Merry Christmas to teachers! - 未名空间MITBBS历史存档

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Merry Christmas to teachers!

Merry Christmas to teachers!# Education - 教育学

j*y2010-12-25 08:12

1 楼

还按老规矩?
呵呵

f*y2010-12-25 08:12

2 楼

since there are containers like vector, we can allocate memories at run time
much easier and do not need
to worry about the memory leak. It seems to me the "new","alloc" operators
are no longer necessary in
C++. At least, the programmers do not need to handle them directly at all. But
why they are still there?

r*z2010-12-25 08:12

3 楼

keywords: Doostang, SPG

y*r2010-12-25 08:12

4 楼

现在和导师相处不是很愉快，尽管我很想完成博士学位，不过没有钱，我也只有找工作
了，下面是我读书的课程，可惜没有什么设计课程，而且偏向于道路分析和固体力学方
向，更不知道该向什么方向努力了。
" CE431 Pavement Design and Analysis I
" CE802 Introduction Dynamics/Earthquake Engineering
" CE804 Mechanics for Infrastructure
" CE810 Reliability - Based Design
" CE813 Soil Dynamics
" CE815 Slope Stability & Stabilized Technology
" CE831 Advanced Concrete Pavement Analysis & Design
" CE832 Advanced Asphalt Pavements
" ECE863 Analysis of

s*n2010-12-25 08:12

5 楼

Merry Christmas!!!

d*o2010-12-25 08:12

6 楼

新规矩是啥
咱好做心理准备

【在 j**y 的大作中提到】

: 还按老规矩?
: 呵呵

p*o2010-12-25 08:12

7 楼

vector is a library, new is a language feature, how can you
implement vector without new?
Anyway I agree with you that in many cases, new should not be
used directly nowadays.

time

【在 f******y 的大作中提到】

: since there are containers like vector, we can allocate memories at run time
: much easier and do not need
: to worry about the memory leak. It seems to me the "new","alloc" operators
: are no longer necessary in
: C++. At least, the programmers do not need to handle them directly at all. But
: why they are still there?

h*r2010-12-25 08:12

8 楼

如果你去industry,很多东西是工作中学的。你这种背景，去做site development or
transportation engineering (like roadway design)都行。并且你还有AutoCAD背景
。我都是工作后自学的AutoCAD。

【在 y******r 的大作中提到】

: 现在和导师相处不是很愉快，尽管我很想完成博士学位，不过没有钱，我也只有找工作
: 了，下面是我读书的课程，可惜没有什么设计课程，而且偏向于道路分析和固体力学方
: 向，更不知道该向什么方向努力了。
: " CE431 Pavement Design and Analysis I
: " CE802 Introduction Dynamics/Earthquake Engineering
: " CE804 Mechanics for Infrastructure
: " CE810 Reliability - Based Design
: " CE813 Soil Dynamics
: " CE815 Slope Stability & Stabilized Technology
: " CE831 Advanced Concrete Pavement Analysis & Design

L*k2010-12-25 08:12

9 楼

happy holidays!

【在 s*******n 的大作中提到】

: Merry Christmas!!!

j*y2010-12-25 08:12

10 楼

新规矩就是没有规矩
哈哈哈哈哈哈哈哈哈

【在 d***o 的大作中提到】

: 新规矩是啥
: 咱好做心理准备

E*72010-12-25 08:12

11 楼

For objects that use dynamic memory, new operation must be performed in the constructor to allocate the memory. An object used in containers such as vector must have a constructor either written by the programmer to initialize it or a default constructor generated by the compiler by default. If your program always deals built-in type such as integer in vector where the constructor of int generated by the compiler by default always does its job, you need not worry about dynamic allocation at

y*r2010-12-25 08:12

12 楼

大家帮忙呀
我还不知道该怎么办呀
谢谢

【在 y******r 的大作中提到】