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Read whole ASCII file into C++ std::string [duplicate]
I need to read a whole file into memory and place it in a C++ std::string .
9 Answers
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C++内核技术
如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C++内核技术
如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C++内核技术
如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...
Function overloading by return type?
...m, and that makes this task as natural for the human reader as possible."
C++ (subsection 7.4.1of Bjarne Stroustrup's "The C++ Programming Language"): "Return types are not considered in overload resolution. The reason is to keep resolution for an individual operator or function call context-indep...
Is there a way to instantiate objects from a string holding their class name?
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Nope, there is none, unless you do the mapping yourself. C++ has no mechanism to create objects whose types are determined at runtime. You can use a map to do that mapping yourself, though:
template<typename T> Base * createInstance() { return new T; }
typedef std::map<s...
C++ Double Address Operator? (&&)
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This is C++11 code. In C++11, the && token can be used to mean an "rvalue reference".
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
... suffice. The __STDC_FORMAT_MACROS macro is only required for inclusion in C++.
– Jens Gustedt
Nov 15 '11 at 8:05
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C++ Convert string (or char*) to wstring (or wchar_t*)
...interest, then your problem can be fully solved with the standard library (C++11 and newer) alone.
The TL;DR version:
#include <locale>
#include <codecvt>
#include <string>
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::string narrow = convert...
ACE vs Boost vs POCO [closed]
I have been working with the Boost C++ Libraries for quite some time. I absolutely love the Boost Asio C++ library for network programming. However I was introduced to two other libraries: POCO and Adaptive Communication Environment (ACE) framework . I would like to know the good and bad of ...