hub | Hub de links para conteúdo

by MonkeyNights HTML Version: Current License: MIT

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kandi X-RAY | hub Summary

hub is a HTML library typically used in Video, Xamarin applications. hub has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Hub de links para conteúdo (artigos, videos, tutoriais, samples codes) brasileiro sobre Xamarin

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hub has a low active ecosystem.

It has 20 star(s) with 10 fork(s). There are 8 watchers for this library.

It had no major release in the last 6 months.

hub has no issues reported. There are 2 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of hub is current.

Quality

hub has no bugs reported.

Security

hub has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

hub is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

hub releases are not available. You will need to build from source code and install.

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hub Key Features

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hub Examples and Code Snippets

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Community Discussions

Trending Discussions on hub

MVVM WPF - How to update DataGrid bound to ObservableCollection

pickle a list as UTF-8

Can different network be the cause for UnreachableBrowserException exception?

Delete selected row in DataGrid bound to an ObservableCollection

Azure Data Explorer High Ingestion Latency with Streaming

Do I need nginx image when i use nginx ingress in kubernetes?

s.bind((hostIPAddress,22)) OSError: 99

Why is my Controller being bypassed sometimes?

connecting to SignalR hub with basic authentication

bash script from docker does not work as expected if statement

QUESTION

MVVM WPF - How to update DataGrid bound to ObservableCollection

Asked 2021-Jun-15 at 17:35

What I'm trying to do:

I have a WPF app, linked to a SQL-server. I am using the MVVM-light package (I do actually have Prism.Core installed, but I'm not sure if I'm using it or not.... new to MVVM).

There's a DataGrid, bound to an ObservableCollection. I have been trying to implement the PropertyChangedEventHandler, but I can't seem to get it to work.

I have a Delete button bound, and I am able to remove rows, but when I re-open the form, the changes does not carry over.

I tried to change the binding-mode for the DataGrid from OneWay to TwoWay. With OneWay, the changes does not carry over when I re-open the form. With TwoWay, I get this error message when opening the child form (which contains the DataGrid):

System.InvalidOperationException: 'A TwoWay or OneWayToSource binding cannot work on the read->only property 'licenseHolders' of type 'Ridel.Hub.ViewModel.LicenseHoldersViewModel'.'

So, If I then add a set; to my public ObservableCollection licenseHolders { get; }, the program runs, but the previous problem persists, like it did when there was a OneWay mode configuration on the DataGrid.

What do I need to do to get this to work without communicating directly with the Sql-server, which would defy the whole point of using this methodology in the first place?

ViewModel: ...

ANSWER

Answered 2021-Jun-15 at 13:26

You are confusing topics. The VM needs InotifyPropertyChanged events, which you have but are not using, to notify the Xaml in the front-end that a VMs property has changed and to bind to the new data reference.

This is needed for Lists or ObservableCollections. Once that is done, the ObservableCollection will then send notifications on changes to the list as items are added or removed.

Because you miss the first step:

Source https://stackoverflow.com/questions/67986693

QUESTION

pickle a list as UTF-8

Asked 2021-Jun-15 at 15:37

I want to import all files from one directory to my sql. But I have to make the same changes to each original .htb file first. The problem with the original file is that

I don't want to import the column headers and the 2nd line because its blank
I need to change \t\t\t\n to only \n so MySQL knows where fields and lines end
I need to remove -----\n because it only has 1 column which doesn't match my tabe (4 columns) Here's how the original .htb file looks like:

Beschreibung\t Kurzbeschreibung\t Einheit\t Wert\t\t\t\n

\n

Hub\t Hub\t mm\t 150.000000000000\t\t\t\n

Bohrung\t Bohru\t mm\t 135.000000000000\t\t\t\n

-----\n

so far I have managed to create a list of all files. My next step would be to write that list to 1 single file which I can then edit. The problem I have is that I get a format issue when I save the list do a file. I want the final file to have utf8 format. this is what I want my file to look like:

...

ANSWER

Answered 2021-Apr-13 at 10:47

pickle produces a binary format, which includes per field "header" bytes (describing type, length, and for some pickle protocols, framing data) that are going to look like garbage text if you view the output as text. You can't say "I want it to be pickle, but not have these bytes" because those bytes are part of the pickle serialization format. If you don't want those bytes, you need to choose a different serialization format (presumably using a custom serializer that matches this HTB format). This has nothing to do with UTF-8 encoding or lack thereof (your input is ASCII), the problem is that you are demanding a result that's literally impossible within the limits of your design.

Source https://stackoverflow.com/questions/67072877

QUESTION

Can different network be the cause for UnreachableBrowserException exception?

Asked 2021-Jun-15 at 13:57

I have two grid setup's

Local grid setup (hub and nodes are running in my local machine) and my local machine connected to network#1
VM grid setup (hub and nodes are running in my virtual machine) and my virtual machine connected to network#2

When I execute the scripts I need to pass the IP address as a parameter. Here, I can run my scripts successfully in local machine(code is available in local machine) by passing the network#1 IP address but if I pass the network#2 IP address (VM IP address) to local machine then I am getting below exception,

org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.

As per my knowledge, hub and nodes should be connected to same network. Cannot we run the scripts by passing the VM IP address to local machine?

Trace:

...

ANSWER

Answered 2021-Jun-15 at 13:57

Yes, the exception occurred due to firewall. The ping test is successful from local machine to VM but not from VM to local. I contacted the organization network administrator to confirmed this.

Source https://stackoverflow.com/questions/67836113

QUESTION

Delete selected row in DataGrid bound to an ObservableCollection

Asked 2021-Jun-15 at 12:02

I'm writing an app in WPF, trying to use the MVVM-design pattern (which is new to me). I have a DataGrid bound to an ObservableCollection.

What I'm trying to achieve:

Delete the currently selected DataGrid-row using a 'Delete'-button. I've tried a plethora of forum-posts and videos to find a solution. The solution has probably stared me right in the face several times, but at this point I'm more confused than I was when I first started.

Any assistance would be appreciated.

ViewModel (updated with working code, thanks to EldHasp):

...

ANSWER

Answered 2021-Jun-14 at 20:15

You can use Prism. Intall package Prism.Core then Install-Package Microsoft.Xaml.Behaviors.Wpf -Version 1.1.31 packages in your project, in your xaml declare namespace as - xmlns:i="http://schemas.microsoft.com/xaml/behaviors"

Source https://stackoverflow.com/questions/67976219

QUESTION

Azure Data Explorer High Ingestion Latency with Streaming

Asked 2021-Jun-15 at 08:34

We are using stream ingestion from Event Hubs to Azure Data Explorer. The Documentation states the following:

The streaming ingestion operation completes in under 10 seconds, and your data is immediately available for query after completion.

I am also aware of the limitations such as

Streaming ingestion performance and capacity scales with increased VM and cluster sizes. The number of concurrent ingestion requests is limited to six per core. For example, for 16 core SKUs, such as D14 and L16, the maximal supported load is 96 concurrent ingestion requests. For two core SKUs, such as D11, the maximal supported load is 12 concurrent ingestion requests.

But we are currently experiencing ingestion latency of 5 minutes (as shown on the Azure Metrics) and see that data is actually available for quering 10 minutes after ingestion.

Our Dev Environment is the cheapest SKU Dev(No SLA)_Standard_D11_v2 but given that we only ingest ~5000 Events per day (per metric "Events Received") in this environment this latency is very high and not usable in the streaming scenario where we need to have the data available < 1 minute for queries.

Is this the latency we have to expect from the Dev Environment or are the any tweaks we can apply in order to achieve lower latency also in those environments? How will latency behave with a production environment loke Standard_D12_v2? Do we have to expect those high numbers there as well or is there a fundamental difference in behavior between Dev/test and Production Environments in this concern?

...

ANSWER

Answered 2021-Jun-15 at 08:34

Did you follow the two steps needed to enable the streaming ingestion for the specific table, i.e. enabling streaming ingestion on the cluster and on the table?

In general, this is not expected, the Dev/Test cluster should exhibit the same behavior as the production cluster with the expected limitations around the size and scale of the operations, if you test it with a few events and see the same latency it means that something is wrong.

If you did follow these steps, and it still does not work please open a support ticket.

Source https://stackoverflow.com/questions/67982425

QUESTION

Do I need nginx image when i use nginx ingress in kubernetes?

Asked 2021-Jun-14 at 12:34

I am learning kubernetes and got into a point where I am very confused. I have installed metallb and ingress-nginx so it is possible to access content from outside. I saw several examples that are using nginx image running in pod despite they are also using ingress-nginx.

Isn't ingress-nginx capable to do all work as nginx image? Otherwise what roles those two play?

I need to deploy express server where I would like to utilize some nginx features like gzip so it is where reverse proxy comes.

So do I need to make it work on ingress-nginx level or from nginx image? And if I need nginx image does it mean that I need to run separately nginx image and my built node image with my express app?

...

ANSWER

Answered 2021-Jun-14 at 12:34

Short answer: No
But it's complicated.

nginx image you mentioned is one of the most popular images (5th on the Docker Hub, by the time of this writing), is relatively small (133MB), and is easy to remember. That's why it is widely used as an example in many tutorials.

Isn't ingress-nginx capable to do all work as nginx image?

To some extent.
Pod and Ingress are different Kubernetes resources, and they act differently. nginx image is usually deployed as a container inside a pod.

In case of nginx ingress controller, similiar image is used for both Pod and Ingress (mentioned below).

Whenever you deploy (for example) a rewrite rule in ingress controller

Source https://stackoverflow.com/questions/67938239

QUESTION

s.bind((hostIPAddress,22)) OSError: 99

Asked 2021-Jun-14 at 12:25

I am trying to get my robot to communicate with my PC via sockets by using local IP addresses on my own home network (not devices outside my network). The robot is acting as the server and my own PC is acting as the client/host. I don't really know what ports are open on my robot but I do definitely know that port 22 on the robot is open (which is the SSH port). The robot is a lego EV3 robot apart from it has had some ev3python software put onto it. When I run my program I am getting the following error on the server (my robot):

...

ANSWER

Answered 2021-Jun-14 at 12:24

hostIPAddress = "xx.xx.xx.xx" #the local IP address of my PC on my home network 
backlog = 1
size = 1024
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((hostIPAddress,22))#22 is the port number I am using. (THIS IS ALSO THE LINE WHERE THE ERROR IS COMING FROM) 
s.listen(backlog)

Source https://stackoverflow.com/questions/67969893

QUESTION

Why is my Controller being bypassed sometimes?

Asked 2021-Jun-14 at 10:13

I have a spring web project, with a controller for editing customer details.

...

ANSWER

Answered 2021-Jun-14 at 10:13

The ajax calls normally are suitable for handing responses like JSON, XML than views. So, If you change your controller to @RestContoller from @Controller, this should work.

Source https://stackoverflow.com/questions/67961772

QUESTION

connecting to SignalR hub with basic authentication

Asked 2021-Jun-14 at 00:14

Hi I am trying to create chat app using xamarin app, .net core api and signalR.
I need to get id of curent user inside of SignalR chatHub.
I tried to get HttpContext by using IHttpContextAccessor but SignalR doesn't support it.
I tried to get HttpContext by Context.GetHttpContext() but it only returns empty Context
(as far as i understand to get current HttpContext with Context.GetHttpContext() project either has to be website or i need to place [Authentication] on my ChatHub )

I am using basic authentication on my project and i don't know how to pass user credentials to SignalR hub

Here is code from Xamarin project ChatViewModel which i use to create new connection to Signalr hub(connection without authentication part works fine)
I don't know how to get curent users email and password instead of "email@hotmail.com" and "123"

...

ANSWER

Answered 2021-Jun-14 at 00:14

_hubConnection = new HubConnectionBuilder()
                    //.WithUrl($"{APIService._apiUrl}/chatt")
                    .WithUrl(con, options=> options.Headers.Add("Authorization",$"Basic{credential}"))
                    .Build();

Source https://stackoverflow.com/questions/67962974

QUESTION

bash script from docker does not work as expected if statement

Asked 2021-Jun-13 at 17:19

I am using this image which has bash v4.3.48 and curl v7.56.1:

https://hub.docker.com/r/bizongroup/alpine-curl-bash/tags?page=1&ordering=last_updated

Inside the docker I write the following script:

...

ANSWER

Answered 2021-Jun-13 at 13:32

That lies within the differences between bash and sh: sh is POSIX compliant, whereas bash isn't (fully).

As a best practice you should always include a shebang:

Source https://stackoverflow.com/questions/67956975

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You can download it from GitHub.

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