c++ - old problem error LNK2005: "public: void __thiscall

{Code...} Then error LNK2005: "public: void __thiscall" will appear when compiling. When deleting th...

From [C++discussion group] 2017-06-24 09:43:00 0  1  981

How to understand this code in OJ's answer?

Problem Description A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A f(n - 1) + B f(n - ...

From [C++discussion group] 2017-06-24 09:42:59 0  2  1033

c++ - Write a personal income tax calculation program, how to echo it?

Write a personal income tax calculation program. The calculation method is: 1. No tax is paid for 5,000; 2. 5,...

From [C++discussion group] 2017-06-23 09:15:02 0  2  1711

Display elements in vector using template function and iterator

{Code...} The error message in VS 2017 is as follows: {Code...} Please tell me what went wrong here~Thank you~...

From [C++discussion group] 2017-06-23 09:14:59 0  2  1125

c++ - Why does vector generate a segfault when it is reserved?

{Code...} This is the call stack of the core file. I am sorry to post the code. What are the common reasons fo...

From [C++discussion group] 2017-06-23 09:14:58 0  1  1523

c++ - Xcode writes C language code, how to use freopen() to return the output to the console?

Excuse me, after I define stdout in a file, I want to return to the Xocde console and output the second hello ...

From [C++discussion group] 2017-06-23 09:14:56 0  1  1079

python - Saw a small project waifu2x based on convolutional neural network to improve image resolution on github? ?

I am new to machine learning. I would like to ask, after understanding the algorithm and related knowledge of ...

From [C++discussion group] 2017-06-23 09:14:51 0  1  1445

c++ - C language break statement reports error

I don’t know where I went wrong. Please give me some advice. I’ve been looking at it for a long time and I thi...

From [C++discussion group] 2017-06-22 11:53:37 0  4  1568

I don't understand a sentence in c++.

{Code...} const_cast<void *>(ss) I don’t understand this sentence

From [C++discussion group] 2017-06-22 11:53:34 0  2  972

c++ - What is the relationship between browser, v8 engine, JavaScript, and ECMAScript?

This problem has troubled me for a long time, and I have read a lot of relevant information, but I still can't...

From [C++discussion group] 2017-06-20 10:06:31 0  2  1076

c++ - Can't understand a sentence about c dynamic memory allocation?

{Code...} I don’t understand how to operate like this after dynamically allocating memory. Can you explain dat...

From [C++discussion group] 2017-06-20 10:06:25 0  1  735

How to apply C++ separated compilation?

C++ Primer's introduction to separated compilation is very simple, so I wanted to try how to use it. Run the f...

From [C++discussion group] 2017-06-20 10:06:13 0  1  959

C# serial port class reads dynamic data. How to transfer this data?

using System.IO.Ports;namespace SerialPorts{    public class SerialPorts    {   ...

From [C++discussion group] 2017-06-19 13:16:57 0  1  1727

c++ - What does this conditional statement mean?

Please help explain the meaning of the second if statement of the function sting::size_type find_char(const st...

From [C++discussion group] 2017-06-19 09:07:35 0  1  1017

Problems with unsigned types and signed types in C++

Question 1: "When we assign a value to an unsigned type that exceeds its representation range, the result...

From [C++discussion group] 2017-06-19 09:07:29 0  1  1573