sweeping the software world. By 2016, open source software will be in the mission-critical software of nearly all the top 2000 companies in the world, according to Gartner. According to Black Duck Software, a source management software maker, there are more than million open source software projects worldwide.   Here is the summary of the small series of open source software is able to quickly popularize the ten reasons. Quality According to this year's "Black Duck Open Source software Future" ...

Why is Open-source software not as secure as it is supposed to be?

OpenSSL Heartbleed's big fiasco shows no objection to what people have always suspected: just because open source code is just for checking, it doesn't mean it's completely checked out, but it's safe. This is critical because the security of open source software relies entirely on a large number of professionally skilled programmers to detect code and quickly remove or fix code that contains bugs. This is also mentioned in Linus's law Linus: "If you have enough eyes, you can make all the problems come to mind ...

10 basic practical algorithms that programmers must know and their explanations

Algorithm one: Fast sorting algorithm is a sort algorithm developed by Donny Holl. In average, sort n items to be 0 (n log n) times compared. In the worst-case scenario, 0 (N2) comparisons are required, but this is not a common situation.   In fact, fast sorting is typically faster than the other 0 (n log n) algorithms because its internal loops (inner Loop) can be implemented efficiently on most architectures. Quick sort using divide-and-conquer method (http://www ...)

MongoDB 2.6.2 release, greatly improve the query function

Http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb 2.6.2 released, the new version greatly improved the query function. MongoDB is a database of distributed file storage, written by the c++++ language, designed to provide scalable, high-performance data storage solutions for Web applications.   Its features are high-performance, easy to deploy, easy to use, storage data is very convenient. The main features are: set-oriented storage, ...

5 Open source libraries that Android developers must know

In the past, Android development has matured, with Android-related development tools emerging. However, in the face of a variety of new things, do not forget those we use every day a large number of open source library. Here, I would like to introduce to you, in this hard-working family, the most popular developer favorite five Android libraries.   Hopefully, by understanding them, you can help with your development efforts. 1. Gson Gson is provided by Google for use between Java objects and JSON data ...

How is open source made?

Open source software is the shortest route that can now bring innovation to market. When it comes to the reputation of millions of developers and will download new code under open source licenses for new tasks, you can almost feel the world's technology baseline has been higher.   But will the far-reaching effects of open source stop at this moment? Over the past few years, GitHub is one of the most popular cloud-controlled versions and versions of the library service, but gradually, people no longer think so. Recently, at a small meeting, several managers in several companies agreed to collaborate, organize themselves 、...

MySQL Application architecture evolution in large Web sites

As the most popular open source database, MySQL is widely used in Web applications and other small and medium-sized projects. However, in many large IT companies, MySQL has gradually deviated from the original open source version after being highly optimized and customized, more like a branch, such as the Webscalesql of Facebook, which was not long ago open source.   Recently, Mr. Xiong has published a blog post, from the perspective of large-scale web site architecture development of the changes in MySQL application, here for you to share. This article mainly describes the different and ...

65 kinds of GPU performance test, AMD Open source drive lead!

Http://www.aliyun.com/zixun/aggregation/33721.html "What is the performance of the open source graphics driver for the >2014 year under a graphics-intensive program?" Recently, Phoronix tested 65 different GPU uses open source drive OpenGL performance, the test GPU model includes Intel HD Graphics, AMD Radeon, AMD FirePro and NVIDIA GeForce series ...

Open Source project on Dockercon

Http://www.aliyun.com/zixun/aggregation/33721.html ">2014 years of Dockerc++on end, the main page June's feeling is: This is an open source of the event, as well as the event of the sale of Meng." In this two-day conference on a lot of open source of good things, and look at the home page June List: Kubernetes company: Google https://github.com/...

Open source Software Deployment Solution Docker 1.0 Official release

Yesterday, the Docker team announced http://www.aliyun.com/zixun/aggregation/18782.html "> officially released Docker 1.0, and in the blog, Docker positioned itself as" an open platform for distribution applications ". Docker can be packaged and easily deployed on a cloud server, which can be compared to the invention of a container. Containers standardize freight targets, Docker application standardization ...

San Jose Hadoop Summit 2014 points

In the era of data-king, the ability of data mining has become one of the important indexes to measure the competitiveness of enterprises. How to make use of the common large data platform Hadoop, how to choose a suitable enterprise business of the Hadoop distribution has undoubtedly become the enterprise's necessary skills. In this costly exploration process, the top events in the large data industry have undoubtedly become an important cognitive and learning channel for each institution.   Here we go into Hadoop Summit 2014. The 2014 Hadoop summit was in the United States from June 3 to 5th ...

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