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  What is Hystrix and How does Hystrix work

Background In distributed systems, there is one effect where the unavailability of one service or some services will lead to the service unavailability of the whole system, this is called service avalanche effect. A common way to prevent service avalanche is do manual service fallback, in fact Hystrix also provides another option beside this. Definition of Service Avalanche Effect Service avalanche effect is a kind of effect where the service provider fails to provide service which causes t...

   AVALANCHE EFFECT,HYSTRIX,DISTRIBUTED SYSTEM     2019-02-04 06:00:38

  8 most successful open source products

Open source itself is a successful product. It is not only liked by many personals, many famous enterprises like itAlthough there are numerous open source projects and open source products, which is the most successful among them? "Success" is defined as the widely used + well known here. In many successful open source products, only a minority leaders. Here we share 8 most successful open source products we think they deserve to be.LinuxReason: Linux + GNU = GNU / Linux. It has been almost 2...

   Open source,MySQL,Linux,BIND,BSD     2012-04-19 08:29:00

  Capture video stream with WebRTC

WebRTC(Web Real-Time Communication) is an API supporting real time audio and video communication through a browser. It is now a recommended W3C standard. This post is to show you how to capture video stream and screenshot with WebRTC. Capture video stream To play video stream from the video camera, we first need to put a video tag in our code: <video id="video"></video> The main function to get the video stream is the navigator.getUserMedia, as of now only few of the browsers support...

   WebRTC,Video,Screenshot     2013-10-24 21:04:41

  What do programmers like to say usually?

Coding is an very important part of programmer's daily work. But beyond coding, programmers need to do other work as well, they need to fix bugs reported by users, they need to write documents for their codes. Also, they often need to answer questions from customers, bosses and colleagues. What do they often say when they are facing different sort of questions? Today we share some. It's done. I just need to clean up a few things. This is hacky, but I'll fix it soon. This can never happen: It's ...

   Programmer,Execuse,Bug     2013-08-07 07:38:30

  Lenovo gets into the chip design field

According to EETimes, Lenovo will enter the field of chip design, the main focus is the smartphone and tablet chip design.There is a small team of 10 people who are working on integrated circuit design in Lenovo in the past 10 years, Till the middle of this year, Lenovo intends to expand the team to 100 engineers. Lenovo may recruit 40 engineers in Shenzhen and 60 engineers in Beijing.Despite Lenovo has much freedom in the choice of application processors, but because it involves a competitive ...

   Lenovo,Chip,Samsung,Smartphone     2013-04-01 06:15:54

  The Windows 8.1 Update is here! What to Expect from it?

Windows has finally released the update for Windows phone, the Windows 8.1! Microsoft has finally released the version upgrade which has interesting enhancements. This may not seem like a major upgrade but it definitely looks interesting. This latest update has been released on the Lumia phones that were running using the 8.0 version. There is a lot to look forward to in this new update, and some of it will definitely feel interesting. Folders along Live Tiles For a long time, people were attrac...

   windows 8.1     2014-08-21 08:34:24

  Some useful code editors for developers

A good code editor will save developers much work. It can help developers find syntax errors easily through code highlight capability. It also makes the code more readable and maintainable through the indentation. Here we recommend some excellent code editors which you may want to have a try. Compilr Compilr is an online IDE, it supports 8 languages as of now including : C, C++,C#,Java,JavaScript,PHP ,Python,Ruby and Visual Basic. Compilr is developed by Ninjia Otter Inc in Canada. CodeMirrow C...

   Code editor,Code highlight     2013-03-20 12:25:13

  Everyone Can Write Tech Blogs

As a programmer, you’ve probably been told that writing tech blogs can offer a range of benefits. There's no shortage of articles encouraging you to start writing, and this post, this post adds to that chorus. But while the advice is solid, what’s often missing is how to begin the journey of writing tech blogs. Based on my 10+ years of experience, I’d like to share some thoughts to help you get started. From what I've seen, the reason many programmers don’t write tech blo...

   CAREER,RESUME,ADVICE,TECH BLOG     2024-09-08 04:00:52

  Google+ is sick

Google says that Google+ now has over 170million registered users, but according a new research report of Fast Company about Google+,  Google+ is just a virtual ghost town.This research selected a sample of 40,000 random Google+ users. The result is :The average post on Google+ has less than one +1, less than one reply, and less than one re-shareRoughly 30% of users who make a public post never make a second oneEven after making five public posts, there is a 15% chance that a user will not ...

   Google+,Sick,Research     2012-05-16 05:41:35

  Alibaba IPO Live

Alibaba is going to launch its IPO at NYSE on 19th September. This will be the largest IPO in the history of US stock exchange. The opening price of Alibaba share will be $68 and its trade code is "BABA", in Chinese it means father. Alibaba is expected to get around $22 billion investment in its IPO. Want to witness this historic moment? Please join us for the live video from NYSE. Note this live stream is broadcasted with Chinese. We don't find the English source yet. We believe something is ...

   Alibaba,IPO,NYSE,Live     2014-09-19 06:51:25

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