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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...*/
#ifndef USE_PRINTF
#define USE_PRINTF (1)
#endif
#include <string.h>
#ifndef TLSF_USE_LOCKS
#define TLSF_USE_LOCKS (0)
#endif
#ifndef TLSF_STATISTIC
#define TLSF_STATISTIC (0)
#endif
#ifndef USE_MMAP
#define USE_MMAP (0)
#endif
#ifndef USE_SBRK
#define USE_SBRK ...
Delete last char of string
... lot of information in a list, linked to a database and I want to create a string of groups, for someone who is connected to the website.
...
What is a rune?
...rom this (erroneous) assumption C treated characters as 'bytes' char, and 'strings' as a 'sequence of characters' char*.
But guess what. There are many other symbols invented by humans other than the 'abcde..' symbols. And there are so many that we need 32 bit to encode them.
In golang then a st...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...ormance can be...
SQL Server uses high CPU when searching inside nvarchar strings
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Clang vs GCC for my Linux Development project
...r for beginners to interpret.
Consider this simple snippet:
#include <string>
#include <iostream>
struct Student {
std::string surname;
std::string givenname;
}
std::ostream& operator<<(std::ostream& out, Student const& s) {
return out << "{" << s.surn...
What is std::string::c_str() lifetime?
...
The c_str() result becomes invalid if the std::string is destroyed or if a non-const member function of the string is called. So, usually you will want to make a copy of it if you need to keep it around.
In the case of your example, it appears that the results of c_str(...
Format XML string to print friendly XML string
I have an XML string as such:
9 Answers
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Why does base64 encoding require padding if the input length is not divisible by 3?
...d sequence.
However, padding is useful in situations where base64 encoded strings are concatenated in such a way that the lengths of the individual sequences are lost, as might happen, for example, in a very simple network protocol.
If unpadded strings are concatenated, it's impossible to recover...
How to remove leading and trailing whitespace in a MySQL field?
...all tabs/newlines. TRIM should only remove whitespace at either end of the string.
– DisgruntledGoat
Jun 6 '14 at 0:19
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Is there an easy way to return a string repeated X number of times?
I'm trying to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
...