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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...
vs vs for inline and block code snippets
...dd the class. Doing it any other way will still be asking the user to type extra. This way the user can think of it as adding a special tag rather than using a completely different structure.
– slebetman
Jan 9 '11 at 0:19
...
How to convert a Binary String to a base 10 integer in Java
I have an array of Strings that represent Binary numbers (without leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider:
...
Reading string from input with space character? [duplicate]
...so using Geany and CodeBlock as my IDE.
What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable:
...
Which characters need to be escaped when using Bash?
... and safe rules which work not only in sh but also bash.
1. Put the whole string in single quotes
This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting.
'I'\''m a s@fe $tring which ends in new...
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 =...
Convert character to ASCII code in JavaScript
...
The opposite of this is String.fromCharCode(10).
– viam0Zah
May 1 '11 at 9:38
189
...
Simple way to repeat a String in java
...king for a simple commons method or operator that allows me to repeat some String n times. I know I could write this using a for loop, but I wish to avoid for loops whenever necessary and a simple direct method should exist somewhere.
...
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 does database indexing work? [closed]
...iven that creating an index requires additional disk space (277,778 blocks extra from the above example, a ~28% increase), and that too many indices can cause issues arising from the file systems size limits, careful thought must be used to select the correct fields to index.
Since indices are only...