Seamus  Quitzon

Seamus Quitzon

1602575473

Smart Typescript Bulk Property Assignment

The Aim

I want the objects I use in my TypeScript code to let me set multiple properties on them in one go. My objects must have a method setPropssuch that when given a properly typed map of properties, the method sets the corresponding properties on the objects.

The Approach

I have a base class, say BaseObject, that has the publicsetProps method. setProps must take parameters that are compatible with the instance of a class derived from BaseClass. This is achieved with generics. The method will look like the following piece of code:

I constrain the type parameter T to represent a type that inherits from BaseObject by using the syntax <T extends BaseObject>.

Now, I want to assign the properties of the passed parameter to the object on which setProps was called. To achieve this, I proceed as shown in the following excerpt:

The for in loop gets all the keys in values and for each such property, if its value is not null, assigns it to the same property on the calling object.

#generics #typescript #mapped-types

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Smart Typescript Bulk Property Assignment
Adele Hansley

Adele Hansley

1625577097

Tips For Writing A Biology Assignment

Writing a biology assignment could be a tedious task; with the amount of information that is presented before a student, it becomes pretty complicated to process all that information and then simplify it and present it in the form of an assignment. To ease the burden off students’ shoulders, some online writing services provide academic writings online where one can seek biology assignment help.

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Research should always begin with narrowing down possible topics. After deciding upon the topic, a student should put on thorough research on that topic. One can also seek help from a biology assignment writer; these professional academic writers have helped students worldwide finish their assignments well before the deadline
Let your interest and curiosity carry you to that topic. After contracting a case doing bulks of research, and studying all that you can. After selection of the subject comes the part of studying and writing all that you can about that topic. All the material for your assignment would come from studying and writing about that topic.

After you have exhausted your research into that topic, the next task that follows is choosing material relevant enough to go into your assignment among all the bundles of knowledge you have with you. Simplifying the complicated text of your research to fit into your assignment would be the next task on your table.

Assignment Format

Start your paper with an introduction, an introduction to the topic you are about to explore, and a brief overview of it. Follow it by two to three paragraphs of your research into that paper. There is also an option of a biology assignment helper who can help you get that desired grade.

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Max Willor

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david harper

1610429951

Hire Smart Contract Developers | Smart Contract Development Company India

What are smart contracts?

Smart contracts is a digital code stored in a blockchain and automatically executes when predetermined terms and conditions are met. In Simple terms, they are programs that run by the setup of the people who developed them.They are designed to facilitate, verify, and execute a digital contract between two parties without the involvement of third parties.

Benefits of Smart Contracts

Greater efficiency and speed
Accuracy and transparency
Trust
Robust Security
Independent verification
Advanced data safety
Distributed ledger
Ease of use
Open source technology
Better flexibility
Easy integration
Improved tractability

Where could smart contracts be used?

Today Smart contracts are used in various platforms such as supply-chain management,cross-border financial transactions,document management,enforceability and more. Here are the Sectors where smart contracts plays a huge role ,

  • Supply chain management
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  • Financial industry
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Steps For Successful Smart Contract Development

There are a few Important things that you need to consider before you develop a Smart Contract,

Ask Yourself -

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Tamia  Walter

Tamia Walter

1601396400

Bulk Updates with Optimistic Concurrency Control

In this blog we are going to focus on a scenario where you want to do many updates to vertices in a graph stored in Azure Cosmos DB using the Gremlin API, where each update needs to account for other updates that might occur at the same time.

A great feature about the Core (SQL) API in Azure Cosmos DB is that it is fully interoperable with the Gremlin API with respect to CRUD operations, which means you can use all of the powerful features in Core (SQL) API and it’s SDKs to manipulate vertices and edges in a graph.

A feature that has been added to the .NET SDK in Azure Cosmos DB since version 3 is bulk support, which we will also explore here. The bulk support feature in the SDK is a replacement for the older bulk executor library, and now fully supports all CRUD operations (insert, update, read, delete).

The full code sample for the below can be found here.

Bulk Scenario

Imagine you have a graph which models devices across a fleet of cars. Suppose you want to run a bulk operation to increase a temperature setting on each device by a certain amount for all devices in a particular fleet, but you are aware that independent operations could also be setting the temperature setting at the same time, and you want to make sure that this temperature state is not overwritten in your bulk update. In other words, you want to ensure all devices have their temperature setting increased by the same amount, relative to the value that was present in the database at the time of bulk update, without missing any interim updates. First, lets model the vertices in the graph as classes:

    public class VertexDevice
    {
        [JsonProperty("id")]
        internal string Id { get; set; }

        [JsonProperty("pk")]
        internal string pk { get; set; }

        [JsonProperty("label")]
        internal string label { get; set; }

        [JsonProperty("model")]
        public List<VertexProperty> model { get; set; }

        [JsonProperty("temp")]
        public List<VertexPropertyNumber> temp { get; set; }

        [JsonProperty("status")]
        public List<VertexProperty> status { get; set; }

        [JsonProperty("_rid")]
        internal string _rid { get; set; }

        [JsonProperty("_self")]
        internal string _self { get; set; }

        [JsonProperty("_etag")]
        internal string _etag { get; set; }

        [JsonProperty("_attachments")]
        internal string _attachments { get; set; }

        [JsonProperty("_ts")]
        internal string _ts { get; set; }
    }

    public class VertexProperty
    {
        [JsonProperty("id")]
        public string Id { get; set; }

        [JsonProperty("_value")]
        public string _value { get; set; }
    }

    public class VertexPropertyNumber
    {
        [JsonProperty("id")]
        public string Id { get; set; }

        [JsonProperty("_value")]
        public int _value { get; set; }
    }

#core (sql) api #gremlin api #tips and tricks #.net sdk #bulk delete #bulk insert #bulk reads #bulk support #bulk updates #etag #gremlin #optimistic concurrency #sql api