demo | Votes module : This project is a simple demonstration | Dashboard library
kandi X-RAY | demo Summary
kandi X-RAY | demo Summary
Votes module: This project is a simple demonstration of microservices using Springboot integrated with Zipkin. It is a simple project that lists quotes from Marvel movies and users can vote which one of them they like. The application then tally the votes. The demo also presents better observability with Prometheus, Grafana, Loki and Jaeger/Zipkin.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of demo
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demo Examples and Code Snippets
public void run() {
Thread t2 = new Thread(new DemoThreadWS());
t2.start();
try {
t2.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
e.printStackTrace
@Override
public void start(Stage primaryStage) throws Exception {
FXMLLoader loader = new FXMLLoader();
URL xmlUrl = getClass().getResource("/example.fxml");
loader.setLocation(xmlUrl);
Parent root = loader.load()
public static void main(String[] args) throws InterruptedException {
DemoThread obj1 = new DemoThread();
Thread t1 = new Thread(obj1);
t1.start();
// The following sleep will give enough time for ThreadScheduler
Community Discussions
Trending Discussions on demo
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
My bitbucket password is correct because I can easily login with this password. When I try to push a project or file to bitbucket it shows Invalid credentials error.
...ANSWER
Answered 2022-Mar-07 at 11:47Go to credential Manager -> Windown Credential -> Add a generic credential fill up the fields Network address: git:https://bitbucket.org Username: App Password: Solver from Here
QUESTION
e: this has been fixed through Spring Boot 2.6.5 (see https://github.com/spring-projects/spring-boot/issues/30243)
Since upgrading to Spring Boot 2.6.X (in my case: 2.6.1), I have multiple projects that now have failing unit-tests on Windows that cannot start EmbeddedKafka
, that do run with Linux
There is multiple errors, but this is the first one thrown
...ANSWER
Answered 2021-Dec-09 at 15:51Known bug on the Apache Kafka side. Nothing to do from Spring perspective. See more info here: https://github.com/spring-projects/spring-kafka/discussions/2027. And here: https://issues.apache.org/jira/browse/KAFKA-13391
You need to wait until Apache Kafka 3.0.1
or don't use embedded Kafka and just rely on the Testcontainers, for example, or fully external Apache Kafka broker.
QUESTION
When a project is specified only via pyproject.toml
(i.e. no setup.{py,cfg}
files), how can it be installed in editable mode via pip
(i.e. python -m pip install -e .
)?
I tried both setuptools
and poetry
for the build system, but neither worked:
ANSWER
Answered 2022-Mar-19 at 23:06PEP 660 – Editable installs for pyproject.toml based builds defines how to build projects that only use pyproject.toml
. Build tools must implement PEP 660 for editable installs to work. You need a front-end (such as pip ≥ 21.3), backend. The statuses of some popular backends are:
QUESTION
I'm using xcode 13 and making a demo on coredata.
objc[6188]: Class _PathPoint is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore (0x114a8fa78) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/TextInputUI.framework/TextInputUI (0x12cd4a8b0). One of the two will be used. Which one is undefined.
objc[6188]: Class _PointQueue is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore (0x114a8fa50) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/TextInputUI.framework/TextInputUI (0x12cd4a8d8). One of the two will be used. Which one is undefined.
...ANSWER
Answered 2021-Nov-17 at 17:31Apple developer Quinn “The Eskimo!” @ Developer Technical Support @ Apple answered this question here:
This is not an error per se. Rather, it’s the Objective-C runtime telling you that:
- Two frameworks within your process implement the same class (well, in this case classes, namely _PathPoint and _PointQueue).
- The runtime will use one of them, choosing it in an unspecified way.
This can be bad but in this case it’s not. Both of the implementations are coming from the system (well, the simulated system) and thus you’d expect them to be in sync and thus it doesn’t matter which one the runtime uses.
So, in this specific case, these log messages are just log noise.
QUESTION
A simple question: is enum { a } e = 1;
valid?
In other words: does assigning a value, which isn't present in the set of values of enumeration constants, lead to well-defined behavior?
Demo:
...ANSWER
Answered 2022-Feb-05 at 14:09From the C18 standard in 6.7.2.2:
Each enumerated type shall be compatible with char, a signed integer type, or an unsigned integer type. The choice of type is implementation-defined, but shall be capable of representing the values of all the members of the enumeration.
So yes enum { a } e = 1;
is valid. e
is a 'integer' type so it can take the value 1
. The fact that 1
is not present as an enumeration value is no issue.
The enumeration members only give handy identifiers for some of possible values.
QUESTION
In the following code struct A
has two implicit conversion operators to char
and int
, and an instance of the struct is compared for equality against integer constant 2
:
ANSWER
Answered 2022-Jan-21 at 19:00This is CWG 507. An example similar to yours was given, and the submitter explained that according to the standard, the overload resolution is ambiguous, even though this result is very counter-intuitive.
Translating to your particular example, when comparing operator==(int, int)
and operator==(float, int)
to determine which is the better candidate, we have to determine which one has the better implicit conversion sequence for the first argument (obviously in the second argument, no conversion is required). For the first argument of operator==(int, int)
, we just use A::operator int
. For the first argument of operator==(float, int)
, there is no way to decide whether to use A::operator int
or A::operator char
, so we get the "ambiguous conversion sequence". The overload resolution rules say that the ambiguous conversion sequence is no better or worse than any other user-defined conversion sequence. Therefore, the straightforward conversion from A{}
to int
(via A::operator int
) is not considered better than the ambiguous conversion from A{}
to float
. This means neither operator==
candidate is better than the other.
Clang is apparently following the letter of the standard whereas GCC and MSVC are probably doing something else because of the standard seeming to be broken here. "Which compiler is right" depends on your opinion about what the standard should say. There is no proposed resolution on the issues page.
I would suggest removing operator char
unless you really, really need it, in which case you will have to think about what else you're willing to give up.
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 can confirm this issue happened in flutter above 2.5. Using 2.2.3 is fine. The question becomes why this feature been removed in 2.5 ? And how to enable it in flutter 2.5?
[Origin Question]I'm using SingleChildScrollView on flutter web with desktop browser. Scrolling only works on mouse wheel but not on mouse click (drag). How can I map mouse click to touch and scroll like mobile?
...ANSWER
Answered 2021-Sep-18 at 12:19Flutter change mouse scroll behavior after 2.5. See this for detail.
QUESTION
In the following code struct A
has immediate function default constructor, and an object of the struct is created in the dynamic memory be means of new A{}
:
ANSWER
Answered 2022-Jan-17 at 17:51Which compiler is right here?
Invoking a consteval
constructor with new
is ill-formed.
MSVC and GCC are right to reject it; clang is wrong as a diagnostic is required.
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