Posts
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Snow Leopard is not that ready
I downloaded and installed Snow Leopard A380(WWDC version). It feels a little bit faster than Leopard. But lack of some... -
绿坝-花季护航-中国软件产业的丑恶
中国软件产业的问题有很多，最严重的大约有以下两点： 1. 抄袭开源软件 很多国内的公司的软件都公开抄袭开源软件，抄GPL的不开源，抄BSD的不保留License声明。抄了之后的软件直接去商用、去骗国家的项目。 2. 投标暗箱操作 比较低级... -
Speed: JRuby 1.2.0 > Ruby 1.9.1 >> Ruby 1.8.7
Question No. 14 of Euler Project: euler hu$ time jruby 014.rb real 0m12.686s euler hu$ time ruby1.9 014.rb real 0m15.70... -
Uploading multiple large files to a Rails application
Abstract This article solves 2 problems in Rails application development: Uploading multiple files into Rails app Uploa... -
过去了
20周年，就这么过去了。 spaces.live.com和flicker.com又可以访问了。 -
Number of Divisors
http://en.wikipedia.org/wiki/Divisor_function to calc number of divisors of X: found all prime factors of X and number ...