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INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
...始行列
BH = 页号
AL = 0，BL = 属性
串：Char，char，……，char
AL = 1，BL = 属性
串：Char，char，……，char
AL = 2
串：Char，attr，……，char，attr
AL = 3
串：Char，attr，……，char...
How to know what the 'errno' means?
... threads. MT, in MT-Safe, stands for Multi Thread. -p26, The GNU C Library char * strerror(int errnum ) [Function] Preliminary: | MT-Unsafe race:strerror | AS-Unsafe heap i18n | AC-Unsafe mem | See Section 1.2.2.1 [POSIX Safety Concepts], page 2. -p58, The GNU C Library
– user...
How to use the same C++ code for Android and iOS?
...laration that receives the desired text:
#include <iostream>
const char *concatenateMyStringWithCppString(const char *myString);
And the CPP implementation:
#include <string.h>
#include "Core.h"
const char *CPP_BASE_STRING = "cpp says hello to %s";
const char *concatenateMyStringW...
C++ SFINAE examples?
...here):
template<typename T>
class IsClassT {
private:
typedef char One;
typedef struct { char a[2]; } Two;
template<typename C> static One test(int C::*);
// Will be chosen if T is anything except a class.
template<typename C> static Two test(...);
public:
...
How to get the type of a variable in MATLAB?
...gt; a = 'Hi'
a =
Hi
>> class(b)
ans =
double
>> class(a)
ans =
char
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Finding all possible permutations of a given string in python
...nt to generate all permutations from that string, by changing the order of characters in it. For example, say:
24 Answers
...
C++ : why bool is 8 bits long?
... address of an object. The object doesn't have to store its own address. A char is typically 8 bits wide, enough to store any of 256 characters, but each char also has an address defined by where in memory it is located. That is why you can create a pointer to a char.
– jalf
...
How do I check if a given string is a legal/valid file name under Windows?
...ression like [a-zA-Z0-9_]+ but it doesn't include many national-specific characters from various languages (e.g. umlauts and so on). What is the best way to do such a check?
...
Regex: match everything but specific pattern
...oo):
Lookahead-based solution for NFAs:
^(?!foo).*$
^(?!foo)
Negated character class based solution for regex engines not supporting lookarounds:
^(([^f].{2}|.[^o].|.{2}[^o]).*|.{0,2})$
^([^f].{2}|.[^o].|.{2}[^o])|^.{0,2}$
a string ending with a specific pattern (say, no world. at the end):...
Find the nth occurrence of substring in a string
... risk here of course is that the string to search for will contain special characters that will cause the regex to do something you didn't want. Using re.escape should solve this.
– Mark Byers
Dec 10 '09 at 21:43
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