navi | 🧠Declarative , asynchronous routing for React | Frontend Utils library
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Declarative, asynchronous routing for React.
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QUESTION
I am changing my application from vue 2 to vue 3. By using composition api,i have changed my previous render function in that setup hook. After checking some documentation,I got to know that i can expose methods by using context.expose({}).
Now my questions are:
- How to replace created method in vue 3 composition api? (As we know, setup hook occurs beforeCreate hook but not able to understand how to do those operations inside setup hook?)
- Can we return reactive variables and computed properties by using context.expose?
Here is my setup script:
...ANSWER
Answered 2022-Mar-22 at 13:02created hook in the composition api
This one is simple, there is no created or beforeCreate hook in the composition api. It is entirely replaced by setup. You can just run your code in the setup function directly or put it in a function you call from within setup.
Are properties exposed using expose reactive
Yes. While accessing values of child components using template refs is not really the "Vue"-way, it is possible and the values passed keep their reactivity. I couldn't find any documentation on this, so I quickly implemented a small code sandbox to try it out. See for yourself.
https://codesandbox.io/s/falling-breeze-twetx3?file=/src/App.vue
(If you encounter an error similar to "Cannot use import outside a module", just reload the browser within code sandbox, there seems to be an issue with the code sandbox template)
QUESTION
I have created a DGV adding CheckBoxColumns and TextBoxColumns. When the user enters a text value in to a TextBoxCell it then takes 2 mouse clicks to move to the next clicked cell, is there a way to allow a single mouse click to allow the next value to be entered in the selected cell straight away?
Also trying to use the Arrow Up/Down keys after entering a value doesn't move to the relevant new cell? When i use the arrow key is seems to end the edit but doesn't move to the next cell, it looks like the DGV loses focus as the mouse cursor appears.
I need both of these to work and to allow for immediate edit/ data entry as each text cell is for user input and not being able to use mouse keys to quickly navigate or having to double click with the mouse is causing a lot of wasted time.
Any help regarding these two issue would be much appreciated!
Additional Info::
This is what the grid looks like::
The first 2 columns are data populated from a previous form and the data is held in a DataTable, the rest of the columns are added via the program
With the 3 text columns it takes two clicks on the next cell to move to the requested cell and start to edit if something has been typed, again if something has been typed in a cell and i use the arrow keys doesn't seem to take you to the next cell, it leaves the cell put doesn't start to edit or put the cursor in the expected cell.
What i am looking for is when i have entered a value in to the Text Columns and click on the next cell it starts to edit straight away or if i use an arrow key it takes you to the relevant cell and starts the edit.
Below is the full code for the form i have an issue with, i have also added a screenshot of the DGV Properties as i bet all of this is fixed by something simple.
...ANSWER
Answered 2022-Mar-18 at 11:28Well… the updated code explains numerous issues you may be having. The big picture is that you need to take a little more care when subscribing to some events. It is not difficult to create a problem if you do not take care in checking when and how often your subscribed to events are firing.
Example, in your current code you have the method…
QUESTION
My problem is to exactly identify a specific text on a website.
My actual solution is with Xpath and it works but I do not want to use Xpath and I only get the whole string and not just the specific pattern.
I tried with cssSelector and I did not figure it out. Same for id="top".
I want from this pattern:
...ANSWER
Answered 2022-Mar-09 at 16:57To extract the text username1 you have to induce WebDriverWait for the visibilityOfElementLocated() and you can use either of the following Locator Strategies:
Using xpath and
split():
QUESTION
I'm new to both Android development as a whole and nav graphs in particular. I have a Home screen with a bottom navigation component (fragments 2-5) and 4 buttons that navigate to other fragments (fragments 6-9). To get this structure to work I struggled with the same error and it eventually stopped giving errors, although I'm not confident that I "fixed" the issue properly. This is backed by the fact that I'm getting the same error now that I'm attempting to wrap the activity with a navigation drawer component. Please help me resolve this error and structure my code correctly. The error occurs when I click a button on the home fragment (navigation drawer and bottom nav behave as expected, currently).
My main_navigation.xml (details omitted for brevity):
...ANSWER
Answered 2022-Mar-04 at 23:58Eventually solved my own problem. I moved all the nested destinations into the top level nav graph.
QUESTION
I am trying to use the stick position with my header part. on scroll it works with couple of side move. then the header hides. it should be always in the top for my requirement. i have give z-index as well in higher value. any one help me to understand the issue.
HTML:
...ANSWER
Answered 2022-Feb-27 at 08:07when adding 100% height to .wrapper and .container, the height get computed as below picture (838px in my case).. and when scroll crosses 838px, the header looses the sticky property.. when you set to auto, height will be computed automatically (adding all the divs' height) and it works expected..
QUESTION
I'm trying to write a program which will find all the lines containing the XML tag properties "name", "top" and "left" and will write value of this properties in console.
This is what I got so far:
...ANSWER
Answered 2022-Feb-23 at 20:12Try changing your for loop to
QUESTION
I am making a colour counter application, That has has 6 different colours.
I am currently trying to implement a pure JavaScript counter that has a individual counter for each colour.
(Correction: It is not to count the different colours displayed on the page, but when the user sees a colour in their surrounding environment that matches one of the 6 colours, they increase the counter by 1, for example the user sees the sky is blue and the grass is green, The user hovers over the blue colour, the increase and decrease buttons appear, the user increases the blue colour by 1 increment, Then for the grass the user hovers over the green colour, again the button appears and the user increases the green counter by 1.)
When a user hovers over the colour buttons must appear to increase or decrease the counter by 1, to a minimum of 0.
The count of each colour must always be displayed above the colour.
My current method seems rather long I'm sure there is a way to set up some sort of a method to handle all colours but again to have separate counters for each colour.
Please see the below image for what I am trying to achieve: See this image
Any help would be appreciated, I have included my current code below for reference
...ANSWER
Answered 2022-Feb-11 at 14:26Use an array from which do the operations on the DOM and apply map to do each colour's job, which would be to programatically attach the event listener to the DOM elements. Also, ensure the DOM has fully loaded before running your JS code:
QUESTION
I have 2 functions defined in my provider file that do similar things ... filter a product list to return products by category name (getByCatName) and by brand name (getByBrandName). I invoke both functions by making similar ref.read calls to the controller file. The catList works as desired by returning the list of products for category clicked. However, the brand name function is returning empty list probably because the brand parameter is not getting passed to the getByBrandName() function. Below are snippets of code that may be helpful to get your help. I have spent 3 days checking and rechecking my code with online research but no luck. I am thinking the filter for products in categories works because I am passing arguments via a ModalRoute (...) navigation routine to desired screen. However, for brand I am not using a navigation routing as it is not applicable here. BrandContent Screen:
...ANSWER
Answered 2022-Jan-21 at 20:10I solved this issue by adding a ref.read() statement to pull the brand clicked from the navRailProvider that controls navigation and displays corresponding brand page. This line of code was missing in my original code (BrandContent.dart). See code snippets below and screenshot of simulator.
BrandContent.dart:
QUESTION
The following code is an extract from Postman, where I am getting a response. For some reason the NodeJS version doesn't seem to be running and gives a "Socket hang up" error, where as the python version runs well. Both codes are pasted below:
...ANSWER
Answered 2022-Jan-04 at 22:41Your content-length is wrong (you're passing 419, when the actual length of your payload JSON is 279). This probably means the receiving server is still waiting for the rest of the content to arrive, it never arrives so eventually the server times out and hangs up on you (thus why you get a hang up error).
And, lo and behold, when I just remove the content-length header and let the request library compute it automatically, the request starts working for me.
As for the python implementation, one guess is that it is overriding the wrong content-length and fixing it for you.
FYI, the request() library has been deprecated and it is not recommended that people write new code with it as it will not be advanced with new features in the future. A list of suggested alternatives (that all support promises) is here. My favorite in that list is got() which also supports most of the same options as the request() library, but is promise-based at is core and has a number of API improvements that make it easier to use (in my opinion).
And, indeed your code works just fine with the got() library (after removing the incorrect content-length header).
QUESTION
import React, { useState } from "react";
import Counters from "./Counters";
import Navi from "./Navbar";
import Textbox from "./Textbox";
import About from "./About";
import Alerts from "./Alerts";
import { BrowserRouter as Router, Routes, Route, Link } from "react-router-dom";
const App = () => {
// const [alert,setalert]=useState()
// const Showalert=(message,type)=>{
// setalert({
// msg: message,
// typ: type,
// })
// }
return (
);
};
export default App;
ANSWER
Answered 2021-Dec-01 at 08:13Try with the following code:
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