teleren/devto huggingface dataset:
WEB SEO ZONE
Tags: digitalworkplace, seo, web, devolp
Published: 2023-11-30 16:20:07

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DIGITAL MARKETING SERVICES
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WEB SEO ZONE Digital Marketing Services
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Insights into Null Coalescing Operator and If Conditions for Faster Coding
Tags: learning, productivity
Published: 2023-11-30 16:11:29

I thought the null coalescing operator was limited to something like:

```php
null ?? 'show this value';
undefined ?? 'show that value';
```

However, it surprised me that we can actually chain and use it multiple times, as in:

```php
null ?? undefined ?? 'show this value';
```

While this chaining capability exists, it's not always recommended. Typically, for the sake of readability, a more explicit 'if' condition would be preferable. But, it might be handy and preferable for a concise single line of code.

And speaking of 'if' condition, I also learned that we could use a single line of code for both 'else if' and 'else' (without curly braces), as demonstrated in the image below.

![code example](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/px8w0q7ygln5jhhyqs69.png)

Credits to Jeffrey Way in [his great series about PHP](https://laracasts.com/series/php-for-beginners-2023-edition), but it's really more than that.
Logical OR (||) vs. Nullish Coalescing (??) For Default Values
Tags: javascript, webdev, programming, beginners
Published: 2023-11-30 16:11:14


## Using `||` for default values

If you are coding in JavaScript for a while so you must be using `||` in many places, especially in conditionals.

But sometimes, we often use `||` to assign default values.

For example, sometimes, during some calculations, we might get `null` (falsy value) from backend API but we don't want to show `null` as such, we want to show `0`.
So, we might do something like this:

```js
// Simulating a scenario where a backend API returns a null number
const returnedPriceFromAPI = null;

// Using the || operator to assign a default value if the returned number is falsy
const calculatedPrice = returnedPriceFromAPI || 0;

console.log(calculatedPrice) // 0
```

Similar example for strings can be given below:
```js
// Simulating a scenario where a backend API returns a null string
const returnedNameFromAPI = null;

// Using the || operator to assign a default value if the returned name is falsy
const displayName = returnedNameFromAPI || "Anonymous";

console.log(displayName); // "Anonymous"
```

In this example, if returnedNameFromAPI is falsy (null in this case), we default to the string "Anonymous." 

💡 **This can be particularly handy when you want to ensure that you always have a meaningful value to work with, even if the API response is not as expected.**

## Should you always use `||` ?

I would not advise that. Why?

**Logical OR operator uses the right side value if the left side one is falsy** and even though it works perfectly fine but we all know in JavaScript, undefined or null does not mean false so we have nullish operator specifically to deal with null and undefined so it is advised to use that instead and follow standard code practices.

In JavaScript, falsy does not mean `undefined` or `null`. 

Look at this:

```js

console.log(true || "shameel"); // true
console.log(false || "shameel"); // "shameel"

console.log(0 || "shameel"); // "shameel"
console.log(1 || "shameel"); // 1

console.log("uddin" || "shameel"); // "uddin"
console.log("" || "shameel"); // "shameel"

console.log(undefined || "shameel"); // "shameel"
console.log(null || "shameel"); // "shameel"

```
## Using `??` for default values


`nullish` strictly means `null` or `undefined`. Nothing else. It can be considered as a subset of `falsy`.

So, if your intention is to use default values **when something received is `null` or `undefined` ONLY** then you must prefer `??`.

Lets look at this:

```js

console.log(true ?? "shameel"); // true
console.log(false ?? "shameel"); // false

console.log(0 ?? "shameel"); // 0
console.log(1 ?? "shameel"); // 1

console.log("uddin" ?? "shameel"); // "uddin"
console.log("" ?? "shameel"); // ""

console.log(undefined ?? "shameel"); // "shameel"
console.log(null ?? "shameel"); // "shameel"


```

I hope the blog helps you in some way :)

Please let me know if any correction is required elsewhere or a better advice =)

Happy coding! 🎉💻✨

Follow me for more such content:
LinkedIn: https://www.linkedin.com/in/shameeluddin/
Github: https://github.com/Shameel123
How To Limit Lines Of Text With CSS 'line-clamp' Property 👩🏼‍💻.
Tags: webdev, css, frontend, html
Published: 2023-11-30 16:10:36

**The `line-clamp` property in CSS is a convenient way to truncate multi-line text and show an ellipsis (...) at the end, limiting the display to a specified number of lines. Here's a quick tutorial on how to use the `line-clamp` property:**

{% youtube 91pYnwav14Y %}
<br>
{% codepen https://codepen.io/Ishrat_Pinky/pen/YzveVXx %}


<br> 
here let's another example - 

```css

/* CSS Code */

/* Apply the line-clamp property to the element you want to truncate */
.truncate-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* Set the number of lines you want to display */
  -webkit-line-clamp: 3; /* Change '3' to the desired number of lines */
}

/* Add styles for better appearance */
.truncate-text {
  /* Set a specific height for the container (optional) */
  height: 3em; /* Change '3em' to adjust the height */
  /* Ensure proper text wrapping within the container */
  white-space: normal;
}
```

In this example, the `.truncate-text` class is applied to the HTML element containing the text you want to truncate. The `-webkit-box` and `-webkit-box-orient` properties are used for compatibility with WebKit browsers (such as Chrome and Safari).

The key property is `-webkit-line-clamp`, where you specify the number of lines you want to display before truncating the text. In this example, it's set to `3`. Adjust this value according to your design requirements.

The `overflow: hidden` property ensures that any overflowing text is hidden, and the `white-space: normal` property ensures proper text wrapping within the container.

Here's an example of how you can apply this class in HTML:

```html
<!-- HTML Code -->

<div class="truncate-text">
  <!-- Your text content goes here -->
  Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
</div>
```

Remember to adjust the class name and the number of lines according to your use case. This method is widely supported in modern browsers but primarily uses the `-webkit-` prefix for now. Keep an eye on updates and support in other browsers.

### That's all for today! Happy Coding 👩🏼‍💻🙋‍♀️.
ファンアウト・ソフトウェアとは？
Published: 2023-11-30 16:00:34

ファンアウトは、メッセージが1対多の配置でブロードキャストされるメッセージングパターンである。このパターンの基本的な例は、[Publish/Subscribeメッセージングシステムの](https://www.pubnub.com/learn/glossary/what-is-publish-subscribe/)機能に見ることができます。Pub/Subは、単一の送信者から複数の受信者にメッセージをルーティングする機能を意味するからです。

ファンアウトメッセージングは何に使われるのか？
-----------------------

ファンアウトとは、サービスやメッセージルーターが複数のユーザーにメッセージを配信することです。ソフトウェアやオンラインサービスでは、論理ゲート出力のファンアウトは、それが操作できるゲート入力の数を意味します。例えば、1つの出力が複数の入力にリンクされている場合があります。

ファンアウト型サービスパターンの種類
------------------

Pub/Subに基づいたより複雑なファンアウトメッセージングパターンは、パブリッシャー が全ての、あるいはいくつかのチャンネルにメッセージをプッシュし、別々の チャンネルにいる様々なサブスクライバーが同時に同じメッセージを受け取れるようにする ために使われるかもしれない。これは、関連するサブスクライバーのセットに対して全体的に通知する方法が 必要な場合に有用である。

ファンアウトを実装するもう1つの構成は、1つのデータソースからのリアルタイムイベントが複数のエンドポイントにわたって並行して送信される必要があるPush/Pullメッセージングパターンで見つけることができます。

### ファンアウトメッセージサービスの例と使用例

ファンアウトメッセージルーティングは、監視ログを1つのサーバから複数のサーバにレプリケートしたり、複数の関係者に通知を送信したり、分散型（またはモジュール型）アプリケーションの可動部分を同期したりするようなユースケースに適用できます。

### ファンアウト書き込みとファンアウト読み取りの違いは何ですか？

ファンアウト書き込みとファンアウト読み取りの違いを理解する良い方法は、Twitterのようなサービスを例に挙げることです。あなたがツイートを投稿すると、Twitterはあなたをフォローしているすべての人にそのツイートを即座に送信します。これをファンアウト書き込みと呼ぶ。

一方、フィードサービスでは、ユーザーがフィードを積極的に閲覧するまで待ってから、そのユーザーに関連する投稿を見つけて表示することがあり、これをファンアウトリードと呼びます。

PubNubはどのようにお役に立ちますか？
=====================

この記事は[PubNub.comに](https://pubnub.com/guides/what-is-fan-out-software/)掲載されたものです。

PubNubのプラットフォームは、開発者がウェブアプリ、モバイルアプリ、IoTデバイス向けにリアルタイムのインタラクティブ機能を構築、提供、管理できるように支援します。

私たちのプラットフォームの基盤は、業界最大かつ最もスケーラブルなリアルタイムエッジメッセージングネットワークです。世界15か所以上で8億人の月間アクティブユーザーをサポートし、99.999%の信頼性を誇るため、停電や同時実行数の制限、トラフィックの急増による遅延の問題を心配する必要はありません。

PubNubを体験
---------

[ライブツアーを](https://www.pubnub.com/tour/introduction/)チェックして、5分以内にすべてのPubNub搭載アプリの背後にある本質的な概念を理解する

セットアップ
------

[PubNubアカウントに](https://admin.pubnub.com/signup/)サインアップすると、PubNubキーに無料ですぐにアクセスできます。

始める
---

[PubNubのドキュメントは](https://www.pubnub.com/docs)、ユースケースや[SDKに](https://www.pubnub.com/docs)関係なく、あなたを立ち上げ、実行することができます。
Useful javascript nuggets
Published: 2023-11-30 15:49:18



Revised javascript objects, noted some useful points:

We can omit the quotes for single-word string properties, like `make` in the following example-
const anotherObject = {
  make: "Ford",
  5: "five",
  "model": "focus"
};
*Notice `5`, we can also use numbers as properties.

If the property of the object we are trying to access has a space in its name, we need to use bracket notation, ex: myObj["Space Name"];	

We can add new properties to existing JavaScript objects the same way you would modify them. Ex: ourDog.bark = "bow-wow"; // `bark` property was not declared initially

delete properties from objects like this: delete ourDog.bark;

someObject.hasOwnProperty(someProperty) returns true or false depending on if the property is found on the object or not

*In a code, records[id][prop].push(value) was giving error because the array was not defined in some cases, so changed the code to:
    const arr = records[id][prop] || []
    arr.push(value)
    records[id][prop]=arr
How to setup Cloudflare caching for WordPress (Step by Step)
Published: 2023-11-30 15:45:18

Assume you connected your WordPress with Cloudflare.

## Step 0 

Verify if you haven't done it yet. Go to Chrome Developer Tools => Network => Click on your domain as the screenshot

[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/fhbgyqmdq9mtsdz1mqdk.png)](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/fhbgyqmdq9mtsdz1mqdk.png)


For example, the response time is **775ms** in this screenshot. It should be **< 100ms** after you do it.


**Before**
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/qowgjugs2b7cbk22fkts.png)

**After**
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/qbt6y8ynrypbc0qfl0qo.png)




## Step 1
Installing Cloudflare plugin (It will help you to clear caching when you modify your posts)

[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/cbq09ujtyxwiy1icdv8f.png)](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/cbq09ujtyxwiy1icdv8f.png)

## Step 2
 Adding your Cloudflare API key. You can follow how to do it by following in the video: https://youtu.be/OR0DVuq_9xQ?t=431


[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/rvpc8wlzxwuo6w99zvr0.png)](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/rvpc8wlzxwuo6w99zvr0.png)

## Step 3
Create a new cache rule 1: Ignore caching for your admin pages 


[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/kypkhxuc38ejwgxg5iw2.png)](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/kypkhxuc38ejwgxg5iw2.png)


## Step 4
 Create a new cache rule 2: Caching other pages

[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/d0eom3vu39i09yuvf0c5.png)](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/d0eom3vu39i09yuvf0c5.png)



## Step 5
  Disable The WordPress User Admin Toolbar
There are a lot of guides about how to disable the toolbar, for example: https://www.wpexplorer.com/disable-wordpress-admin-bar/#:~:text=The%20quickest%20and%20easiest%20way,%E2%80%9D%20(see%20image%20below)

## Step 6 (Conclusion)
 Verify if you did it. Go to Chrome Developer Tools => Network => Click on your domain as the screenshot => Refresh several times and see `Cf-Caching-Status: Hit` and `Age: number` go up


[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/oiwvdwcc3u3lhsjo305x.png)
](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/oiwvdwcc3u3lhsjo305x.png)


### Step 7 (Tips)

When you need to change things dramatically, for example, theme, SEO, ...
You could have to purge caching for everything:


[![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ijjkdfu2cgyp3rpbys0a.png)](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ijjkdfu2cgyp3rpbys0a.png)


### Step 8 (Bonus)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/eg1jl4pmegb8jziiohz3.png)
Navigating the Coding Challenge Seas: Unraveling the Search in Rotated Sorted Array Puzzle
Tags: programming, java, tutorial
Published: 2023-11-30 15:43:04

Hey Dev.to community! 👋 Today, I'm thrilled to share a recent triumph in the coding realm – solving the LeetCode problem "Search in Rotated Sorted Array".

The Challenge:
The task at hand involved searching for a target element in a rotated, sorted array. Sounds tricky, right? But fear not, as I dove into the problem armed with a Java implementation and a strategic algorithm.

The Algorithm:
Let's break down the thought process behind the solution:

```
// Java code snippet
public class D1 {
    public static void main(String[] args) {
        // Given rotated sorted array
        int[] nums = {4,5,6,7,0,1,2};
        int target = 0;
        int low=0;
        int high=nums.length-1;
        int result=-1;

        while(low<=high) {
            // Binary search implementation
            int mid = high+(low-high)/2;
            if(nums[mid] == target) {
                result = mid;
                break;
            }

            // Check if the left part is sorted
            if(nums[low] <= nums[mid]) {
                // Check if there is a possibility that the target exists here
                if(nums[low] <= target && target <= nums[mid]) {
                    high = mid - 1;
                } else {
                    low = mid + 1;
                }
            } else {
                // Check if there is a possibility that the target exists here
                if(target <= nums[high] && nums[mid] <= target) {
                    low = mid + 1;
                } else {
                    high = mid - 1;
                }
            }
        }

        System.out.println(result);
    }
}
```
The algorithm cleverly narrows down the search space by identifying sorted portions of the rotated array and zeroing in on the potential location of the target.

Resources and Learning:
To solidify my understanding and approach, I delved into other valuable resources:
https://www.youtube.com/watch?v=U8XENwh8Oy8
https://takeuforward.org/data-structure/search-element-in-a-rotated-sorted-array/
These resources provided additional insights and perspectives, contributing to a holistic grasp of the problem.

As I share this accomplishment, I'm eager to connect with the Dev.to community. Your feedback, thoughts, and alternative approaches are not just welcomed but encouraged. Let's learn and grow together!

This coding journey is a testament to my commitment to professionalism, continuous learning, and problem-solving skills. The ability to navigate complex challenges is not just a technical feat but a demonstration of adaptability and perseverance.
Navigating the Code Jungle: What Defines a Senior Developer
Tags: webdev, programming, career, development
Published: 2023-11-30 15:37:59

In the ever-evolving landscape of software development, achieving the status of a senior developer is akin to leveling up in a challenging game. It's not just about the number of coding hours logged; it's about mastering the art of oversight, anticipating project potholes, and being the gatekeeper of security. Let's delve into what truly makes a developer 'senior.'

**Experience as the Backbone:**

Sure, experience is the old reliable companion on this coding journey. It's not just about the years, but the battles fought and conquered. A senior developer's prowess isn't just in writing code; it's about understanding the entire lifecycle of a project. They've been around the block enough times to have seen the good, the bad, and the downright ugly in codebases.

**Eagle-Eyed Oversight:**

Picture a senior developer as the project's air traffic controller. They don't just focus on their code; they're up there, overseeing the entire project airspace. From code architecture to deadlines, they have a knack for keeping things on course. It's not micromanaging; it's about ensuring that the project takes off smoothly and lands without a glitch.

**Fortune-Teller of Issues:**

A senior developer isn't just a code mechanic fixing issues as they pop up; they're more like fortune-tellers, predicting potential problems before they cast their dark shadows. Whether it's a scalability concern, a compatibility hiccup, or an impending performance bottleneck, they see it coming and tackle it head-on, averting disasters before they unfold.

**Security Sentinel:**

In an era where cyber threats lurk in every corner of the digital realm, a senior developer is the unsung hero donning the cape of security consciousness. They embed security measures into their code DNA, foreseeing potential vulnerabilities and crafting digital fortresses around their creations. It's not just about preventing attacks; it's about making sure the code stands tall against any onslaught.

**Mentorship Magic:**

Being a senior developer isn't a solo gig. It's about being a sherpa, guiding the expedition for the coding enthusiasts climbing the mountain. They share their wisdom generously, not because they have to but because they genuinely want to see the entire team conquer new heights. A senior developer knows the ropes but understands that the thrill lies in the collective journey.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/8emvgbpe4lgy24rlxau3.png)

**Conclusion:**

Becoming a senior developer isn't about reaching a specific milestone; it's about embodying a set of skills and attitudes that elevate your coding game. It's the ability to look beyond lines of code, foresee challenges, and champion the cause of secure, efficient, and collaborative development. As we navigate through the code jungle, let's embrace the essence of seniority in the developer realm – it's not just a title; it's a way of coding life.


Happy coding! 🚀
The Ultimate Guide to LED Round Ceiling Lights: Everything You Need to Know
Published: 2023-11-30 15:35:23

## Understanding the Basics of LED Round Ceiling Lights

Ok, so let's look over here [led round ceiling light](https://halconlighting.com/collections/flush-mount?utm_source=dev_to&utm_medium=rankking). 

LED round ceiling lights have gained immense popularity in recent years due to their energy efficiency and modern design. These lights are a perfect choice for illuminating any space, whether it's a residential or commercial setting. With their sleek and stylish appearance, LED round ceiling lights have become a staple in interior design.

## The Advantages of LED Round Ceiling Lights

One of the main benefits of LED round ceiling lights is their energy efficiency. Compared to traditional lighting options, LED lights consume significantly less power while providing the same amount of brightness. This not only helps reduce electricity bills but also contributes to a greener environment. Additionally, LED lights have a longer lifespan and require minimal maintenance, making them a cost-effective choice in the long run.

## Choosing the Right LED Round Ceiling Lights for Your Space

When selecting LED round ceiling lights, there are a few factors to consider. First, determine the desired brightness level for the area. LED lights come in various lumens, so choose the appropriate intensity based on the room's purpose. Next, consider the color temperature. LED lights offer a range of options, from warm white to cool daylight, allowing you to create the desired ambiance. Lastly, consider the size and design of the LED round ceiling lights to ensure they complement the overall decor of the space.

## Installation and Maintenance of LED Round Ceiling Lights

Installing LED round ceiling lights is a relatively straightforward process. However, it is important to follow the manufacturer's instructions to ensure proper installation and avoid any electrical hazards. Regular maintenance is minimal, but it is recommended to clean the lights periodically to remove dust and debris, which can affect their brightness.

## Conclusion

LED round ceiling lights offer a combination of energy efficiency, longevity, and stylish design. Whether you're looking to brighten up your home or enhance your office space, LED round ceiling lights are a fantastic choice. By understanding their benefits, selecting the right lights, and properly maintaining them, you can enjoy their beauty and functionality for years to come.

## References

  * [led round ceiling light](http://www.scat-shit-clips.com/outback.php?a=4&b=99&c=1753&url=https://halconlighting.com/collections/flush-mount "led round ceiling light")



### Related Websites:

  * [Lighting Direct](https://www.lightingdirect.com/)
  * [Lumens](https://www.lumens.com/)
  * [LEDs Magazine](https://www.ledsmagazine.com/)