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What is the purpose of std::make_pair vs the constructor of std::pair?
...
int main() {
MyClass<int> my_class(1);
}
then:
g++-8 -Wall -Wextra -Wpedantic -std=c++17 main.cpp
compiles happily, but:
g++-8 -Wall -Wextra -Wpedantic -std=c++14 main.cpp
fails with:
main.cpp: In function ‘int main()’:
main.cpp:13:13: error: missing template arguments before...
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
1
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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:
...
Excel: last character/string match in a string
Is there an efficient way to identify the last character/string match in a string using base functions? I.e. not the last character/string of the string, but the position of a character/string's last occurrence in a string. Search and find both work left-to-right so I can't think how t...
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 ...
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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Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
..._INCLUDED_)
#define _MARKUP_H_INCLUDED_
#include <stdlib.h>
#include <string.h> // memcpy, memset, strcmp...
// Major build options
// MARKUP_WCHAR wide char (2-byte UTF-16 on Windows, 4-byte UTF-32 on Linux and OS X)
// MARKUP_MBCS ANSI/double-byte strings on Windows
// MARKUP_STL (defau...
How do you allow spaces to be entered using scanf?
...se fgets() (which has buffer overflow protection) to get your input into a string and sscanf() to evaluate it. Since you just want what the user entered without parsing, you don't really need sscanf() in this case anyway:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
...
How can I increment a char?
...ng, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're interested in bytes (such as for processing some binary data stream), things are even simpler:
>>> bstr = byt...
Example JavaScript code to parse CSV data
...http://stackoverflow.com/a/1293163/2343
// This will parse a delimited string into an array of
// arrays. The default delimiter is the comma, but this
// can be overriden in the second argument.
function CSVToArray( strData, strDelimiter ){
// Check to see if the delimiter is...