Sunday, September 16, 2012

Stop renewing this blog - please see my main blog

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http://xiongzou.blogspot.sg/   thanks
Thursday, August 16, 2012

Calculate the sum of all the primes below two million

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The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million. Question is from  Project Euler Q...
Wednesday, July 25, 2012

Find the greatest product of five consecutive digits

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the problem is as below, got from ProjectEuler.net   Problem 8 : Find the greatest product of five consecutive digits in the 1000-digit nu...
Monday, June 25, 2012

The future of institutional trading - slower trading through cloud based services?

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"A venue that questions the need for speed is a new ATV called PDQ run by ex GETCO CEO Keith Ross. PDQ say they have developed new ways...
Wednesday, June 20, 2012

Open Source Project Planner - OpenProj

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Nowadays open source OpenProj becomes more and more popular for project management. How to use it efficiently and utilize its features to ...
Wednesday, May 16, 2012

基于业务设计技术架构（兼谈12306性能问题）by 陈勇

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敏捷开发产品管理系列之八：基于业务设计技术架构（兼谈12306性能问题）， 陈勇从业务员的角度分析怎么解决春节火车订票系统12306崩溃的问题。很有启发性。 比方他提到的排队设计，确实是解决问题的好办法之一。 一个项目不是只需要技术人员，从另外一个角度，往往可以起到事半功倍的...
Monday, May 7, 2012

Why Scalar Optimization Is Important by Richard Friedman

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In this interesting article, Richard mentioned a very simple yet important Amdahl's Law. ( http://en.wikipedia.org/wiki/Amdahl's_law...
2 comments:
Sunday, April 29, 2012

The Cost of Mutexes By Darryl Gove

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sometimes we wonder what will be the cost of a mutex lock and unlock while we are concerned about the system performance at micro-seconds le...
Tuesday, March 27, 2012

Error - boost::unordered_map is not derived from type A

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When we use STL or boost template classes like boost::unordered_map together with our own template class, as below: #include "boost/un...