the popularity of programming languages：
提醒自己：
1、2004-5，java让出no：1的位置。c语言在本月（2005-1）仍然是最受关注的语言。
2、在java/c++大幅下挫时，python/peal大幅上扬。反动明显。
3、php获得2004年程序语言奖。
4、动态语言开始受到关注。
5、c＃仍然在蓄势？鸡肋？
6、前20名语言的排行榜：
| position | (position) | programming language | ratings | (ratings) | status |
|---|---|---|---|---|---|
| 1 |  |
c | 20.709% | +2.11% | a |
| 2 |  |
java | 17.478% | -6.09% | a |
| 3 |  |
c++ | 11.927% | -4.16% | a |
| 4 | |
php | 9.482% | +3.17% | a |
| 5 | |
(visual) basic | 7.928% | -0.62% | a |
| 6 | |
perl | 7.461% | -2.14% | a |
| 7 | |
sql | 3.314% | +0.22% | a |
| 8 | |
python | 2.842% | +1.72% | a |
| 9 | |
delphi/kylix | 2.572% | +1.77% | a |
| 10 | |
c# | 2.203% | +0.40% | a |
| 11 | |
javascript | 1.703% | -0.04% | a |
| 12 | |
sas | 1.412% | +0.63% | a |
| 13 | |
cobol | 1.068% | +0.31% | a |
| 14 | |
abap | 0.736% | +0.50% | a- |
| 15 | |
idl | 0.726% | +0.31% | a- |
| 16 | |
pascal | 0.641% | +0.04% | b |
| 17 | |
lisp | 0.618% | +0.12% | b |
| 18 | |
fortran | 0.523% | -0.02% | b |
| 19 | |
ada | 0.493% | -0.04% | b |
| 20 | |
rpg | 0.429% | +0.09% | b |
