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kandi X-RAY | events Summary
Toy application displaying the power of docker-compose and modular web application design.
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QUESTION
This question is about two MAUI controls (Switch
and ListView
) - I'm asking about them both in the same question as I'm expecting the root cause of the problem to be the same for both controls. It's entirely possible that they're different problems that just share some common symptoms though. (CollectionView
has similar issues, but other confounding factors that make it trickier to demonstrate.)
I'm using 2-way data binding in my MAUI app: changes to the data can either come directly from the user, or from a background polling task that checks whether the canonical data has been changed elsewhere. The problem I'm facing is that changes to the view model are not visually propagated to the Switch.IsToggled
and ListView.SelectedItem
properties, even though the controls do raise events showing that they've "noticed" the property changes. Other controls (e.g. Label
and Checkbox
) are visually updated, indicating that the view model notification is working fine and the UI itself is generally healthy.
Build environment: Visual Studio 2022 17.2.0 preview 2.1
App environment: Android, either emulator "Pixel 5 - API 30" or a real Pixel 6
The sample code is all below, but the fundamental question is whether this a bug somewhere in my code (do I need to "tell" the controls to update themselves for some reason?) or possibly a bug in MAUI (in which case I should presumably report it)?
Sample codeThe sample code below can be added directly a "File new project" MAUI app (with a name of "MauiPlayground" to use the same namespaces), or it's all available from my demo code repo. Each example is independent of the other - you can try just one. (Then update App.cs
to set MainPage
to the right example.)
Both examples have a very simple situation: a control with two-way binding to a view-model, and a button that updates the view-model property (to simulate "the data has been modified elsewhere" in the real app). In both cases, the control remains unchanged visually.
Note that I've specified {Binding ..., Mode=TwoWay}
in both cases, even though that's the default for those properties, just to be super-clear that that isn't the problem.
The ViewModelBase
code is shared by both examples, and is simply a convenient way of raising INotifyPropertyChanged.PropertyChanged
without any extra dependencies:
ViewModelBase.cs:
...ANSWER
Answered 2022-Apr-09 at 18:07These both may be bugs with the currently released version of MAUI.
This bug was recently posted and there is already a fix for the Switch to address this issue.
QUESTION
When i tried to install truffle i got these errors :-
I have installed Node.js earlier and also i have pip installed.
...ANSWER
Answered 2022-Jan-26 at 17:42Here are some references that might help:
Try installing Truffle via PowerShell in Admin mode (very important that you're in Admin mode)
You'll need to allow scripts to run as an Admin in PowerShell. To do this, here are some references in the threads in Stack Overflow:
Enable Execution of PowerShell Scripts
I ran the command Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Bypass -Force
in PowerShell to get this to work, but please reference the threads above before doing this.
QUESTION
Has anyone ever come across this issue?
When using react-scripts start
, everything seems ok on first load. As soon as a change is made to a file, all the mouse event seem to stop working (can't click on buttons, inputs, no tooltips etc.), even though the browser appears to update.
If I refresh the page the events work again, until a file is changed.
This isn't a problem in production as the watcher isn't involved there.
Any ideas?
EDIT:
I've found the problem but I'm not sure what the solution is.
It appears that a iFrame is added to the DOM when the watcher reloads. It looks like it has something to do with licenses. The body within the iFrame is empty but there is some minified JS with a comment on the top line:
/*! For license information please see iframe-bundle.js.LICENSE.txt */
Does anyone know how to prevent this iFrame appearing.
...ANSWER
Answered 2022-Jan-19 at 13:01This is what fixed it for me:
QUESTION
After updating lifecycle
library to 2.4.0 Android studio marked all Lifecycle events as deprecated.
ANSWER
Answered 2021-Dec-16 at 18:53It's deprecated because they now expect you to use Java 8 and implement the interface DefaultLifecycleObserver. Since Java 8 allows interfaces to have default implementations, they defined DefaultLifecycleObserver with empty implementations of all the methods so you only need to override the ones you use.
The old way of marking functions with @OnLifecycleEvent
was a crutch for pre-Java 8 projects. This was the only way to allow a class to selectively choose which lifecycle events it cared about. The alternative would have been to force those classes to override all the lifecycle interface methods, even if leaving them empty.
In your case, change your class to implement DefaultLifecycleObserver and change your functions to override the applicable functions of DefaultLifecycleObserver. If your project isn't using Java 8 yet, you need to update your Gradle build files. Put these in the android
block in your module's build.gradle
:
QUESTION
My .eslintrc.json
is:
ANSWER
Answered 2022-Jan-11 at 17:06It looks like you have defined custom paths in your TypeScript config (usually tsconfig.json
). The import
plugin doesn't know about the correct location of the TypeScript config and hence cannot resolve those paths. What you need to do, is to specify the correct path to your TypeScript config via the project
parameter in the resolver options:
QUESTION
I just upgraded an environment with nrwl from angular version 11 to 12 with two angular applications and several libraries. After update when I try to compile using optimization settings:
angular.json
...ANSWER
Answered 2022-Jan-31 at 19:50Reason of the issue
It is expected browserslist to return an entry for each version ("safari 15.2", "safari 15.3") instead of a range ("safari 15.2-15.3"). So, this is just a bug in the parsing logic of Safari browser versions which needs to be corrected and will be done soon in fixed versions of Angular 12/Angular 13. Link to details is here.
IMPORTANT UPDATE:
This is fixed in v12.2.16 and v13.2.1, please update if you are experiencing this issue. Users on v11 shouldn't be affected. Link to details is here. If you can not/do not want to update for any reason, then one of the workarounds below can be used.
Workarounds:
Modify .browserslistrc
Add to .browserslistrc such lines:
QUESTION
In vuejs2 app having select input with rather big options list it breaks design of my page on extra small devices. Searching in net I found “size” property, but that not what I I need : I want to have dropdown selection, which is the default. Are there some other decision, maybe with CSS to set max-height of dropdown selection area.
Modeified PART # 1: I made testing demo page at http://photographers.my-demo-apps.tk/sel_test it has 2 select inputs with custom design and events as in this example link How to Set Height for the Drop Down of Select box and following workaround at js fiddle:
...ANSWER
Answered 2022-Jan-15 at 16:00Unfortunately, you cannot chant the height of a dropdown list (while using ).
It is confirmed here.
you can build it yourself using divs & v-for (assuming you get the list from an outsource) and then you can style it as you wish.
apologies for barring bad news.
QUESTION
I was able to build a multiarch image successfully from an M1 Macbook which is arm64. Here's my docker file and trying to run from a raspberrypi aarch64/arm64 and I am getting this error when running the image: standard_init_linux.go:228: exec user process caused: exec format error
Editing the post with the python file as well:
...ANSWER
Answered 2021-Oct-27 at 16:58A "multiarch" Python interpreter built on MacOS is intended to target MacOS-on-Intel and MacOS-on-Apple's-arm64.
There is absolutely no binary compatibility with Linux-on-Apple's-arm64, or with Linux-on-aarch64. You can't run MacOS executables on Linux, no matter if the architecture matches or not.
QUESTION
I'm trying to run cypress on a WSL with Ubuntu, this is what I'm getting:
...ANSWER
Answered 2021-Oct-19 at 14:32Cypress requires the ability to run its GUI. Depending on your Windows version, you likely need some additional configuration in order to run GUI applications in WSL:
For all Windows releases, make sure you install the required dependencies:
QUESTION
We're facing an issue where any event listeners or global variables we attach to window
does not seem to be there in our production
build (but they are there in the development
build).
- Webpack config: https://gist.github.com/saadq/9f2f800c88716d11410e63859382f47d
- Build script:
webpack --mode=production
Context:
We have a use case where our webapp renders inside a parent app. The parent app basically needs to tell us when we need to render our app. To do this, we have tried using event listeners as well as global functions.
How our app is loaded into the parent appTo render our webapp inside the parent app, the following happens:
- The parent app makes an HTTP call to
myappwebsite.com/asset-manifest.json
. This is like the defaultasset-manifest.json
that gets created for anycreate-react-app
webapp. - The parent app finds the path to the main
bundle.js
from this asset manifest, and then makes an HTTP call to fetch ourbundle.js
using this path (e.g.myappwebsite.com/bundle.js
). - They dynamically inject a
script
tag into theirhead
with itssrc
set to ourbundle.js
to load our app's bundled javascript. - They listen for the
onload
event of this newscript
element before trying to call any of our code or dispatching any events.
Child app:
...ANSWER
Answered 2021-Sep-13 at 20:19Add a node entry with global: true
to your config:
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