Initialize @StateObject with a parameter in SwiftUI
I would like to know if there is currently (at the time of asking, the first Xcode 12.0 Beta) a way to initialize a @StateObject with a parameter coming from an initializer. To be more specific, this snippet of code works fine: struct MyView: View { @StateObject var myObject = MyObject(id: 1) } But this does not: struct MyView: View { @StateObject var myObject: MyObject init(id: Int) { self.myObje
THREE.js blur the frame buffer
I need to blur the frame buffer and I don't know how to get the frame buffer using THREE.js. I want to blur the whole frame buffer rather than blur each textures in the scene. So I guess I should read the frame buffer and then blur, rather than doing this in shaders. Here's what I have tried: Call when init: var renderTarget = new THREE.WebGLRenderTarget(512, 512, { wrapS: THREE.RepeatWrapping, wr
How to draw circle in unity by shader and anti-aliasing
I have drawn a circle by shader, but I can't get anti-aliasing to work. I tried finding an answer here http://answers.unity3d.com/questions/521984/how-do-you-draw-2d-circles-and-primitives.html, but I have to use discard to draw circle. Here is a picture of my current shader result and the shader code: Shader "Unlit/CircleSeletor" { Properties { _BoundColor("Bound Color", Color) = (1,1,1,1) _BgCol
Use multiple local strategies in PassportJS
I'm trying to use multiple LOCAL strategies with PassportJS. I'm not trying to use local, facebook, and gmail, etc. I have two sets of users stored in separate objects and I want to use a local strategy to authenticate both. As it stands, I cannot use the same local strategy for both because they have different object properties which has me querying different objects. Is there any way to do this?
How to preserve identifierForVendor in ios after uninstalling ios app on device?
I am developing an iOS app which calls web-service for login and at that time i send login credentials to web server along with vendor identifier (identifierForVendor),to identify device uniquely for those credentials.So user can have only one device and one credential. I got identifierForVendor with NSString *uuid = [[UIDevice currentDevice] identifierForVendor].UUIDString This identifier will th
How to find topmost view controller on iOS
I've run into a couple of cases now where it would be convenient to be able to find the "topmost" view controller (the one responsible for the current view), but haven't found a way to do it. Basically the challenge is this: Given that one is executing in a class that is not a view controller (or a view) [and does not have the address of an active view] and has not been passed the address of the t
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