C# Corner

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  • Overview Of Generative Adversarial NetworksFeb 23, 2018. Once trained, Neural Networks are fairly good at recognizing voices, images, and objects in every frame of a video – even when you are playing the video. Let’s say you are not able to buy an expensive painting from a famous painter; can you create/generate an artificial painter who can paint like any famous artist by learning from his/her past collections? The answer is Yes – using Generative adversarial networks (GAN) you can. Generative Adversarial Networks (GANs) are a class of algorithms used in unsupervised learning -- you don’t need labels for your dataset in order to train a GAN.
  • Stack, Heap, Value Type, And Reference Type In C#Feb 13, 2018. Now, let’s see what happens when we declare any variable like int a=10 in C#. When C# compiler will run, it will allocate a block of memory which will have name of variable i.e. a, its type i.e. int and its value i.e. 10. Now this memory can be of type Stack or Heap i.e. variable gets store in Stack or Heap.
  • Work With CDN On Azure Storage - Part FiveFeb 10, 2018. This article will help you to work on Azure Storage by adding CDN (Content Delivery Network) to access data with high availability.
  • Blob Operations On Azure Storage - Part FourFeb 08, 2018. This article will help you to work with copy operations on Azure Blob Storage and an overview of CDN (Content Delivery Network) on Azure storage.
  • Building A Simple Working Memory Game App With Web API And SignalRFeb 02, 2018. This article will walk you through how to build a simple data-driven mobile game application using the power of Xamarin and Web API. We will also build a real-time leader board page using ASP.NET SignalR.
  • Hello World Android Application Using KotlinFeb 01, 2018. Google officially announced Kotlin as a first class language for Android development at Google I/O 2017. From Android Studio 3.0, Kotlin is included as Support for Android Studio. In this post, we will learn Kotlin for the development of Android applications in Android Studio.
  • Blob Security On Azure Storage - Part ThreeFeb 01, 2018. Shared Access Signature is shortly called as SAS, SAS is a URI that grants restricted access rights to Azure Storage resources, you can provide a SAS to clients who should not be trusted with your azure storage account key but whom you wish to delegate access to certain storage account resources. By distributing a shared access signature URI to these clients, you can grant them access to resource for a specific period time. The Service – Level SAS delegates access to a multiple storage services like blob, files, tables and queues.
  • Azure Blob Storage Service - Uploading A Blob And Set Container Propertied With Metadata - Part TwoJan 31, 2018. This article assumes that you already have an Azure Storage Account created and the solution file for Visual Studio which was created in the previous demo.
  • Performing CRUD Operations On Azure SQL Database Using SharePoint Framework Web Part And ASP.NET Web API - Part TwoJan 30, 2018. Normally, you would want to put your css classes in the .scss file (i.e. YourWebpartName.scss) and import it into the YourWebpartName.ts file (this is actually done automatically during project creation). But I decided to put it in a SharePoint list because my css selectors are grouped and I could not reference them using "styles.selector".
  • Azure CDN With Azure StorageJan 29, 2018. From this article, you will learn how to create an Azure CDN with Azure Storage.
  • Shared Storage With Azure Virtual MachineJan 25, 2018. This article briefs you about Shared Storage in Azure and how to use Shared Storage in multiple Azure VMs.
  • SharePoint Online Automation - Increase SharePoint Storage Quota In SharePoint Online Using PowerShellJan 24, 2018. As we know when a site collection is created in SharePoint online, we must specify a storage quota. This site size value must be between 100 MB and 100 GB. We will discuss more about site collection quota and usage in the next article.
  • Azure Storage Components - Blob - Part OneJan 22, 2018. This writing will cover the objective of Azure Storage Services particularly the Blob component on Azure Storage. You will get to know about Azure Blob Storage Services and implementing Azure Blob Storage.
  • Deploying Multiple ASP.NET Core Apps To Docker And AzureJan 22, 2018. API - has controller with CRUD operations for a movies database. It uses a class library Data, which contains repositories. Database is hosted in Azure and connection string stored in application settings (appsettings.json).
  • Azure Storage - Creating A Container Using Visual StudioJan 20, 2018. This writing is a continuation of my previous one in which I have written in detail about Azure Storage, please spend some time on the previous article of mine.
  • Garbage Collector And Destructor In C#Jan 19, 2018. Garbage collector looks for an instance/object which is not required anymore and treats these objects/instances as ready to destroy. Then, it makes a call to the destructor to release the memory and deallocate the resources.
  • Publish Nuget Packages In .NET CoreJan 19, 2018. Now that you have a registry and key to upload your packages, let’s create and push a package. I am using here a simple .NET Core class library I wrote to work with CSV files, the source code can be found on GitHub. You can of course use any of your projects.
  • App.Config AutoReaderJan 17, 2018. In our day to day development, it is a rare case where we don’t need to read a configuration file. There are many techniques for the treatment of such static classes, singleton classes, etc and it is normally that the Config class is accessible in all projects.
  • Basics Of Kotlin - JVM ImplementationJan 15, 2018. Hello Guys, we already knew that Google announced that Kotlin is a new first class language for Android Development. Kotlin is now an official language on Android. It's expressive, concise, and powerful. Best of all, it's interoperable with our existing Android languages and runtime.
  • Basics Of Angular And Its Versions - Part TwoJan 15, 2018. Module is nothing but a package like a package in Java, a namespace in C# and like a header-file in C / C++. Java, C#, and C++ have their own modularity system which contains classes, interfaces, enumerations etc. In the same way, Angular also has its own modularity system called NgModules which helps to organize an application into adhesive blocks of functionality. Every Angular application should have at least one NgModule and the root module is called AppModule.
  • Bulletproof Disposable Types In .NET CoreJan 14, 2018. Whenever I do code review on .NET projects, hands down the number one issue is developers not calling .Dispose() on disposable objects. Ever since .NET was released, I have been preaching how important this is. If not done properly, it’s most likely to create virtual memory issues that will eventually cause the application to stop and possibly freeze server or users’ computer.
  • Singleton Design Pattern In C# - Part Three (Static vs Singleton)Jan 11, 2018. In this series of learning singleton patterns, we learned lazy initialization and eager initializations with practical examples. We also learned why it is necessary to make the singleton class sealed with sealed keyword. In this article, I’ll try to explain the differences between static and singleton class and where to use static and where to use singleton classes.
  • Singleton Design Pattern In C# - Part Two (Eager and Lazy Initialization in Singleton)Jan 09, 2018. In this article, we’ll discuss Lazy initialization, the lazy keyword, why to make singleton class a sealed class and what are the differences between singleton and static class.
  • Three Popular C# InterfacesJan 09, 2018. In this article, you will learn about the most common interfaces in the C# Libraries that you can use to create robust classes and objects.
  • Hashing In ASP.NET Core 2.0Jan 08, 2018. The new Data Protection API in .NET Core includes functionality to create hashes using PBKDF2algorithm. ASP.NET Core uses this behind the scenes in PasswordHasher class, which is used in ASP.NET Core Identity.
  • Working With Azure Storage Explorer In Visual Studio CodeJan 03, 2018. Visual Studio code is an open source source code editor developed by Microsoft which supports all major operating systems like Windows, Linux and Mac OS. It includes support all most all software development activities like debugging, Git control, syntax highlighting, intelligent code completion, snippets, and code refactoring.
  • Various List Operations With SharePoint Online List View Threshold LimitJan 03, 2018. In this article, we will learn about how we can work with SharePoint Online List view threshold. A myth with SharePoint List view threshold is a storage limit with the number of records, but it is not correct. List view threshold displays the number of record limits in SharePoint views.
  • Device Year Class Library Using Android ApplicationJan 02, 2018. Android device's specifications and calculates which year the device would be considered.
  • Using Collection In KotlinJan 02, 2018. Collections are used to store groups of related Objects in memory. Like java, kotlin also supports collection frameworks.
  • Integrating SharePoint And OneDrive? Check This Post Out!Jan 02, 2018. We all are well aware of the fact that Microsoft has an extensive selection of cloud-based digital storage options. Microsoft SharePoint and Microsoft OneDrive are the two most popular terms buzzing across the globe. Recently, the tech Giant has encouraged its end users to combine OneDrive for business and SharePoint, and here’s why!
  • Creating A CRUD With ASP.NET Core And EF CoreDec 28, 2017. Entity Framework Core (EF) is an ORM that makes it simpler to work with database by using POCO classes that map to database entities and DbContext to interact with them.
  • Consuming ASP.NET Core 2.0 Web API Using HttpClientDec 26, 2017. We’ll create a library to wrap the functionality of HttpClient. I’ll use builder pattern for this purpose. Add a class with methods for storing parts of HttpClient.
  • Validating User Input Using Regular Expression With C#Dec 22, 2017. In this article, you will learn how to validate user input using Regex class with C# Programming language
  • Asynchronous Messaging Using ASP.NET Core 2.0 Web APIDec 21, 2017. How to implement asynchronous messaging using ASP.NET Core Web API. Create an empty project and update the Startup class to add services and middleware for MVC.
  • Configure Identity In ASP.NET Core 2.xDec 15, 2017. Identity is a membership system that allows us to add login functionality to our application. In my previous article, I have explained about the overview of Identity in ASP.net Core. There are some default behaviors that can be overridden easily in our application in ConfigureService method of startup class.
  • Special Class Of C# Series - Part Two - OLE DB (Extended Properties)Dec 14, 2017. In this series of C# Special classes, we are going to see the special features available with the “OleDbConnection” class and its specialties.
  • Special Class Of C# Series - Part One - Partial ClassDec 13, 2017. This article will help you understand what partial class is used in C-Sharp language. Also, I will explain the various uses of the partial class.
  • Getting Started With Azure Machine Learning Studio And Azure StorageDec 13, 2017. This write-up is a continuation of my previous one by which we will be sketching across how to get started with Azure Machine Learning and an introduction to Azure Storage.
  • Xamarin.Android - Upload An Image To Firebase StorageDec 08, 2017. Today, I am going to show you how to upload an image to Firebase storage and then show that uploaded image in Firebase Storage.
  • Understanding Classes In KotlinDec 07, 2017. In the above example, I have created a nested class ‘Nestedclass’ which has a data member ‘b’ and a member method show(),now the object of nested class can access member of nested class only.
  • Aspect Oriented Programming In C# Using DispatchProxyDec 06, 2017. Example of implementing logging using Aspect Oriented approach with DispatchProxy class.
  • How To Use Indexed DB To Improve Page Load PerformanceDec 05, 2017. Indexed DB is a local storage system, which will store data in client-side on browser. This is useful for applications that require us to store large amounts of data. These applications can run more efficiency and load faster.
  • Mounting Azure File Share With WindowsNov 30, 2017. This article shows how to create an Azure Storage account
  • Creating Blob Storage In Microsoft Azure Using C# ASP.NETNov 29, 2017. This article will discuss how can we create/Use MS Azure storage in ASP.NET Web application using MS Libraries. I am not an expert to discuss all the part of Azure Storage, but I am sharing the things about Blob Storage.
  • Comparing Objects In C#Nov 29, 2017. In this article, we are going to compare two objects of the same class having collection property or multiple collection properties.
  • Building Entity Framework Disconnected Generic RepositoryNov 29, 2017. The repository pattern separates and retrieves data model mapping logic from the business logic. We will create a repository class for each entity class in our application. All these classes usually have a main group of equals methods.
  • Adding A DataDisk To Our Virtual MachineNov 28, 2017. This article shows how to add a disk to our Virtual Machine for additional data storage.
  • MVC 5 Demo Project With Entity Framework (DB First)Nov 23, 2017. MVC project has been set up. Now, make a new C# class library project which will act as a DAL layer and Entity Framework will be handled through this project.
  • Creating An Azure Storage In Microsoft AzureNov 22, 2017. This article shows how to create an Azure storage in the Azure portal and also performing some basic operations like creating Storage accounts and containers and managing the access keys in it.
  • Passing Parameters To Middleware In ASP.NET Core 2.0Nov 15, 2017. I discussed in an earlier post that it is good practice to define middleware in a separate class and add to the pipeline using extension methods. We may also need to pass information to our middleware classes though and I’ve come across two patterns for this when digging into ASP.NET Core source code and other samples online.
  • What Is Struct And When To Use Struct In C#Nov 15, 2017. 'Struct' keyword is used to create a structure. A structure can contain variables, methods, static constructor, parameterized constructor, operators, indexers, events, and property. A structure can not derive/inherit from any structure or class. A structure can implement any number of interfaces. Structures provide better performance.
  • Azure Table Storage In ASP.NET Core 2.0Nov 14, 2017. Add a class to encapsulate storage access. Add a private helper method to access storage
  • How To Use StringBuilder And File Class For .NET ApplicationNov 14, 2017. Here, I am going to share how and why should we create error log in our application.
  • Introduction To Xamarin.Android Using C# - Part OneNov 10, 2017. Xamarin.Android will create native Android applications using modern language (C#), .NET Base Class Library Visual Studio. Xamarin is a cross-platform development tool. It solves dilemmas many developers face when developing cross-platform apps: separate coding languages and UI paradigms. With Xamarin, you can use C# for iOS, Android, and Universal Windows apps. And with Xamarin Forms, interface design for all three platforms can be accomplished within its XAML-based framework.
  • ASP.NET Core 2.0 MVC Distributed Cache Tag HelperNov 09, 2017. Cache and Distributed Cache Tag Helper help improve performance of your application by caching view’s content, either in-memory or in a distributed cache (e.g. Redis). Distributed Cache Tag Helper uses IDistributedCache to store contents in a distributed cache. To learn more about distributed caching, please refer to an earlier post here.
  • Binding DropDown List Using Tuple In ASP MVCNov 05, 2017. Tuple is a generic static class that was added to C# 4.0 and it can hold any amount of elements, and they can be any type we want. So using tuple, we can return multiple values.One great use of tuple might be returning multiple values from a method. It provides an alternative to "ref" or "out" if you have a method that needs to return multiple new objects as part of its response.
  • Three Digit Sum Using Tuple in C#Nov 02, 2017. In this article, we will be discussing an algorithm which returns possible (no. of pairs) digit pairs that are equal to a given number (6) using Tuple class.
  • SystemDataPaths In UWP (Windows 10 Fall Creators Update Features)Oct 31, 2017. This article explains about how to get system , app , user based path information. This SystemDataPaths, UserDataPaths, AppDataPaths class will be supported on Windows 10 Fall creators updated version build or greater and Windows 10 SDK 16999.
  • Getting Started With Azure Cosmos DBOct 29, 2017. Azure Cosmos DB is a globally distributed database service designed to enable you to elastically and independently scale throughput and storage across any number of geographical regions with a comprehensive SLA. You can develop document, key/value, or graph databases with Cosmos DB using a series of popular APIs and programming models.
  • Getting Started With Receipt Card Design Using Microsoft Bot FrameworkOct 29, 2017. The Bot Framework supports different type of rich cards and provides a richer interaction experience to the user. In this article, I will show how to integrate Receipt card UI design in a Bot Application. If you are developing a shopping card Bot chat application; receipt card is very important. Receipt card class has property as a list of items, total, tax, vat, title and image. We can re-use all receipt card properties and add tab action event for navigating to original invoice website.
  • Add Class Library In ASP.NET Core Using .NET Core Command-Line Interface (CLI)Oct 29, 2017. This article explains how to add Class Library in ASP.NET Core using .NET Core Command-Line Interface (CLI) with a simple way. Before reading this article, read the previous parts of this article using below article link.
  • Debugging Tips - Part TwoOct 27, 2017. While working on complex classes/objects, it really takes two more clicks to either add that object to the Watch window or expand the object in visualizer and navigate to a specific property.
  • Debugging Tips - Part OneOct 24, 2017. A cool attribute to save some debugging time is DebuggerTypeProxy (Namespace: System.Diagnostics). Using this attribute, you can write your own logic to interpret the object at debug time. Meaning, if you have a list of class objects then you can project on certain properties and force debugger to show the value off of this proxy class. This attribute is applicable to Structures, Classes and Assemblies.
  • Getting Started With Entity Framework Core - Database-First DevelopmentOct 12, 2017. This article is the first part of the series on Getting Started with Entity Framework Core. In this post, we will build an ASP.NET Core MVC application that performs basic data access using Entity Framework Core. We will explore the database-first approach and see how models are created from an existing database. We will also take a look at how classes become the link between the database and ASP.NET Core MVC Controller.
  • Angular Components (With Examples)Oct 12, 2017. A Component is nothing but a simple typescript class, where you can create your own methods and properties as per your requirement which is used to bind with an UI (html or cshtml page) of our application.
  • Shared Storage Using Azure File ServiceOct 10, 2017. In most cases, the virtual disks we are creating for an Azure VM are connected to that particular VM with a 1:1 relationship which can’t be accessed by another VM at the same time. In case you need a shared storage by multiple VMs you should use Azure File Shares. Azure File shares can be mounted concurrently by cloud or on-premises deployments of Windows, Linux, and macOS. This is mostly used in case of any requirement of something like a shared application setting or if you need to share any tools or utilities between developers and administrators.
  • ASP.NET Core 2.0 Session StateOct 09, 2017. Using an empty project from a previous post, amend Startup class ConfigureServicee() method, and add services for session and its backing store.
  • Azure Blob Storage In ASP.NET Core 2.0Oct 06, 2017. In this article you will learn how to use Azure Blob storage in ASP.NET Core.
  • Migrate SharePoint On-Premises Content To SharePoint Online Using SPO APIOct 02, 2017. Below is the step by step SharePoint Online PowerShell cmdlets to migrate the content. It requires minimal CSOM (Client object model) call to avoid the threshold. It leverages a temporary Azure Blob Storage container to hold the content and Azure Queue, which schedule parallel jobs.
  • ASP.NET Core 2.0 Error PagesSep 29, 2017. Starting from an empty project, created in a previous post, amend the Configure() method of Startup class to use middleware needed for error handling. Below I’ve used a custom middleware (defined as lambda) to handle production exceptions.
  • Why "Service Locator" is an "Anti-Pattern" for Dependency InjectionSep 29, 2017. The Service Locator is used as a replacement for the new operator. The problem with service pattern is that it hides a class's dependencies and is a bonafide anti-pattern. In fact, it takes away a developer's clarity about the class he/she is using.
  • How To Create Blobs In Microsoft Azure Using C#Sep 29, 2017. This article is in continuation of a previous article - “Understanding Cloud Storage in Azure”, where we created a storage account and a Blob container with the name “images”.
  • Create Value Object In C#Sep 28, 2017. Create a class that abstracts away (encapsulate) ‘data’ in your domain and provide methods to work on it. Below is a class I don’t consider a good Value Object.
  • Default(T) In GenericsSep 27, 2017. Default represents default value of T parameter in generics intructions. In several cases, the default keyword is an absolute unknown and we think it’s unnecessary or its functionality is null. There are many development moments with the generics classes where the default keyword can be useful.
  • Understanding Cloud Storage In AzureSep 26, 2017. In this article, I will explain about Storage Accounts (Storage Accounts can hold hundreds of terabytes of data.) and we will see how we can use Azure Storage as a place to keep uploaded files for our web application and how we can allow users to download files from storage by creating and handling out what is known as a shared access signature (SAS).
  • How To Create To-Do CRUD Operation With ASP.NET MVC Core, Angular 4.0Sep 21, 2017. We want to create below single page application with CRUD operation, Add, Update and Remove functionality with in-memory TodoRepository Database.
  • Introduction To Tag Helpers In ASP.NET CoreSep 18, 2017. Tag helper is a new feature in ASP.net MVC. It enables server-side code to create and render HTML elements in Razor View. It is feature of Razor View engine. They are the C# classes which participate in view generation by creating the HTML elements. Using the tag helper, we can change the content of HTML element and add additional attributes to the HTML element. It is very similar to HTML helper in ASP.net MVC.
  • Selection Manager For WPF/MVVMSep 17, 2017. This article presents the idea and implementation of a class to manage the selection of only one element in different linear and hierarchical structures.
  • Getting Started With Azure Cosmos DB - Table APISep 08, 2017. The table is made up of one or more partitions. Partition Key and Row Key are suitable to optimize your solution. The account name, table name, and partitionkKey together identify the partition within the same storage service where your table service stores the entity.
  • Aspect Oriented Programming In C# With RealProxy classSep 07, 2017. Example of implementing logging using RealProxy class.
  • Find Out Creation And Modification Date Of Database Objects Like Tables And Stored ProceduresSep 07, 2017. Database Object refers to Table, Stored procedure, View, Function etc.; in other words, all the elements that are created for data storage and manipulation.
  • Getting Started With Azure TablesSep 01, 2017. In this article, we will walk through some important concepts of Azure Tables through Emulator. Create the Azure Tables by using Microsoft Azure Storage Explorer.
  • Building A .NET Core 2.0 Class LibraryAug 31, 2017. In my previous tutorial, Getting Started with .NET Core 2.0, we learned how to build our first console app using .NET Core 2.0. We also learned how to package and deploy the application so it can be used by other users.
  • Virtual Machine SizesAug 23, 2017. Virtual Machines are highly flexible such that they can be changed in their size and the performance based on the requirement of the user. The resources which we actually require can be decided by us and then the user can be able to scale up or down the Virtual Machine. When making changes to the Virtual Machine size, the cost that is charged for the Virtual Machine will also vary. Here the size of the Virtual Machine will include the number of cores, the Random-Access Memory, number of data disks, the IOPS range, SSD size, load balancing feature and premium disk support.
  • Understand Azure Cosmos DB - Table APIAug 18, 2017. Cosmos DB is a globally distributed multi-model database. Using the API, applications running on Azure Table storage can take advantage of secondary indexes, turnkey global distribution, dedicated throughput, and single digit millisecond latency with 99.99% comprehensive SLAs.
  • Understanding Connectors In AzureAug 14, 2017. This article will give a quick start-up for creating the storage account and logic App for connection
  • Dependency Injection - Part 3 - Implicit Vs Explicit DependenciesAug 12, 2017. If a component or class depends upon other components to complete its operations, then these other components are dependencies for this class. Our class can have these dependencies as implicit or explicit dependencies.
  • Learn Azure Blob StorageAug 11, 2017. Basically, it represents the durable store in the Azure cloud. And also, it allows storing blob, tables, messages, and queues.
  • Data Structures In Java - Linear ArrayAug 10, 2017. Data structure means organizing the data by using models in the computer memory. A linear data structure that represents a relationship between elements by successive memory location is known as the array, where as a linear data structure that represents a relationship between elements by pointer and link is known as linked list.
  • Dependency Injection - Part Two - Five Reasons To Write Loosely Coupled CodeAug 09, 2017. A loosely coupled application has good isolation among its classes, modules and assemblies. Therefore, if we make a change to one part of the application, we only need to update the relevant modules. We do not need to make changes throughout the application.
  • Manage Blob Storage Using MVC Web ApplicationAug 08, 2017. This article will give you ideas about managing the blob storage using web applications.
  • Dependency Injection - Part One -Tightly Coupled ApplicationAug 07, 2017. It is a best practice to use interfaces instead of concrete classes. These interfaces can then be mocked at the time of unit testing, which will prevent any call to the actual database. Also, it is a good practice to stop "newing-up" objects in classes.
  • Understanding Blob Storage In AzureAug 07, 2017. This article will give you an idea about the Blob storage accounts in Azure Explorer.
  • SharePoint REST Calls With SPHttpClient Class In SPFx WebpartsJul 31, 2017. Let us look at the usage of sphttpclient in SPFx solutions for making REST calls.
  • Entity Framework CRUD Operation Performed With SQL Stored Procedure Using ADO.NET Entity Data ModelJul 31, 2017. You can see my pervious article for Entity framework with Ado.Net data Model connection and how to create a new entity framework project and sql database connection maintained with created entity framework project. Also you can see how to create a class in entity framework based on data table.
  • Built-In Filter Type In ASP.NET Core MVCJul 29, 2017. The ASP.net core framework includes five built-in filter types that we can sub-class and customize based on our requirement. The framework supports following built-in filters type.
  • Learn Web API : Using SQL Helper ClassJul 25, 2017. This article demonstrates how to use Web API Using SQL Helper Class with easy to use data base access in Visual Studio 2017.
  • Component In Angular 2 and How to Create Nested Component in Angular 2Jul 25, 2017. In this article, we will learn about Angular 2 components and we will also see how to create a nested component.
  • Code First Development Approach With Entity FrameworkJul 20, 2017. Which one to use in your project is completely your choice and also what you already have in place. Meaning are you designing/developing something from scratch or you already have got DB or domain classes, and also what are your preferences, meaning do you prefer to design classes first and then let your DB gets developed from those classes or you like to design visual class diagram first.
  • Multithreading In C# .NetJul 16, 2017. If you have a program that execute from top to bottom, it will not be responsive and feasible to build complex applications. So .Net Framework offers some classes to create complex applications.

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