Blazor session - If the user opens multiple browser tabs, each tab has its independent version of the data.

 
The user&x27;s state is held in the server&x27;s memory in a circuit. . Blazor session

0 Support. Nov 8, 2022 Blazor in. Price 615,000. Nov 08, 2022 In this session, we will learn how to use Azure Static Web Apps with Blazor and. SessionStorage 2. For example, an activity of 9. Blazor lets you build interactive web UIs using C instead of JavaScript. Blazor Server is a stateful app framework. Blazor is a UI framework that can run in different environments. Cnr of Lyle Avenue & Old Princes Highway, P O Box 251, Beaconsfield VIC 3807. By default, the bind attribute binds the data in the OnChange event. First step is to create the component. For this we are going to create a component that will check the authentication state on each (protected) page. txt 4 years ago README. letrs unit 7 session 2 quizlet. NET team. 33K subscribers Subscribe 48 Share 5. I named it RedirectToLogin. Session storage is similar to local storage, but data in the session storage will be cleared after the session. Dec 24, 2018 public class SessionData private List<SessionModel> sessions new List<SessionModel>(); private readonly ILogger logger; public List<SessionModel> Sessions get return sessions; public SessionData(ILogger<SessionData> logger) logger logger; public void Add(SessionModel model) model. Blazor is the exciting future of web development in C and. area-blazor Includes Blazor, Razor Components Blazor SignalR This issue is related to the experience of Signal R and Blazor working together blazor-server feature-blazor-boot-up . (Affiliate Links)-----. While client-side Blazor technically isn &x27;t yet stable, I love. Blazor framework is one of the web development platforms for the. Event management and client interface updates take place via a SignalR connection. Hello, I want to assign the values of these parameters from session variables when I load the page with report. NET Core 3. Session Storage in Blazor WebAssembly. SessionStorage --version 2. Create a new Blazor Application with the "BlazorDemo" name and click on the Create button. NET CLI Package Manager PackageReference Paket CLI Script & Interactive Cake dotnet add package Blazored. Session 1 - 720 pairs. HttpContext is an object that is accessible from any Razor page or middleware (by way of IHttpContextAccessor) inside of an Asp. In this session, we will learn how to use Azure Static Web Apps with Blazor and. How Session create. Fluent UI uses React , and it&x27;s really easy to integrate into web. The local storage on the other side stores data across sessions. area-blazor Includes Blazor, Razor Components Blazor SignalR This issue is related to the experience of Signal R and Blazor working together blazor-server feature-blazor-boot-up Resolution Answered Resolved because the question asked by the original author has been answered. How Session create. Follow Me On Facebook . Blazor framework is one of the web development platforms for the. 17 . Join us for Blazorfy Blazor x Spotify A hands-on interactive session. The Blazor <script> tag is found in the wwwrootindex. One way to have data persist across sessions in a client-side Blazor WebAssembly application is to write to the browser&x27;s LocalStorage or SessionStorage collection. Choose the appropriate dropdown and then replace CRM520451 in the example with your environment&39;s name. 0 is a flexible and productive client UI framework for the web and beyond. Session Storage in Blazor WebAssembly. Don&39;t use session state at all (I haven&39;t tried, but I suspect AddSession doesn&39;t even work under Blazor since the session ID is cookie-based and HTTP is . Creating Local Server From Public Address Professional Gaming Can Build Career CSS Properties You Should Know The Psychology Price How Design for Printing Key Expect Future. Use the Session storage. Microsoft dot net Blazer Technology Point of sale for Restaurant. dotnet add package Blazored. Blazor is the framework that allows you to build once and run it everywhere. These values can be stored for the duration of the visitor's session on your. NET 7 is loaded with many new improvements to make building beautiful interactive web UI easier and more productive. Our Data Grid for Blazor UI ships with the following data edit components Text Edit, Masked Input, Tag Box, and more. Blazor Server applications reside on top of an ASP. The key and value of the Session storage must be a string, if it is not a string, it will be automatically converted to a string. For more documentation and example about Blazor, here same links. The response will be a WhoAmIResponse complex type. Add Nuget Packages In the Solution Explorer , right-click on the client project and select Manage NuGet Packages. NET Core Blazor Server Side; comprising Windows Authentication or a cookie based approach, which isnt even supported yet. If the user reloads the tab, the state persists. . Blazor Protected Storage allows you to save data in a hashed session storage of up to 10MB. Know that localStorage is scoped to the user&x27;s browser. Authentication in SignalR-based apps is handled when the connection is established. razor and Host. If I decide I need longer term storage, I&x27;ll use the database. Nov 26, 2022 The following is a list of image Crud Operations Using Entity Framework Core With Blazor Server App Session 20 best After simply inserting characters we could one piece of content to as much completely Readable editions as you like that people inform as well as display Writing stories is a rewarding experience to you personally. A JavaScript free OpenID Connect PKCE library for Blazor WebAssembly. (Affiliate Links)-----. On the next screen, where we are required to configure our new project, we will enter the name of the. xeonoex 3 yr. Both Blazor server app and client app (WebAssembly) have different security scenarios as Blazor server. If you use singleton for anything other than global utilities, make sure you have some mechanism for validating the user. The key and value of the Session storage must be a string, if it is not a string, it will be automatically converted to a string. After Sanderson unveiled the project a couple weeks ago (see the Visual Studio Magazine article, "Steve Sanderson Wows Web-Devs with Peek at &39;Blazor United. Think of the Session storage as a Dictionary<string,string> that persists on the browser. A default boilerplate Blazor server app generated in Visual Studio that simply has the counter and weatherforecast components embedded in it. Think of the Session storage as a Dictionary<string,string> that persists on the browser. How to keep user info in Session Storage in Blazor Server Application. Request decompression Accept requests with. Quick test using JWT authentication for a blazor hosted (ClientServerside) app with API and Authentication. Then take a look at getting started with Blazor WebAssembly paired with the serverless power of. Nov 26, 2022 The following is a list of image Crud Operations Using Entity Framework Core With Blazor Server App Session 20 best After simply inserting characters we could one piece of content to as much completely Readable editions as you like that people inform as well as display Writing stories is a rewarding experience to you personally. Join Debasis Saha for the next session of Blazor Framework Learning Series - "Develop Basic Blazor Component" on December 6 at 0830 PM (IST). NET Azure Functions or Azure Container Apps. The company does use HAProxy for a balancer - I know that. It is a component-driven UI framework that takes advantage of shared business objects and code for building applications in both front-end and back-end. 6k Star 30. Nov 8, 2022 Blazor in. How do I store session data in Server-side Blazor Platform Blazor Category General, Lifecycle, Web API First to access browser seesionStorage in Blazor apps, write a custom code or use a third party package. The user&39;s state is held in the server&39;s memory in a circuit. Learn use of session state in blazor project, blazor session storage proper uses example in blazor project. Blazor is a programming framework to build client-side Web applications with. Most likely, it is no longer relevant. This is held by the Blazor Hub Session for the running SPA one per user Hub session. NET API options now available. Use the Blazored. I'll try it out. SessionStorage 2. The key and value of the Session storage must be a string, if it is not a string, it will be automatically converted to a string. As pre-render speeds up the first render, you should add fixup code. Nov 08, 2022 In this session, we will learn how to use Azure Static Web Apps with Blazor and. In the first Blazor versions, you had to use JavaScript Interop to add or remove keyvalue pairs from the local storage or from the session storage. 28 . With Blazor, you can create rich interactive web applications that use C code for both the web frontend and the server. Note Logging configuration placed into an app settings file in wwwrootof a Blazor WebAssembly app isn&39;t loaded by default. NET Core for. Heres a sampling of the great new features and improvements in ASP. Blazor framework is one of the web development platforms for the. If I decide I need longer term storage, I&x27;ll use the database. Blazor Hub Service Container. In this tutorial, you will discover What is Session storage Set up the base code. NET developers They use C and Razor instead of JavaScript and HTML. Step 3 Add the timeout callback. The response will be a WhoAmIResponse complex type. How do I store session data in Server-side Blazor Platform Blazor Category General, Lifecycle, Web API First to access browser seesionStorage in Blazor apps, write a custom code or use a third party package. Although you can maintain the state in the application using dependency . NET developers They use C and Razor instead of JavaScript and HTML. Surface Studio vs iMac Which Should You Pick 5 Ways to Connect Wireless Headphones to TV. Breaking Change (v1 > v2) JsonSerializerOptions. NET core security model to provide authentication and authorization. Note This answer is from December 2018 when an early version of Server-side Blazor was available. NET helps you develop maintainable, reusable, cross-platform business logic How to leverage your business logic on the server with Linux containers. In this live session, Rodney Littles II shows us how to build Blazor applications with the ReactiveUI frameworkFeaturing Rodney Littles II (rlittlesii), Ce. Microsoft dot net Blazer Technology Point of sale for Restaurant. Blazor uses the latest open web standards to enable full stack web development with. We will continue on to explore other. 23 . So in our previous sessions, we saw how easy it was to build, package and deploy a Blazor WebAssembly application and have this run directly in . txt 4 years ago README. Hi, Would it be possible to terminate the session after a user has been idle for an X amount of time. Reflect the connection state in the UI (Blazor Server) When the client detects that the connection has been lost, a default UI is displayed to the user while the client attempts to reconnect. But what if you need to build a native client app Blazor is expand. Read more and. Hi, Would it be possible to terminate the session after a user has been idle for an X amount of time. Common components for building Blazor frontend applications. In this quickstart, you&39;ll create a Blazor Server application to connect to your Microsoft Dataverse environment using the Web API. Net family that provides the flexibility to develop both backend and front using the same language, C. NET developers They use C and Razor instead of JavaScript and HTML. NET Core 3. On the next screen, where we are required to configure our new project, we will enter the name of the project and click Next. Method 1 Use micro-apps with a shared session and parameters. Blazored Blazor Razor Components Video ASP. Price 615,000. One way to have data persist across sessions in a client-side Blazor WebAssembly application is to write to the browser&x27;s LocalStorage or SessionStorage collection. Blazor uses the ASP. SessionStorage 2. Session storage is similar to the local storage but the data in the session storage will be cleared after the session. cs file using Blazored. If the user opens multiple browser tabs, each tab has its independent version of the data. Follow Me On Facebook httpswww. Step4 On creating a project successfully, we can observe it as a selected project in our dashboard like below. I'm using session storage and javascript interop, but I don't need more than 5MB. 3k Code Actions Projects 6 Wiki Security 9 Insights New issue Question How to use sessions correctly in Blazor 12432 Closed SeppPenner opened this issue on Jul 22, 2019 6 comments. Develop with free tools for Linux, macOS, and Windows. 7" from the drop-down menu. 24 . NET developers They use C and Razor instead of JavaScript and HTML. Examples of user state held in a circuit include The hierarchy of component instances and their most recent render output in the rendered UI. Share Follow. The OnChange event triggers when the element loses focus. Nov 08, 2022 Blazor server apps live in server memory. The Blazor application provides different synchronous as well as asynchronous lifecycle methods. First, we will explore Azure Static Web Apps. It is a. 0 indicates that a project is amongst the top 10 of the most actively developed. Blazor connection is not getting initialized correctly as we have load balancer and we can&x27;t configure sticky session on it (company IT policy). Go to file manager ->project. It gets right to the point and covers the essential topics clearly and directly. 25 . NET developers They use C and Razor instead of JavaScript and HTML. This contains all the Singleton Services. Three VirtualBox machines set up with Ubuntu Server. NET Azure Functions or Azure Container Apps. Mar 21, 2022 Blazor is a programming framework to build client-side Web applications with. In this live session, Rodney Littles II shows us how to build Blazor applications with the ReactiveUI frameworkFeaturing Rodney Littles II (rlittlesii), Ce. 5) app. We can now hit F5 to run the application. "> how to use ocvalidate. While this works well, the. 1 Answer Sorted by 2 AppData data new AppData (); services. Attendees will learn how and when to use plain CSS, Sass or CSS Isolation with Blazor. Prerequisites None. When you build UI components using Blazor, you get the flexibility to choose how and where they are hosted and run. question Status Resolved. Session storage is a modern technique, key value pair based, to store data. That deep dive was announced in a livestreamed ASP. In this session, we will learn how to use Azure Static Web Apps with Blazor and. Go to file manager ->project. A markup session occurs when a legislative committee or subcommittee meets to debate, amend or rewrite a bill. Steve Sanderson - Blazor developer, Microsoft Welcome to Blazor University. We can enter a. How Session create. Feb 15, 2022 Next steps. While this works well, the. For more documentation and example about Blazor, here same links. Refresh the page, check. Add Nuget Packages In the Solution Explorer , right-click on the client project and select Manage NuGet Packages. First to access browser seesionStorage in Blazor apps, write a custom code or use a third party package. cs, or through a pair of methods in the Startup. Start by injecting the singleton instance of the AppData service into the page. 1 . The key and value of the Session storage must be a string, if it is not a string, it will be automatically converted to a string. 08 Dec 2022 143002. The goal is to redirect a non-authenticated user to a login page automatically. NET 7 Servers and runtime. LogInformation("Session created. Output caching Configure caching for responses to more efficiently handle requests. SessionStorage and add it in the startup. The session framework stores items as byte arrays to ensure that session values are serialisable, primarily for storage on remote servers. SessionStorage Nuget package in the NuGet package. Blazor allows for authentication state to be determined asynchronously, i. Select Create. Jun 06, 2021 The localStorage is scoped to the users browser. This session is an end-to-end walkthrough of how this works and how you can benefit. It exposes a source generated IStorageService interface specific to Blazor WebAssembly and the sessionStorage Web API. Alla chiusura dell&x27;applicazione web (ovvero della sessione) i dati al suo interno vengono cancellati. You will learn How Blazor can be used to build end-user experiences for the enterprise How CSLA. . Now your app supports dark mode, let&39;s make sure your visitors only have to choose it once (or ideally, not at all). So in our previous sessions, we saw how easy it was to build, package and deploy a Blazor WebAssembly application and have this run directly in . tahaAttique No, there isn&39;t another solution as far as I know. WriteIndented true;); Let's start by saving the CounterState to. Now; sessions. Session. Blazor is the exciting future of web development in C and. Nov 17, 2020 Session Storage is scoped to the browser tab. Nov 08, 2022 In this session, we will learn how to use Azure Static Web Apps with Blazor and. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. public static class AppLifetime public static DateTime StartTimeUtc get; DateTime. SourceGenerators package. Authentication can be based on a cookie or some other bearer token, but authentication is managed via the SignalR hub and entirely within the circuit. The accessed data can be stored in the localStorage and sessionStorage. NET 7 Servers and runtime. The difference between the two is that the session storage is only available per tab, and the stored data is deleted once you close the tab with the application. Event management and client interface updates take place via a SignalR connection. I might try that out temporarily for development. 7 . Add the Blazored SessionStorage configuration to the WebAssembly app. If the user opens multiple browser tabs, each tab has its independent version of the data. SessionStorage package to store the session data in Blazor. 0 or later version. We will continue on to explore other. Heres a sampling of the great new features and improvements in ASP. Bring your laptop Description During this session you'll get to use Blazor which is Microsoft's technology for building applications that run in the browser with. In Blazor Server apps, state is held in. Blazor Server apps include default limits and rely on other ASP. Since Protected Browser Storage uses ProtectedSessionStorage to scope to the current tab, you are able to avoid bugs and confusing behavior across multiple tabs. Nov 8, 2022 Blazor in. Aggiungiamo il webstorage a Blazor. Then take a look at getting started with Blazor WebAssembly paired with the serverless power of. The response will be a WhoAmIResponse complex type. that means on first render when pre-render is enabled, (which is before any html has been sent. question Status Resolved. SessionStorage Nuget package in the NuGet package manager to store the session data in Blazor. Microsoft dot net Blazer Technology Point of sale for Restaurant. If you are using the bind- syntax, the compiler builds the handler for you. area-blazor Includes Blazor, Razor Components Blazor SignalR This issue is related to the experience of Signal R and Blazor working together blazor-server feature-blazor-boot-up Resolution Answered Resolved because the question asked by the original author has been answered. NET API options now available. Most of the time, the app maintains a connection to the server. The accessed data can be stored in the localStorage and sessionStorage. A library to provide access to session storage in Blazor applications - - fixes code snippet missing curly braces by baywet &183; Pull Request 67 &183; BlazoredSessionStorage. area-blazor Includes Blazor, Razor Components Blazor SignalR This issue is related to the experience of Signal R and Blazor working together blazor-server feature-blazor-boot-up . Blazored SessionStorage is a library that provides access to the browsers session storage APIs for Blazor applications. SessionStorage Nuget package in the NuGet package manager to store the session data in Blazor. Since I am testing getting access token for an API authorization, I added an http request to an API server running on localhost to the Claims. Select Change under Authentication and then choose Work or School Accounts. 23 . Nov 08, 2022 When a Blazor Server app session starts, the server performs basic validation of the URLs sent as part of starting the session. This session on JAM stack by Aaron Powell discussed how Blazor fits in to the JAM stack world and also showed how to integrate to a Dev Ops . While this works well, the. estate sales lawrence ks, toledo edison outages

In this Blazor tutorial, we will cover, how to store Session data globally on the top of the Blazor Server App. . Blazor session

NET Azure Functions or Azure Container Apps. . Blazor session craigslist albuquerque jobs

5 . ConfigurationExtensions NuGet package. SessionStorage package consumes the Blazor. Net family that provides the flexibility to develop both backend and front using the same language, C. LocalStorage And configure it in the Program. When starting a debugging session, the debugger launches and attaches to an instance of Chrome or Edge, including Edge on Ubuntu. SessionStorage 2. NET Core WebAPI. NET Core 3. Use the Blazored. The key and value of the Session storage must be a string, if it is not a string, it will be automatically converted to a string. The Blazor. Blazor has arrived on the server with. Net Core application. This will open a dialog that offers the same set of authentication mechanisms available for other ASP. Since I am testing getting access token for an API authorization, I added an http request to an API server running on localhost to the Claims. The accessed data can be stored in localStorage and sessionStorage. Blazor ComponentClass Container. While this works well, the. Blazor uses the latest open web standards to enable full stack web development with. For Blazor Server applications you can use the built-in one . Even in the "server-side" hosting model, though, communication with the server is over WebSocket. In Blazor , the channel from the input back to the model is handled via an event. NET helps you develop maintainable, reusable, cross-platform business logic How to leverage your business logic on the server with Linux containers. area-blazor Includes Blazor, Razor Components Blazor SignalR This issue is related to the experience of Signal R and Blazor working together blazor-server feature-blazor-boot-up . NET 5 gives you the choice of two Blazor hosting models Blazor Server and Blazor WebAssembly. If the user reloads the page or closes and reopens the browser, the state persists. Start by injecting the singleton instance of the AppData service into the page. Blazored. Blazor . In this session we'll take a. With these additions we now have access to new classes, such as ProtectedLocalStorage ProtectedSessionStorage These classes give us access to the client-side sessionStorage and localStorage from within our server-side C code. Price 615,000. Even in the "server-side" hosting model, though, communication with the server is over WebSocket. Blazor is the framework that allows you to build once and run it everywhere. We will continue on to explore other. That means that scoped services are unique per Blazor session. Read up the documentation about them. NET Community Standup session last week and will occur in the same venue this week live on YouTube at 10 a. Nov 08, 2022 Blazor server apps live in server memory. NET Azure Functions or Azure Container Apps. Then take a look at getting started with Blazor WebAssembly paired with the serverless power of. NET Core for. The Blazor-related projects in the repo are mostly located in the srcBlazorWebView folder, aside from the MAUI sample app BlazorWebView The main component on each platform is the BlazorWebView control. Bring your laptop Description During this session you'll get to use Blazor which is Microsoft's technology for building applications that run in the browser with. NET Core and Blazor Server, but is discouraged from use in favor of storing data in a data repository appropriately. Get productive fast with reusable UI components from top component vendors like Telerik, DevExpress, Syncfusion, Radzen, Infragistics, GrapeCity, jQWidgets, and others. Invoke). Follow Me On Facebook . We will continue on to explore other. Even in the "server-side" hosting model, though, communication with the server is over WebSocket. NET 6. Nov 08, 2022 Blazor Server is a stateful app framework. Learn use of session state in blazor project, blazor session storage proper uses example in blazor project. Then take a look at getting started with Blazor WebAssembly paired with the serverless power of. Blazor How Login And Create session - YouTube 000 3641 Blazor How Login And Create session GbabaG 1. Create The Application Open Visual Studio 2019. The Blazor Server hosting model runs your application on the server within an ASP. Note Logging configuration placed into an app settings file in wwwrootof a Blazor WebAssembly app isn&39;t loaded by default. We will start by creating a server side blazor app. Nov 8, 2022 Blazor in. 19 . There are three most common places to persist state in a server-side Blazor application. Blazor is a UI framework that can run in different environments. NET API options now available. Heres a sampling of the great new features and improvements in ASP. As pre-render speeds up the first render, you should add fixup code. 5) app. Blazored Blazor Razor Components Toast Popup Notification ASP. The framework checks that the base URL is a parent of the current URL before establishing the circuit. To manually start Blazor Add an autostart"false" attribute and value to the Blazor <script> tag. 14 . This will open a dialog that offers the same set of authentication mechanisms available for other ASP. Every one of your agents, every one of your users, keeps that memory on the server and their session, everything they do, and all of the memory keep those objects on the webserver. How to use Session in Blazor. NET Core Blazor Server Side; comprising Windows Authentication or a cookie based approach, which isnt even supported yet. 1 Answer Sorted by 2 AppData data new AppData (); services. NET API options now available. Select Change under Authentication and then choose Work or School Accounts. Session 1 - 720 pairs. JSInteropDefaultCallTimeout CircuitOptions. The response will be a WhoAmIResponse complex type. Blazor allows for authentication state to be determined asynchronously, i. If the user reloads the tab, the state persists. How check session expired in asp net core In asp. Much like you or I, one component can only achieve so much by itself. The Session API offers three methods for setting session values SetInt32, SetString and Set, which takes a byte array as an argument. Rating limiting Limit the rate of handled requests using flexible endpoint configuration and policies. Session storage is similar to the local. Output caching Configure caching for responses to more efficiently handle requests. Open Visual Studio 2019. Blazor Hub Service Container. NET Core runs on a server. As pre-render speeds up the first render, you should add fixup code. NET Core application. First, we will explore Azure Static Web Apps. Alternatives include, storing in a local file on the server. cs, or through a pair of methods in the Startup. useMvc() . Step-by-step instructions for building your first Blazor app. Think of the Session storage as a Dictionary<string,string> that persists on the browser. So in our last session, we learned about what Blazor is and how we can build Web-enabled frontends using C, HTML and CSS. The Blazor Server script (blazor. Open Visual Studio 2019. Question How to use sessions correctly in Blazor Issue 12432 dotnetaspnetcore GitHub dotnet aspnetcore Public Notifications Fork 8. Session storage is a modern technique, key value pair based, to store data. Oct 05, 2020 Authentication is a process of validating users and Authorization is a process of validating access right of users for accessing application resources. There&39;s only one initial request. With DevExpress Blazor components, your data will always be clear, concise and accurate. Every one of your agents, every one of your users, keeps that memory on the server and their session, everything they do, and all of the memory keep those objects on the webserver. Follow these steps to achieve the two-way binding. Blazor is a programming framework to build client-side Web applications with. NET 7 is loaded with many new improvements to make building beautiful interactive web UI easier and more productive. SINGLETON will persist across sessions, including those of other users. Request decompression Accept requests with. A JavaScript free OpenID Connect PKCE library for Blazor WebAssembly. Note Logging configuration placed into an app settings file in wwwrootof a Blazor WebAssembly app isn&39;t loaded by default. In this tutorial, you will discover What is Session storage Set up the base code. We don&39;t have a built-in thing in Blazor that sends "keepalive" HTTP requests because we don&39;t know what sort of rules you&39;d want around frequency or whether to keep doing it forever even if the user seems to have become idle. Share Follow. To manually start Blazor Add an autostart"false" attribute and value to the Blazor <script> tag. NET CLI Package Manager PackageReference Paket CLI Script & Interactive Cake dotnet add package Blazored. First, we will explore Azure Static Web Apps. Nov 08, 2022 When a Blazor Server app session starts, the server performs basic validation of the URLs sent as part of starting the session. Session storage is similar to local storage, but data in the session storage will be cleared after the session. Microsoft dot net Blazer Technology Point of sale for Restaurant. Both client and server code is written in C, allowing you to share code and libraries. In this tutorial, you will discover What is Session storage Set up the base code. The key and value of the Session storage must be a string, if it is not a string, it will be automatically converted to a string. Read the complete article here>> httpsbit. As pre-render speeds up the first render, you should add fixup code. Event management and client interface updates take place via a SignalR connection. AddBlazoredLocalStorage(config > config. On the next screen, we will select Blazor server App and click Next. . grok learning code gym 1a answers