teleren/devto huggingface dataset:
neco timetable 2023 for ss3
Published: 2023-01-28 15:06:00

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The best Backend and Frontend languages for eCommerce Development
Published: 2023-01-28 15:02:50

---
title: The best Backend and Frontend languages for eCommerce Development
published: true
date: 2023-01-28 14:52:12 UTC
tags: 
canonical_url: https://ravanoverflow.hashnode.dev/the-best-backend-and-frontend-languages-for-ecommerce-development
---

eCommerce Development When it comes to ecommerce development, the choice of backend and frontend languages can have a big impact on the performance and scalability of your website.

For the backend, some of the most popular choices are:

PHP: which is widely used and has a large community, it is also easy to learn and has a lot of ecommerce frameworks like Magento, WooCommerce and PrestaShop.

Python: which is a versatile language and has a lot of libraries and frameworks like Django, Flask and Pyramid that are suitable for ecommerce development.

Node.js: which is based on javascript and it is well suited for ecommerce sites that need real-time updates, it has frameworks like Express.js and Koa.js.

For the frontend, some of the most popular choices are:

JavaScript: which is the most popular language for front-end web development and it has a lot of libraries and frameworks like React.js, Angular.js, and Vue.js that are suitable for ecommerce development.

HTML/CSS: which are the basic building blocks of web development, HTML provides the structure of the website, and CSS provides the styling.

Ultimately, the best backend and frontend languages for ecommerce development will depend on the specific requirements of your website and your own development skills. It's always a good idea to evaluate and test different options to find the best fit for your project.
How to plan Hackathon for Undergrad Students
Tags: hackathon, students, learning, hacktoberfest
Published: 2023-01-28 14:37:15

**Planning a hackathon** for undergraduate students can be a great way to promote innovation and creativity among the students. Here are a few steps you can take to plan a successful hackathon:

**Define the theme and format**: Decide on a theme for the hackathon that aligns with the interests of your target audience. The format can be a traditional 24-36 hours event or a virtual event, depending on the situation.

**Identify a venue and date**: Choose a venue that can accommodate the number of participants you expect and that has the necessary resources, such as internet access and power outlets.

**Identify judges**: Identify a panel of judges who are experts in the field relevant to the theme of the hackathon. They will evaluate the projects and determine the winners.

**Recruit mentors**: Recruit industry professionals or professors to serve as mentors for the hackathon. They can provide guidance and support to the participants throughout the event.

**Promote the event**: Reach out to students and professors at your school, as well as other schools in your area. Share information about the hackathon on social media and other platforms to encourage participation.

**Plan for prizes**: Plan for prizes for the winners of the event, these can be monetary prizes, internship opportunities, or any other incentives that will encourage the participation of the students.

**Organize logistics**: Make sure to have enough food, beverages, and swags for the participants. If it's a virtual event, make sure that you have the necessary tools and platforms to facilitate the event.

**Have a plan for follow-up**: After the event, make sure to follow up with the participants, provide feedback on their projects and look for ways to continue to support them in their development.

Remember, a hackathon can be a great way to promote innovation and creativity among undergraduate students, but it requires careful planning and organization to be successful.
О чем написать пост - Выбираем тему для следующего поста
Tags: writing, blog
Published: 2023-01-28 14:28:23

Уже в самом начале я столкнулась с этим и хочется сформилуровать для себя некоторую претензию на фреймворк, пусть это будет начало.

### Рецепты

В среде в которой мы работаем, часто возникают вопросы у коллег — как добиться какого-то поведения в коде. Эти вопросы могут служить темой для поста. Ответь для себя на такой вопрос, сделай минимальный пример. С примерами может помочь [codesandbox](https://codesandbox.io/) или [stackblitz](https://stackblitz.com/).

Еще источником вдохновения могут служить вопросы и комментарии на [stackoverlow](https://stackoverflow.com/) или аналогичных платформах. Можно дать новую жизнь своим ответам или найти интересную идею в комментариях к вопросам и ответам.

### Покопаться в исходниках

Каждый день мы используем какой-нибудь фреймворк, технологию. Используем какие-то функции, возможно, моделируя для себя их реализацию на основе их поведения и прочитанного в документации — для нас они черный ящик. Можно заглянуть “под капот”, найти реализацию в исходниках, доуточнить свою модель и рассказать об этом.

### Ограничить усилия сверху

Если только начинаешь, объемное, подробное исследование не подойдет. Большой объем демотивирует, очень много шагов для выполнения — по сложности тянет на проект, который займет много времени и даст сравнительно мало положительной обратной связи. К тому же, может не хватить квалификации, а дальнейшее погружение может затянуть на неопределенное время. Поэтому есть высокие шансы, что пост будет заброшен, в сравнении с меньшим по объему. Подробное исследование само по себе прекрасно, полезно, но цель здесь — завершенная самостоятельная идея, оформленная в виде поста.

_Продолжай писать…_
Разбор concat() в lodash
Tags: javascript, tutorial, react, node
Published: 2023-01-28 14:06:57

Функция `concat` позволяет объединить несколько переданных массивов в один.

## Синтаксис
`concat(array, [values])`

`array` - массив, в который будут сливаться другие
`[values]` - (необязательный) - значение или набор значений, которые будут слиты в общий массив.

## Пример №1

``` js
const lodash = require("lodash");

const arr = [1, 2, 3, 4];

const new_arr = lodash.concat(arr);

console.log(new_arr);
```
Если не передать второго аргумента, то массив останется без изменений.

![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/lz4xwgoh3dik7418u14s.png)

## Пример №2
``` js
const lodash = require("lodash");

const arr = [1, 2, 3, 4];

const new_arr = lodash.concat(arr, 2, 3, 5);

console.log(new_arr);
```
Как видно из примера, мы можем передавать бесконечное множество параметров.
![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/k3rut41c5j7ki2nd1rot.png)

## Пример №3
``` js
const lodash = require("lodash");

const arr = [1, 2, 3, 4];

const new_arr = lodash.concat(arr, [4, 5, 6, 7], false, "text");

console.log(new_arr);
```
Мы не ограничены типами значений и можем также передать любой из них.
![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/6vgmelsskeqlldgjvzob.png)

## concat функция в нативном JS
 
Вообще данная функция сейчас совершенно полностью может быть заменена [родной JS функцией](https://developer.mozilla.org/ru/docs/Web/JavaScript/Reference/Global_Objects/Array/concat) для работы с массивами, которая имеет тоже самое название.
Разбор compact() в lodash
Tags: javascript, react, tutorial, node
Published: 2023-01-28 13:50:44

Функция `compact` позволяет удалить все ложные значения из массива. К ложным значениям относятся `false`, `null`, `0`, `""`, `undefined` и `NaN`.

## Пример кода

``` js
const lodash = require("lodash");

const arr = [0, 1, NaN, 2, "", 3, false];

const clear_arr = lodash.compact(arr, 2);

console.log(clear_arr);
```
Результат


![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/f334gs9hgf2e2vu7ywd1.png)
Разбор chunk() в lodash
Tags: javascript, react, nodej, tutorial
Published: 2023-01-28 13:43:52

Функция `chunk` позволяет разбить массив на подмассивы заданного размера.

## Синтаксис
`chunk(array, [size=1])`

`array` - массив, к которому необходимо применить трансформацию
`size` ( необязательный, по-умолчанию равен 1 ) - размер получаемых подмассивов.

## Пример кода №1

``` js
const lodash = require("lodash");

const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

const chunked_arr = lodash.chunk(arr);

console.log(chunked_arr);
```
Результат
![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/gvvw86csccedx5hkay4q.png)

## Пример кода №2

``` js
const lodash = require("lodash");

const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

const chunked_arr = lodash.chunk(arr, 3);

console.log(chunked_arr);

```
Результат

![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/823j2uasjyaoyoojktor.png)

## Пример кода №3

``` js
const lodash = require("lodash");

const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

const chunked_arr = lodash.chunk(arr, 2);

console.log(chunked_arr);

```
Результат
![Скриншот результата кода](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/5cbz7dhiuji2rcxh42an.png)
Liquid Roles: Thoughts
Tags: career
Published: 2023-01-28 13:35:58

In this post, I will show my personal **opinions** regarding data roles. The emphasis on opinions is designed since the purpose is not to provide any kind of career advice but just to share some perceptions observed working as a computer scientist.

In 2017, I started my career as a data scientist only because it was the role that matched the things that I was studying in my master's degree course. I remember working with visualization, optimization, data analysis, ETL preparation, ML modeling training/serving, and also communicating directly with the customers. Maybe this was common to many people due to the broad job description of the role. Of course, it is not the optimal way to structure roles, but since it was a startup, you discover that everyone is accumulating responsibilities. 

Apart from how chaotic this routine was sometimes, it opened my eyes to how the whole business of the company works and helped me to have a mental model of how the things that I was doing connected to the pieces of other engineers, business analysts & sales were doing. For me, this sense of how the business you have involved works, might value more than many years of technical learning - with all due respect, and I obviously think having both is the best - because it drives your focus/prioritization on things that will be more beneficial for this **'business gear'**.

Note that I am not saying that you must prepare features for a risk model, automate a multi-instance deployment, create dashboards/reports for monitoring, and implement business rules to use the model predictions. Just be aware that these job descriptions vary a lot based on several things: project, team/company necessity, market, and last but not least, YOUR preferences. For example, my transition from data scientist to Machine Learning Engineer (MLE) was shaped by an off-the-job study of MLOps practices and their many benefits for companies, becoming a global trend in data. I started to incrementally bring up discussions about some development practices that we could adopt, highlighting the operational benefits involved. Fortunately, I had a lot of support for the ideas that I was bringing, but mainly because the value to the business in the mid/long term was clear to them. I don't get promoted or changed my role to MLE just to this initiative and that is the point: tech roles are natively **liquid roles**. Today, training a Neural Network for speech recognition is on your scope and tomorrow might be creating an API to accelerate partition distribution over many clusters could be your new scope.

My claim here is that adding business value to the company can extrapolate your job description and you could be aware of this by focusing on things you like to do/study/improve even if it goes beyond your current role. **Tech roles come and go** but at the end of the day what is important is if you are adding value to the company or not and making it clear to the stakeholders (of course).
Quick tip: share something using animated GIFs
Tags: socialmedia
Published: 2023-01-28 13:14:27

We live in a really fast paced world. So many things beg for our attention that it's pretty easy to miss something. Therefore, the question for us content makers is: 

*How do we make it a little more probable to get the attention of our readers or followers?* 

On social media platforms, we scroll through endless timelines, picking things that look interesting. But what makes something look interesting? It may be a catchy headline, or a stunning picture. Animations can stir interest, too. 

Let me show you how to use PowerPoint to create them. 

*PowerPoint*, you ask? 

The idea is really simple:

1. Create a small presentation
2. Export it as an animated GIF

If your favorite alternative presentation software can do that, too, you certainly don't need PowerPoint. 

But why animated GIFs, not a video clip? Aren't they clips, too?

The files are usually smaller. Also, the *.gif* file format is known to basically all browsers. Finally, an animated GIF is easily embedable in, for example, Markdown. So there's no need to link to YouTube. The clip is visible immediately.

The first step is to create a nice, small presentation. Make sure to use just a few slides. What's particularly important: add transitions. 

Tip: apply one to the whole presentation. The clip will be very short, so there's no point in using different transition styles.

![Adding transitions](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/6sdgpci0w1kealefr6tm.png)

The final step is to export the presentation:

![Exporting the presentation as an animated GIF](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/p8ddq1vzfcvwhijqrmf9.png)

Here's an example I created recently:


![An example](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/zeounev3t8q7iw82denv.gif)

Now, doesn't that look cool?

But please don't stretch the idea, because if we all use nothing else but animated GIFs, our readers will soon be bored. Therefore, choose wisely when to use animations. Photos certainly are a good candidate. 

One final note: platforms usually impose a limit on upload sizes so you may need to try out a few export settings.
Javascript Array Some Method
Tags: javascript, webdev, tutorial, typescript
Published: 2023-01-28 13:13:30

I've already covered in another article the [Javascript every method](https://fjolt.com/article/javascript-array-every). It's useful for when checking if every element matches a certain criteria. The `some` method differs in that it checks if only 'some' elements pass a criteria. If some do, then the expression will return `true` overall. For this function, `some` means anything more than 1 - so if even one element matches the criteria you define, the expression will return true. 

Let's look at an example:
```javascript
let myArray = [ 5, 10, 15, 20, 25, 30 ]
let checkArray = myArray.some((x) => (x / 5) > 3)
// Returns true, since some elements, when divided by 5, return a number greater than 3
console.log(checkArray)
```

The `some` method takes one callback function, which can have 3 different arguments:
- `element` - the element being iterated over. In the example above, I've named it `x`.
- `index` - the index of array element we are iterating over currently.
- `array` - the entire original array.

`some` works like a loop - it loops over every element and checks if the callback function you gave returns true for any of them. `element` and `index` let us check each element individually in our function, while `array` gives us easy access to the original array. Here is an example with all three:
```javascript
let myArray = [ 5, 10, 15, 20, 25, 30 ]
let checkArray = myArray.some((el, index, array) => {
    if(el / 5 > 3 && index > 4 && array.length === 6) {
        return true
    }
})
// Returns true since all checks are true for "some" elements
console.log(checkArray)
```

If one element in `some` passes the test, then the function will stop - meaning it is quite an efficient way of testing if `some` array elements pass certain tests. 

## One Line statements with some
Earlier, you might have noticed we did this: 
```javascript
let myArray = [ 5, 10, 15, 20, 25, 30 ]
let checkArray = myArray.some((x) => (x / 5) > 3)
// Returns true, since some elements, when divided by 5, return a number greater than 3
console.log(checkArray)
```

... and even though we did not `return` true, the statement is still true. That is because one line functions when defined without curly brackets will return the result of a statement automatically. In this case, `(x / 5) > 3` is returned by default, resulting in `true`.
Stacking Context Mastery: Understanding and Troubleshooting Z-Index in CSS
Tags: css, design, tutorial, beginners
Published: 2023-01-28 12:46:57

Are you tired of struggling with stacking context and z-index in your CSS? 

As a web developer, understanding these concepts is crucial for achieving the desired visual hierarchy in your designs.

Unfortunately, many tutorials and articles fail to cover this topic in depth, leaving many developers feeling lost and frustrated.


![z-index](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/1zjx2g10rk22pu6ya17p.jpg)

I am excited to announce that I have created a comprehensive guide on stacking context and z-index, today on gumroad.

This will completely change the way you approach the visual hierarchy of your website.

Through extensive research and practical examples, I have made it easy for you to grasp these essential concepts. The guide includes code pen examples and interactive challenges to ensure retention of the material.

Unlike many tutorials, my guide delves into the fundamentals of stacking context before diving into the intricacies of z-index. This approach ensures a solid foundation for understanding and troubleshooting these crucial elements of CSS. The guide covers the following topics:

**This guide is free for 7 days and i want you to try it out and i am sure that it will be worth while**.

![gumroad](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/zyx8t8mskkxc4i8svbxw.png)

[Check it out and let me know, how was this guide](https://sojinsamuel.gumroad.com/l/stacking-context-in-css).

You will find the complete outline of this guide on the home page.
Hosting a static website with S3 & CloudFront
Tags: aws, cloud, awscommunity, 100daysofcloud
Published: 2023-01-28 12:15:43

[28/100] #100DaysOfCloud Today, I hosted a static website with S3 & CloudFront.

Amazon CloudFront is a content delivery network (CDN) service built for high performance, security, and developer convenience.

<u>Use cases :</u>
- Deliver fast, secure websites
 - Reach viewers across the globe in milliseconds with built-in data compression, edge compute capabilities, and field-level encryption.

- Accelerate dynamic content delivery and APIs
 - Optimize dynamic web content delivery with the purpose-built and feature-rich AWS global network infrastructure supporting edge termination and WebSockets.

- Stream live and on-demand video
 - Start streams quickly, play them with consistency, and deliver high-quality video to any device with AWS Media Service and AWS Elemental integration.

- Distribute patches and updates
 - Scale automatically to deliver software, game patches, and IoT over-the-air (OTA) updates at scale with high transfer rates.

Amazon Simple Storage Service (Amazon S3) is an object storage service offering industry-leading scalability, data availability, security, and performance.

<u>Use cases :</u>
- Build a data lake
 - Run big data analytics, artificial intelligence (AI), machine learning (ML), and high performance computing (HPC) applications to unlock data insights.

- Back up and restore critical data
 - Meet Recovery Time Objectives (RTO), Recovery Point Objectives (RPO), and compliance requirements with S3’s robust replication features.

- Archive data at the lowest cost
 - Move data archives to the Amazon S3 Glacier storage classes to lower costs, eliminate operational complexities, and gain new insights.

- Run cloud-native applications
 - Build fast, powerful mobile and web-based cloud-native apps that scale automatically in a highly available configuration.

You can try host a static website with S3 & CloudFront by yourself by following the steps from the link below:
[GitHub](https://github.com/aaditunni/100DaysOfCloud/blob/main/Journey/028/Readme.md)