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...
problem description gets an array from the background. There are multiple items in the array and each item has a piece of text content (the text content contains n). Now you want to display the text content on the page (you can put it in the p tag or ...
recently, I have been learning about java nio, which has been a bit strange. There is such a common code in nio programming . for(xxxxxxx){ if(selectionKey.isAcceptable()){ ServerSocketChannel ssc = (ServerSocketChannel) selectionKey.channel()...
my springboot project is configured in multiple environments. In pom.xml, as follows, I have set test to active, but ${profileActive} always points to dev, unless I delete the profile of dev. What is this about reluctantly pointing to test,? <profil...
1.zuul provider has been registered with eureka 2.zuul can only be forwarded through url 3.eureka can view registered services 4.springboot admin can view various services 5.windows development platform (jdk1.8); springboot 1.5.12 R 5.zuul can not ...
problem description this is my first contact with the Scrapy framework. When crawling the data in the JSON file in Scrapy, using print detection found to be empty, do not know what is going on, please give advice! the environmental background of the...