Java - Transparent JScrollPane

I have a JTextArea and it's riding on top of a JScrollPane. Anyways, I know I can use the getViewPort() method to set the opaque property of the viewport, but I cannot seem to find any sign of how...

How do CSS triangles work?

There're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle: #triangle-up { width: 0; height: 0; border-left: 50px solid...

Programmatically create a UIView with color gradient

I'm trying to generate a view with a gradient color background (A solid color to transparent) at runtime. Is there a way of doing that?

Hide content underneath a transparent div while scrolling

Edit with possible solution below the code The site has a full page video. Scroll action: not to display content which is located 250px or less from the top — so 250px of top of the video is...

addTarget not working for UIButton created in Swift

So, I've created a UIButton using Swift, and I animate it and it's superview using the following code: override func viewDidLoad() { super.viewDidLoad() // Do any additional setup...

Draw 2 scenes in the same canvas - three.js

I want to have 2 scenes with a camera added to each and I want them to be painted in the same canvas (but not to divide this canvas). I curently use 2 renderers that paint in the same canvas...

How to set background color of view transparent in React Native

This is the style of the view that i have used backCover: { position: 'absolute', marginTop: 20, top: 0, bottom: 0, left: 0, right: 0, } Currently it has a white background. I...

Android CardView with weird border when transparent

I'm having some trouble with CardView transparency and card_elevation. Trying to use a CardView transparent the result is: Without transparency: What I'm trying to get is something like...

Border around transparent button

I am trying to create a border with round corners on transparent button like this: here is my transparent.xml <?xml version="1.0" encoding="utf-8"?> <selector...

Close react native modal by clicking on overlay?

Is it possible to close react native modal by clicking on overlay when transparent option is true? Documentation doesn't provide anything about it. Is it possible?

edge is not displaying background color on a:link

https://fivosm.github.io/ tested on ie, firefox, chrome works fine, the a:link's background is red. In edge though the background is not red until I hover over it. I don't know where to start, my...

Broadcasting, laravel-echo-server not receiving events

I'm using Laravel in a project and I want to use broadcasting with laravel-echo-server and Redis. I have set up both in a docker container. Output below: Redis redis_1 | 1:C 27...

React Navigation default background color

I'm using react-navigation and stack-navigator to manage my screens. Platforms I'm using: Android React Native: 0.47.1 React Navigation: 1.0.0-beta.11 Emulator and Device I have a screen, *which...

Invariant Violation: ScrollView child layout (["justifyContent"]) must be applied through the contentContainerStyle prop

[The Error image 1] Current Behaviour I receive this image if I am trying to nest a ScrollView within the View. Expected Behaviour Since the KeyBoardAvoidingView pushes the input boxes to the top...

ChromaKey video in ARKit

I am trying to chroma key a video in ARKit, and I have done very similar to what @Felix has done here:...

How to Have a Transparent Status Bar but Leave Navigation Bar Opaque?

I want to have a transparent status bar on my app (so the background goes behind it) but I want the navigation bar at the bottom to stay black. I can make both transparent by setting...

How to trigger an SVG animation with JavaScript? (No jQuery)

I have an SVG line path animated with this sample I found: svg { position: absolute; width: 100%; height: 100%; left: 0%; top: 0%; display: block; background: transparent; } .path...

How can I combine a transparent background image in png format with jpg images using opencv_createsamples?

I'm currently working on a project that consist of detecting a hand in a given image using OpenCV commands,and due to lack of positive images, I tried to create them artificially with the command...

How to set background image with react native and react navigation?

I'm using react native with react navigation v3, and I'm trying to set a background image to my entire app. But for some reason the image doesn't display. If I'm wrapping my Home component the...

Angular create vertical timeline

I would like to create a Responsive vertical timeline as shown below. sorry, I am backend developer not that strong in CSS. I was able to achieve something as shown below Currently, I am...

how to fix png image onto another image with opencv with transparent background

I want to add glasses PNG image onto another image, but i get the PNG image with white background which hides the face. I need to know what i did wrong please. Original face image Original...

Android how to set background color on a Button

I am trying to change the background color of a Button. I'm in Kotlin on SDK 21 on emulator. A View and a Button are declared in the layout XML file <View android:id="@+id/myview" ...

Collapsing Toolbar Layout with search bar

I had a problem with creating something like a search bar on my collapsing toolbar. Here is the problem: First, I create a collapsing...

Cannot intercept touch on overlay service

I am trying to block touch on a device using service and a transparent overlay. The code seems to work fine on Android Oreo but doesn't work properly on devices running Android version below...

Unity shader graph 10.5.1 - texture 2D big issues

people. I want to put a sprite over other using shader graph, like in this tutorial. But after I do the spritesheet, the emission map, create the shader graph and the related material, add the...

How to make smoother borders using Fragment shader in OpenGL?

I have been trying to draw border of an Image with transparent background using OpenGL in Android. I am using Fragment Shader & Vertex Shader. (From the GPUImage Library) Below I have added Fig. A...

Chrome is forcing a white background on frames only on some websites

I'm building a Web Extension that injects a local page and I reached a strange Chrome limitation on some websites: I can't set the iframe to be transparent: Try this on GitHub.com (after login)...

Google Chrome Update - Issue with copying code from Inspector CSS

I have no idea why this has started happening but it is very annoying... Basically, now when I copy CSS from Google Chrome Inspector, it formats it as follows: border-radius: 50%; width:...

Metal GPU frame time behaves unintuitively

i've ran into an interesting performance issue with Metal in my own app which i've been able to reproduce by only making small adjustment to this example project. my view has a size of roughly...

new line after end of current line causing creating of new prompt

I was working with xtermjs to make an in browser terminal and everything works fine except for 1 bug I have in my code which I can't figure out. The problem is when a user types in terminal and...