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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...些很难发现的bug。
format的语法格式为：
format (archetype, string-index, first-to-check)
format属性告诉编译器，按照printf, scanf,
strftime或strfmon的参数表格式规则对该函数的参数进行检查。“archetype”指定是哪种风格；“string-index...
How do I get the directory that a program is running from?
...
This is from the cplusplus forum
On windows:
#include <string>
#include <windows.h>
std::string getexepath()
{
char result[ MAX_PATH ];
return std::string( result, GetModuleFileName( NULL, result, MAX_PATH ) );
}
On Linux:
#include <string>
#include <lim...
How to use shared memory with Linux in C
...buffer. Both processes can read and write the shared memory.
#include <string.h>
#include <unistd.h>
int main() {
char parent_message[] = "hello"; // parent process will write this message
char child_message[] = "goodbye"; // child process will then write this one
void* shmem =...
Named capturing groups in JavaScript regex?
...y valuable. For example, if you want to use a regex to parse a date from a string, you could write a flexible function that takes the value and the regex. As long as the regex has named captures for the year, month and date you could run through an array of regular expressions with minimal code.
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Formatting Numbers by padding with leading zeros in SQL Server
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This only works if the value passed in is a string, if you pass an integer you get out the same value you passed in.
– Mordy
Feb 13 '14 at 10:30
2
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Can I multiply strings in Java to repeat sequences? [duplicate]
...st way in plain Java with no dependencies is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this does is create an empty string containing n number of 0x00 ch...
Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
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How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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Fast permutation -> number -> permutation mapping algorithms
...algorithm is awesome, but I just found several cases to be wrong. Take the string "123"; the 4th permutation should be 231, but according to this algorithm, it will be 312. say 1234, the 4th permutation should be 1342, but it will be mistaken to be "1423". Correct me if I observed wrong. Thanks.
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How to get the position of a character in Python?
How can I get the position of a character inside a string in python?
9 Answers
9
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