装象你好歹也插根葱

August 2nd, 2008

揭开Google暴利秘密的数学公式

这个数学公式所表达的意思就是Google的总价值等于它抓取的网页蕴含的总价值减去它的运营成本,VG可以看作Google占有的互联网信息剩余价值。

张五常看见这玩意能被气死。佛里曼半辈子讲交易成本,这帮伪经济学家们还是无视之。价值是会因为交易成本而消散的呀,同志。

葱都懒得插一根,翘着个猪拱嘴就愣充象,这玩意他不光是能力问题,他还是个态度问题。

基于Rails的SNS的比较

June 13th, 2008

OneBody

+----------------------+-------+-------+---------+---------+-----+-------+
| Name                 | Lines |   LOC | Classes | Methods | M/C | LOC/M |
+----------------------+-------+-------+---------+---------+-----+-------+
| Controllers          |  2714 |  2448 |      34 |     228 |   6 |     8 |
| Helpers              |   246 |   218 |       2 |      20 |  10 |     8 |
| Models               |  3802 |  2653 |      55 |     284 |   5 |     7 |
| Libraries            |   770 |   644 |      16 |      51 |   3 |    10 |
| Integration tests    |   467 |   377 |      11 |      38 |   3 |     7 |
| Functional tests     |   442 |   321 |      50 |      71 |   1 |     2 |
| Unit tests           |   760 |   599 |      37 |      64 |   1 |     7 |
+----------------------+-------+-------+---------+---------+-----+-------+
| Total                |  9201 |  7260 |     205 |     756 |   3 |     7 |
+----------------------+-------+-------+---------+---------+-----+-------+
  Code LOC: 5963     Test LOC: 1297     Code to Test Ratio: 1:0.2

Lovd By Less

+----------------------+-------+-------+---------+---------+-----+-------+
| Name                 | Lines |   LOC | Classes | Methods | M/C | LOC/M |
+----------------------+-------+-------+---------+---------+-----+-------+
| Controllers          |   811 |   617 |      13 |      69 |   5 |     6 |
| Helpers              |   278 |   224 |       0 |      27 |   0 |     6 |
| Models               |   640 |   351 |      10 |      49 |   4 |     5 |
| Libraries            |   154 |   108 |       2 |      14 |   7 |     5 |
| Integration tests    |    50 |    36 |       1 |       3 |   3 |    10 |
| Functional tests     |  1162 |   948 |      11 |      27 |   2 |    33 |
| Unit tests           |   609 |   402 |      12 |      20 |   1 |    18 |
+----------------------+-------+-------+---------+---------+-----+-------+
| Total                |  3704 |  2686 |      49 |     209 |   4 |    10 |
+----------------------+-------+-------+---------+---------+-----+-------+
  Code LOC: 1300     Test LOC: 1386     Code to Test Ratio: 1:1.1

报名吧 的主要前端功能已经到位,开始BETA测试了。我刚才清空了所有内测数据,以后如无意外就不再清数据了。

接下来要做的是参会时确认的功能。对于OpenParty 这样的活动以及大部分类似的活动,确认参会的功能是不需要的,不过Michael Chen认为做出来会更酷,呵呵。

“报名吧”友情测试

March 24th, 2008

再创新纪录……做出一个可以邀请内测的网站只需要两天了……

报名吧 是一个专门用于各种会议、沙龙、聚会报名的网站。使用很简单:注册一个用户,创建一个活动,把报名表单mashup到自己的网站上,看到活动宣传的人就可以报名了。活动的拥有者可以查看报名详单。目前还很难看,更漂亮和方便的报表界面将后续提供。

警告:在4月30日以前的一切测试数据都有可能被不加提示地删除,责任自负。

Oracle AppsLab Blog
"Mix is Live"
http://tinyurl.com/2hcp8p
An announcement of the Mix application we built in partnership with Oracle. In case you had forgotten, we have a logo/link at the bottom of every page of the application -- there for Oracle's 300,000 customers to see. By the end of the recent Oracle OpenWorld conference, the Mix had over 1,500 signups.

Oracle AppsLab Blog
"Let's Mix"
http://tinyurl.com/26fal3
The Mix application built in less than 5 weeks "with the help of the wonderful people at ThoughtWorks." Mike Royle, Toby Tripp, Matthew Wastrodowski and Sid Pinney were all part of this relationship.

InfoQ
Oracle Mix: First large JRuby on Rails app online
http://tinyurl.com/yqjzqb
ThoughtWorks, JRuby and Ola mentioned in excerpts

Oracle AppsLab Blog
Mix, JRuby on Rails, Small Teams, Agile, and it’s Effects on the World
http://tinyurl.com/26fg5p
A good post about JRuby and its role in the Mix development. Ola Bini and ThoughtWorks are mentioned.

InfoQ对iTechTag 的团队——实际上也就是Iceskysl和我俩人做了个采访:技能云:两人两周的Web 2.0网站

因为Ruby on Rails的出现,借用互联网创业的人越来越多,虽然不能说全是RoR的功劳,但至少说明技术门槛的降低加速了互联网的发展。从前从一个点子的产生到实现可能要耗费少则几个月,多则几年的时间,而现在几天或者几周就可以看到原型。

但Web 2.0网站的成功之处很大程度上在于创意的新颖与否。根据熊节的介绍,“释放程序员声望的价值”这一理念已经被人提出了好久,但却没有人借助于网络实现。正是抓住这一点,才有了技能云这个“创意+技术”的结合产物。虽然我们不能预测这样的网站前景如何,但事实证明它们确实有效:在不到两个月的时间内,已经有107个用户提交了51个项目,标识了77个技能。

iTechTag 于我,是一个真正好玩的“玩意”。把自己想到的东西做出来,才真够有意思。这就是Web2.0的力量,这就是Ruby on Rails的力量。