pa 3220

#-*-coding:utf-8-*-__author__= ' Magicpwn ' Importosimporttimeimport os.pathimportpprintimportglobpa= ' C:/xml/result/result.xls ' print Os.path.dirname (PA) print ' accesstime access time: ', time.ctime (Os.path.getatime (PA)) print ' Modifiedtime modified: ', time.ctime (Os.path.getmtime (PA)) print ' Changetime creation time: ', Time.ctime (Os.path.getctime (

easy to understand and have a level for better commercial promotion. However, it is easy for enterprises to pass the level. Continuous and step-by-step evaluation are also two different perspectives. With continuous evaluation, enterprises will obtain many levels of PA. with step-by-step evaluation, enterprises will obtain an overall level. People who are not familiar with cmme can learn so much about it first, and then learn about it later. CM

MMU Virtual Memory Management (vmmemory Management) mechanism is widely used in modern operating systems. This requires the support of MMU (Memory Management Unit) in the processor. This section briefly introduces the role of MMU. First, we introduce two concepts: Virtual Address and physical address. If the processor does not have an MMU, or the MMU is not enabled, the memory address sent by the CPU execution unit is directly transferred to the Chip Pin, which is called the physical memory, th

= l_end-> P ){ Temp = l_end-> data * Number + status; Preadd (Num, TEMP % 10 ); Status = temp/10; } Temp = L-> head-> data * Number + status; If (temp> 10 ){ Preadd (Num, TEMP % 10 ); Preadd (Num, temp/10 ); } Else preadd (Num, temp ); // One more time :) Return true; } Inline bool add (const listh la, listh Lb) { // LB = La + lB Nodeh Pa = La-> end, Pb = LB-> end; Int status = 0; For (; pa! = La-> head;

// Create a two-dimensional array using new. There are two methods, which are equivalent.I:INT (* P) [10] = new int [5] [10];II:Int ** P = New * int [5];For (INT I = 0; I P [I] = new int [10];// You can create a pointer array in either of the following ways:I:Char * pA = new char [4];For (INT I = 0; I {Pa [I] = new char [8]; // allocate 8 char Element Spaces for each pointer.}II:Char *

the results, we can conclude that: 1. a is the variable name. 2. The memory address of a is 0x2EF7A0. 3. The value stored in the memory address is 2. Ps: What is the relationship between variable names and variable addresses? In a metaphor: Jiangxi Agricultural University has its own longitude and dimension (115.839315, 28.768197) on the map, and (115.839315, 28.768197) is the address of Jiangxi Agricultural University, however, Jiangxi Agricultural University is named a, and Jiangxi Agricultur

Http://www.cnblogs.com/afarmer/archive/2011/05/05/2038201.htmlI. Basic CONCEPT Analysisint* (*a[5]) (int, char*); # #void (*b[10]) (void (*) ()); # #Double (*) () (*PA) [9]; # # 1. function declarations and array declarations in the C language. The function declaration is generally this: int fun (int, double); the declaration of the corresponding function pointer (pointer to function) is this: Int (*PF) (int, double ); can be used this way:

Http://blog.chinaunix.net/uid-22889411-id-59688.htmlPointer learning in C language:Introductory Introduction:int i=30;//defines an int variable i (two bytes of memory, different systems may not be the same, the two bytes of memory is named I, 30 is converted into binary into the two memory)int *pi;//defines a pointer variable (unlike defining a normal variable, the difference is in what it deposits, and the pointer's content is an address that points to an int variable.) In a four -bit machine,

(*PA) [Ten] = a;Since the value of a and A is the same for an array, it can also be written asint (*PA) [10]=a;//but it's going to get a warning on GCC, so don't write that well.Although the values are the same but the types are different, this is important.So what's the difference between int *pa=a; and int (*PA) [10

Although the C + + programming language is powerful and flexible in application, there are also various errors in the actual programming. Here we will give you a detailed description of the C + + pointer drift solution, I hope this article describes the content can help you solve the problem. We have recently encountered a strange problem in our work, and we finally determined that the C + + pointer drift caused by multiple inheritance is related to the C + + object model. The signal is as foll

Although the C + + programming language is powerful and flexible in application, there are also various errors in the actual programming. Here we will give you a detailed description of the C + + pointer drift solution, I hope this article describes the content can help you solve the problem. We have recently encountered a strange problem in our work, and we finally determined that the C + + pointer drift caused by multiple inheritance is related to the C + + object model. The signal is as foll

. # Include # Include Void my_array_func (char ca []); void my_pointer_func (char * pa); char ga [] = "abcdefghijklmn"; int main () {printf ("ga = % # x \ n", ga); printf ("addr of global array ga = % # x \ n", ga ); // printf (" ( ga) =%# x \ n", ( ga); // (leftmost) it must be printf ("ga c = % c \ n", ga); printf ("ga s = % s \ n", ga ); printf ("addr (ga [0]) (ga [0]) =%# x \ n", (ga [0]); printf ("addr (ga [1]) (ga [1]) = % #

function that overrides the Class A F () function and is overwritten by its subclasses. However, in b* pb= (b*) PA, the statement means converting PA to type B and creating a new pointer pb to copy the PA to PB. But here's one thing to note is that the PA pointer is always unchanged, so PB also points to the F () func

1, in the form of a string, the compiler will automatically add to the end, think, why? The presence of a C language method, such as strlen (s), computes the length of a string, where the s pointer is. Strlen to calculate the length of a string, you must know where the end is, so use the-s to indicate the end. Only the character array has the concept of a/s, and the array of other types (int) does not have this concept. This method is not strlen because of other types of arrays or pointers.So th

this formula?It is known that the three vertices of the triangulated ABC are in the homogeneous coordinates of the clipping space, and the weight Alpha Beta Gamma is set to the PA PB pc, so that the clipping space of each fragment can be aligned in the following coordinates:X=pa*ax+pb*bx+pc*cxY=pa*ay+pb*by+pc*cyZ=pa*a

C pointer (7) pointer operation, (7) pointer operation In the previous articles, we have seen the usage scenarios of pointer operations and used multiple pointer operations for verification. Here we will particularly summarize the essential meaning of pointer operations. In C language, if p, pa, and pb are all pointer types, such operations are called pointer operations: Its essence is 1 .. 2. The number of logical storage units instead of the number

I have learned the memory management unit MMU of S3C2440 over the past few days. I mainly refer to the full manual for Embedded Linux application development. There are two blogs on the Internet, which are also very detailed. However, they are not well understood in the MMU address translation process. Here, I will explain the content in the embedded Linux application development full manual according to my understanding, and add some notes to the image. In case of any errors, please do not give