两年前的真题库是不是太旧了？ - 未名空间MITBBS历史存档

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两年前的真题库是不是太旧了？

两年前的真题库是不是太旧了？# Database - 数据库

x*b2012-10-17 07:10

1 楼

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B*92012-10-17 07:10

2 楼

a stick of length 1 is cut twice randomly(uniform distribution), probability
that 3 segments can form a triangle?
x,y, 1-x-y
x+y>1-x-y ==> x+y>1/2
1-x-y+x>y ==> y<1/2
1-x-y+y>x ==> x<1/2
这样在x,y平面上求面积是1/8
答案给的是1/4
我是不是少考虑了什么情况？

p*e2012-10-17 07:10

3 楼

☆─────────────────────────────────────☆
Jobman (剑狼) 于 (Sat Apr 17 23:00:06 2010, 美东) 提到:
我们都没见过
☆─────────────────────────────────────☆
pure (小纯) 于 (Sat Apr 17 23:00:42 2010, 美东) 提到:
少起哄

☆─────────────────────────────────────☆
Jobman (剑狼) 于 (Sat Apr 17 23:01:12 2010, 美东) 提到:
我心狠诚的
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churchance (橙子.痴) 于 (Sat Apr 17 23:02:26 2010, 美东) 提到:
是啊，不然不利于吸引人气。
☆─────────────────────────────────────☆
musiclOa (知心哥) 于 (Sat Apr 17 23:02:58 2010,

l*o2012-10-17 07:10

4 楼

发信人: luobo (菠萝), 信区: SanFrancisco
标题: 哪位大侠推荐一款比较好的
发信站: BBS 未名空间站 (Fri Jul 22 21:09:26 2011, 美东)
contact form和site search box的html或javascript代码？谢谢！

s*m2012-10-17 07:10

5 楼

有人有433的真题库，可是那是两年前的了，是不是太旧了？这两年里考试题会逐渐淘
汰更新吗？如果是，淘宝上的会比较新吗？
谢谢

b*g2012-10-17 07:10

6 楼

值域面积不是1 是1/2？

probability

【在 B*****9 的大作中提到】

: a stick of length 1 is cut twice randomly(uniform distribution), probability
: that 3 segments can form a triangle?
: x,y, 1-x-y
: x+y>1-x-y ==> x+y>1/2
: 1-x-y+x>y ==> y<1/2
: 1-x-y+y>x ==> x<1/2
: 这样在x,y平面上求面积是1/8
: 答案给的是1/4
: 我是不是少考虑了什么情况？

l*o2012-10-17 07:10

7 楼

看到一个popular的站内搜索的代码，如下：

"margin: 0pt; padding: 0pt;">

"display: inline;">

s*o2012-10-17 07:10

8 楼

这种问题不宜在论坛上讨论，自己去GOOGLE吧

【在 s**m 的大作中提到】

: 有人有433的真题库，可是那是两年前的了，是不是太旧了？这两年里考试题会逐渐淘
: 汰更新吗？如果是，淘宝上的会比较新吗？
: 谢谢

F*e2012-10-17 07:10

9 楼

nod
全集是1>x>0,1>y>0,x+y<1 S=1/2
1/8 除以 1/2 = 1/4

【在 b*****g 的大作中提到】

: 值域面积不是1 是1/2？
:
: probability

s*y2012-10-17 07:10

10 楼

说得直一点，你这好像没学会走就要跑了，除非是工作急用，否则按部就班的来，把基
础打好，你的问题不是这么问的

h*02012-10-17 07:10

11 楼

你的x,y不是独立同分布的。

probability

【在 B*****9 的大作中提到】

d*g2012-10-17 07:10

12 楼

打回去学基本功，你这问题让人无语
目前比较流行的form样式/配色是uni-form，模仿Apple那种gay气十足的样子。不是什
么业界标准，但是流行，用的人也很多

【在 l***o 的大作中提到】

: 发信人: luobo (菠萝), 信区: SanFrancisco
: 标题: 哪位大侠推荐一款比较好的
: 发信站: BBS 未名空间站 (Fri Jul 22 21:09:26 2011, 美东)
: contact form和site search box的html或javascript代码？谢谢！

l*o2012-10-17 07:10

13 楼

It is of course not work-related. Sorry my specialty is not website design. Just build a personal commercial website myself. The website should be more practical than fancy. I don't have to be a specialist to do this.
I have solved this problem with online help yesterday. It seems the script should be used with jsSiteSearch.js to work, and one needs to modify jsSiteSearch.js for the domain information. I have done so and it works fine.
That's just what I want. It's really simple indeed if you know it, but can be complicated if you don't.

【在 d********g 的大作中提到】

: 打回去学基本功，你这问题让人无语
: 目前比较流行的form样式/配色是uni-form，模仿Apple那种gay气十足的样子。不是什
: 么业界标准，但是流行，用的人也很多

d*g2012-10-17 07:10

14 楼

你真的明白自己在说什么吗？

"margin: 0pt; padding: 0pt;">

"display: inline;">

l*o2012-10-17 07:10

15 楼

I do not disagree that I am a layman web programmer and may not know what really happens out there, but I do succeed in building my own commercial website. After finishing up with a search tool and a contact form with security code to prevent scam messages, I finally launched and published my website today. It took me only a week, including domain application and website design (e.g. site logo design, more than 20 button and background pictures, web head design, a lot of format and style settings, as well as some text descriptions) without any help from any commercial web generators or page builders but by pure scripting. The website has been tested and seems to work fine in several different browsers. For me, that is a doing-while-learning process.
Although I don't know in-depth what those advanced functions really do
inside, but I do know their functions and what parameters they take to work properly. There are so many scripts out there in public domain, you just take them and use them for your sake.
Do I have to be an expert to build a website? Maybe if I want to build a really professional website, but for most people, too often that is not necessary, particularly so in view of the fact that there are more and more professional and commercial web building software packages already out there or emerging. (I personally hate to spend money on that :=).
Thanks for the explanation anyway. You are an expert in Web Building, as I am in aerospace. I think you should be one of the guys who are working in Serif Webplus or likewise.
Cheers and have a nice day!

style=

【在 d********g 的大作中提到】

: 你真的明白自己在说什么吗？
:

: "margin: 0pt; padding: 0pt;">

: "display: inline;">

r*y2012-10-17 07:10

16 楼

写长贴的时间可以拿来学会不少东西了。。。

really happens out there, but I do succeed in building my own commercial
website. After finishing up with a search tool and a contact form with
security code to prevent scam me
work properly. There are so many scripts out there in public domain, you
just take them and use them for your sake.
really professional website, but for most people, too often that is not
necessary, particularly so in view of the fact that there are more and more
professional and commercial
I am in aerospace. I think you should be one of the guys who are working in
Serif Webplus or likewise.

【在 l***o 的大作中提到】

: I do not disagree that I am a layman web programmer and may not know what really happens out there, but I do succeed in building my own commercial website. After finishing up with a search tool and a contact form with security code to prevent scam messages, I finally launched and published my website today. It took me only a week, including domain application and website design (e.g. site logo design, more than 20 button and background pictures, web head design, a lot of format and style settings, as well as some text descriptions) without any help from any commercial web generators or page builders but by pure scripting. The website has been tested and seems to work fine in several different browsers. For me, that is a doing-while-learning process.
: Although I don't know in-depth what those advanced functions really do
: inside, but I do know their functions and what parameters they take to work properly. There are so many scripts out there in public domain, you just take them and use them for your sake.
: Do I have to be an expert to build a website? Maybe if I want to build a really professional website, but for most people, too often that is not necessary, particularly so in view of the fact that there are more and more professional and commercial web building software packages already out there or emerging. (I personally hate to spend money on that :=).
: Thanks for the explanation anyway. You are an expert in Web Building, as I am in aerospace. I think you should be one of the guys who are working in Serif Webplus or likewise.
: Cheers and have a nice day!
:
: style=

l*o2012-10-17 07:10

17 楼

Hehe. My site is an engineering technical services website, so it doesn't have to be dynamic everywhere. I am also going to make another site for e-commerce (selling goods), that may be a little bit more challenging. However, the good thing is, you can easily get the code for many websites just by saving and opening it in any professional text editors. Some free text editors are really good, like Komodo Edit 6, etc. They can do real-time grammar checking. And modifying the code, debugging it and checking the effect of your modification and testing is also easy and convenient since everyone has IE or firefox installed on his/her computer. Of course, you should be careful to make the changes significantly enough so the effects are different enough so nobody can say you are copying their design. or you can copy only one component from each site and do an assembling :0)
After my saying this, you should know why many web designers do not make that much, unless they are really good at very high end, for example, working at the core department of google, amazon or facebook. Hehe :-)

【在 r****y 的大作中提到】

: 写长贴的时间可以拿来学会不少东西了。。。
:
: really happens out there, but I do succeed in building my own commercial
: website. After finishing up with a search tool and a contact form with
: security code to prevent scam me
: work properly. There are so many scripts out there in public domain, you
: just take them and use them for your sake.
: really professional website, but for most people, too often that is not
: necessary, particularly so in view of the fact that there are more and more
: professional and commercial