大约有 230 项符合查询结果(耗时:0.0190秒) [XML]

https://stackoverflow.com/ques... 

How do exceptions work (behind the scenes) in c++

...unction _ZN11MyExceptionD1Ev: .LFB7: pushl %ebp .LCFI0: movl %esp, %ebp .LCFI1: popl %ebp ret .LFE7: .size _ZN11MyExceptionD1Ev, .-_ZN11MyExceptionD1Ev _ZN11MyExceptionD1Ev is MyException::~MyException(), so the compiler decided it needed a non-inline copy of the dest...
https://stackoverflow.com/ques... 

What is the function of the push / pop instructions used on registers in x86 assembly?

...s r/m, not just register, so you can push dword [esi]. Or even pop dword [esp] to load and then store the same value back to the same address. (github.com/HJLebbink/asm-dude/wiki/POP). I only mention this because you say "not necessarily a register". – Peter Cordes ...
https://community.appinventor.... 

[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

... and trying to send big strings, like 128bytes from the app to my hardware(ESP32). From the app side I have a text box that is sending the string to ESP32, all working except when I try to send strings over 23bytes. Ok, I read some topics here and tried to apply those solutions but no success yet. F...
https://www.tsingfun.com/it/cpp/656.html 

Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术

...是单个子程序,在进入子程序的时候,通过修改堆栈指针esp来预留出需要的空间,在用ret指令返回主程序之前,同样通过恢复esp丢弃这些空间,这些变量就随之无效了。它的缺点就是因为空间是临时分配的,所以无法定义含有初...
https://stackoverflow.com/ques... 

Is < faster than

... // Do something 1 } Compiles to: mov eax, DWORD PTR [esp+24] ; a cmp eax, DWORD PTR [esp+28] ; b jge .L2 ; jump if a is &gt;= b ; Do something 1 .L2: And if (a &lt;= b) { // Do something 2 } Compiles to...
https://stackoverflow.com/ques... 

Code Golf: Collatz Conjecture

...; section .text global main extern printf extern atoi main: cmp dword [esp+0x04], 2 jne .usage mov ebx, [esp+0x08] push dword [ebx+0x04] call atoi add esp, 4 cmp eax, 0 je .usage mov ebx, eax push eax push msg .loop: mov [esp+0x04], ebx call printf test ebx, 0x01 ...
https://www.tsingfun.com/it/cpp/1957.html 

C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术

...到子类的成员变量。 01 00426C00 push ebp 02 00426C01 mov ebp,esp 03 00426C03 sub esp,0CCh 04 00426C09 push ebx 05 00426C0A push esi 06 00426C0B push edi 07 00426C0C push ecx 08 00426C0D lea edi,[ebp+FFFFFF34h] 09 00426C13 mov ecx,33h 10 00426C18 mov eax,0CCCCCCCCh 11 ...
https://www.tsingfun.com/it/os_kernel/511.html 

Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...sh ebp 08048971 89 E5 mov ebp, esp 08048973 81 EC 08 00 00 00 sub esp, 0x8 08048979 68 00 00 00 00 push 0x0 0804897E 68 03 00 00 00 push 0x3 08048983 E8 88 FE FF FF ...
https://stackoverflow.com/ques... 

Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?

... while(42) is the coolest, produces no different result with respect to while(1) or while(true) or while(!0), and has philosophical meaning. I suppose for(;;) is parsed faster than the others anyway – ShinTakezou Jun 10 '10 at 12:21 ...
https://bbs.tsingfun.com/thread-1682-1-1.html 

蓝牙通信接收的信息出现乱码? - App应用开发 - 清泛IT社区,为创新赋能!

ESP32发送的是英文字符和数字,编译的蓝牙APP接收的是乱码 请问怎么解决以上问题?我们已经解决过类似问题,有一篇深入的乱码的原理及解决思路的文章:https://www.fun123.cn/reference/iot/bluetooth_codec.html 这里仅提供一下思路: 1、...