大约有 40,000 项符合查询结果（耗时：0.0246秒） [XML]
Is there a __CLASS__ macro in C++?
... extracting the information through a macro style interface.
inline std::string methodName(const std::string& prettyFunction)
{
size_t colons = prettyFunction.find("::");
size_t begin = prettyFunction.substr(0,colons).rfind(" ") + 1;
size_t end = prettyFunction.rfind("(") - begin;
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Case-insensitive string comparison in C++ [closed]
What is the best way of doing case-insensitive string comparison in C++ without transforming a string to all uppercase or all lowercase?
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How should one use std::optional?
...plest example I can think of:
std::optional<int> try_parse_int(std::string s)
{
//try to parse an int from the given string,
//and return "nothing" if you fail
}
The same thing might be accomplished with a reference argument instead (as in the following signature), but using std::op...
.NET / C# - Convert char[] to string
What is the proper way to turn a char[] into a string?
7 Answers
7
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Number of occurrences of a character in a string [duplicate]
...ber of occurrences of a certain character such as & in the following string.
6 Answers
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
... code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
28 Answers
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What is the canonical way to check for errors using the CUDA runtime API?
...functions like cudaGetLastError , cudaPeekAtLastError , and cudaGetErrorString , but what is the best way to put these together to reliably catch and report errors without requiring lots of extra code?
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Unmangling the result of std::type_info::name
...ures.
In file type.hpp
#ifndef TYPE_HPP
#define TYPE_HPP
#include <string>
#include <typeinfo>
std::string demangle(const char* name);
template <class T>
std::string type(const T& t) {
return demangle(typeid(t).name());
}
#endif
In file type.cpp (requires C++11)
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Using awk to print all columns from the nth to the last
...l end up with an initial delimiter ($1 is still included, just as an empty string). You can strip that with sed though: awk -F, -vOFS=, '{$1=""; print $0}' | sed 's/^,//'
– cherdt
Jul 7 '16 at 23:55
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How to convert a String into an ArrayList?
In my String, I can have an arbitrary number of words which are comma separated. I wanted each word added into an ArrayList. E.g.:
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