since the network IO is based on interrupt DMAcopy , why do we need the in out instruction to read data directly from the NIC register? ...
I dynamically loaded a piece of code into memory for execution and reported to SIGSEGV. Debug with gdb and find a strange phenomenon: first of all, the environment is: (gdb) bt -sharp0 0x00007ffff7e91360 in ?? () (gdb) i r ... rip 0x7ffff7e91360 cs ...
< H2 > 8259A Programmable interrupt Controller Port problem < H2 > ICW4 and OCW3 A total of 56 bytes need to be written, and its port is only 0x20,0x21 0xa0,0xa1 four ports, these ports are also one byte, how to write these 56 bytes into th...
assemble how to merge two 8-bit data into one 16-bit a7b7a6b6a5b5. A0b0)? ...
File is executable. test executable 1, pyinstxtractor use pyinstxtractor to report errors Error: Unsupported pyinstaller version or not a pyinstaller archive 2, uncompyle6 change the file name suffix to .pyc or pyo, uses uncompyle6 to report a...
could you tell me what s wrong with my writing like this? there is no result at run time data segment data ends stack segment stack dw 20h dup(?) top label word stack ends code segment assume ds:data,ss:stack,cs:code p proc far mov ax,data ...
1. There are two problems: (1) the breakpoint is set, but the console window flashes when debugging, and the subsystem in the linker option has been selected as the console, and the platform is set to all platforms; (2) when generating project, the ou...
function foo(){ setTimeout(()=>{ console.log("is:",this.id); 42 },100) } var id = 21; foo.call({id:42}) The this of the function in js is dynamic, depending on who calls it at run time, in which the this inside foo points to an a...
how to restore the database after copying the files in the oradata in the source database? ...
function BuildFun(obj) { var version_value = $(obj).attr("version_value");; var game_name = $(obj).attr("game_name"); var groupname = $(obj).attr("groupname"); var action...
Let me ask you a question. When iframe is introduced into react, I need to wait for all the html pages in the iframe to load before getting the height of the html. What I expect is to call the method in the parent react after obtaining the height in the...
I want to disable the state of my row of action buttons when prop:enabledStatus is enabled; when prop:enabledStatus is disabled, my row of action buttons become enabled; according to judgment, only one status button appears. How to do it, ask the great...