teleren/devto huggingface dataset:
Enabling Offline Capabilities in Firebase with IndexedDB Persistence
Tags: firebase, firestore, javascript, webdev
Published: 2024-04-23 10:00:40


In this article, we will explore an important feature of Firebase Firestore - enabling offline capabilities in web applications. At [itselftools.com](https://itselftools.com), we have gained considerable experience from developing over 30 applications using technologies like Next.js and Firebase. This has given us insights into various advanced features that enhance the user experience, such as data persistence in web apps.

## Understanding the Code

Here’s a quick look at a code snippet that is fundamental to enabling offline data persistence in Firebase Firestore:

```javascript
import { getFirestore, enableIndexedDbPersistence } from 'firebase/firestore';

const firestore = getFirestore();
enableIndexedDbPersistence(firestore)
  .catch((err) => {
    if (err.code === 'failed-precondition') {
      console.error('Multiple tabs open, persistence can only be enabled in one tab at a time.');
    } else if (err.code === 'unimplemented') {
      console.error('The current browser does not support all of the features required to enable persistence');
    }
  });
```

### Step-by-Step Explanation

1. **Importing Modules**: The code starts by importing necessary modules from `firebase/firestore` package which includes `getFirestore` and `enableIndexedDbPersistence`.

2. **Initializing Firestore**: `getFirestore()` is called to initialize the Firestore instance.

3. **Enabling Persistence**: `enableIndexedDbPersistence(firestore)` attempts to enable offline data persistence through IndexedDB, a low-level API for client-side storage of significant amounts of structured data.

4. **Handling Errors**: The `.catch` method handles potential errors. The error handling is split into two parts:
    - If the error's code is 'failed-precondition', it usually means multiple tabs with the same Firestore instance are open, which prevents enabling persistence.
    - If the error's code is 'unimplemented', it means the browser does not support all the features needed for enabling persistence.

## Why Is Offline Capability Important?

Implementing offline capabilities in web apps is crucial for improving user experiences, especially in scenarios where internet connectivity is inconsistent. This feature ensures that users can access and interact with app data without an active internet connection, and their actions are synchronized once connectivity is restored.

## Conclusion

Incorporating offline capabilities in web applications enhances usability and resilience against connectivity issues. Through IndexedDB and Firebase Firestore, setting up offline data persistence is straightforward yet powerful. For practical demonstrations of how we implement these features, you can explore our tools such as [Find Words Online](https://find-words.com), [Test Your Mic](https://online-mic-test.com), and [Record Your Screen Online](https://online-screen-recorder.com). These applications utilize sophisticated web technologies to ensure high performance and reliability.
Orthodontist that accepts Metlife insurance
Published: 2024-04-23 09:58:23

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Mobile App or Website – Which Will Catapult Your Business Forward?
Tags: webdev, mobile, appconfig
Published: 2024-04-23 09:52:15


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/g4fu2tsu1s7g7bc2qfwo.png)
In today's digital world, deciding between a **[mobile app vs website](https://trigvent.com/mobile-app-vs-website-unveiling-the-business-boosting-choice/)** is pivotal for business success. This article provides a concise yet comprehensive comparison, covering advantages, considerations, and case studies. Whether you're a seasoned entrepreneur or just starting out, this insightful read will guide you towards making the right decision for your business's online presence. 
Informed by expert insights and real-world examples, this concise article is essential reading for anyone seeking to maximize their digital presence and drive business growth effectively.
UFA777
Published: 2024-04-23 09:38:30

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Why was the Bitcoin Mining Council introduced?
Tags: cryptocurrency, asic, bitcoin
Published: 2024-04-23 09:36:52

The **[Bitcoin Mining ](https://asicmarketplace.com/blog/what-is-bitcoin-mining-council/)**Council is a platform that allows people to connect, exchange ideas, get information and educate others about the Bitcoin ecosystem and its constantly changing mining techniques. The Bitcoin Mining Council helps the crypto-mining community perform and execute quick operations to achieve the best results. It allows the crypto mining community to manage and serve quick operations with the best outcomes.

The Bitcoin Mining Council's quarterly meetings encourage growth, cooperation and knowledge sharing between Bitcoin mining enthusiasts. BMC events and meetings are characterized by participants who give presentations on Bitcoin mining and have deep discussions.

The council's goal is to encourage bitcoin miners to share their knowledge and to adopt best practices. The council will gather knowledge from experienced miners, and create open-source solutions to support the sector's growth and sustainability.
Leading Interior Designer in Ahmedabad | Interior Design Company
Tags: interiordesigner, interiordesigncompany
Published: 2024-04-23 09:35:17

Elevate your living spaces with the expertise of **[home interior designers in Ahmedabad](https://jdesignstudio.in/home-interior-designers/)**. Discover top-notch interior design services by skilled professionals. 

Welcome to J Design Studio, your premier destination for exquisite interior design solutions in Ahmedabad. As leading **Home Interior Designers in Ahmedabad**, we take pride in transforming spaces into personalized havens that reflect your unique style and taste.

What Do You Get In **Interior Design Services** From J Design Studio?

- Living Room Design
- Bedroom Design
- Kids Room Design
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Prometheus Server
Published: 2024-04-23 09:34:36


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/k81gmhlnqy3ejvkdouqn.png)
- The Prometheus server is the core component responsible for scraping, storing, and querying metrics data. 
- The Prometheus server is designed for reliability and scalability, allowing it to handle large volumes of metrics data from numerous targets. 
Here’s a breakdown of its functionalities:

**Data Scraping:**
- The Prometheus server regularly scrapes metrics data from configured targets.
- It supports various protocols like HTTP, HTTPS, and SNMP for scraping metrics endpoints

**Prometheus Configuration File:**

- The Prometheus configuration file is where you define the targets to scrape, the time intervals for scraping, and other configuration settings. 
- The Prometheus configuration file is written in YAML format and defines various aspects of Prometheus’ behavior.
**Global Configuration:**

- The global configuration section contains settings that apply globally to Prometheus.
- This includes parameters like the scrape interval, which determines how often Prometheus scrapes metrics from targets.
**scrape_interval**: Defines the interval at which Prometheus scrapes metrics data from targets.

**evaluation_interval**: Specifies the interval at which Prometheus evaluates alerting rules.

- Scrape configuration defines the targets that Prometheus should scrape for metrics data. 
- Each scrape configuration specifies a job name and a list of targets to scrape. These targets could be specific endpoints or services
**job_name:** Identifies a logical group of targets.

**static_configs:** Defines static targets to scrape, such as specific IP addresses and ports
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Published: 2024-04-23 09:25:49

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Could not resolve "zone.js"
Tags: angular, help
Published: 2024-04-23 09:23:10

 [ERROR] Could not resolve "zone.js"

    angular:polyfills:angular:polyfills:1:7:
      1 │ import 'zone.js';
        ╵        ~~~~~~~~~

  The Yarn Plug'n'Play manifest forbids importing "zone.js" here because it's not listed as a dependency of this package:

    ../../.pnp.cjs:36:31:
      36 │         "packageDependencies": [\
         ╵                                ~~

  You can mark the path "zone.js" as external to exclude it from the bundle, which will remove this error and leave the unresolved path in the bundle.

I am getting the above error every time I run the new angular project, Can anyone help me?
Unleash the potential of No-code tools
Published: 2024-04-23 09:22:51

Welcome to [Infokey](https://infokey.in/blog/no-code-tools-for-web-development-with-infokey/), where innovation meets simplicity in web development. Gone are the days when coding was the only path to creating stunning websites. With the advent of no-code tools like WordPress, FlutterFlow, and Figma, Infokey is revolutionizing the way websites are built.

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Get the Best Serverwala VPS Server in Peru with 99.90% Uptime
Tags: hosting, vps, technology
Published: 2024-04-23 09:11:39

With Serverwala's [Peru VPS servers](https://bangalore.indads.in/item/1193556/), you can enjoy lightning-fast website loading times and maximum uptime.

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How to run a SQL script or file in MySQL & MariaDB
Tags: mysql, mariadb, tutorial, sql
Published: 2024-04-23 09:11:30

In database development, it is important to test the database with different data scenarios to ensure its functionality, performance, and reliability. Data import facilitates the population of test data sets, allowing developers to simulate real-world conditions and identify potential issues before deploying the database into production.

In the article, we'll delve into how to export and import MySQL data using a dump file, which will be created and then executed using the command line or an IDE tailored for MySQL or MariaDB - dbForge Studio for MySQL.

[https://www.devart.com/dbforge/mysql/studio/how-to-run-sql-file-in-mysql.html](https://www.devart.com/dbforge/mysql/studio/how-to-run-sql-file-in-mysql.html)
Implementing Angular Server-Side Rendering (SSR) AKA Angular Universal
Tags: webdev, javascript, angular, typescript
Published: 2024-04-23 09:10:21

Angular offers Server-Side Rendering (SSR) which enables your Angular application to render on the server before sending it to the client, resulting in improved performance and search engine optimization. In this post, we'll delve into the process of implementing Angular SSR, complete with code samples and step-by-step instructions.

### Why Angular SSR?
Before diving into implementation details, let's understand why Angular SSR is beneficial:

1. **Improved Performance:** SSR reduces initial load times by serving pre-rendered content to the client, resulting in faster perceived performance.
2. **Search Engine Optimization (SEO):** Search engines prefer content that is available in the initial HTML response. SSR ensures that search engine crawlers can easily index your Angular application.
3. **Enhanced User Experience:** SSR enables users to view content quickly, especially on slower network connections or less powerful devices.


### Implementation Steps

#### Step 1: Create an Angular Application
First, ensure you have Angular CLI installed. If not, install it globally using npm:

```cli
npm install -g @angular/cli
```

Create a new Angular project:

```cli
ng new my-angular-app
cd my-angular-app
```

#### Step 2: Install Angular Universal

Angular Universal provides server-side rendering support for Angular applications. Install it along with the necessary dependencies:

```cli
ng add @nguniversal/express-engine
```

#### Step 3: Generate SSR Files
Generate the SSR files using Angular Universal schematics:

```cli
ng generate universal --clientProject my-angular-app
```
This command creates server-side rendering files within your Angular project.

#### Step 4: Configure Routes
In `src/app/app.routing.module.ts`, configure your routes as usual. Ensure your routes are compatible with both client and server rendering.

#### Step 5: Build for SSR
Build your Angular application for server-side rendering:

```cli
npm run build:ssr
```
This command compiles your Angular application and generates server-side rendering artifacts.

#### Step 6: Run SSR Server
Start the server for server-side rendering:

```cli
npm run serve:ssr
```

Your Angular application is now ready for server-side rendering! Visit http://localhost:4000 to see it in action.

### Summary
Implementing Angular Server-Side Rendering (SSR) is a powerful technique for improving performance and SEO-friendliness of your web applications. By following the steps outlined in this guide, you can seamlessly integrate SSR into your Angular projects. Remember to continuously optimize and test your application to ensure optimal performance and user experience.

Angular SSR not only boosts performance but also enhances the accessibility and discoverability of your web applications in today's competitive digital landscape. So, why wait? Start implementing Angular SSR today and reap the benefits it offers for your projects. Happy coding!
5 JavaScript conditional operators
Tags: javascript, beginners, programming, learning
Published: 2024-04-23 09:07:18

In JavaScript, conditional operators are used to make decisions based on certain conditions. The primary conditional operator in JavaScript is the **if** statement, which allows you to execute a block of code if a specified condition is true. Additionally, JavaScript also provides other conditional operators like else, else if, switch, and the ternary operator (? :). Here's a brief overview of each:
1. **if **: 
if is a primary conditional operator in js.
syntax  
if (condition) {
    // Code to be executed if the condition is true
}

2. **else...if** : when two fact which can be execute in a function than comes the else if as a solution 

syntax 
 if (condition) {
    // Code to be executed if the condition is true
} else {
    // Code to be executed if the condition is false
}

3. **if...else if...else Statement**: when there are more than two condition can be execute in a function then we used  if...else if...else Statement it used for complex conditional rendering. 
syntax 
if (condition1) {
    // Code to be executed if condition1 is true
} else if (condition2) {
    // Code to be executed if condition2 is true
} else {
    // Code to be executed if none of the conditions are true
}

4. **Switch Statement**: switch statement is used in big or complicated conditional statement.
syntax
switch (expression) {
    case value1:
        // Code to be executed if expression === value1
        break;
    case value2:
        // Code to be executed if expression === value2
        break;
    default:
        // Code to be executed if expression doesn't match any case
}

5.**Ternary Operator (Conditional Operator)**: 
Now a day it's most popular and easy Conditional operator that can solve a large statement with a single line of code .

syntax :
(condition) ? expression1 : expression2;
// If the condition is true, expression1 is evaluated; otherwise, expression2 is evaluated.
Using Image Erasing Tools to Easily Enhance Photos: Case Studies and Summary
Tags: ai, pic, photoshop
Published: 2024-04-23 09:04:54

In the digital age, we often need to edit photos to make them more perfect and professional. However, sometimes there are elements in photos that we do not want to appear, such as people, text, objects, or watermarks, which require the use of tools to erase. Today, I will showcase some case studies achieved through image erasing tools and briefly summarize the advantages of such tools.

**1. Erasing People**
In a beautiful landscape photo, there was an unsuitable tourist appearing in the frame. Using the erasing tool, I easily removed the tourist, making the scene cleaner and more pristine.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/iq2ahor4gr08h3yy0ql2.png)
**2. Erasing Text**
On a birthday card, there was a piece of inappropriate text that affected the overall atmosphere. Using the erasing tool, I effortlessly removed the text, giving the photo a fresh new look.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/gs8jiewutzctf4cj1u26.png)
**3. Erasing Objects**
In a commercial advertising photo, there were cluttered items in the background affecting the product display. Through the erasing tool, I cleared away these items, making the product stand out more.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/0gr9kc7409d4nr4r5tri.jpg)
**4. Erasing Watermarks**
In a beautiful landscape photo, there was a subtle but visually distracting watermark. Using the erasing tool, I effortlessly removed it, making the entire picture more refreshing.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/h4ao4cffispkzarrhap1.jpg)
**Summary**
Through image erasing tools, we can easily and quickly enhance photos by removing unwanted elements. These case studies demonstrate the powerful functionality and practical value of erasing tools. If you also want to effortlessly enhance your photos, consider trying out these tools. It is worth mentioning that all the materials above were created using the [AILabTools image erasing tool](https://www.ailabtools.com/image-erasure).