I am trying to run a program I have written for multiplying to square NxN matrices. However, I am getting a segmentation fault error. I have working code for the program without threading. But I have been unsuccessful in adapting my code for multiple threads. I am attempting to run the code on a raspberry… Read More How do I fix this segmentation fault?
I’m trying to learn sed. Whilst trying to learn I entered the following lines in my terminal. ~/tmp>$ cat sedtest a sed will enjoy writing over this I love cats, lovely b sed will really really enjoy writing over this sed will really really hate writing over this c ~/tmp>$ sed -n ‘/a/,/b/p’ sedtest a… Read More Why is sed printing all lines?
I have 45 lines of code that need a sed command. Due to the recent change in GNU all my scripts are breaking and need -std=legacy & -fallow-invalid-boz. The only way I know how to do this is with sed. I’m not a computer programmer and sed is simple and easy to understand. These are… Read More How to edit multiple lines in sed
Im using react: 17.0.2 and react-router-dom: 6.3.0. My current App.js snippet looks like this: class App extends React.Component { render() { return ( <div className="App"> <Routes> <Route element={<Layout/>}> <Route path="/home" element={<Home/>} /> <Route path="/login" element={<Login/>} /> <Route path="/signup" element={<Signup/>} /> </Route> <Route exact path=’/’ element={<Intro/>}/> </Routes> </div> ); } } The route to ‘/’ should… Read More Cant access children in component used as element in Route (react-router-dom 6.3.0)
I have below json string loaded to dataframe. Now I want to filter the record based on ossId. The condition I have is giving the error message. what is the correct way to filter by ossId? import pandas as pd data = """ { "components": [ { "ossId": 3946, "project": "OALX", "licenses": [ { "name":… Read More Pandas select rows from a DataFrame based on column values?
Lets say we got date and time to a log in the format of 2022-05-18-11:57:140100 I need to remove seconds from this time. It means the final output should be like 2022-05-18-11:57 I tried the following echo "2022-05-18-11:57:140100" | rev | cut -d/ -f6- | rev`:" this was not successful and I have no idea… Read More cut command top remove seconds from time. shell scripting
I even tried this link How to make two buttons the same size? But this didn’t work for me I am using bootstrap 4 and want to make two buttons in a row of same size. How can i fix this? Here is my code <style> .form-style-5{ max-width: 500px; padding: 10px 20px; margin-top:2em; margin: 10px… Read More How to make two buttons in a row of same size?
I have a row with 4 columns that are each 3 wide, which adds up to the 12 that are supposed the be in a row, but for some reason the last one is still going onto a new row. Any idea how to fix this? Here’s my code: <div class=”container text-center”> <h3>Welcome to “Ender’s… Read More Why is a column going into the next row when there are only 12 columns?
I want to create an object user for a website project that I am using. I have made the blueprint of the class in a saperate file called calsses.php and it contains the following code: <?php class User { private $username; private $email; private $address; private $password; private $telephone; public function __construct($username, $email, $address, $password,… Read More I can't create a user object in php
The data file is like the following: # ID,Value, Region A,30,North B,26,North C,49,South D,55,East … Here I would like to map the string (e.g., Region) to a rgb value which will be used as the lc color for boxxy. It can be described as the pseudo-code: if (region eq "North") { "0x1b9e77" } else if… Read More How to map a string to a RGB value?