state | Store a certain application state in the session or cache | Architecture library
kandi X-RAY | state Summary
kandi X-RAY | state Summary
This laravel package allows to store a certain application state in either the session or inside a cache.
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Top functions reviewed by kandi - BETA
- Register the service provider .
- Get a state .
- Put a state into the cache .
- Register services .
- Build a state .
- Returns true if the Header has the given name .
- Get the raw data .
- Get the store key .
- Get store accessor .
state Key Features
state Examples and Code Snippets
Community Discussions
Trending Discussions on state
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
I have a navbar that is rendered in every route while the route changes on click.
./components/navbar.jsx
...ANSWER
Answered 2022-Feb-09 at 23:28You are rendering the navbar outside the routing context. The Router
isn't aware of what routes the links are attempting to link to that it is managing. The reason routing works when directly navigating to "/experiences"
is because the Router
is aware of the URL when the app mounts.
QUESTION
I am currently setting up a boilerplate with React, Typescript, styled components, webpack etc. and I am getting an error when trying to run eslint:
Error: Must use import to load ES Module
Here is a more verbose version of the error:
...ANSWER
Answered 2022-Mar-15 at 16:08I think the problem is that you are trying to use the deprecated babel-eslint parser, last updated a year ago, which looks like it doesn't support ES6 modules. Updating to the latest parser seems to work, at least for simple linting.
So, do this:
- In package.json, update the line
"babel-eslint": "^10.0.2",
to"@babel/eslint-parser": "^7.5.4",
. This works with the code above but it may be better to use the latest version, which at the time of writing is 7.16.3. - Run
npm i
from a terminal/command prompt in the folder - In .eslintrc, update the parser line
"parser": "babel-eslint",
to"parser": "@babel/eslint-parser",
- In .eslintrc, add
"requireConfigFile": false,
to the parserOptions section (underneath"ecmaVersion": 8,
) (I needed this or babel was looking for config files I don't have) - Run the command to lint a file
Then, for me with just your two configuration files, the error goes away and I get appropriate linting errors.
QUESTION
Recently I was having a problem installing an npm package (that used node-gyp). I tried upgrading the minor version of node from version 16.13.0 to 16.13.1 and upgrading my angular cli from 13.0.2 to 13.2.0. Once I got the package to install I generated a library with ng g library new-library
. I don't know what what actually broke it, but now whenever I try to build alibrary it produces an error. I try ng build my-lib
and get the below error.
ANSWER
Answered 2022-Jan-30 at 07:21This is a bug in Angular CLI 13.2.0
.
Temporary solution:
Removing content configurating .browserslistrc
file from root project.
more info
QUESTION
Haskell typeclasses often come with laws; for instance, instances of Monoid
are expected to observe that x <> mempty = mempty <> x = x
.
Typeclass laws are often written with single-equals (=
) rather than double-equals (==
). This suggests that the notion of equality used in typeclass laws is something other than that of Eq
(which makes sense, since Eq
is not a superclass of Monoid
)
Searching around, I was unable to find any authoritative statement on the meaning of =
in typeclass laws. For instance:
- The Haskell 2010 report does not even contain the word "law" in it
- Speaking with other Haskell users, most people seem to believe that
=
usually means extensional equality or substitution but is fundamentally context-dependent. Nobody provided any authoritative source for this claim. - The Haskell wiki article on monad laws states that
=
is extensional, but, again, fails to provide a source, and I wasn't able to track down any way to contact the author of the relevant edit.
The question, then: Is there any authoritative source on or standard for the semantics for =
in typeclass laws? If so, what is it? Additionally, are there examples where the intended meaning of =
is particularly exotic?
(As a side note, treating =
extensionally can get tricky. For instance, there is a Monoid (IO a)
instance, but it's not really clear what extensional equality of IO
values looks like.)
ANSWER
Answered 2022-Feb-24 at 22:30Typeclass laws are not part of the Haskell language, so they are not subject to the same kind of language-theoretic semantic analysis as the language itself.
Instead, these laws are typically presented as an informal mathematical notation. Most presentations do not need a more detailed mathematical exposition, so they do not provide one.
QUESTION
Just today, whenever I run terraform apply
, I see an error something like this: Can't configure a value for "lifecycle_rule": its value will be decided automatically based on the result of applying this configuration.
It was working yesterday.
Following is the command I run: terraform init && terraform apply
Following is the list of initialized provider plugins:
...ANSWER
Answered 2022-Feb-15 at 13:49Terraform AWS Provider is upgraded to version 4.0.0 which is published on 10 February 2022.
Major changes in the release include:
- Version 4.0.0 of the AWS Provider introduces significant changes to the aws_s3_bucket resource.
- Version 4.0.0 of the AWS Provider will be the last major version to support EC2-Classic resources as AWS plans to fully retire EC2-Classic Networking. See the AWS News Blog for additional details.
- Version 4.0.0 and 4.x.x versions of the AWS Provider will be the last versions compatible with Terraform 0.12-0.15.
The reason for this change by Terraform is as follows: To help distribute the management of S3 bucket settings via independent resources, various arguments and attributes in the aws_s3_bucket
resource have become read-only. Configurations dependent on these arguments should be updated to use the corresponding aws_s3_bucket_*
resource. Once updated, new aws_s3_bucket_*
resources should be imported into Terraform state.
So, I updated my code accordingly by following the guide here: Terraform AWS Provider Version 4 Upgrade Guide | S3 Bucket Refactor
The new working code looks like this:
QUESTION
I can build on my iOS 15 emulator with no problems, but when building on my iOS 15 Device connected to xcode 13. I get the error:
error Failed to launch the app on simulator, An error was encountered processing the command (domain=com.apple.CoreSimulator.SimError, code=405): Unable to lookup in current state: Shutdown.
Any ideas?
Console:
...ANSWER
Answered 2021-Sep-24 at 16:03do you run your code in an IDE? I faced the same problem today after updating XCode. If I run code in terminal I get other error: CompileSwiftSources normal x86_64 com.apple.xcode.tools.swift.compiler Try this
QUESTION
I am reading this book by Fedor Pikus and he has some very very interesting examples which for me were a surprise.
Particularly this benchmark caught me, where the only difference is that in one of them we use || in if and in another we use |.
ANSWER
Answered 2022-Feb-08 at 19:57Code readability, short-circuiting and it is not guaranteed that Ord will always outperform a ||
operand.
Computer systems are more complicated than expected, even though they are man-made.
There was a case where a for loop with a much more complicated condition ran faster on an IBM. The CPU didn't cool and thus instructions were executed faster, that was a possible reason. What I am trying to say, focus on other areas to improve code than fighting small-cases which will differ depending on the CPU and the boolean evaluation (compiler optimizations).
QUESTION
I have a Create React App with the following .env file:
...ANSWER
Answered 2021-Sep-04 at 10:56Found the root cause: This iframe is used by the hot loader to inject code in the DOM. It is appended and removed immediately after the injection. If an error occurs while this is happening, the hot loader breaks, not removing the iframe.
In my case, it was a Content-Security-Policy error causing an error during the injection.
Just adjusted my policies in my app and it's working fine now.
QUESTION
I'm learning about different memory orders.
I have this code, which works and passes GCC's and Clang's thread sanitizers:
...ANSWER
Answered 2022-Jan-04 at 16:06The thread sanitizer currently doesn't support std::atomic_thread_fence
. (GCC and Clang use the same thread sanitizer, so it applies to both.)
GCC 12 (currently trunk) warns about it:
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