Memory problems with JavaScript + CSS3 animations. How to improve?

I have created a loop of animations. Once one animation is finished, it triggers next one and so on. Seems that when I keep my browser open for 1-2 minutes, it starts to slow down and eating more...

TypeError: 'NoneType' object has no attribute '__getitem__'

I'm having an issue and I have no idea why this is happening and how to fix it. I'm working on developing a Videogame with python and pygame and I'm getting this error: File...

visibility:hidden vs display:none vs opacity:0

I'm currently starting on an animation project. In the project I'll have more than 40000 divs and animate them iteratively. If any of divs are in passive state (i.e. it's not animating at least...

User interface for an OpenGL project?

I am working on an OpenGL project for a solar system using Visual C++. I am done with quite a bit of the coding, but I need to implement it as a user learning module, which includes an overview...

Trying to make a CSS button that grows on hover, with text remaining the same size

Page with buttons here: http://teamcherry.com.au/jam-games/ The effect I'm trying to achieve with the links on this page is that the button expands when hovered, with the text remaining the same...

Play multiple CSS animations at the same time

How can I have two CSS animations playing at different speeds? The image should be rotating and growing at the same time. The rotation will cycle every 2 seconds. The growth will cycle every 4...

How to prevent css keyframe animation to run on page load?

I have a div in which I animate the content: #container { position: relative; width: 100px; height: 100px; border-style: inset; } #content { visibility: hidden; -webkit-animation:...

How to remove bars for those bars with zero value in Chartjs bar chart?

Even if the bars have value of zero in bar chart created using chartjs, they still show a visible bar. This is misleading for my purpose and I would like to have it removed and show nothing there...

Path inside svg is not rotating correctly

I want to make a simple effect with an svg path rotating inside another path. The code is as simple as: #lens { animation: roll 2s infinite; } @keyframes roll { 0% {transform:...

Row animations for NSTableView with Bindings

I have an NSTableView which uses an array controller as binding to a dynamic array and it works great. Now I realized that when I am appending / inserting an element to the array the row is...

Python: Animating a vector using mplot3d and animation

I'm trying to make a 3d plot with Matplotlib and the animation package from matplotlib. In addition, the animation should be a part of a Gui generated using PyQt and Qt-Designer. Currently I'm...

How to remove icon animation for bottom navigation view in android

I have implemented Bottom Navigation View from Design Support Library 25 in my project. I have 5 icons in the view. whenever an icon is selected it's having some animation. But when 3 or fewer...

how do I make triangle collisions with pygame?

I am trying to make a platformer in pygame and I have come across an issue. I can easily make collisions for rectangles and squares but I can't do it for right angle triangles. Is it possible to...

How do you animate the height in react native when you don't know the size of the content?

In react-native, how do you animate the size of a View when you dont know the size of it's contents? Let's say the View's content height can be anywhere from 0-400pts, and the content can grow and...

Chart.js not showing legends

Chart.js isn't showing legends. I'm using version 2.4.0, and I've included the Chart.bundle.min.js script in my website. All of the variables like lineaRoja, puntos, MuPu were defined and the data...

react js : how to animate a text array showing only one item at a time

I am very new to handle animations using ReactJS. I have been trying to animate a text array (ex items: ["Text 1", "Text 2, "Text 3", ...] in such a way that at a given point of time only one is...

How can I add item number on the cart icon at at appBar icon in flutter? And how can I make it animate adding new item?

I want to add item numbers on the cart icon in flutter like this in picture, and want to animate while adding new item to cart. My cart icon is in appBar.

PSPDFKIT : Incorrect response MIME Type

I followed the PSPDFKit React tutorials available here I also copied my files to the /public directory and moved everything except pspdfkit.js from node_modules there and I updated my baseUrl...

how to POP with animation in flutter

i am doing Navigator.pop operation and i want to fade out transition to the page. I have tried Fluro but not Intrested to implement it. This What i doing :- Widget build(BuildContext context)...

Does CSS3 animation create memory leaks?

http://jsfiddle.net/q5yncg61/ .vertical-line { /* will-change: transform; */ stroke-dasharray: 2; -webkit-animation: dash 25s infinite linear; animation: dash 18s infinite...

Vuetify performance issues

I have picked vuetify for an offline PWA project where I work with indexed db and some notable size data (5k-6k/collection). I have to transfer it between vuex and idb after I get them from...

React Tour get wrong position when using with Slide transition in Dialog Material UI

As described, I'm using react-tour to implement a guidance for my project. The First step is a small component that stays inside a <Dialog /> that needs to be highlighted. But due to the...

How to animate/transition text value change in SwiftUI

I am trying to animate value change in a text using withAnimation but it doesn't seem to work. I have come across a similar question but the answer is not animating the text value. I am trying to...

How to immediately stop a lottie animation if button is clicked in xamarin

I have this click event for my button: private void BtnRecord_Clicked(object sender, EventArgs e) { if (BtnRecord.BackgroundColor == Color.Coral) ...

SwiftUI View and UIHostingController in UIScrollView breaks scrolling

When I add a UIHostingController which contains a SwiftUI view as a childView, and then place that childView inside a UIScrollView, scrolling breaks. Here I have my View struct TestHeightView:...

Animated react routes not working with <Switch> component

I am trying to build a simple router for my React application, which would consist of a few routes generated from an array of objects and a static 404 route. The requirement is that transitions...

When using combine in SwiftUI to update a Lottie Animation, it fails to update at the right time and gives an unexpected result

I have this ViewModel that uses combine along with a timer and I want this ViewModel to update a LottieView and filename with a new animation. When the timer counts down I want it to publish and...

How does react-transition-group CSSTransition work?

So I'm trying to use react-transition-group to animate the transition between the different sections of an app. I have the component I want to animate in the CSSTransition component in the...

Autoplay audio player with cookie state. Almost done, need code help to finalize

I need help with custom code on a freshly finished project https://alreadyeverything.co.uk There is an audio player on each page with lottie animation, which remembers the on/off state in the...

Typescript Box produces a union type that is too complex to represent

Rendering a Box produces the following error: Expression produces a union type that is too complex to represent.ts(2590) As I can see here, this is due to having both @mui/material and...