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How to implement a queue using two stacks?
...and latest state of our stack represented as a bottle will be as below;
Now we have our stack represented as a bottle is populated with values 3,2,1. And we want to reverse the stack so that the top element of the stack will be 1 and bottom element of the stack will be 3. What we can do ? We can ...
What is the difference between user and kernel modes in operating systems?
...inology).
Entered with the svc instruction (SuperVisor Call), previously known as swi before unified assembly, which is the instruction used to make Linux system calls. Hello world ARMv8 example:
hello.S
.text
.global _start
_start:
/* write */
mov x0, 1
ldr x1, =msg
ldr x2, =len
...
What's the common practice for enums in Python? [duplicate]
... late, but you can also do Shaded, Shiny, Transparent, Matte = range(1, 5) if you don't like having the _unused there
– Davy8
Jan 30 '11 at 17:42
4
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How can I reference a commit in an issue comment on GitHub?
...it with git log, it will show up on the lines with commit <SHA>. And if that doesn't work, it could be you did not do the git push origin master. Also, there is a bug in github, there must be at least one character after the <SHA> or it doesn't get detected. It can just be a newline or a...
How to check that an element is in a std::set?
...
this is specific for sets and maps. vectors, lists etc. don't have a find member function.
– wilhelmtell
Nov 9 '09 at 13:53
...
Can I use jQuery with Node.js?
...swer to no longer work. I found this answer that explains how to use jsdom now. I've copied the relevant code below.
var jsdom = require("jsdom");
const { JSDOM } = jsdom;
const { window } = new JSDOM();
const { document } = (new JSDOM('')).window;
global.document = document;
var $ = jQuery = requ...
GCC dump preprocessor defines
...touch foo.h; cpp -dM foo.h
will show all the predefined macros.
If you use -dM without the -E option,
-dM is interpreted as a synonym for -fdump-rtl-mach.
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windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术
...t exception_access_violation_filter(LPEXCEPTION_POINTERS p_exinfo)
{
if(p_exinfo->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
{
messagebox("access vialation exceptionn");
return EXCEPTION_EXECUTE_HANDLER ; //告诉except处理这个异常
}
el...
Windows下如何判断Win32 or x64？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...不。在 Windows SDK 的 minwindef.h 下第 37 行有如下定义：
#ifndef WIN32
#define WIN32
#endif
即是说，只要包含了 Windows.h，那么 WIN32 常量是肯定定义了的，所以不能用于判断平台环境。但是如果在预处理定义里删掉 WIN32，又不包含 Wi...
What is __declspec and when do I need to use it?
...
This is a Microsoft specific extension to the C++ language which allows you to attribute a type or function with storage class information.
Documentation
__declspec (C++)
...