teleren/devto huggingface dataset:
What is the Concept of Docker volumes?
Tags: docker
Published: 2023-08-10 06:37:55

Docker volumes are a fundamental concept within the Docker containerization platform that enable data to persist and be shared between containers and between containers and the host system. They address the challenge of data management and persistence in a containerized environment, where containers are ephemeral by nature and tend to be destroyed and recreated frequently.

Docker volumes provide a way to decouple data storage from the lifecycle of containers. Instead of storing data within a container's filesystem, which would be lost when the container is deleted, volumes create a dedicated storage location outside the container's file system. This allows data to survive container restarts, updates, and even container deletion.

Volumes can be used for a range of scenarios, including sharing configuration files, application data, databases, logs, and more. They provide a seamless way to handle data without sacrificing the benefits of containerization, such as isolation and portability. y obtaining [Docker Course](https://www.edureka.co/docker-training), you can advance your career in Docker. With this course, you can demonstrate your expertise in different storage strategies, deploying multi-container applications using Docker Compose, and managing container clusters using Docker Swarm, many more fundamental concepts.

**Docker offers various types of volumes:**

1. **Named Volumes:** These are explicitly created and managed by Docker. They have a clear name and can be easily referenced across containers. Named volumes are usually preferred for most use cases as they are easier to manage and provide better control over data.

2. **Host Volumes:** Also known as bind mounts, these involve mounting a directory from the host machine directly into the container. Host volumes offer the advantage of simplicity, but they tie the container to the specific directory structure of the host.

3. **Anonymous Volumes:** These are created automatically by Docker when a container is started and a volume isn't explicitly specified. However, they can be harder to manage and reference compared to named volumes.

Docker volumes enable features like data sharing between containers in a single or multiple Docker hosts, data backup and recovery, and easy migration of applications. They are particularly useful in clustered or orchestrated environments where containers can move across different hosts.

In summary, Docker volumes are a critical component for managing data in a containerized environment. By providing a way to handle data persistence and sharing, Docker volumes ensure that data-intensive applications and services can be managed effectively within containers, maintaining the advantages of containerization while addressing the challenges of data management.
Embark on a Journey to Success: Unveiling the Power of Network Marketing Tips
Tags: networking, marketing, mlm, tips
Published: 2023-08-10 06:35:35

In the fast-paced world of network marketing, success isn't just a result; it's a journey paved with valuable insights and tips. Imagine stepping into a realm where your dreams of financial independence take shape, but you're not alone. You're armed with the top-notch [network marketing tips](https://blog.leadmlmsoftware.com/network-marketing-tips/) that seasoned professionals swear by.

Picture this: you're at the helm of your own destiny, guided by these MLM success tips that have been carefully curated to lead you through the maze of challenges. With the five pillars of network marketing as your foundation, you craft a unique selling proposition that sets you apart from the crowd. Your approach combines the power of building relationships and offering real value to your audience, resulting in higher sales and greater recognition.

As you walk this path, you learn that patience and persistence are key. There's no overnight success in this journey, but by embracing these proven strategies, you're making steady progress towards your goals. So, if you're wondering how to succeed in network marketing, remember: with the right network marketing ideas and MLM tips, you're writing your own success story, one step at a time.
8 Digital Commerce Strategies That Really Work
Tags: digitalcommerce, commercestrategies, webdev
Published: 2023-08-10 06:31:42

## Introduction

- The evolving landscape of digital commerce
- Importance of effective strategies for success

## Omnichannel Experience for Seamless Shopping
A. Integrating Online and Offline Channels
B. Consistent Branding Across Platforms
C. Unified Customer Data for Enhanced Experience

## Mobile-First Approach for Accessibility
A. Mobile Optimization for Websites and Apps
B. Mobile Payment Integration
C. Location-Based Offers and Notifications
## [Personalization for Customer Delight](https://salesoperator.net/2023/07/10/creating-great-customer-experiences/)
A. Leveraging Customer Data
B. Tailoring Product Recommendations
C. Crafting Personalized Shopping Journeys

## Social Commerce for Engaging Audiences
A. Leveraging Social Media Platforms
B. Shoppable Posts and Direct Purchases
C. Influencer Partnerships for Authenticity

## AI and Machine Learning for Insights
A. Predictive Analytics for Demand Forecasting
B. Chatbots for Customer Support
C. Personalized Pricing and Offers

## Subscription Models for Recurring Revenue
A. Subscription Services and Box Models
B. Membership Benefits and Loyalty Programs
C. Flexibility in Subscription Plans

##  Visual Commerce for Enhanced Engagement
A. User-Generated Content for Social Proof
B. Interactive Product Visualization
C. AR and VR for Immersive Shopping

## Sustainable E-commerce for Ethical Appeal
A. Green Packaging and Eco-Friendly Practices
B. Ethical Sourcing and Fair Trade Initiatives
C. Transparent Communication About Sustainability

Now to read about all these in detail in very easy way, click on this link,[8 Digital Commerce Strategies That Really Work](https://salesoperator.net/2023/07/27/digital-commerce-strategies/)
Anthropometric Measurements using AI/ML
Tags: opencv, bodymeasurements, beginners, ai
Published: 2023-08-10 06:24:01

Hello guys! This is my first post. I am a beginner in Machine Learning. As of now my interest lies in OpenCV. I am currently working on a project which aims to measure human body using a cell phone's camera. I understand how complex this task can be. Nevertheless, I am looking for some guidance as to narrow my research down to measuring the head circumference and mid upper arm circumference of a child aged between (0-5) years. I will be thankful, if anyone here can put me in a certain direction to achieve this.
Exploring Different Types of Joins in PostgreSQL
Tags: postgressql, database, joins
Published: 2023-08-10 06:22:21

## Introduction

Understanding the technique of connecting tables is essential for getting useful insights out of databases. PostgreSQL provides a range of join methods for relational databases to effectively merge data from various tables. We'll explore joins in this blog article, learn about their different kinds, and use real-world examples to explain each.

## Joins in PostgreSQL

Since joins allow us to merge data from many tables based on shared columns, they form the foundation of relational database systems. PostgreSQL, an innovative open-source RDBMS, offers various forms of joins, each having a distinct function. Let's explore a few of the most typical join types.

## Inner Join

The most common join type is probably the inner join, often called an equijoin. Only entries with matching values in the designated columns of both tables are retrieved. Think about an imaginary online store where you want to retrieve orders along with customer data.

```
SELECT orders.order_id, customers.customer_name
FROM orders
INNER JOIN customers ON orders.customer_id = customers.customer_id;
```

## Left Join 

With a left join, all data from the left table is retrieved along with any matches from the right table. The result will have NULL values for the columns of the right table if there is no match in the right table. For situations like fetching products along with their reviews, this kind of join is helpful.

```
SELECT products.product_name, reviews.review_text
FROM products
LEFT JOIN reviews ON products.product_id = reviews.product_id;
```

## Right Join

A right join, on the other hand, obtains every record from the right table as well as any matches from the left table. The result will include NULL values for the columns of the left table if there is no match in the left table. Although less frequent, this kind of join can be advantageous in some circumstances.

```
SELECT employees.employee_name, departments.department_name
FROM employees
RIGHT JOIN departments ON employees.department_id = departments.department_id;
```

## Full Outer Join

With a full outer join, all data from both tables is retrieved, and blank spaces are filled with NULL if there is no match. When you want to see a complete picture of the data, including mismatched records from both tables, this join type comes in handy. Consider that you wish to examine both product sales and returns.

```
SELECT sales.product_name, returns.return_reason
FROM sales
FULL OUTER JOIN returns ON sales.product_id = returns.product_id;
```

## Conclusion

Learning PostgreSQL's many join types gives  a world of opportunities for searching and analysing data across multiple tables. Understanding and using the appropriate join type is an essential ability for any database worker, and whether you need to acquire related information, incorporate unmatched records, or build thorough reports.
MERN - File Sharing WebApp
Tags: webdev, mern
Published: 2023-08-10 06:19:10

🚀 Excited to share my personal MERN project📂💻

Live site : https://shareyourfile.netlify.app/ 🌐︎
GitHub : https://github.com/Gauravtripathii/file-sharing-app

📌 Upload files, get a private link, and share securely with friends and family. Hassle-free personal file sharing! 🔒☁️
Linux Processes
Tags: linux, scor32k
Published: 2023-08-10 06:18:26

Lets us understand, what the output is when we run `ps` command
```bash
ps
```
![ps output](https://imgur.com/eapEquZ.png)

we have,
**PID**: Process ID
**TTY**: Controlling terminal associated with the process
**STAT**: Process status code
**TIME**: Total CPU usage time
**CMD**: Name of executable/command

```bash
ps aux
```
![ps aux command](https://imgur.com/wk9WiE1.png)

The `a`	 displays all processes running, including the ones being ran by other users. 
The `u` shows more details about the processes. 
and finally the `x` lists all processes

**USER**: The effeictive user
**PID**: Process ID
**%CPU**: CPU time used divided by the time the process has been running
**%MEM**: Ratio of the process's resident set size to the physical memory on the machine
**VSZ**: Virtual memory usage of the entire process
**RSS**: Resident set size, the non-swapped physical memory that a task has used
**TTY**: Controlling terminal associated with the process (TTY is the terminal that executed the command.)
**STAT**: Process status code
**START**: Start time of the process
**TIME**: Total CPU usage time
**COMMAND**: Name of executable/command

## Process states

In the **STAT** column, you'll see lots of values. A linux process can be in a number of different states.

 The most common state codes are:

**R**: running or runnable, it is just waiting for the CPU to process it
**S**: Interruptible sleep, waiting for an event to complete, such as input from the terminal
**D**: Uninterruptible sleep, processes that cannot be killed or interrupted with a signal, usually to make them go away you have to reboot or fix the issue
**Z**: Zombie, we discussed in a previous lesson that zombies are terminated processes that are waiting to have their statuses collected
**T**: Stopped, a process that has been suspended/stopped

## /proc filesystem
Remember everything in Linux is a file, even **processes**. Process information is stored in a special filesystem known as the **/proc** filesystem.
```bash
ls /proc
```
![proc file system](https://imgur.com/ORevY3K.png)
You should see multiple values in here, there are sub-directories for every PID. 
If you looked at a PID in the ps output, you would be able to find it in the /proc directory.

**Inside the process**

```bash
cat /proc/1/status
```

![](https://imgur.com/GcXcrPb.png)

You should see process state information and well as more detailed information.

**The /proc directory is how the kernel is views the system, so there is a lot more information here than what you would see in ps**.


If the article helps you, leave a like, follow, or anything 🙂.  
You can follow me on [LinkedIn](https://www.linkedin.com/in/abhishekpathak32/) and [GitHub](https://github.com/scorcism).
Num — Missing Laravel Helper
Tags: php, laravel
Published: 2023-08-10 06:11:54

An accurate PHP helper for parsing numbers from strings with support for various thousands and decimal separators.

---


## What It Does

The built-in PHP functions `intval()` and `floatval()`, along with typecasting, may not always correctly handle varying numeric value formats based on regional standards.

```php
floatval("1 234 567.89") // float(1)
intval("1,234.56") // int(1)
```

---


With the `Num` helper, you can achieve the desired functionality.

You have the option to provide the decimal separator to the `int()` or `float()` methods.

Alternatively, you can allow the `Num` helper to make an educated guess if you're unsure about the exact separator used in a specific string representing a numeric value.

```php
use Num\Num;

Num::float('1,234,567.89', Num::POINT) // float(1234567.89)
Num::float('1.234.567,89', Num::COMMA) // float(1234567.89)
// or
Num::float('1,234,567.89') // float(1234567.89)
Num::float('1.234.567,89') // float(1234567.89)

Num::int('1,234,567.89') // int(1234567)
Num::int('1.234.567,89') // int(1234567)

Num::float('text') // float(0.0)
Num::int('text') // int(0)
```

You can find details about how the guessing of the decimal separator works in the [GitHub repo](https://github.com/514sid/num).

---

## Installation

```bash
$ composer require 514sid/num
```

---

## Contributing 🤝
Contributions are welcome and greatly appreciated! 

---

Currently I am working on improving tests and the `guessDecimalSeparator` functionality. Therefore, I would greatly appreciate any ideas you might have for improvement.

Feel free to share your thoughts by commenting here, starting a discussion on GitHub or making a pull request.

---

## Github
[sid514/num](https://github.com/514sid/num)

> You can support this projects by starring repo ⭐
Top 10 SaaS Metrics Every SaaS Product Owner Must Know!
Tags: saas, softwaredevelopment, beginners, productivity
Published: 2023-08-10 06:02:31

In this dynamic environment, staying ahead of the competition demands more than just an exceptional product – it demands data-driven decision-making. For this, understanding the vital metrics that underpin the success of your SaaS venture is not just an advantage – it’s an absolute necessity. Here are the top 10 SaaS metrics that will not only empower you with actionable insights but also reshape the trajectory of your SaaS venture, ensuring unparalleled growth and success in this fast-paced digital era.

## What are SaaS metrics?

SaaS metrics are specific key performance indicators (KPIs) that provide valuable insights into various aspects of your SaaS product and its customer base. These metrics are crucial in evaluating the health of your business, identifying strengths and weaknesses, and making data-driven decisions to drive sustainable growth.

## Top 10 Must Know SaaS Metrics

1. Monthly Recurring Revenue (MRR)
2. Churn Rate
3. Customer Acquisition Cost (CAC)
4. Customer Lifetime Value (CLV)
5. Average Revenue Per User (ARPU)
6. Customer Engagement Metrics
7. Gross Margin
8. Customer Satisfaction (CSAT) and Net Promoter Score (NPS)
9. Trial Conversion Rate
10. Expansion Revenue

Dive deep to understand these key metrics in detail:

[http://bit.ly/Top-SaaS-Metrics](http://bit.ly/Top-SaaS-Metrics)
Manager Handbook for Distributed AntDB-T - P11
Published: 2023-08-10 06:01:46

## Node monitoring tasks
**Configure the coordinator monitoring task**

```
add job  mon_coord (interval = 5, status = true,command ='select monitor_handle_coordinator()' );  
```
Task Description: Check if there is a failed node in the coordinator at an interval of 5 seconds, if so, retry the connection, and after three failed retries, remove the failed coordinator node from the cluster.

**Configure gtmcoord monitoring task**

```
add job mon_gtmcoord (interval = 5,status=true,command='select monitor_handle_gtmcoord()');  
```
Task description: Check whether gtm is failed in 5 seconds interval, if it is, retry to connect, and perform failover gtmcoord operation after three failed retries.

**Configure datanode monitoring task**

```
add job mon_datanode (interval = 5,status=true,command='select monitor_handle_datanode()');  
```
Task description: Check if datanode master has failed node in 5 seconds interval, if so, retry connection, after three failed retries, perform failover datanode operation. Each time the job runs, process a failed datanode master.

All the above use default parameters, if you want to modify the default parameter values, add them in the following way

```
add job mon_datanode (interval = 5,status=true,command='select monitor_handle_datanode('''',true,5,3,20)'); 
```
 
Note:

After adding a node monitoring task, it blocksstop allandstart all operation.

When the status of the monitoring task is true, these two operations are failures and give the prompt.

```
postgres=# stop all mode fast;  
ERROR:  on job table, the content of job "mon_coord" includes "monitor_handle_coordinator" string and its status is "on"; you need do "ALTER JOB "mon_coord" (STATUS=false);" to alter its status to "off" or set "adbmonitor=off" in postgresql.conf of ADBMGR to turn all job off which can be made effect by mgr_ctl reload  
HINT:  try "list job" for more information  
postgres=# start all;  
ERROR:  on job table, the content of job "mon_coord" includes "monitor_handle_coordinator" string and its status is "on"; you need do "ALTER JOB "mon_coord" (STATUS=false);" to alter its status to "off" or set "adbmonitor=off" in postgresql.conf of ADBMGR to turn all job off which can be made effect by mgr_ctl reload  
HINT:  try "list job" for more information  
postgres=#  
```
 
Workaround: Set the node monitoring task to false temporarily, refer to Suspend Task described below.

## Managing tasks

**View the added tasks**

```
list job;  
```
**Suspend task**

Suspend a task.

```
alter job usage_for_host (status = false); 
```
 
Suspend all tasks in the task table. 

```
alter job all (status = false);  
```
**Start task**

Start a task.

```
alter job usage_for_host (status = true);  
```
Start all tasks in the task table. 

```
alter job all (status = true);  
```
**Delete task**

```
drop job usage_for_host;  
```

## Related Tables

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/j2rvd8mikhkn4e78h3lh.PNG)
Convert simple javascript function to typescript
Tags: javascript, typescript, webdev, beginners
Published: 2023-08-10 06:00:00

Here's a simple JavaScript function that calculates the square of a number:

```javascript
function calculateSquare(number) {
  return number * number;
}

// Usage example
const inputNumber = 5;
const result = calculateSquare(inputNumber);
console.log(`The square of ${inputNumber} is ${result}`);
```

Here's the same function converted to TypeScript:

```typescript
function calculateSquare(number: number): number {
  return number * number;
}

// Usage example
const inputNumber: number = 5;
const result: number = calculateSquare(inputNumber);
console.log(`The square of ${inputNumber} is ${result}`);
```

In TypeScript, you can specify the types of function parameters and return values using the : notation. In this case, we've specified that the number parameter should be of type number, and the return value of the function is also of type number. The rest of the code remains very similar to the JavaScript version.
You might not need separate config for prettier and eslint
Tags: webdev, javascript, bash
Published: 2023-08-10 05:58:55

## Overview
Recently [Andy Jiang](https://github.com/lambtron) from Deno posted this wonderful article [Node.js's Config Hell Problem
](https://deno.com/blog/node-config-hell) highlighting the config hell in a project that uses Node.js and this makes a wonderful case for using Deno over Node.js in this particular case.
In this blog series I will be exploring some ways to reduce config hell. Let's start with the first part of this series.

## You might not need separate config for prettier and eslint
If you use eslint and prettier together you might be familiar with conflicting styling rules of eslint and prettier, and would've preferred to only using eslint for linting and prettier for formatting, and end up creating 2 files like `.prettierrc` and `.eslintrc` and let me show you, you only need one.

Linting and formatting are often clubbed together and it makes sense to have one config that handles both. By using eslint plugins we can achieve that.

### Using eslint plugins
We'll be using these 2 plugins
- `eslint-config-prettier`
- `eslint-plugin-prettier`

By using these we eliminate the need `prettier` installed as dev dependency, if you want to add prettier as a eslint rule (which this blog does).

Install these two plugins with the following command
```sh
# for npm
npm install -D eslint-config-prettier eslint-plugin-prettier

# for yarn
yarn add -D eslint-config-prettier eslint-plugin-prettier

# for pnpm
pnpm add -D eslint-config-prettier eslint-plugin-prettier
```
After adding the dependency let's modify our `eslint` config. I am using `.eslintrc.json`, if you're using other formats you can change the syntax according to that.

In the `eslint` config add `plugin:prettier/recommend` in the extends field and add `prettier` in `plugins` field
```js
// .eslintrc.json
{
  "extends": [<your configs>, "plugin:prettier/recommended"],
  "plugins": [<your plugins>, "prettier"]
}
```
Now let's add our rules

```js
// .eslintrc.json
{
  "rules": {
    "prettier/prettier": [
      "error",
      {
        "useTabs": true,
        "singleQuote": true,
        "semi": true
      }
    ],
      "indent": ["error", "tab"],
      "quotes": ["error", "single"],
      "semi": ["error", "always"]
  }
}
```

In the config file mentioned above we're using the `prettier` config options such as `useTabs`, `singleQuote` and `semi` inside the eslint rule.
This config allows us to format the documents using prettier and with our desired config when we run `eslint --fix .`

This method saves us having 2 different files for linter and formatter, I'll be exploring more ways and them in this series. As always do let me know your suggestions.

## References
[Integrating with linters - Prettier Docs](https://prettier.io/docs/en/integrating-with-linters)
[eslint-config-prettier](https://github.com/prettier/eslint-config-prettier)
[eslint-plugin-prettier](https://github.com/prettier/eslint-plugin-prettier)