electron | Provides handy functionality for running electron apps
kandi X-RAY | electron Summary
kandi X-RAY | electron Summary
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QUESTION
Why an old layout information is needed for setting a new layout for an image.
As far as I understand, when setting an image layout, it became in specific memory arrangement tend for optimal need. So the new layout is not dependent on what was before. A memory layout for transfer reading (VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL) is always the same and it doesn't matter what layout was before, isn't it?
But even if the old layout information is needed for transition operation (because of some reason) - still, GPU hardware/driver knows the electronics circuits condition (memory layout in this case), so why do we need to give it an information it knows ?
...ANSWER
Answered 2021-Jun-15 at 10:01A memory layout for transfer reading (VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL) is always the same and it doesn't matter what layout was before, isn't it?
It does, if you want to convert it from the previous layout without losing the data. Otherwisely you indeed can use oldLayout=VK_IMAGE_LAYOUT_UNDEFINED.
still, GPU hardware/driver knows the electronics circuits condition (memory layout in this case)
It's not "electronic circuit". Potentially it's just a haystack of bits in RAM.
Anyway. One paradigm of Vulkan is that it tries not to enforce memoization. Specifically it will often not remember state that is not part of vkCreate*. I think there is some functional programming influence...
QUESTION
I have spent some hours playing with Electron and I have observed that it consistently takes more than 2.5 seconds to draw a trivial html file to the screen. The timeline is roughly as follows:
- 60 ms: app
readyevent is triggered; we create a window usingnew BrowserWindow() - 170 ms: a blank window appears on the screen
- 2800 ms: the window shows the specified HTML
I have set up a repository with my code, which is derived from Electron's quick start docs.
Regarding my machine, I am running Windows 10 on a ThinkPad T460 from 2016 with a SSD and enough memory.
QuestionsShipping an application that shows a blank window for so long upon startup is a no-go for me. I assume most people developing Electron apps think similarly. Hence my first question: am I doing something wrong? Or is this the expected loading time for a trivial Electron app?
Assuming this is normal behavior, what is the common way to deal with this problem? Some ideas come to mind:
- Asking Electron to show a splash screen: unless there is specific built-in functionality for this, it seems like a no-go, since the splash screen itself would be shown only after 2.5 seconds.
- Hide the app's window until it is rendered (using the
ready-to-showevent), so no blank window is shown. This isn't ideal, since it means that the user doesn't get any feedback whatsoever that the application is actually loading. - Create a wrapper application (using native code) that displays a splash screen, launches electron and hides itself once the electron window is shown. Kind of defeats the purpose of using Electron in the first place, because you end up writing native code and adding accidental complexity.
- Setting the background color of the window to something resembling your app, as suggested by the docs. This just doesn't look very well.
Given this must be a common problem, I hope standard solutions have been found by the community. I'd be glad if someone can point me in the right direction.
...ANSWER
Answered 2021-Jun-14 at 02:38What if you hid your window until it's ready to show, then show your window, and while your window's hidden show a loading spinner.
First only show your main window until after it's ready:
QUESTION
I'm currently building a desktop application with Electron and React.
Right now I'm adding a menu feature which toggles the dark mode of the app. In my React app, I'm using a hook which toggles the dark mode. I want to trigger that React hook right after the user has clicked on the menu item.
This is what I've done so far:
menu.ts:
...ANSWER
Answered 2021-Jun-13 at 08:37Try setting up the toggle-dark-mode event handler once when you start your Electron app.
Your code doesn't need to be in the ready event even.
QUESTION
In the following example, how would one utilize flex classes to make columns no.3 and 4 the same height as columns no.1 and 2? Without Javascript, that is.
More specifically, how would I make the height of all columns change automatically to the height of the column with the biggest content?
...ANSWER
Answered 2021-Jun-14 at 18:22If you want to use it, there is a plugin for just that.
QUESTION
I am trying to use pkcs11js in an electron app created with electron-forge using webpack template.
But I got the error
...ANSWER
Answered 2021-Jun-14 at 10:30You should use the Electron Forge Webpack template which has better support for native modules.
There is currently an open issue for this functionality caused by the outdated/unmaintained @marshallofsound/webpack-asset-relocator-loader which caters for native modules via Webpack. I'm currently working on a PR to fix this but in the meantime you can use my updated fork.
QUESTION
I have csv file: Lets call it product.csv
...ANSWER
Answered 2021-Jun-13 at 20:31I don't think you have O(n) complexity, but a O(n^2), which means that for 100k lines your code will run for 220 minutes, not 22. What makes it worse is that you are reading the file each time you call findPreviousProduct. I would suggest first loading csv into memory and then searching it:
QUESTION
Im using Typescript, Electron, Webpack and NodeJS to make a webapp but for some reason the import/export isnt working properly.
The error im receiving is:
"Warning: React.createElement: type is invalid -- expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's defined in, or you might have mixed up default and named imports."
Ive tripled checked my imports and exports and the component is still undefined when its called.
Console.Log Output of appView.tsx imported component:
File Structure:
...ANSWER
Answered 2021-Jun-14 at 04:23*Edited
My mistake was thinking that the webpack ts-loader would take context from from ts-config file and transpile the typescript according to that and webpack the content into the final bundle. Upon looking at my question again ive realised i put the index.tsx file as my entry point which is why i was still getting a bundled webpack file but my imports were undefined the only file being webpack was my index file i believe. That combined with the single file output tsc seems to have been the cause.
tsc was creating a bundle of my typescript.
webpack was creating a bundle of just my index.tsx file
Problem entry: './src/index.tsx' & "outFile": "./dist/main.js"
QUESTION
I do have an Electron + React project which I inherited from another developer. in the index.js there are a couple of imports that WebStorm is saying it cannot find, however, the application compiles and works as needed.
and here is the structure of the folders relative to index.js
How do I make WebStorm happy and make it see the imports and navigate properly to them?
I tried to use exports section in the package.json like this
ANSWER
Answered 2021-Jun-12 at 10:40Right-click on src directory and select Mark Directory as | Resource Root.
QUESTION
is there a way to retrieve a tree structure of a GUI layout from a tcl/tk application? I am trying to retrieve a screen layout so that I would convert this to an html/electron application.
Any suggestions would be nice.
...ANSWER
Answered 2021-Jun-11 at 19:12The basic structure of the widget hierarchy can be obtained by using winfo children and basic recursion:
QUESTION
Here is some info about the machine I'm using:
- Node v14.17.0
- Electron v13.1.2
- Win 10 21H1
- Yarn 2.4.2
I'm trying to get my project here at: https://github.com/Cokaps/GenZOC working but I've ran to this issue:
When I run electron-forge start, it shows an error here:
ANSWER
Answered 2021-Jun-11 at 15:32Did you try loading like this in webpack.renderer.js:
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