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Selected element within list in React

I want to apply different style for selected element from a long list. I’m passing to React component element as props: currentId and selectedId. Inside render function, I compare both ids and apply proper styles. When clicking any element from the list, I fire an action with the new selected ...

How can I Input varibale length string and output user defined length string?

AS some function like MD5 can take input of varibale length string, and output a fixed length string. I want some standard function that can input a differents string and output a user deined length. Is there any way to do so? How can I Input varibale length string and output user defined len...

TypeError: only size-1 arrays can be converted to Python scalars as I try to find equation values

I am trying to solve a simple equation: x^2 - 4 = 0 using fslolve. from scipy.optimize import fsolve,leastsq import math import numpy as np f = lambda x : math.pow(x,2) - 4 fsolve(f, np.linspace(0,1,10)) But I get an error saying TypeError: only size-1 arrays can be converted to Python scalars. I ca...

A compilation program

i am currently having a problem here. As of now, the current code only calls the Party Planner program and works with it by closing the current panel. However, when i launch the other four, the main frame opens but without any context and the menus serve no functions. I really dont want this to show...

Flutter : How to change status bar color when scrolling with SingleChildScrollView

I’m new with flutter. I’m creating a new page with SingleChildScrollView. my problem is how to change status bar color only when scrolling active? I’ve seen this effect from here but this code for sliver. everytime scroll active at some offset, the statusbar color change. here̵...

Retrieving desired git commit message in pre-commit hook

So if .git/hooks/pre-commit exists, then it will be run right after: git commit -am "foobar" is run. So then how do I access the desired git commit message in the pre-commit? I do some sleuthing and put this in .git/hooks/pre-commit and made the file executable: #!/usr/bin/env bash echo "here is pre...

Create roles Identity framewor

I have a problem with creating a role for users. I follow the guide below. https://gooroo.io/GoorooTHINK/Article/17333/Custom-user-roles-and-rolebased-authorization-in-ASPNET-core/32835#.XOBFAcgzbcs I added the “CreateRoles” method to “Startup.cs” private async Task CreateRol...

how to add Firebase to a Vuex todo list app?

I am building a simple Vue.js todo list app using Vue.js, Vuex, and Firebase. The Vuex store dispatches, commits, and returns the inputted data just as it should, but I want to be able to connect the app to a Firestore database. So far, I have managed to set up the app so that data is pushed into th...

How to return row count of data in room persistence

Am working on an assignment where I have to count for records in room database and if its zero(0), I show no data in textview otherwise the data is fetched in LiveData format. I found this method on stackoverflow but with no detail as to how to implement it in the Repository, ViewModel and in the Ac...

Error in sending and receiving the packets

I am writing an application to inject packets to the adapter using the winpcap API “pcap_sendpacket” and I am also running a separate thread to get all the packets received by the adapter from the network which forwards the packets to my application for processing when it receives any pa...

how to input arrays

Console.WriteLine(“Type how many colums parking have: “); int[] = new int[]; There is mistake int[] kolona = new int[300]; int[] kolona = new int[]; Console.WriteLine(“Type how many colums parking have: “); int[] kolona = new int[300]; I want after CW that I can write with ta...

In Azure, how can you configure an alert or notification when a SQL Server failover happened?

In Azure, how can you configure an alert or notification when a SQL Server failover happened if you setup a SQL server with Failover groups and failover policy is set to automatic? If it can’t be setup in Monitor can it be scripted elsewhere? In Azure, how can you configure an alert or ...

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