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

  Windows 8 Possible Features: Ribbon, Metro, Apps, Cloud Integration

Microsoft may still be plugging away at selling Windows 7 to consumers and the enterprise, but rumors have already started about the next version of the popular operating system—dubbed "Windows 8" by many in the media. Rafael Rivera and Paul Thurrott, two bloggers with a track record of delving into Microsoft's proprietary code base, recently sparked a fresh round of chatter with a dissection of a supposed Windows 8 early build, adding their voices to a discussion that extends back to 201...

   Windows 8,New features,Touch,Metro     2011-04-11 02:10:12

  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

  Is programmer really profession for youth only?

- dedicated to the new programmers just into the workplace.

One young Chinese friend asked me: is programmer meant only for less experienced youth? Should I consider transition once if I work on it until 30 years old?

   Programmer,Youth,Product,Project,Career,Analysis     2012-03-18 07:06:44

  Windows 8 price is unveiled

Although it's still half month away from releases of Windows 8, Microsoft releases price of all versions of Windows 8 on Windowsteam blog. From now on, users can pre-order this product on Amazon, Bestbuy, Staples and Office Depot. The prices for different version : Windows 8 Professional Upgrade : $69.99 Windows 8 Pro Pack-Product Key Card : $69.99 Windows 8 64 bit(Full Version) -- OEM : $99.99 Windows 8 32 bit (Full Version) -- OEM : $99.99 Windows 8 Professional 32 bit (Full Version) -- OEM ...

   Windows 8, Price     2012-10-12 20:03:55

  Hail the return of native code and the resurgence of C++

Programming language trends come and go. First, Java is the hot new language, then it's Python, then Ruby steals the limelight, then it's back to JavaScript. But the latest language darling is probably the last one anyone expected. Believe it or not, 2011 could be the year of C++. Last week, the latest version of the ISO C++ Standard was approved by unanimous vote. It's the first major revision of the language in 13 years. Now officially known as C++11, the new standard introduces features desig...

   C++,Future,Return back,Popular,Local dev     2011-08-24 02:20:24

  Yahoo is going to recycle inactive user IDs

According to Sina Tech, Yahoo announced that it would provide users with shorter, more lovely and more memorable Yahoo IDs starting from July 15. For IDs like emily@yahoo.com, if they are in inactive status in the past 12 months, then other users will be able to get this ID. Yahoo plans to reset Yahoo ID system to help users get the ID they want in mid of July. By mid-August, users who apply for a Yahoo user ID will be informed what kind of ID they get.This means that users can apply multiple ID...

   Yahoo,ID recycle     2013-06-12 21:22:15

  Top Digital Transformation Trends To Lookout For in 2018

While Innovation was rife in 2017, it is expected that 2018 will bring the cherry on the cake. While businesses are shifting continually towards making things work with Technology in view, organizations have had to embrace the Tech wave for good. A paradigm change in the way businesses operate is the consequence of the trends in Digital Transformation. From Artificial Intelligence to Blockchain, to Machine Learning, to Data Analytics, 2017 saw the onset and the growth of numerous new Technologie...

   CUSTOM SOFTWARE SOLUTIONS,SOFTWARE DEVELOPMENT,OFFSHORE SOFTWARE DEVELOPMENT,OUTSOURCING SOFTWARE DE     2018-01-10 00:37:38

  Surface Pro available in mainland China on April 2

According to 36Kr, the Surface Pro will available in mainland China, Australia, France, Germany, Hong Kong , New Zealand and the United Kingdom starting from the end of March. Now the confirmed news is Surface Pro will be on sale in mainland China at 9:00pm on April 2 officially. The Surface Pro price in the United States is 64GB/$899, 128GB/$999. If it's the same in China, then the cheapest Surface Pro should be nearly ¥5600,the 128 GB Surface Pro will be up to ¥6200.Surface Pro configu...

   Surface Pro,China,Sale     2013-03-28 08:51:00

  Data Scientists and Their Harder Skills than Big Data

The field of data science is often confused with that of big data. Data science is an aid to decision makers in a company with a logical approach.  Who is a Data Scientist?  A Data Scientist reviews a huge collection of data(that may extend to a couple of terabytes of disk space or thousands of excel sheets). This humongous chunk of data is not feasible for being handled, sorted and analyzed by a single person. Here we require the help of data science, and most recently, the field of A...

   BIG DATA     2017-12-13 04:22:55