I am using vuejs with rails webpacker and turbolinks. I want to calculate the correct height of the iframe element on the initial page load. Currently, I am getting the height of the element when I manually refresh the page, and when someone navigates from any other pages to the page where the iframe element is located, the height of
Can I use ActionCable to refresh the page?
I’ve recently been trying to create a live-scoring system for squash matches. I’ve managed to use ActionCable with Rails 5 to auto-update the score on the page, but I’d like to know if it’s possible to tell Rails to refresh the page if a certain condition is met. For example, if the game has finished, a different page is shown
TypeORM fails to connect without any error message
I am trying to get started with TypeORM, but cannot get createConnection to work. I run the default tpyeorm init server file, but there is not error or logging shown, nor is the postgres DB updated. index.ts ormconfig.json (note: I changed the postgres password to ‘root’) running start gives the following output: Note that none of the other logging statements
nodejs MySQL – Server requests authentication using unknown plugin
When attempting to connect to MySQL 8.0.21 server running Ubuntu 20.04 using NodeJS and mysql2 package, I receive the common error below: Server requests authentication using unknown plugin sha256_password I know that mysqljs and mysql2 do not support sha256, so I confirmed my user was setup for mysql_native_password: And have confirmed that default_authentication_plugin is set as mysql_native_password. What makes this
ENOENT: no such file or directory when installing react-navigation in react-native project
I’m getting a few errors while I’m installing react-navigation in my react native project with npm install @react-navigation/native The installation goes halfway and stops for a couple minutes and puts this error out. Can someone please help me solve this problem The navigation.navigate(”) is not working whenever I am trying to navigate a button to another screen. I feel like
Password regex that requires “at least two of” certain characters
Im working on javascript regex which includes having following conditions. So far with no luck. -The minimum character count allowed is 8. -The maximum character count allowed is 64. -The entered text should include at least two of the following – numbers, lowercase letters, uppercase letters, Special characters. -Entering symbols will not be supported. So far what I have is
Javascript – recursively remove nodes of a certain type from tree, but reattach and spread eligible children
I’m writing a recursive function on a JSON tree {name, type, [children]} to remove nodes of a certain type. However, the children of the removed node should get re-attached to the parent, if they are not of the type to be removed. I’m experiencing the following difficulty: Let’s say I want to remove type b on the following tree: The
Debugging React Context rerenders
I am trying to optimize my React app in order to remove unnecessary renders. Please refer to this Snack for an example: https://snack.expo.io/bUZpyw0kH In this example app, there are two state variables stored in context. One of these values is updated every second, the other never changes. What I am trying to wrap my head around is why console.log(‘rerender’); is
Random image from html on button click
I am trying to make a script that will take the images from one div element and put it to div rndmImage randomly on button click, I should see images when document is loaded, but the new div where images should go after click must be empty until click heapends. And I need only JavaScript, no jQuery, alse i can
I need a to get a value in a map so that its key that includes a value
I want to do something like: I’ve tried a bunch of stuff, like using Array.has() and Array.includes(), but I just can’t. I’m new here and in coding, so sorry if i messed something up or if the solution is absurdly easy. Answer Map Api doesn’t support anything of this sort out of the box. Here is one of the ways