teleren/devto huggingface dataset:
Java 17 Pattern Matching
Tags: java17, webdev, backenddevelopment, pattern
Published: 2024-02-24 08:14:47

"Unveiling Java 17: Embracing Pattern Matching for Cleaner Code"

Introduction:
Java 17 brings exciting features to the table, and one that stands out is pattern matching. This post delves into how pattern matching simplifies code and enhances readability, using a hands-on approach.

Section 1: Understanding Pattern Matching
1.1 The Essence of Pattern Matching
Pattern matching is a paradigm shift in Java programming, offering a more concise and expressive way to handle complex conditional scenarios.

1.2 Upgrading Switch Statements
Traditional switch statements in Java have limitations. With Java 17, pattern matching makes switch statements more robust and elegant.

Section 2: Hands-On Example
2.1 Scenario: Dealing with Shapes
Consider a scenario involving different shapes to illustrate the benefits of pattern matching.

2.2 Traditional Approach
Let's explore the conventional instanceof and casting method. While it works, it often results in verbose and error-prone code.

java
// Traditional instanceof and casting
if (shape instanceof Circle) {
    Circle circle = (Circle) shape;
    // Perform circle-specific operations
} else if (shape instanceof Rectangle) {
    Rectangle rectangle = (Rectangle) shape;
    // Perform rectangle-specific operations
}
2.3 Pattern Matching Approach
Now, witness the power of pattern matching in simplifying the code:

java
// Pattern matching in switch
switch (shape) {
    case Circle c -> {
        // Perform circle-specific operations
    }
    case Rectangle r -> {
        // Perform rectangle-specific operations
    }
}

Section 3: Best Practices
3.1 Optimal Use Cases
To make the most of pattern matching, employ it in scenarios where it significantly improves code clarity.

3.2 Avoiding Pitfalls
While pattern matching streamlines code, be cautious of common pitfalls. Follow best practices to ensure seamless integration.

Section 4: Implementing Pattern Matching in Your Projects
4.1 Set Up Java 17
Before diving in, ensure your environment is ready with Java 17.

4.2 Integration Tips
Integrating pattern matching into your projects is straightforward. Let's explore practical examples and snippets to ease the process.

Conclusion:
Pattern matching in Java 17 is a game-changer, offering a more elegant and readable coding experience. Embrace this feature to enhance your codebase and stay ahead in the Java development landscape.

Call-to-Action:
Experiment with pattern matching in your projects, share insights with the community, and explore other Java 17 features for a richer development experience.
What are you learning about this weekend? 🧠
Tags: learning, beginners, discuss
Published: 2024-02-24 11:00:00

Hey hey! 👋

Hope everybody is having a wonderful weekend. 🙂

Whether you're sharpening your [JS](https://dev.to/t/javascript) skills, making PRs to [your OSS repo of choice](https://github.com/forem/forem) 😉, sprucing up your portfolio, or [writing a new post](https://dev.to/new) here on DEV, we'd like to hear about it.

Learn, learn, learn, and if you're up for it, come back here on DEV and share your newfound knowledge.

![A cartoon of cute little brains all with smiley faces sitting in a row together. The brains open up and this white amorphous material flies out of one brain and into another that's nearby. It's meant to signify knowledge sharing.](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/lppakivpakmc7jg79r68.gif)
PK88VN
Tags: webdev, beginners
Published: 2024-02-24 10:57:17

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Monograms NYC
Tags: personalizedjewelry, custommonogramjewelry, custompicturejewelry, engravablenecklaces
Published: 2024-02-24 10:48:20

Monograms NYC is the epitome of fashion-forward elegance in the realm of [personalized jewelry](https://www.monogramsnyc.com/). Our curated collection showcases bespoke [custom monogram jewelry](https://www.monogramsnyc.com/collections/monogram-jewelry), chic [custom picture jewelry](https://www.monogramsnyc.com/collections/picture-pendants), and sophisticated [engravable necklaces](https://www.monogramsnyc.com/collections/engravable-necklace), all exquisitely crafted to mirror your distinctive style. At Monograms NYC, we believe that jewelry serves as an extension of one's unique personality, and our skilled artisans are dedicated to designing meaningful, trendsetting pieces that accentuate your individual flair. Revel in the allure of our personalized jewelry, and make a statement with the inimitable charm of Monograms NYC's luxurious creations.
Check out [Monograms NYC picture pendants](https://www.monogramsnyc.com/collections/picture-jewelry-pendants-with-personalized-name) and other custom jewelry on our website.

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The Importance of Keys in Mapping an Array of Objects in React
Tags: react, map, beginners, webdev
Published: 2024-02-24 10:46:22

With the help of the robust JavaScript package React, developers can create dynamic, interactive user interfaces. Mapping over an array of objects to render components dynamically is a typical operation in React development. In the process, it's important to comprehend the relevance of keys, which are essential to React's virtual DOM reconciliation mechanism.
Let's examine a React component that overlays a variety of Names objects in more detail and discuss the significance of keys in this context. In the below example, I've used the index of map object as a key to the Names component which displays names and a checkbox next to it and it is passed as a prop by Main component.
![Making use of index in Main.tsx](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/0hej9o7z9sf46ikaw6hd.png)

![Names.tsx component](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/w5pq41mpxlq2t8r7581c.png)
Here, in the Main component, if the array is shuffled by checking on one particular index for instance 3, then irrespective of the names, the third index of the array will show checked. So to overcome this hurdle, we use keys in array, most probably "id" is used as a key to maintain uniqueness. As shown below

![Making use of id in Main.tsx](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/11nb7su9mlptirq5m747.png)

- Keys' Function in React Rendering Performance Optimization:
- React updates and re-renders components quickly by using keys. React can rapidly determine whether elements have been added, removed, or changed from a list by comparing the keys. React might have to regenerate the full list in the absence of keys, adding needless overhead to the performance cost.
- Maintaining Component State: React maintains the state of components that have the same key when a component is re-rendered as a result of modifications to the parent component's state or props. This guarantees that, in the event of a Superhero component, any user interactions or local information will be preserved over re-renders.
- Stable Elements Identifiers: In the virtual DOM, keys give elements a stable identifier. React updates the DOM quickly and effectively by using these identifiers.

**Conclusion**
Building scalable and performant apps using React requires not only adhering to best practices, but also employing keys when mapping over an array of objects. Developers may optimize their React applications for rendering efficiency and maintain a consistent and stable state across re-renders by knowing the significance of keys.
C# ASP.NET: Modern Web Geliştirmenin Temel Taşı
Tags: webdev, programming, tutorial, csharp
Published: 2024-02-24 10:44:54

Web geliştirme, günümüzde hızla değişen ve gelişen bir alan haline gelmiştir. Bu değişim ve gelişimle birlikte, geliştiricilerin ihtiyaç duyduğu güçlü ve esnek araçlar da sürekli olarak evrim geçirmektedir. İşte bu noktada, C# programlama dili ile ASP.NET framework'ün bir araya gelmesi, modern web geliştirmenin temel taşlarından birini oluşturur.

C# ve ASP.NET: Kuvvetli Bir İttifak

C# programlama dili, Microsoft tarafından geliştirilen güçlü bir dildir. Temel altyapısıyla nesne yönelimli programlama prensiplerini destekler ve geliştiricilere geniş bir kullanım alanı sunar. C#'ın net ve anlaşılır sözdizimi, geliştirme sürecini kolaylaştırır ve hata ayıklamayı daha verimli hale getirir.

ASP.NET ise, dinamik ve etkileşimli web uygulamaları geliştirmek için kullanılan bir framework'tür. Bu framework, güçlü bir altyapı sunar ve modern web standartlarını destekler. ASP.NET'in bileşen tabanlı mimarisi, web uygulamalarının modüler ve ölçeklenebilir olmasını sağlar. Ayrıca, ASP.NET'in sunucu taraflı kod çalıştırma modeli, web uygulamalarının daha hızlı ve güvenli olmasını sağlar.

Güvenilirlik ve Performans

C# ve ASP.NET, güvenilirlik ve performans konularında da önemli avantajlar sunar. C# dilinin güçlü tip güvenliği ve ASP.NET'in derlenmiş doğası, web uygulamalarının güvenlik açıklarından korunmasını sağlar. Ayrıca, ASP.NET'in optimize edilmiş yapısı ve C#'ın performans odaklı tasarımı, web uygulamalarının hızlı ve verimli bir şekilde çalışmasını sağlar.

Geliştirici Dostu Araçlar

C# ASP.NET geliştiricilerine, modern ve kullanıcı dostu araçlar sunar. Visual Studio gibi entegre geliştirme ortamları, geliştirme sürecini kolaylaştırır ve hızlandırır. Ayrıca, ASP.NET Core gibi açık kaynaklı ve çok platformlu bir framework, geliştiricilere esneklik ve özgürlük sağlar. Bu sayede, farklı platformlarda çalışan ve farklı cihazlara uyumlu web uygulamaları geliştirmek mümkün hale gelir.

Sonuç

C# ASP.NET, modern web geliştirmenin vazgeçilmez bir parçasıdır. Güvenilirlik, performans, esneklik ve kullanıcı dostu araçlar gibi avantajlarıyla, geliştiricilere en iyi deneyimi sunar. Eğer modern web teknolojileriyle tanışmak ve güçlü web uygulamaları geliştirmek istiyorsanız, C# ASP.NET sizin için ideal bir seçenek olabilir.


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Boost Your Productivity: Explore Expert Tips and Hacks
Tags: productivity, productivitytips, productivityhacks, productivitytutorial
Published: 2024-02-24 10:44:48


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In our latest feature at [*productivity.directory/notes/hacks*](https://productivity.directory/notes/hacks), we delve into diverse strategies that cover everything from time management to maintaining mental clarity. For instance, learn how to leverage the [Pomodoro Technique](https://productivity.directory/notes/pomodoro-technique) to break your work into manageable intervals, significantly boosting your focus and stamina over long periods.

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Remember, a more productive life begins with the right approach. Let us guide you towards achieving your fullest potential.
The modulus operator in .NET
Tags: dotnet, 100daystooffload, csharp, fsharp
Published: 2024-02-24 10:43:25

Something that I have been able to avoid is how the modulus operator `%` is implemented in different programming languages.

While trying to implement and learn some cryptographic algorithms in .NET (F# mostly of course) I got into some trouble with the modulus operator.

Here is a clear example:

```
dotnet fsi
> -10 % 3;;
val it: int = -1

python3
>>> -10 % 3
2
```

After some research I found this blog post, [What's the difference? Remainder vs Modulus](https://learn.microsoft.com/sv-se/archive/blogs/ericlippert/whats-the-difference-remainder-vs-modulus) by Eric Lippert.

> The % operator does not give the canonical modulus, it gives the remainder.

So the thing is that some programming languages are implementing the % operator either as a **canonical modulus** or as the **remainder operation**.

In this case I want the canonical one and not the remainder that .NET uses.

To keep going with my cryptographic explorations in F#, I used this implementation which is inspired by this issue, [Proposal: New operator %% for canonical Modulus operations](https://github.com/dotnet/csharplang/issues/7599), from the C# Language Design repository. 

```fsharp
let (%%) a b =
    let c = a % b
    if (c < 0 && b > 0) || (c > 0 && b < 0) then
        c + b
    else
        c
```

Now I can use it like this.

```
dotnet fsi
> -10 %% 3;;
val it: int = 2
```

Happy modulus!
react useDebounce
Tags: react, javascript, typescript, webdev
Published: 2024-02-24 10:03:34


## What is debounce?
Debouncing is a programming practice used to ensure that certain events do not fire too often, this could be anything from a button click to a search input. The idea is to limit the number of times a function is called to improve performance and prevent unnecessary re-renders. 

Most commonly, debounce is used in the context of user input, such as a search input. When a user types into a search input, the application will often make a request to a server to fetch the results. If the user types quickly, this could result in a large number of requests being made in a short period of time. By debouncing the input, we can ensure that the request is only made after the user has stopped typing for a certain period of time.

## A simple debounce hook
Here's a simple debounce hook that you can use in your React applications:

```jsx
import { useState, useEffect } from 'react';

/**
 * useDebounce hook
 * 
 * @param {any} value The value to debounce.
 * @param {number} delay The delay in milliseconds to wait before updating the debounced value.
 * @return The debounced value.
 */
function useDebounce(value, delay) {
  // State and setters for debounced value
  const [debouncedValue, setDebouncedValue] = useState(value);

  useEffect(() => {
    // Set debouncedValue to value (passed in) after the specified delay
    const handler = setTimeout(() => {
      setDebouncedValue(value);
    }, delay);

    // Cancel the timeout if value changes (also on component unmount), which is the cleanup function of useEffect
    return () => {
      clearTimeout(handler);
    };
  }, [value, delay]); // Only re-call effect if value or delay changes

  return debouncedValue;
}

export default useDebounce;
```

You can use this hook in your components like this:

```jsx
import React, { useState } from 'react';
import useDebounce from './useDebounce';

function MyComponent() {
  // State and setter for search term
  const [searchTerm, setSearchTerm] = useState('');

  // State and setter for search results
  const [results, setResults] = useState([]);

  // Now we call our hook, passing in the current searchTerm value and the delay
  // we'd like to wait before updating the debounced value
  const debouncedSearchTerm = useDebounce(searchTerm, 500);

  useEffect(
    () => {
      if (debouncedSearchTerm) {
        searchCharacters(debouncedSearchTerm).then(results => {
          setResults(results);
        });
      }
    },
    [debouncedSearchTerm] // Only call effect if debounced search term changes
  );
}
```

In this example, we have a search input that updates the `searchTerm` state as the user types. We then use the `useDebounce` hook to debounce the `searchTerm` value, and only make the request to the server after the user has stopped typing for 500 milliseconds.

This way we don't send too many unnecessary requests to the server, but instead for the most part only send a request when the user has stopped typing for a desired amount of time, in this case half a second.
Spend Less-Achieve More-The Thrifty Works information
Tags: beginners, webdev, programming, productivity
Published: 2024-02-24 09:59:48

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Engadin Outdoor Center
Published: 2024-02-24 09:43:45

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Wastewater Treatment Plant Manufacturers in Aligarh
Tags: wastewatertreatmentplant, etpmanufacturer, stpmanufacturer, watertreatmentplant
Published: 2024-02-24 09:34:13

We are the leading [wastewater treatment plant manufacturers](https://penguinwatertechnologies.in/) in the industry. Our team of experienced engineers and technicians are dedicated to providing quality and reliable wastewater treatment systems for any application. We offer a wide range of wastewater treatment plants for residential, commercial, industrial, and municipal applications. Our wastewater treatment systems provide efficient and cost-effective treatment of wastewater, with minimal environmental impact. We use the latest technology and advanced engineering to design and construct highly efficient wastewater treatment systems that meet the needs of our clients. Our systems are designed to reduce energy consumption and operational costs while meeting all environmental regulations. We also provide comprehensive maintenance and support services to ensure the long-term reliability of our wastewater treatment systems.
Best Dental College in Hyderabad, Telangana
Tags: bestdentalcollege, topdentalcollege, topbdscollege, topmdscollege
Published: 2024-02-24 09:27:33

Sri Sai College of Dental Surgery & Hospital (SSCDS) is a renowned institution for dental education in Hyderabad, India. With a strong focus on both BDS and MDS programs, SSCDS provides comprehensive and high-quality training for dental students
Mitom tv
Published: 2024-02-24 08:57:22

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Pick, Omit and Partial in Typescript
Published: 2024-02-24 08:50:08

A. Pick<T,K>
Use pick to create a new type from a previous type with only a few necessary keys.

```
interface User {
  name: string;
  age: number;
}

type PickUser = Omit<User, 'name'>;

// Resut
type PickUser = {
    name: string;
};
```

B. Omit<T,K>
While Pick is handy, there are occasions when the inverse operation is required. We may need to construct a type that includes everything except a few fields from a preceding type

```
interface User {
  name: string;
  age: number;
}

type OmitUser = Omit<User, 'name'>;

// Resut
type OmitUser = {
    age: number;
};

```
C. Partial<T>
This utility type facilitates swift creation of a type with optional or undefined properties based on an existing type

```
interface User {
  name: string;
  age: number;
}

type PartialUser = Partial<User>;

// Resut
type PartialUser = {
    name?: string | undefined;
    age?: number | undefined;
};
```
Sansa- The Fabric Store
Published: 2024-02-24 08:50:08

"Unleash your inner fashionista at [Sansa Fabric Store](https://maps.app.goo.gl/T7j7RHEpdqe4sYEG7), Nagpur's one-stop shop for exquisite unstitched fabrics! We offer a vibrant tapestry of materials, from airy cottons to luxurious silks, catering to every garment-making dream. Browse stunning prints, classic solids, and intricate embroideries ony at Sansa :Best Fabric Shop in Nagpur At Sansa Fabric Store in Nagpur, we have fabrics of all types, colors, patterns, and textures. You’ll find cotton, silk, wool, linen, rayon, polyester, and more. You’ll also find organic, eco-friendly, and recycled fabrics for a greener choice. We have fabrics for quilting, dressmaking, home decor, accessories, and more. Visit us and let your fashion dreams take shape"
Proclinica Robotic physiotherapy Clinic
Published: 2024-02-24 08:49:13

["Proclinica Robotic](https://g.co/kgs/8peuUee) Advanced Physiotherapy clinic provides World-class Physical Therapy services at an affordable cost in Somalwada, Nagpur. We at Proclinica Physiotherapy center in Nagpur provide best physiotherapy treatment, Our specialist physiotherapists are experienced over 10+ years treating Patients in Nagpur. We offers you the most skilled, certified and experienced team of physiotherapists. Our USP lies in understanding the root cause of the problem, educating the patient and their family, analyzing the need, designing and providing an evidence-based treatment, and preventing further injuries. We use most advanced technology and treatment options available in the field currently available coupled with skilled manual therapy."