Skip to content
Advertisement

Calling “select” on fd 0 requires to fire

I’m trying to use “select()” to test if a key has been struck and then read it. It sort of works but only if {Enter} is pressed after the character. Sample code is as follows: If I press A nothing happens, but if I Press A{Enter}, the output is: The output is the same if I press ABC{Enter} Why is

linux + formula to convert IPV6 address to IP address

Formula to convert IPv6 Address to IP address number I’m looking for a formula to convert IPV6 address to IP address . for example – lets say we have the ipv6 as the following Input IPV6 address : 2001:0db8:0000:0000:0000:ff00:0042:8329 Output IP Number converted : 32.136.7.34 Answer to IP address As already written in the comments, the word “IP address” may

NGINX 404 not found but file exists

I want to call the index.html from the folder /var/www/fileUpload/html. The index.html file exists in that folder. The / router works. the uploadFiles route as well. But when I open the upload route I get a 404 error. Do you have any suggestions? Thank you! Answer That should be alias /var/www/fileUpload/html; otherwise Nginx is looking for the file in /var/www/fileUpload/html/upload/index.html.

Python different errors when executing in PyCharm and in shell

I’ve worked on my python project in PyCharm. When I’m executing its different files everything goes smoothly. However, when I’m executing the files in shell, it seems like I get errors that I don’t get in the IDE. For example, being a simplified structure of my project: And being a simplified main.py: The execution in PyCharm is clean, while when

Bash script returning command not found, when setting the PATH [closed]

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed last year. Improve this question I

npm ERR! code EACCES, npm install –global yarn met error

Mac mini (M1, 2020) Monterey Brownie v1.17.2 nodejs v16.13.4 I am learning solidity according to reference(https://www.youtube.com/watch?v=M576WGiDBdQ&t=25510s). Node.JS install is fine when I tried this the terminal give the error information I checked the owner of the file ,the owner is root ,should i use sudo? find this thread (Error: EACCES: permission denied, access ‘/usr/local/lib/node_modules’),changed the owner , stll one file

Why am I receiving segmentation fault (core dumped)?

This program was created to log the counter every 5 seconds. The while loop needs to be running while the daemon process is running in the background and logging the counter. The error I’m receiving is: Segmentation fault (core dumped). the terminal ask to input a number, when I input the number I receive the error. I think the while

Looping over pairs of files

Hello I need to iterate over pairs of files and do something with them. For example I have 4 files which are named AA2234_1.fastq.gz AA2234_2.fastq.gz AA3945_1.fastq.gz AA3945_2.fastq.gz As you can propably tell the pairs are AA2234_1.fastq.gz <-> AA2234_2.fastq.gz and AA3945_1.fastq.gz <-> AA3945_2.fastq.gz (they share the name before _ sign) I have a command with syntax looking like this: initialize_of_command file1

Advertisement