teleren/devto huggingface dataset:
Array Without Last Element | Programming Tutorials | Lab
Tags: javascript, coding, programming, tutorial
Published: 2024-07-13 03:22:54


## Introduction

This article covers the following tech skills:

![Skills Graph](https://skills-graph.labex.io/array-without-last-element-28163.jpg)

In [this lab](https://labex.io/tutorials/array-without-last-element-28163), we will explore how to manipulate arrays in JavaScript by creating a function that returns all the elements of an array except the last one. We will use the `Array.prototype.slice()` method to achieve this and learn how to slice and extract elements from arrays. This lab will help us understand the fundamentals of working with arrays in JavaScript.


## How to Get an Array Without the Last Element

To practice coding, open the Terminal/SSH and type `node`. Here's how you can return all the elements of an array except the last one:

- Use `Array.prototype.slice()` to return all the elements of the array except the last one.

```js
const initial = (arr) => arr.slice(0, -1);
```

Here's an example:

```js
initial([1, 2, 3]); // [1, 2]
```


## Summary

Congratulations! You have completed the Array Without Last Element lab. You can practice more labs in LabEx to improve your skills.

![MindMap](https://internal-api-drive-stream.feishu.cn/space/api/box/stream/download/authcode/?code=ZTJjNjY4MTYxZjQwNDQxMzI3N2U2YjhjZjI2MmE0MjBfNTBkYzY2NzE3Y2ZlYTVhMjcxNTg5MWMzMjJhOTM5YWRfSUQ6NzM5MDk1NTYzODQ4ODM1MDcyNF8xNzIwODQwOTczOjE3MjA5MjczNzNfVjM)

---

> 🚀 Practice Now: [Array Without Last Element](https://labex.io/tutorials/array-without-last-element-28163)

---

## Want to Learn More?

- 🌳 Learn the latest [JavaScript Skill Trees](https://labex.io/skilltrees/javascript)
- 📖 Read More [JavaScript Tutorials](https://labex.io/tutorials/category/javascript)
- 💬 Join our [Discord](https://discord.gg/J6k3u69nU6) or tweet us [@WeAreLabEx](https://twitter.com/WeAreLabEx)
The 21 Days Challenge: Pt. 2
Tags: programming, productivity, coding, 100daysofcode
Published: 2024-07-13 11:16:57

In the first part, I talked about the idea of repeating a certain activity daily for 21 days to turn it into a habit, it is most unlikely that a habit is built over that short period. A 2009 study shows that the average time for a new habit to stick is about 66 days. So even if we try to build a habit in 21 days, it is most unlikely to stick to our lifestyle.

There comes the concept of the 21-90 rule. It states that it takes about 21 days to build a habit but 90 days to make it a permanent lifestyle change. The idea here is as clear as water- you take action on a longer streak to ensure you don't revert to your original state. 

---

Talking about me, I always wanted to build a programming habit in my daily schedule. As a beginner in my developing journey, I wish to learn
new tech stacks and contribute to open-source projects. For this, I need to regularly study and practice. For that, I've decided to take a challenge and start coding every day until it becomes a natural part of my lifestyle. I would try to learn and practice new programming concepts each day for 21 days, and track down the progress of each day in a series of articles.
You're facing conflicts with your boss. How can you resolve them without harming your relationship?
Tags: webdev, productivity, career, discuss
Published: 2024-07-13 03:37:59

#1. Understand Issues
An issue in like a wildfire it starts small but has the potential to burn the whole forest and in this case your relationship with your boss, don't allow it to spread any longer 
>"Fire must be extinguished the moment it is lit"
the same principle applies to an issue you must resolve it the moment it became an issue. Before making any bold statements about your boss and his/her actions rethink and reconsider because a boss or any managing position's actions are directed towards the betterment of the company as a whole and not just some selected few, Now that you have reconsidered and reevaluated your bosses actions act accordingly; with a cool and peaceful mind and try to calm your boss before you start making any suggestions.

#2. Open Dialogue 
A open dialogue is a great way of sharing thoughts with your boss or subordinates, and is a great way to resolve any issues you may have.
>In a open dialogue always try to be a active listener rather then a active speaker and try to point out the major issues first because sometimes one resolved major issue automatically resolves many small issues.

#3. Maintain respect
As a good citizen of the country and a good employee of a company its your duty to show respect to your elders, seniors and everyone who deserves to be respected. An issue may continue for a week but disrespecting continues to be a life long issue, 
>"If you want to be well respected by others first you must respect others". Being gentle and respectful will benefit you in resolving any issues you may be facing with your boss or any individual.
 >"The only way to win someone is through love and respect"
Oops at 28 Jun 2024
Tags: mistake
Published: 2024-07-13 03:50:26

Long time no see, dev.to community! Today I'd like to share yet another OOPS moment I encountered last month.
오랜만입니다! 오늘은 지난달에 맞부딪친 얼라리요......를 가지고 이야기해보고자 합니다.

So, here's a code:
```cpp
if(condition1) do_something();
if(condition2) do_something_else();
else do_yet_another();
```

Nothing much, huh? But, the problem is, the code should have been this way:
뭐, 별거 없긴 합니다만, 사실 문제는 코드가 원래 이런 식이어야 했다는 겁니다:
```cpp
if(condition1) do_something();
else if(condition2) do_something_else();
else do_yet_another();
```

Well, don't tell me you had no chance to experience something like this. ;)
뭐, 다들 이런 경우 한 번씩은 경험해 보시지 않으셨으려나요? ;)
Axial Fan Maintenance Tips: Extending Lifespan and Efficiency
Tags: design
Published: 2024-07-13 04:18:36

How To Maintain Your Axial Fan

However, if you have an axial fan in your home or establishment this is a must knowmaintenance tip on how to properly maintain it and let the wind keep blowing. Because they are specifically designed for air circulation, axial fans work wonders when it comes to cooling. These tips will increase the longevity of your fan and keep it in operation for years to come.

The Benefits of Axial Fans

Axial fans, in turn ensuring mass flow rates with relatively low power consumption. These types of 12 inch extractor fan are widely used in industries to control temperature. Axial fans has seen noise levels decrease and energy efficiencies go up in the most recent advancements making these fan designs even more versatile for accommodating multiple air handling applications.

Prioritizing Safety
Any work with axial fans should be done safely. The fan must be properly installed, and steady to avoid any mishaps. Do not touch the fan and do clear any loose clothing from anywhere near its blades otherwise there can be possibility of injuries.

Operating Your Axial Fan Efficiently

It is relatively simple to operate an axial fan. While some are controlled by a basic on/off switch, many models give you the ability to adjust speed for more (or less) customized airflow. Make sure the fan is focused where you want it to blow most efficiently.

Ensuring Proper Maintenance
Just like any other mechanical device, 12 inch axial fan need to be serviced regularly in order for them to operate correctly. This in particular means working to clean the blades and motorist parts of debris, as well as looking for any signs of wear or other damage. Greasing up the sliding parts is pivotal to help it bid farewell and handoff longer operation.

Various Uses for Axial Fans
These fans have become integral parts of the industry and are therefore used in almost all kinds building such as homes, offices to large commercial buildings. These fans work under the principle of ventilation and therefore are also very good to vent out a room with bad air quality. Other types of axial fan are more-suited for use in industrial settings e.g., factories and warehouses as they have been designed to withstand harsher conditions.

Concluding Thoughts
To sum up, these fans are a trusty and an efficient way to cool environments or move erroneous air. With these maintenance tips above, you are able to make sure that your 200mm axial fan runs at all time and has a long life process. Making an effort to properly clean and maintain your fan is not just going to help it run better, but also extend the time it serves you by keeping you cool with a good breeze.
Declarando Variáveis de Controle de Laço Dentro do for
Tags: java
Published: 2024-07-13 06:15:36

**Conceito**
- É possível declarar a variável de controle diretamente na declaração do laço for.
- Isso é útil quando a variável só é necessária dentro do próprio laço.

**Vantagens**
- Melhora a legibilidade e organização do código.
- Limita o escopo da variável ao laço, reduzindo a possibilidade de erros.

**Exemplo**
- O programa a seguir calcula a soma e o fatorial dos números de 1 a 5, declarando a variável de controle i dentro do for:

```
// Declara a variável de controle de laço dentro de for.
class ForVar {
    public static void main(String args[]) {
        int sum = 0;
        int fact = 1;
        // calcula o fatorial dos números até 5
        for(int i = 1; i <= 5; i++) {
            sum += i; // i é conhecida em todo o laço
            fact *= i;
        }
        // mas não é conhecida aqui
        System.out.println("Sum is " + sum);
        System.out.println("Factorial is " + fact);
    }
}

```

**Importante**
O escopo da variável declarada dentro do for é limitado ao laço.
Fora do for, a variável não é acessível:

```
// Declaração correta dentro do for
for (int i = 0; i < 5; i++) {
    System.out.println(i); // i é acessível aqui
}
// System.out.println(i); // Erro: i não é conhecida fora do laço

```
**Uso e Limitações**

Declare a variável dentro do for quando ela não for necessária fora do laço.
Se precisar usar a variável fora do laço, declare-a antes do for:

```
int i; // Declarada fora do laço
for (i = 0; i < 5; i++) {
    System.out.println(i);
}
// i é acessível aqui
System.out.println("Final value of i: " + i);

```
**Exploração**

Teste variações do laço for para entender melhor sua flexibilidade e comportamento.
30 Days of Code HackerRank using JAVASCRIPT DAY 2 : Operators
Tags: webdev, javascript, beginners, programming
Published: 2024-07-13 05:07:54

**Task**
Given the meal price (base cost of a meal), tip percent (the percentage of the meal price being added as tip), and tax percent (the percentage of the meal price being added as tax) for a meal, find and print the meal's total cost. Round the result to the nearest integer.

**Example**

meal cost = 100
tip percentage = 15
tax percentage = 8
A tip of 15% * 100 = 15, and the taxes are 8% * 100 = 8. Print the value 123 and return from the function.

Function Description
Complete the solve function in the editor below.

solve has the following parameters:

int meal_cost: the cost of food before tip and tax
int tip_percent: the tip percentage
int tax_percent: the tax percentage
Returns The function returns nothing. Print the calculated value, rounded to the nearest integer.


**SOLUTION**


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/i9gdwhx2u26hh53zm8xz.png)
Pics Shade Image Offload + Optimize + Resize wordpress plugin
Tags: picsshade, imageoffload, wordpressplugin, wordpress
Published: 2024-07-13 05:11:08



### Pics Shade Image Offload + Optimize + Resize wordpress plugin

#### Introduction
Are you looking for a seamless way to manage your WordPress media and improve your site's performance? Look no further! Introducing **Pics Shade Image Offload + Optimize + Resize**, the ultimate plugin to offload, optimize, and resize images effortlessly.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/8dsps4fyy41ykutvm4y0.png)



#### Benefits
- **Offload Images**: Automatically transfer your WordPress media to Pics Shade, reducing server load and improving performance.
- **Optimize Links**: Utilize optimized CDN links for faster image delivery.
- **Manage Settings**: Easily configure API keys, default tags, and more.
- **Automatic Deletion**: Optionally delete local images after offloading.

#### How to Get Started
1. **Download the Plugin**: [GitHub Repository](https://github.com/SH20RAJ/pics-shade-image-offload) | [Direct Download](https://github.com/SH20RAJ/pics-shade-image-offload/archive/refs/heads/main.zip)
2. **Installation**:
   - **Download the Plugin Zip**: Visit the [GitHub repository](https://github.com/SH20RAJ/pics-shade-image-offload) and click on "Download" or use the [Direct Download link](https://github.com/SH20RAJ/pics-shade-image-offload/archive/refs/heads/main.zip).
   - **Upload to WordPress Dashboard**:
     - Log in to your WordPress dashboard.
     - Navigate to 'Plugins' > 'Add New'.
     - Click on 'Upload Plugin' and choose the `pics-shade-image-offload.zip` file.
     - Activate the plugin through the 'Plugins' menu in WordPress.
   - **Configure Settings**:
     - Once activated, configure your settings under 'Settings' > 'Pics Shade Image Offload'.
   
#### Additional Resources
- [Get API Key](https://docs.pics.shade.cool/api-reference/get-api-key)
- [Track Usage on Dashboard](https://pics.shade.cool/dashboard)
- [See Images](https://pics.shade.cool/dashboard/images)

Enhance your WordPress media management today with Pics Shade Image Offload + Optimize + Resize!

{% github https://github.com/SH20RAJ/pics-shade-image-offload %}



---

Feel free to share this tool and contribute to its development. Your feedback and contributions are valuable!

---

**Author**: [sh20raj](https://dev.to/sh20raj)
Task 1: print exercises
Tags: python, print, exercise
Published: 2024-07-13 05:14:15

1. How do you print the string “Hello, world!” to the screen?

 print("hello" , "world!")

 
2. How do you print the value of a variable name which is set to “Syed Jafer” or Your name?

name = "syed Jafer"
print (name)

How do you print the variables name, age, and city with labels “Name:”, “Age:”, and “City:”?

print ( "name:" , name , "age:" , age , "city:" , city )

How do you use an f-string to print name, age, and city in the format “Name: …, Age: …, City: …”?

print(f" name: {name} , age: {age} , city: {city}")

How do you concatenate and print the strings greeting (“Hello”) and target (“world”) with a space between them?

print("hello " + "world")

How do you print three lines of text with the strings “Line1”, “Line2”, and “Line3” on separate lines?

print("line1\nline2\nline3")

How do you print the string He said, "Hello, world!" including the double quotes?

print (' "hello , world!" ')

How do you print the string C:\Users\Name without escaping the backslashes?

print(r"C:\users\name")


How do you print the result of the expression 5 + 3?

print (5+3)


How do you print the strings “Hello” and “world” separated by a hyphen -?

print("hello" , "world" , sep ="-")

How do you print the string “Hello” followed by a space, and then print “world!” on the same line?

print("Hello" + "world!")

How do you print the value of a boolean variable is_active which is set to True?

this = True
print(this)


How do you print the string “Hello ” three times in a row?

print("hello * 3")


How do you print the sentence The temperature is 22.5 degrees Celsius. using the variable temperature?

temperature = 22.5
print("the temperature is " + str(temperature) + " degrees celcius.")


How do you print name, age, and city using the .format() method in the format “Name: …, Age: …, City: …”?

print("name: {} , age:{} , city:{}". format(name,age,city))
O Laço while em Java
Tags: java
Published: 2024-07-13 06:20:13

Estrutura Geral

A forma geral do laço while:

```
while(condição) instrução;

```

- condição é uma expressão booleana que controla o laço.
- instrução pode ser uma única instrução ou um bloco de instruções.
- O laço repete enquanto a condição for verdadeira.

**Exemplo Simples**

Exibe o alfabeto usando um laço while:

```
// Demonstra o laço while.
class WhileDemo {
    public static void main(String args[]) {
        char ch = 'a'; // inicializa ch com 'a'
        while(ch <= 'z') { // condição para o laço
            System.out.print(ch); // exibe ch
            ch++; // incrementa ch
        }
    }
}

```
**Funcionamento:**
- ch é inicializado com 'a'.
- A cada iteração, ch é exibido e incrementado.
- O laço continua até ch ser maior que 'z'.

**Características do Laço while**

Verifica a condição no início do laço.
O código dentro do laço pode não ser executado se a condição for falsa desde o início.
Elimina a necessidade de um teste separado antes do laço.

**Exemplo de Potências de 2**

Calcula as potências inteiras de 2 de 0 a 9:

```
// Calcula as potências inteiras de 2.
class Power {
    public static void main(String args[]) {
        int e;
        int result;
        for(int i = 0; i < 10; i++) {
            result = 1;
            e = i;
            while(e > 0) { // enquanto e for maior que 0
                result *= 2; // multiplica result por 2
                e--; // decrementa e
            }
            System.out.println("2 to the " + i + " power is " + result);
        }
    }
}

```

**Funcionamento:**
- result é inicializado com 1.
- e recebe o valor de i.
- Enquanto e for maior que 0, result é multiplicado por 2 e e é decrementado.
- O laço while não é executado se e for 0.

Saída do Programa: A saída do programa mostra as potências de 2 de 0 a 9

O laço while é ignorado quando e é 0, como na primeira iteração do laço for.

**Conclusão**

- O laço while é útil para repetir um bloco de código enquanto uma condição for verdadeira.
- Pode ser usado de forma eficiente para realizar operações iterativas, como mostrar o alfabeto ou calcular potências.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/0u8agszpg7o9rwrwgq20.jpg)
Types of Cloud Computing
Tags: webdev, tutorial, devops, aws
Published: 2024-07-13 05:35:11

1 . (SaaS) **Software as a Service** : 

> For Customers 

A product that is run and managed by the service providerprovider
"Don't worry about how the service is maintained, It just work and remain available."

Examples : Gmail | Office 365 | Salesforce

-------------

2 . (PaaS) **Platform as a Service** : 

> For Developers

Focus on the deployment and management for your apps.
"Don't worry about Provisioning, Configureing, or understanding the hard-ware or OS"

Examples : heroku | Google App Engine | Beasntalk

-------------

3 . (IaaS) Intrastructure as a Service** : 

> For Admins

The basic building blocks for the Cloud IT. Providers access to networking features, Computers and data storage space.
"Don't worry about the IT staff, Data centers and hardware"

Examples : Azure | Oracle Cloud | AWS

See you in the next article guys 👋
Dzyn Furniture
Tags: furniture, officefurniture, poojamandirs, rockingchairs
Published: 2024-07-13 05:48:14

[DZYN Furnitures](https://dzynfurnitures.com/) - Elevate Your Space With Teakwood Furniture 
Discover exquisitely handcrafted Teakwood Pooja Mandirs and premium furniture. Elevate your space with timeless designs crafted by Dzyn [Furnitures](https://dzynfurnitures.com/
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/iwp1l3jhuo16wzxxozwo.jpg)). Free installation with no breakage guarantee. Explore Now
WHY APPROPRIATE RING SIZE IS IMPORTANT
Published: 2024-07-13 05:52:46

A [wedding rings dallas](https://www.nirvanajewelers.com/featured-weddings/) should fit like a finger’s extension. Too tight can be painful and restrict circulation. Too loose and you could lose this precious token of your love. If the sizing is right, your wedding ring will fit wonderfully and be proudly worn every day. 

You want your wedding band to be perfect when you buy it. Sizing matters for many reasons:

**1. COMFORT:**
Unfit rings can cause blisters, calluses, and pain.

**2. SECURITY:**
While a tight ring might become caught and cause swelling, a loose ring can easily slip off and get lost.

**3. APPEARANCE:**
A well-fitting ring displays its beauty and design as intended when it rests comfortably on your finger.

**4. LONGEVITY:**
Over time, frequent resizing or adjustments may cause the ring to lose strength. Its integrity and look can be preserved by making sure it fits properly from the beginning.

At Nirvana Jewelers Diamond Boutique, every detail matters, especially your wedding ring. Your ring will last a long time and be a beautiful, safe, and comfortable sign of your commitment thanks to our excellent sizing.
My Next.Js configuration
Published: 2024-07-13 05:59:25

Generally while creating a content-heavy Next.Js project, I prefer to have it initialized with a few params like below:

```bash
npx create-next-app --ts \
--tailwind \
--eslint \
--app --src-dir \
--import-alias \
--use-yarn \
-e app-dir-mdx <app_name>
```
Mastering Event-driven File Downloads with Fluent Wait in Selenium
Tags: selenium, webautomation, automation, testing
Published: 2024-07-13 06:00:29

In the dynamic landscape of web automation, handling file downloads is a common challenge. One powerful tool at our disposal is the Fluent Wait mechanism in Selenium. In this blog post, we’ll delve into the intricacies of using Fluent Wait to efficiently wait for file downloads, ensuring your automation scripts remain robust and reliable.

Understanding the Scenario: File Downloads

Consider a scenario where you need to download a file from a web application, and your automation script needs to wait until the download is complete before proceeding with further actions. This is where Fluent Wait shines, providing a flexible and dynamic approach to handle such events.

## The Code in Action
Let’s explore a practical example illustrating the use of Fluent Wait to monitor file downloads. In this scenario, we’re automating the download of a JDK installer using Selenium WebDriver and ensuring the download is complete before proceeding.


In this example, we initiate a WebDriver session, navigate to the JDK download page, specify the download path and file name, and then employ Fluent Wait to monitor the download directory for the completion of the file download.

## Breaking Down the Code

- Setting Up WebDriver: We start by initializing a ChromeDriver and navigating to the JDK download page.
- Defining Download Path: Specify the local path where you expect the file to be downloaded.
- Fluent Wait Configuration: Create a Fluent Wait instance for the file, setting timeouts, polling intervals, and exceptions to ignore during the wait.
- Monitoring File Download: Utilize the Fluent Wait to check if the file exists and is readable, indicating a completed download.
- Handling Results: Based on the outcome, print a corresponding message indicating the status of the download.

Stay tuned for the upcoming sections where we will explore advanced use cases and strategies for incorporating Fluent Wait into your Selenium automation arsenal. Master the art of waiting for events with precision, and elevate the reliability of your automated file download workflows

Witness how our meticulous approach and cutting-edge solutions elevated quality and performance to new heights. Begin your journey into the world of software testing excellence. To know more refer to **Tools & Technologies & QA Services.**

If you would like to learn more about the awesome services we provide, be sure to **reach out.**

Happy Testing 🙂