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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 do I get the directory that a program is running from?
...
How about add char pBuf[256]; size_t len = sizeof(pBuf); to let the solution more clearly.
– charles.cc.hsu
Oct 5 '16 at 13:22
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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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Fast permutation -> number -> permutation mapping algorithms
..., unfortunately.
int n = 5;
int[] sequence = new int[] { 1, 2, 0, 1, 0 };
char[] list = new char[] { 'a', 'b', 'c', 'd', 'e' };
char[] permuted = new char[n];
bool[] set = new bool[n];
for (int i = 0; i < n; i++)
{
int s = sequence[i];
int remainingPosition = 0;
int index;
// F...
How do I use valgrind to find memory leaks?
...ok at the C code I wrote too:
#include <stdlib.h>
int main() {
char* string = malloc(5 * sizeof(char)); //LEAK: not freed!
return 0;
}
Well, there were 5 bytes lost. How did it happen? The error report just says
main and malloc. In a larger program, that would be seriously trouble...
Parameterize an SQL IN clause
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Here's a quick-and-dirty technique I have used:
SELECT * FROM Tags
WHERE '|ruby|rails|scruffy|rubyonrails|'
LIKE '%|' + Name + '|%'
So here's the C# code:
string[] tags = new string[] { "ruby", "rails", "scruffy", "rubyonrails" };
const string cmdText = "select * from t...
Command-line Unix ASCII-based charting / plotting tool
Is there a good command-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph.
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alternatives to REPLACE on a text or ntext datatype
...g SQL Server 2005/2008, you can use the following code (taken from here):
select cast(replace(cast(myntext as nvarchar(max)),'find','replace') as ntext)
from myntexttable
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Is there a limit to the length of a GET request? [duplicate]
... as there is no specified limit in the RFC. It'd be safe to use up to 2000 characters (IE's limit.) If you are anywhere near this length, you should make sure you really need URIs that long, maybe an alternative design could get around that.
URIs should be readable, even when used to send data.
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UINavigationBar custom back button without title
...se that you have a navigation controller going to ViewA from ViewB. In IB, select ViewA's navigation bar, you should see these options: Title, Prompt and Back Button.
ViewA navigate bar options
The trick is choose your destiny view controller back button title (ViewB) in the options of previous ...