I want to compare two columns in a file as below using AWK, can someone gives a help please? e.g. Now I want to use AWK to implement the following algorithm to find matches between those columns: Expected result: So I want to write the above code in AWK script and I find it too complicated for me as I
Tag: linux
Executing a python script including GPIO commands by cron in Raspberry Pi 2
Environment Raspberry Pi 2 raspbian-jessie-lite Windows 8.1 PuTTY 0.66 (SSH) Issue Can’t get cron to execute a python script with sudo. The script deals with GPIO input so it should be called with sudo. The program is supposed to save temperature and humidity to files but cat temp.txt and cat humid.txt gave me empty strings. crontab sudo crontab -e python
Connection refused – tcp socket in linux [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 years ago. Improve this question Ok, first how to run my program: my server How to compile? server:
Need help Combining two C codes
My goal is to write a program that reads up to 100 characters from an input sentence, then from that stored data it will output 3 things. The reverse of that input sentence, the odd-numbered elements of the array, and even-numbered elements of the array. Therefore I have 3 printf functions. I have 2 separate codes to do this and
Dropbox icon missing in the xubuntu plugin area
The dropbox icon from the desktop plugin area is missing and in its place there is a black TV 1 with a red sign in its center. I tried to solve this issue by removing and reinstalling dropbox and by following the proposed solution here. Neither one solution nor the other solved my problem. Someone can help me with this
Calling Assembly code from C++
I’m trying to write my own I/O library, so the first step is just being able to output a character. So far, this only needs to work on Linux. I wrote what I believe to be a solid _putc: label in x86 (with Intel syntax), and I put it in “io.h”, then called it from my main file, “test.cpp”. Here’s
Work Around or Fix for NPM lite-server on Linux error when running Angular 2 Quick Start
I am unable to start the lite-server 2.1.0 using npm on Ubuntu 14.04. I am trying to run the Angular2 Quick Start example. This problem may be specific to Linux and only started to occur after a recent update to Ubuntu. I am able to run the Angular2 Quick Start successfully on Windows 8.1. I have tried various different versions
How to find the version for the Oracle Forms Compiler in Linux
I’m trying to find the version of the Oracle Forms Builder and/or Forms Compiler in a linux installation. I know it’s an Oracle Forms 11g install, but I need the specific version. In the Windows Desktop version of Forms Builder, this can be achieved by accessing the “Help” -> “About Forms Builder…” menu. Which produces the following information: But how
XSLT: add element, read content from file
I ran into a complicated XSLT question. Input.xml Here I want to add a new element <DESCRIPTION>. The tricky part: the content are in separate files, the file name of the description file is the : (00050802.html,00033802.html === <ID>.html). The .html contains some html code, so the content should be enclosed in CDATA. Output.xml XSLT version does not matter. Answer
pg_upgrade oldbindir check fails
I’m trying to upgrade postgresql database from 9.1 to 9.4. I ran the 9.4 version of pg_upgrade as follows: I get: The folder exists, I set the permissions to 777, even gave the postgres user ownership of the directory structure, but I’m still getting the same error. Running in verbose mode does not provide any extra info. The partition with