NSC 485's actual processing time is May 15 - 未名空间MITBBS历史存档

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NSC 485's actual processing time is May 15

NSC 485's actual processing time is May 15# Immigration - 落地生根

U*y2011-10-18 07:10

1 楼

写recursive的程序时, 经常会需要建某个variable或data structure,然后多次用到它
并需要它maintain value between calls. 一般有两种方法可以选择, 一种可以在
recursive的函数里declare它static; 另一种是在函数的wrapper里declare它然后pass by
reference.
一直想知道哪种方法更好,大家有没有什么见解?

s*t2011-10-18 07:10

2 楼

Web posted as 4 months, just called USCIS, was told they are actually
processing cases before May 15. Ft! Thankfully was allowed to do SR for my
LD's case, RD 5/23

l*82011-10-18 07:10

3 楼

pass by reference 好吧
static local variables 看起来不好理解

g*x2011-10-18 07:10

4 楼

it's great to hear! Last time I called is April 16.
Will ask my ld to do SR as well. the same RD.
bless to you guys!

【在 s*******t 的大作中提到】

: Web posted as 4 months, just called USCIS, was told they are actually
: processing cases before May 15. Ft! Thankfully was allowed to do SR for my
: LD's case, RD 5/23

S*w2011-10-18 07:10

5 楼

static？

pass by

【在 U*********y 的大作中提到】

: 写recursive的程序时, 经常会需要建某个variable或data structure,然后多次用到它
: 并需要它maintain value between calls. 一般有两种方法可以选择, 一种可以在
: recursive的函数里declare它static; 另一种是在函数的wrapper里declare它然后pass by
: reference.
: 一直想知道哪种方法更好,大家有没有什么见解?

n*g2011-10-18 07:10

6 楼

看成march了

【在 s*******t 的大作中提到】

: Web posted as 4 months, just called USCIS, was told they are actually
: processing cases before May 15. Ft! Thankfully was allowed to do SR for my
: LD's case, RD 5/23

U*y2011-10-18 07:10

7 楼

有可能,不过如果pass很多reference的话,函数的参数会太多,也会变得不大好理解吧
还有没有其他方面的考量?

【在 l*********8 的大作中提到】

: pass by reference 好吧
: static local variables 看起来不好理解

s*t2011-10-18 07:10

8 楼

Thanks!
bless your ld too!
Hopefully we will be greened before our trip to China on Nov.12. Cross my
fingers.

【在 g****x 的大作中提到】

: it's great to hear! Last time I called is April 16.
: Will ask my ld to do SR as well. the same RD.
: bless to you guys!

l*82011-10-18 07:10

9 楼

pass 三四个reference应该不乱。如果函数的参数实在太多，可以把多个参数合到一
个结构体或者类里面

【在 U*********y 的大作中提到】

: 有可能,不过如果pass很多reference的话,函数的参数会太多,也会变得不大好理解吧
: 还有没有其他方面的考量?