bind | binding HTTP request parameters to Go objects | HTTP library
kandi X-RAY | bind Summary
kandi X-RAY | bind Summary
bind is a library for binding HTTP request parameters to Go objects.
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Top functions reviewed by kandi - BETA
- bindSlice binds a struct to dst .
- bindStruct tries to bind a struct to a struct .
- init initializes all of the values .
- bindFile binds a file to dst .
- valueBinder returns a function that maps a value to a Binder .
- bindByteArray binds a byte array into dst .
- bindBool bind val to dst
- bindTime binds a time . Time struct to dst .
- binderForType returns the binder function for the given type .
- bindUint converts val to a uint value .
bind Key Features
bind Examples and Code Snippets
Community Discussions
Trending Discussions on bind
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 two WheelPickers contained inside a HStack for 'hour' and 'min'. Each Picker is set within a frame(width: 50, height: 30) and additionally clipped.
In iOS14, it behaved as expected and I could scrolled the 'hour' picker to change the hour and 'minute' picker to change the mins.
HOWEVER in iOS15, the 'minute' wheelpicker is extended beyond the frame width of 50 and overlapped into the 'hour' picker; if I scroll on the 'hour' picker, the 'mins' value changes (instead of 'hour' value), if I scroll on 'minute' picker, it changes the 'mins' as expected. If I touch on the far left outside the 'hour' picker, then the 'hour' value changes.
Anyone has the same issue and any workaround for this issue?
I came across a workaround to add 'mask(rectangle()' and tried it, but it did not work on iOS15.
...ANSWER
Answered 2021-Sep-09 at 23:46In NumberPicker
try adding compositingGroup
just before clipped(...)
as:
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
Apparently throwError(error)
is now deprecated. The IntelliSense of VS Code suggests throwError(() => new Error('error')
. new Error(...)
accepts only strings. What's the correct way to replace it without breaking my HttpErrorHandlerService
?
ANSWER
Answered 2021-Aug-04 at 19:08Instead of this:
QUESTION
After updating Android Studio to Arctic Fox and Android Gradle plugin to 7.0.0 I'm facing this warning, I mean the app can be built successfully nonetheless of this warning but what I am missing here? What's the problem here?
According to the official View Binding reference, I'm enabling it the right way. here is my build.gradle if anyone is interested in checking.
There are some related questions but I don't think they are relevant in this situation.
...ANSWER
Answered 2022-Jan-06 at 11:08Remove equal sign. On the screenshot you use Kotlin configuration, but Groovy is needed here. See the difference:
QUESTION
Haskell provides a convenient function forever
that repeats a monadic effect indefinitely. It can be defined as follows:
ANSWER
Answered 2022-Feb-05 at 20:34The execution engine starts off with a pointer to your loop, and lazily expands it as it needs to find out what IO
action to execute next. With your definition of forever
, here's what a few iterations of the loop like like in terms of "objects stored in memory":
QUESTION
So I've recently learned about universal references and reference collapsing.
So let's say I have two different implementations of a max function like such.
...ANSWER
Answered 2022-Jan-16 at 18:47The first one should probably be:
QUESTION
I am trying to define a function that takes a data frame or table as input with a specific number of ID columns (e.g., 2 or 3 ID columns), and the remaining columns are NAME1, NAME2, ..., NAMEK (numeric columns). The output should be a data table that consists of the same ID columns as before plus one additional ID column that groups each unique pairwise combination of the column names (NAME1, NAME2, ...). In addition, we must gather the actual values of the numeric columns into two new columns based on the ID column; an example with two ID columns and three numeric columns:
...ANSWER
Answered 2021-Dec-29 at 11:06Attention:
Here is an inspiring idea which is not fully satisfy OP's requirement (e.g., ID.new and number order) but I think it worth to be recoreded here.
You can turn DT
into long format by melt
firstly.
Then to shift
value with the step -nrow(DT)
in order to do
the minus operation, i.e. NAME1 - NAME2, NAME2 - NAME3, NAME3 - NAME1
.
QUESTION
I'm currently studying Jetpack Compose in an attempt to build a feature-rich application using modern Android architecture components. Traditionally, each screen (or navigation unit) in my application would be either an activity or a fragment, each with its own lifecycle bindings, but with Jetpack Compose and the Compose Navigation library, I would do something like this:
MainActivity.kt
:
ANSWER
Answered 2021-Aug-29 at 04:50The Compose application is designed to be used in a single-activity architecture with no fragments.
You can still have multiple activities or fragments and use setContent
in each of them, but in this case the transfer of data between activities falls on your shoulders. Use this approach if you're adding new Compose screens to an existing application built the old way.
But with Compose, it's much easier to do all the navigation within a single activity using Compose Navigation. Much less code, better performance due to no unnecessary code layers, easy to transfer data, etc.
To work with the view lifecycle, check out compose side-effects:
LaunchedEffect
can be used to execute an action when the view appears. It also runs on a coroutine context that is bound to the current composable: you can easily run suspend functions, and when the view disappears from view hierarchy - the coroutine will be canceled.DisposableEffect
can be used to subscribe to/unsubscribe from callbacks.
When you rotate the screen, all effects will restart no matter which key you passed.
QUESTION
ANSWER
Answered 2021-Dec-08 at 14:08macOS Monterey introduced AirPlay Receiver running on port 5000. This prevents your web server from serving on port 5000. Receiver already has the port.
You can either:
- turn off AirPlay Receiver, or;
- run the server on a different port (normally best).
Turn off AirPlay Receiver
Go to System Preferences → Sharing → Untick Airplay Receiver.
You should be able to rerun the server now on port 5000 and get a response:
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