I am trying to find the start and end position of _ in a string as list of tuples. The code I used is sentence = ‘special events _______ ______ ___ _______ ____ _____ _______ ___________ brochure subscriptions ticket guide’ symbol = ‘_’ position = [(match.start(),match.end()) for match in re.finditer(symbol, sentence)] For this the output… Read More Start and End Position of symbols in a string
i am new to react i need help with the usestate need it to change style to display none saving the text in state then show use it in the inline css the code is below import React, { useState, Component, useEffect } from ‘react’; import { StyleSheet, Text, View, Alert, Image} from "react-native"; import… Read More react native hooks can only be called inside body of a function component
I’m writing a function and this is the last piece of the puzzle, which I thought would be easy to deal with, but after some unsuccessful tinkering with for and while loops, I tried looking it up online and still couldn’t find an answer. I came across some obscure and complex solutions, but I think… Read More Sum all numbers in array until a certain value is reached
I am trying to install inotify-tools.x86_64 in a rocky8 linux machine. I am getting the following error. Any leads are much appreciated ~yum install inotify-tools.x86_64 Last metadata expiration check: 1:09:43 ago on Thu 19 May 2022 04:50:55 PM UTC. No match for argument: inotify-tools.x86_64 Error: Unable to find a match: inotify-tools.x86_64 I tried to install… Read More inotify not installing in rocky8 linux
I’m used to MS SQL and Management Studio on Windows but got MacBook recently, and appereantly, I don’t have enough RAM for the tasks I need to do on my Parallels Desktop. Thus, I installed MySQL on my Mac and been able to create a database via MySQL Workbench. I can see the database exists… Read More How to connect to a MySQL db via a client on Mac?
In My repository, I have two API calls that should be done sequentially. First API call returns Completable -> If this API call fails, we should not proceed further, if it succeeds we should continue with the second API call Second API call returns Single -> If this API call fails, we should NOT throw… Read More Chain Completable and a Single RxJava + Retrofit
I want to save in my database values which have different types, being new to Angular I don’t know how to do it, my name value fits well in my database while the value of nb_engins is always null no matter what. I am trying to assign them to an array, is this the correct… Read More How to fix Argument of type 'string' is not assignable to parameter of type 'number'?
i have following example code which returns id+1 of it’s elements: EntitiesService: public create(model: Model): Observable<number> { var subject = new Subject<number>(); this.GetAll().subscribe(result => { if (result.find(x => x.name == model.name)) { return; } model.id = result[result.length – 1].id + 1; EntitiesService.mock.push(model); subject.next(model.id); }) return subject.asObservable(); } and i would like to subscribe it to… Read More subscribe observable (as subject)
I’m working on a React project where I’m constrained to using React Redux v5, which doesn’t include useDispatch and useSelector. Nonetheless I really would like to have these hooks (or something like them) available in my app. Therefore, I’ve created a wrapper component at the top level of the app which I connect using redux’s… Read More Using the Context API as a way of mimicking useSelector and useDispatch with redux v5
I’m very new to C# and I’m wondering if using delegates is the right way here: I created a UserControl in Visual Studio Windows Forms Designer. In a TableLayoutPanel I have 3 x 3 of these UserControls. Each of them gets a row and col index through the constructor. Now in my Form that contains… Read More How to call a callback function on a GUI event? Delegates?