b***k
发帖数: 1661 | 1 up
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
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(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');... 阅读全帖 |
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b***k
发帖数: 1661 | 2 up
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');... 阅读全帖 |
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b***k
发帖数: 1661 | 3 up
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
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(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');... 阅读全帖 |
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b***k
发帖数: 1661 | 4 up
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');... 阅读全帖 |
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s***i
发帖数: 603 | 5 二手交易风险自负！请自行验证是否合法和一手卡！:
我想卖的物品:
US Airway [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
, AA [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagNam... 阅读全帖 |
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t**0
发帖数: 1991 | 6 我想要的物品:
AA [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
, 需要gold或以上账户
单张面值:
[email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b... 阅读全帖 |
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y*****e
发帖数: 567 | 7 二手交易风险自负！请自行验证是否合法和一手卡！:
我想卖的物品:
110k AA [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
单张面值:
110k AA [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsB... 阅读全帖 |
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y*****e
发帖数: 567 | 8 二手交易风险自负！请自行验证是否合法和一手卡！:
我想卖的物品:
110k AA [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
单张面值:
110k AA [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsB... 阅读全帖 |
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r*******1
发帖数: 2894 | 9 725刀[email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
250刀[email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibl... 阅读全帖 |
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s***n
发帖数: 9499 | 10 【6666高信誉出售】
-------
Toysrus GC $[email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
, $100面额实体卡,Please take all $800
-------
Sears GC $850, 其中$[email protected]
(function(){try{var s... 阅读全帖 |
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g***h
发帖数: 3246 | 11 我想要的物品:
Kohls [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
, Kohls [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1... 阅读全帖 |
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s****t
发帖数: 31579 | 12 交易评价
http://www.mitbbs.com/article_t0/FleaMarket/34071819.html
http://www.mitbbs.com/article_t/FleaMarket/34055015.html
http://www.mitbbs.com/article_t/FleaMarket/33523361.html
我想要的物品:
Citi ThankYou [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTe... 阅读全帖 |
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h****n
发帖数: 4960 | 13
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){... 阅读全帖 |
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l******x
发帖数: 236 | 14 二手交易风险自负！请自行验证是否合法和一手卡！:
我想卖的物品:
2x$500 [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
;
$700 [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName... 阅读全帖 |
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D***y
发帖数: 693 | 15 手交易风险自负！请自行验证是否合法和一手卡！:
Y
我想卖的物品:
home depot $[email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
Lowes $[email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElement... 阅读全帖 |
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a****l
发帖数: 245 | 16 There is a platform with embeded c++ compiler, it implements all the
function except static function, design a Singleton without using static
member variable or static function.
有什么好方法？ |
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a*d
发帖数: 47 | 17 The complexity of computing hash function is also a key factor, because it
is very common for hash function to be called inside a loop.
MD5 is good in terms of collision rate, but it is expensive to compute.
There is no cure-all hash functions for all applications. Many factors need
to be considered for real application.
上有 |
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k****5
发帖数: 546 | 18 function pointer is just the memory address of the function image in code
section. Once loaded in memory, it is not changed.
there can be more than one instance of one function on the stack, either
direct or indirect recursion.
Allocate some heap and stack variables, check their addresses to get the
idea of memory layout of heap&stack.
class is about data layout, not about stack.
check any compiler book about runtime structure etc. |
|
t*****e
发帖数: 2206 | 19 If a federal spending impasse is not resolved, some immigration functions
could be suspended or slowed.
Some U.S. immigration operations could be suspended or delayed if the House
and Senate are unable to pass a spending bill to avert a federal shutdown
after September 30. Government departments have not yet announced concrete
plans for a closure, but employers and foreign nationals should be prepared
for delays in immigration services if a spending agreement is not reached.
Immigration function... 阅读全帖 |
|
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X*****r
发帖数: 2521 | 21 【 以下文字转载自 EE 讨论区 】
发信人: Xfilter (支持南开的兄弟们), 信区: EE
标 题: 请问有那种optimization是解决变化的objective function的？
发信站: BBS 未名空间站 (Mon Jan 21 19:32:06 2008), 站内
发信人: Xfilter (支持南开的兄弟们), 信区: Mathematics
标 题: 请问有那种optimization是解决变化的objective function的？
发信站: BBS 未名空间站 (Mon Jan 21 19:31:57 2008), 转信
就是objective function是time varying的
有没有那种optimization或者其他的数学model是deal这种time varying objective fu
nction的？
多谢多谢！ |
|
f***e
发帖数: 17 | 22 我要计算两点间距离，需要用到built-in function POWER and SQRT,
下面的code 该如何调用这些函数修改？
create or replace type Point as object(
X float,
Y float
);
/
create or replace type Line as object(
SP point,
EP point,
member function length return FLOAT, /* get line length */
pragma restrict_references(length,WNDS,WNPS)
);
/
create or replace type body Line as
member function length return FLOAT is
dx float; -- x direction distance square
dy float; -- y direction distance squa |
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n********6
发帖数: 1511 | 23 I did not do some research in this field. Just try to guess without logical
thinking.
- Caused by the new installed Access(probably another version and do not
have data function)
- Caused by the user defined function, Date, which is missing after the new
installation of Access
- Caused by any service component to call the function?
- Caused by user priviledge (If Access provides role based access control)?
- Do you have the complete backup of the old version? Try to reinstallthe
old version to s |
|
a*******t
发帖数: 891 | 24 database level query
select *
from sys.sysobjects
where xtype = 'p' or xtype = 'tf'
and here is the xtype info from BOL
xtype
char(2)
Object type. Can be one of the following object types:
C = CHECK constraint
D = Default or DEFAULT constraint
F = FOREIGN KEY constraint
L = Log
FN = Scalar function
IF = In-lined table-function
P = Stored procedure
PK = PRIMARY KEY constraint (type is K)
RF = Replication filter stored procedure
S = System table
TF = Table function
TR = Trigger
U = User table
UQ = |
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n*****r
发帖数: 1087 | 25 想求解的东西已经用笨办法做出来了，现在想问问有没有什么简洁的办法，我想应该有。
问题：我要把column A的时间归类到A B C中，B 和 C 都有 subsets, 每个subset下面
还有subsets,然后总共有column E中的十几个case，根据每个自己的公式求解。
试过的笨办法：就是加了十几个column，用if function把column A的date归类到A B C
中，就是说加3个column for case A B C，return 一个 “Yes" 和 两个 "No“ 到这
三个column中；以此类推，比如return Yes到 case B, case B旁边再加2个column for
case 1 2,然后再reurn”Yes" "No"到这两个column；在case 1 2下面各自再加3 个
column for case x y z,最后在其中的一个case里用公式求解。
这个笨办法导致的问题是：由于row数额接近一万，再添加十几个column，无形中增加
了很多cells。还有就是别人看起来不直观。所以想弄个table，这样子只需要加两... 阅读全帖 |
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b**********r
发帖数: 1 | 26 Hi, guys,
I am new to C#.
but in C++, there are a lot of function of function usage, how is done in C#?
for example:
double f(double a);
double g(double a);
typedef double (* ptr_func)(double a);
double func_integrator( ptr_func ptr1, double x0, double x1, double
precision);
this should be a very common use, is it still possible in C#? |
|
g*****g
发帖数: 34805 | 27 There is no function pointer in Java, your asking for the # makes me
even confused, if you just want to have the functionality of function
pointer such as callbak, use interface. |
|
h******3
发帖数: 351 | 28 hash function is important in implementing hash table. I know that in java
Object has its hash code, which might be generated from weak hash function.
Following is one snippet that is "supplement hash function"
static int hash(Object x) {
int h = x.hashCode();
h += ~(h << 9);
h ^= (h >>> 14);
h += (h << 4);
h ^= (h >>> 10);
return h;
}
Can anybody help to explain what is the fundamental idea of a hash algorithm
? to generate non-duplicate |
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X****r
发帖数: 3557 | 29 I don't think you can overload operator + as a static member.
Quote:
13.5.2 Binary operators [over.binary]
1 A binary operator shall be implemented either by a non-static member
function (_class.mfct_) with one parameter or by a non-member function
with two parameters. Thus, for any binary operator @, x@y can be
interpreted as either x.operator@(y) or operator@(x,y). If both forms
of the operator function have been declared, the rul |
|
J*****n
发帖数: 48 | 30 I need to let function A be an argument for function B,
but function A has two forms (override), how can I
include the two types as a general form of A in argument of B?
for example
float A(int);
float A(int, double);
I want
float B((*A)(?),other arguments)
how do I substitute content denoted by "?" |
|
h****e
发帖数: 2125 | 31 similarly, many things can be made a function. for example,
a large func goes through a small block A, and another small block b is used
by some other funcs. a and b share about 60% logic, r u gonna make a function
including both case a and b or not? u know, even totally different logic can
be in one function as well, just use a if/switch branch... |
|
h****e
发帖数: 2125 | 32 similarly, many things can be made a function. for example,
a large func goes through a small block A, and another small block b is used
by some other funcs. a and b share about 60% logic, r u gonna make a function
including both case a and b or not? u know, even totally different logic can
be in one function as well, just use a if/switch branch... |
|
c*****e
发帖数: 34 | 33 一个class,没有member variable,只有static member function.
我发现这些static member function 可以用来改变global variable的值.打个比方:
int main() {
int m=0;
classname::function1(m);
}
这个 function1 可以改变m的值,虽然不是pass by reference.我觉得比较奇怪,是不是
static member function就有这种用法?
谢谢大家! |
|
j****g
发帖数: 597 | 34 An interview question.
First he asked what is a const function. I said it's a function that doesn't
change a variable's value.
Then he asked what if you want to change that value in the const function? I
said use mutable. He told me there's other way.
Any idea what is the other way? ? |
|
c*********n
发帖数: 128 | 35 Does this function have memory problem?
void pushSomthingIntoVector(vector & v) { //T is a class
v.assign(0, T(100)) //T(int a) is a constructor of class T
v.push_back(T(50))
}
void anotherFunction() {
vector v;
pushSomethingIntoVector(v);
cout << v[0] << endl;
cout << v[1] << endl;
}
T(100) and T(50) are created locally within the function
pushSomthingIntoVector(vector & v), does it exsit outside of the function
? say, in the two lines of "cout" ?
Should I change the code as follows: |
|
e******r
发帖数: 220 | 36
这个CALLBACK到底指的是call什么东西back?
每次就见pass 进去一个function pointer, 然后在操作中的某一步用到这个function pointer.
的f
多态
质上 |
|
h**o
发帖数: 548 | 37 forget about the function. Please think it as strings.
What I want is to count how many times each function name appear in this
file. While the size of the file is too large, I cannot count it with my
eyes and therefore want to write some shell. But I am a beginner of unix
shell. so I want to get some answers or hints here.
BTW, the format of the functions in this file is sth. like:
ADDR BUFADDR TIMESTAMP THREAD
CACHE LA |
|
h**o
发帖数: 548 | 38 But I do not know what function appear in this files.
I only know there are some format which I can use to parse the names of
these function (see the attachment in the previous response)
I think I can first use grep to parse these function name, then count them
using for, sort,etc.
But I do not know how to grep them. |
|
i***h
发帖数: 12655 | 39 So you don't have a list of all possible functions?
In that case, you'll need to know in what format the function names appeared
in the log file and find them using regex (I probably would do with Perl,
using hash to store the count of the appearances of each function). |
|
K****n
发帖数: 5970 | 40 Add more interface functions?
发信人: FrLeafClover (4LeafClover), 信区: Programming
标 题: Re: C++: friend function
发信站: BBS 未名空间站 (Wed Aug 27 17:41:17 2008)
hmm...if you really want to keep your private member function private...
unless declare friend class, what else can you do to by pass it? |
|
F**********r
发帖数: 237 | 41 Let's say I have a private member function ChangeMyDataMember which operates
my private data using a certain algorithm. And in general I don't want to
expose this function to either derived class or public. However there is a
class that I would like to expose this member function to(which would be a
friend class)...I assume Friend is the only way out? |
|
y******e
发帖数: 203 | 42 friend function is not necessarily needed.
for operator overloading, you can provide some getter functions, right?
I think friend function is only provided for convenience. |
|
b***y
发帖数: 2799 | 43 ☆─────────────────────────────────────☆
TonnyZB (Hallo) 于 (Mon Aug 29 23:26:46 2005) 提到:
I am calling a function of random_number_generator (MT19937) written in C. In
that .c file, the
function is delcared as:
inline unsigned long randomMT(void){
....
}
in my C++ class where I called this function, I declared it as:
extern inline unsigned long randomMT(void);
In the makefile, I also included this .c file. The compilation is OK, but during the linking, it always reported the following
error |
|
s******n
发帖数: 21 | 44 Interesting... Here is how the standard has to say :
"An inline function with external linkage shall have the same address in
all translation units. A static local variable in an extern inline function
always refers to the same object...."
The wording mentions "extern" specially, Is this international? If the
inline function is not declared extern, is the behavior undefined?
stati
的c |
|
t****t
发帖数: 6806 | 45 interesting indeed
i didn't notice the "extern inline" used here, I thought it should be
something like "external" inline, i.e. inline function with external linkage
, in other words, inline function not declared static or in unnamed
namespace
but who knows
just checked N2798, the wording is exactly the same
function |
|
w***g
发帖数: 5958 | 46 functional programming不能解决multi-core的问题。如果不涉及I/O，C/C++也有无si
de effect的子集；涉及到I/O，functional programming也无法避免side effect。fun
ctional programming的春天来了只是不真正了解functional programming的人的美好的
愿望。 |
|
t****t
发帖数: 6806 | 47 pointer to function里不准带default parameter [8.3.6]
void g(double (*f)(const double&, const double&));
f的参数个数未知, g当然不能写, 除非你用template
但是即使你用了template, 拿到了(未知参数个数/类型)的function pointer f, 你打
算怎么调用它呢? |
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t****t
发帖数: 6806 | 48 the extra parameters of f() is for f() only, right? you encapsulate the
extra parameters WITH function pointer f, and make it an object. the object
may inherit from a common type and g() call f() through virtual functions;
or the object could be unrelated and templated g() call f() through a common
generic interface. |
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y***d
发帖数: 2330 | 49 if one people uses this function, he uses it to ask "if one people uses this
function, what does he try to do."
the job of this function is to be in a question |
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t****t
发帖数: 6806 | 50 1. in c++, return type is a part of function signature. constness is a part
of type. however you can not overload 2 function with only different return
type, whether it is constness difference or other difference.
2. namespace is a part of name. if two "same" symbol are declared in
different namespace, they are different. however you can refer to symbols in
other namespace, where name lookup algorithm kicks in.
value and/or arguments part of the function signature?
other |
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