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The difference between fork(), vfork(), exec() and clone()
...nkage int sys_fork(struct pt_regs regs)
{
return do_fork(SIGCHLD, regs.esp, &regs, 0);
}
asmlinkage int sys_clone(struct pt_regs regs)
{
unsigned long clone_flags;
unsigned long newsp;
clone_flags = regs.ebx;
newsp = regs.ecx;
if (!newsp)
newsp = regs.esp;
r...
What is the difference between native code, machine code and assembly code?
... ; save stack frame pointer
00000001 8B EC mov ebp,esp ; setup current frame
00000003 E8 30 BE 03 6F call 6F03BE38 ; Console.Out property getter
00000008 8B C8 mov ecx,eax ; setup "...
How to print register values in GDB?
...ers show registers.
If only want watch one register, for example, display $esp continue display esp registers in gdb command line.
If want watch all registers, layout regs continue show registers, with TUI mode.
share
...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...者开发动机
对于一个项目，应该开发一个与 ESP8266（项目）通信的 Android 应用程序。为了轻松开发应用程序，选择了 MIT App Inventor 2。
项目中可用的 ESP8266 设备的 IP 地址不应固定。应用程序本身应该确定哪些设备当前...
Which is faster : if (bool) or if(int)?
...ng with -03 gives the following for me:
f:
pushl %ebp
movl %esp, %ebp
cmpl $1, 8(%ebp)
popl %ebp
sbbl %eax, %eax
andb $58, %al
addl $99, %eax
ret
g:
pushl %ebp
movl %esp, %ebp
cmpb $1, 8(%ebp)
popl %ebp
sbbl ...
Purpose of ESI & EDI registers?
...ASM in 1985). Among these are
REP STOSB
REP MOVSB
REP SCASB
Which are, respectively, operations for repeated (= mass) storing, loading and scanning. What you do is you set up SI and/or DI to point at one or both operands, perhaps put a count in CX and then let 'er rip. These are operations that w...
What is the closest thing Windows has to fork()?
...l using
Win32 calls to emulate fork, the method has changed noticably.
Especially, we don't create the child process in the suspended state
anymore, unless specific datastructes need a special handling in the
parent before they get copied to the child. In the current 1.5.25
release the on...
how to replicate pinterest.com's absolute div stacking layout [closed]
... answered May 8 '13 at 17:33
espesp
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...
How to extract text from a PDF? [closed]
...mmend it. Google's pdf text extraction isn't as good as many alternatives (esp. for non-English) and it is also very very sloooow.
– Björn Lindqvist
May 19 '14 at 9:53
add a ...
Differences between C++ string == and compare()?
...har>,std::allocator<char> > (0D23EECh)
00D42A41 add esp,8
00D42A44 movzx edx,al
00D42A47 test edx,edx
00D42A49 je Algorithm::PerformanceTest::stringComparison_usingEqualOperator1+0C4h (0D42A54h)
string::compare()
if (str1.compare...