
Design & Architecture
昆仑山白泽
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Python 归递 with Decorator 修饰器
Just found out that comments in 优快云 does not work for me, and others: https://blog.youkuaiyun.com/qq_33696345/article/details/87894969 https://blog.youkuaiyun.com/tangdou5682/article/details/52351604 no matte...原创 2020-02-06 02:45:18 · 217 阅读 · 0 评论 -
CEP
http://www.eventstreamprocessing.com/cep-history.htm http://www.infoq.com/news/2007/07/EDA-SOA2007-07-11 02:54:19 · 118 阅读 · 0 评论 -
用java解决百度之星移动火柴的问题 part 2
The next task is to evaluate a given expression. A simple way is to build a generic evaluator for the simple math expression we are dealing with. In fact, building a parser for +, -, /, * and ^(for po...原创 2009-06-09 02:07:29 · 242 阅读 · 0 评论 -
用java解决百度之星移动火柴的问题 part 1
Recently, I saw a post: http://www.iteye.com/topic/399628 Though I am too busy at work, can't help to spare some time on this subject because It is a small enough topic to talk about how to ...原创 2009-06-09 02:24:28 · 282 阅读 · 0 评论 -
Domain Driven Design
Having read a lot of discussion on DDD, I feel there is a misleading perception. Anyhow, this is just my experience. Most of the discussion and examples in the DDD discussion are related to databa...原创 2010-01-16 02:42:22 · 176 阅读 · 0 评论 -
Spreadsheet Dependency graph
In spreadsheets, such as Excel, we can write simple formules like the following: Here C4 = A3 + A5, so if A3=5 and A5=7, then C4=12. If we change A3 to 6 and hit enter, then C4 is automatical...2010-11-19 03:00:56 · 235 阅读 · 0 评论 -
Revisit again: 一道应聘智力题的编程求解, Einstein puzzle
Continue on: http://jellyfish.iteye.com/admin/blogs/610841, but this time we take a different approach, using ranged variables. First, define all the attributes we need with a range. The reason we...原创 2010-06-30 04:30:32 · 168 阅读 · 0 评论