// main.c
// C_TEST2////
Created by Vincent_guo on 13-3-26. Copyright (c) 2013 Vincent_guo. All rights reserved.
#include
//function pointer
int sum (int a,int b) {return
a + b;
}
int minus (int a,int b) {return
a-b;
}
(*p) (int,int)
C + + does not allow a complete array to be passed as an argument to a function, but a user can pass a pointer to an array by specifying an array name without an index
If you want to pass a one-dimensional array as an argument in a function, the
In the actual development, sometimes there will be let you do statistics, make statements.
For example, in the Student elective management system allows you to write all the students of each of the results, at this time we write the results of the
All Web developers will love the powerful nature and ease of use of cookies, which have a powerful role in tracking user information, building personalized, personalised web sites, and avoiding the expensive cost of using a database. However,
1. reentrant function
A function is reentrant if it can be safely recursive or called in parallel. To become a reentrant function, the function cannot contain (or use) static (or global) data (to store state information during a function call), nor
Directly in the CPP write #include "c.h" reference to the C header file will be connected when this error occurs: Cpp.obj:error lnk2001:unresolved external symbol "int __cdecl Add (int,int) "([email=?add@ @YAHHH @z]?add@ @YAHHH @z[/email]), the root
Typically, a C + + function pointer refers to a pointer to a function, not a pointer to an object. Just like any other pointer, the function pointer points to a particular type. The function type is determined by its return type and the formal
Study the automatic landing process for Sina Weibo, which involves its cryptographic algorithm script, which has the following form of code:
(function () {...}). Call (name)
Where the red .... is the internal implementation of the function, name
Header procedure freeandnil (var obj); $ [sysutils. PasFunction releases object OBJ and assigns it nullIndicates that an exception is triggered if the object has released resources.Refer to type system. tobjectExample////// Begin freeandnilProcedure
Function quotedstr (const S: string): string; $ [sysutils. Pas
Returns the expression of string s in Pascal.
It indicates that one of the single quotes will be converted into two
See procedure system. insert
Example edit2.text: = quotedstr
A pointer to a function
A function name can be interpreted as "a pointer to a function" in an expression, so, as in the experiment in Listing 2-2, a pointer to a function can be obtained by writing Func.A pointer to a function is essentially a
It's time for a little trial sledgehammer.In the standard library of ANSI C, there is a atexit () function. If you use this function, you can callback a specified function when the program ends normally.The prototype of atexit () is defined as
Memcache's job is to maintain a huge hash table in the memory of a dedicated machine to store some of the arrays and files that are often read and written, thus greatly improving the efficiency of the website and reducing the reading and writing
The scope of a variableTo understand closures, you must first understand the special variable scope of JavaScript.The scope of a variable is nothing more than two kinds: global variables and local variables.The special point of the JavaScript
JS prototype chain details and sample code, js prototype sample code
Preface
On segmentfault, you can see the following question:
var F = function(){};Object.prototype.a = function(){};Function.prototype.b = function(){};var f = new F();
Q: Can I
Memcache's job is to maintain a huge hash table in the memory of a dedicated machine to store some of the arrays and files that are often read and written, thus greatly improving the efficiency of the Web site and reducing the reading and writing
The right-left rule:
Start reading the declaration from the innermost parentheses, go right, and then go left. when you encounter parentheses, the direction shoshould be reversed. once everything in the parentheses has been parsed, jump out of it.
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