melin发表的精彩技术文章
Rails 1.2新特性体验(杂记）
1 Range#to_s(:db)
>> (7.days.ago..1.day.ago).to_s(:db)
=> "BETWEEN '2006-12-11 02:06:50' AND '2006-12-17 02:06:50'"
2 Time Calculations
>> Time.days_in_month(2)
=> 28
>> Time.now.seconds_since_mi ...
by melin 2006-12-21 浏览 (10349) 回复 (11) 关键字:
Rails 1.2新特性体验(Hash，Integer和class)
1 stringify_keys and symbolize_keys
>> { 'days' => 25, 'spirit' => 'giving', 'wallet' => 'empty' }.symbolize_keys
=> {:wallet=>"empty", :spirit=>"giving", :days=>25}
>> { 'system' => 'wii', :valid_a ...
by melin 2006-12-21 浏览 (5052) 回复 (1) 关键字:
推荐一个制作meun css的工具.自带了几十个例子.非常漂亮!
推荐一个制作meun css的工具.自带了几十个例子.非常漂亮!
by melin 2006-12-08 浏览 (10701) 回复 (12) 关键字:
javaScript通用数据类型校验
/**
* 取得字符串的字节长度
*/
function strlen(str)
{
var i;
var len;
len = 0;
for (i=0;i<str.length;i++)
{
if (str.charCodeAt(i)>255) len+=2; else len++;
}
return len;
}
/*
* 判断是 ...
by melin 2006-10-26 浏览 (14468) 回复 (10) 关键字: