c++ - Some doubts about operator new() and handles in msvc?

{Code...} I know that this endless loop is to wait for the memory to be allocated successfully and then return...

From [C++discussion group] 2017-05-16 13:30:35 0  1  855

c++ - What is the specific implementation of this reserved by library placement?

{Code...} I encountered it when I was learning various forms of operator new (c++ primer didn’t explain much),...

From [C++discussion group] 2017-05-16 13:30:16 0  1  823

How to solve the connection error encountered when compiling c++ with VC6.0?

How to solve the connection error encountered when compiling c++ with VC6.0? {code...}

From [C++discussion group] 2017-05-16 13:30:13 0  2  828

javascript - chrome dialog box automatically closes problem

In a small vue project, there is a page request that requires http basic authentication. After the request is ...

From [C++discussion group] 2017-05-16 13:30:05 0  1  1029

C++ cannot use (pointer) to get the value address in the STL container?

Note that pointers are used instead of references: ... {code...} felix said: Change int data to int &data....

From [C++discussion group] 2017-05-16 13:29:57 0  1  639

linux - I am looking at some C functions. What do these bitwise ORs mean?

I'm learning C recently and I saw that some functions use bitwise or bitwise to pass parameters. I don't quite...

From [C++discussion group] 2017-05-16 13:29:54 0  2  697

c++ - QML interface design in Qt, pictures cannot be displayed after running

As shown above, after running, the effect is as follows, no picture is displayed. Why is this? Thank you

From [C++discussion group] 2017-05-16 13:29:46 0  1  762

How to generate a sequence based on minimum value, maximum value and standard deviation

To do experiments, you need to generate a sequence based on the minimum value, maximum value and standard devi...

From [C++discussion group] 2017-05-16 13:29:42 0  1  688

c++ - Why does the sub-function displayed in the linked list need to have a variable?

{Code...} The book says to think about why you should set head to p instead of using it directly. I don’t see ...

From [C++discussion group] 2017-05-16 13:29:38 0  2  633

java - Related questions about ByteBuffer

How to convert a string into a ByteBuffer in Java and store it in the ByteBuffer in binary form. Because it ne...

From [C++discussion group] 2017-05-16 13:29:23 0  2  632

c++ - Problem downloading files over the firewall

Download batch files over the firewall, which cannot be accessed without VPN: http://html.scribd.com/94wzfy......

From [C++discussion group] 2017-05-16 13:29:11 0  2  775

visual-studio - When writing a binary tree in C++, using templates and setting friend classes makes an error.

Problem Description As the title states, I have recently been learning data structures and implementing them i...

From [C++discussion group] 2017-05-16 13:29:03 0  1  668

java - Three binary digits represent octal, and four binary digits represent hexadecimal. So how many binary digits represent decimal?

Three binary digits represent octal, and four binary digits represent hexadecimal. So how many binary digits r...

From [C++discussion group] 2017-05-16 13:28:36 0  2  1198

javascript - An English string has a length of 1, occupies one byte, and each byte occupies 8 bits. How does js get the number of each bit in the memory?

As the title says, this problem comes from the interaction with the hardware. The hardware passes a character ...

From [C++discussion group] 2017-05-16 13:28:32 0  1  696

Win+MinGW cannot use gdb to debug C++ compiled exe

The system is Windows 10 x64, MinGW has been installed, the version is: mingw32-gcc 5.3.0-3mingw32-gcc-g++ 5.3...

From [C++discussion group] 2017-05-16 13:28:15 0  1  856