I’m setting up a map to find the coords of a person and then put that location on the map. But for some reason, the coords aren’t being shown on the map. I console.log to make sure the state variables(where the coords are being stored) were emitting the right coords and they are. I don’t kno…
Tag: javascript
React Native ScrollView inside an Animated.View to make Bumble-like swipe system
I’m currently working on a Bumble-like swipe system so I can swipe horizontally (thanks to an Animated.View and a PanResponder so I can move my view wherever I want), and vertically (because my view is longer than the height of my screen). After a long day of search, I finally found a solution which per…
How can I use multiple b-form-radio-group avoiding visual interference among them?
I’m new using Vue and specifically Bootstrap Vue and I’m trying to build a form with multiple radio groups. My problem is that when I change the value in one of them the others don’t change their values (this was checked with Vue DevTools) but visually it looks like none of the values are se…
Why can’t `useCallback` always return the same ref
I don’t understand why useCallback always returns a new ref each time one of the deps is updated. It results in many re-render that React.memo() could have avoided. What is, if any, the problem with this implementation of useCallback? Using this instead of the built-in implementation sure has a signific…
How to filter unique values of array object when in comma separated string
I have this array, where ‘data_type’ holds values in a comma separated string: Original array: How to catch, filter and build new array with all unique values? Target array: Here is a Fiddle: https://jsfiddle.net/grnewkzs/1/ Answer you need to know why and how, or your lean nothing…that̵…
Is it okay to use watch to keep track of store changes after initial mount?
Say I have a component that is loaded with data from an initial API call inside mounted(). Any further changes to a state variable will not be reflected in the component since the first API call is inside mounted. Can we use watcher to deal with this? For Example, Is there a better way of doing this if not th…
Why I get duplicated todos in todo list?
This is the js code When I add a todo for the first time its ok, but the seconed time will print the first todo again include the seconed. example: first todo 2.first todo 3.seconed todo Answer You should make another function to handle single todo added, below is your updated code
How can I recreate the clickable image carousel?
My question is how can I recreate the image menu (actually I don’t eve know what’s the proper name) from this site: https://bacc.cc/ ? The one at the “Discover friends, family, and purpose” section. Is it possible with elementor only or JS is necessary? Thank you. Answer Best to use a …
PayPal smart button switch to subscription / recurring donation
I’ve managed to get the PayPal smart button working, but would like to know if it’s possible to switch the payment button to a subscription programmatically after it’s been rendered? And what the best way to do this is? My plan is to use the smart button for accepting donations on an assignm…
How to handle empty value in React form fields?
Below code is taken from reactjs.org, my question is how to handle the empty value in the below code. Alert should trigger only when there is some input from the user, it should not trigger if the input is empty Answer you should use an if statement at your handleSubmit function this way if value is equal to …