teleren/devto huggingface dataset:
SAFe Agilist 5.1 Exam Dumps - IT certification exam preparation store
Published: 2023-02-24 10:05:27

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Test-Driven Development: The Key to Building Reliable and High-Quality Software
Tags: testing, computerscience
Published: 2023-02-24 10:00:00

Test-driven development (TDD) is a software development methodology that emphasizes writing automated tests before writing the actual code. By using TDD, developers can create more reliable and high-quality software.

## **What is Test-Driven Development?**

Test-driven development is a software development methodology that emphasizes writing automated tests before writing the actual code. The basic process of TDD involves writing a test for a specific feature or functionality, then writing the code to pass the test, and then refactoring the code as needed. This process is then repeated for each new feature or functionality.

TDD encourages a focus on writing small, well-defined tests that cover all possible scenarios and edge cases. This helps to ensure that the code is thoroughly tested and that any bugs or errors are caught early in the development process. TDD also promotes a more modular and testable codebase, which makes it easier to maintain and update the software.

## **The Benefits of Test-Driven Development**

Test-driven development provides numerous benefits for software development, including:

- **Reliability:** By thoroughly testing the code, TDD helps to ensure that the software is reliable and free of bugs and errors.
- **Maintainability:** TDD promotes a more modular and testable codebase, making it easier to maintain and update the software.
- **Early bug detection:** By catching bugs early in the development process, TDD helps to reduce the cost and time required to fix them.
- **Faster development:** By focusing on small, well-defined tests, TDD allows developers to work faster and more efficiently.

## **An Example: A Simple Calculator**

An example of test-driven development is building a simple calculator. The first step would be to write a test for a specific function, such as addition. The test would check that the calculator correctly adds two numbers together and returns the correct result.

Next, the developer would write the code to make the test pass, in this case, an add function. The developer would then repeat this process for other functions such as subtraction, multiplication and division.

After all the tests are passed, the developer can then refactor the code to make it more readable and efficient.

## **Conclusion**

Test-driven development is a powerful software development methodology that emphasizes writing automated tests before writing the actual code. By using TDD, developers can create more reliable and high-quality software that is easier to maintain and update. So, start exploring the world of test-driven development and see how it can benefit your software development process.
Customizing Netsuite: The Key to Unlocking the Full Potential of Netsuite ERP
Tags: netsuite, erp, software
Published: 2023-02-24 09:56:36

If you're a business owner or manager, you've probably heard of Netsuite ERP. It's a powerful cloud-based business management solution that can help you streamline your operations, manage your finances, and grow your business. However, to truly take advantage of all that Netsuite ERP has to offer, you need to customize it to meet your specific needs.

That's where Netsuite customization services come in. These services can help you tailor Netsuite ERP to fit your business processes, workflows, and requirements. Whether you need to add custom fields, create new reports, or integrate Netsuite with other systems, a Netsuite customization service provider can help you achieve your goals.

Here are some of the benefits of Netsuite customization services:

**Increased efficiency and productivity** - By customizing Netsuite ERP to fit your specific needs, you can streamline your business processes and reduce manual data entry. This can help you save time and increase productivity, allowing you to focus on more important tasks.

**Better visibility and control** - Customizing Netsuite ERP can give you better visibility into your business operations and help you make more informed decisions. You can create custom reports and dashboards that provide real-time insights into your business performance.

**Improved customer experience** - By customizing Netsuite ERP, you can provide a better customer experience. You can create custom workflows that automate tasks and ensure that your customers receive prompt and accurate service.

**Competitive advantage** - Customizing Netsuite ERP can help you differentiate your business from your competitors. You can create unique workflows and processes that give you a competitive advantage in your industry.

In conclusion, [Netsuite customization services](https://www.jobinandjismi.com/service/netsuite-customization/) are essential if you want to unlock the full potential of Netsuite ERP. By customizing Netsuite to fit your specific needs, you can increase efficiency, improve visibility and control, enhance customer experience, and gain a competitive advantage in your industry. So if you're using [Netsuite ERP](https://www.jobinandjismi.com/netsuite-erp/), consider partnering with a Netsuite customization service provider to help you take your business to the next level.
This Week In Python
Tags: python, discuss, thisweekinpython
Published: 2023-02-24 09:49:16


**Fri, February 24, 2023**


This Week in Python is a concise reading list about what happened in the past week in the Python universe. 

**I have received some good suggestions for this week's content. Thank you.**

**Did I miss anything from the Python universe this week? What did you read or tried out?**


## Python Articles



- [My Own Python Web Framework](https://healeycodes.com/my-own-python-web-framework)
- [Why Python Won't Be the Language of LLMs](https://matt-rickard.com/why-python-wont-be-the-language-of-llms)
- [Python’s multiprocessing performance problem](https://pythonspeed.com/articles/faster-multiprocessing-pickle/)
- [Avoiding Performance Killers in Loops](https://sourcery.ai/blog/performance-slowdown-in-loop/)
- [PyLisp – A Tiny Lisp in Python using Fuzzy logic](https://www.biostat.wisc.edu/~annis/creations/PyLisp/)



## Projects


- [replbuilder](https://github.com/Aperocky/replbuilder) – Python helper tool for building and running a repl
- [scalene](https://github.com/plasma-umass/scalene) – a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals
- [hyx](https://github.com/roma-glushko/hyx) – Lightweight fault tolerant primitives for your modern asyncio Python microservice
- [ApiLogicServer](https://github.com/valhuber/ApiLogicServer) – Instantly create customizable database web app projects, providing API, Admin UI, and unique declarative business logic
- [data-diff](https://github.com/datafold/data-diff) – Efficiently diff data in or across relational databases

**Did I miss anything from the Python universe this week? What did you read or tried out?**
Post for myself 🐈‍⬛
Tags: cat
Published: 2023-02-24 09:49:05


# Hello!

That's my first experience with Markdown. I want to introduce my cat Fenechka!

---

She's a *precious* black cat. She has a lot of different *aliases* like: Bulka, Zhopka, Boobsik, Boos', Peregorevshiy Hleb and etc. 

> "The blood is in you blood!" - **Some Wolf**

Main features:
1. Sleeps well
2. Drinks a lot of water
3. Nice black fur

Additional features:
- Not very talkative
- Loves running at night

---

Here's some CSS:
```
#fenya {
   background: #000;
}
```
---
Here's a table:

|Name |Surname|
|-----|-------|
|Fenya|Bulka  |
---
Here's a picture of her:
[![fenya zhopka](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/lhwexvomdx04ci7so6mb.jpg)](https://instagram.com/angry_kindness)
Here's my ~~dog~~ cat. Her name is **Fenechka**.

---
*Azat Sadriev* 
[LinkedIn](https://www.linkedin.com/in/azat-sadriev-9bbb7a167/)
<thefreedom77@gmail.com>
A basic configuration of Neovim
Published: 2023-02-24 09:48:33

## Introduction
Hello, I felt as my Neovim configuration was bloated. So, today I'll be teaching you on how to configure your Neovim config, from scratch!

## The layout of the configuration.
(If you don't like something, feel free to change up some stuff!)
First, if you haven't already go get Neovim from your favorite package manager(s) or [build Neovim from scratch (!)](https://dev.to/asyncedd/building-neovim-from-source-1794)

So, first we're going to set some basic Neovim options, keymaps and then we can go add some plugins!

## Initalize your Neovim config.
Go ahead and make a `nvim` folder in:
* *Nix systems: ~/.config/nvim (or your: `$XDG_CONFIG_HOME/nvim`, if you set that up.)

* Windows: ~/AppData/Local/nvim

If you've done that, go create an `init.lua` in your `nvim` configuration directory.

Neovim 5.0+ provides users to write their Neovim configurations in Lua which is:
* Fast.
* Easy.
* And fun!

So, nuf' talkin' and let's go write our Neovim configuration.

We can write all our configuration in one big file. That'll work, but it'll be less easier to maintain. So, we can go break our Neovim configuration in multiple files.
We can have a file structure like:
```
~/.config/nvim/
├── init.lua
└── lua/
    ├── core/
    │   ├── init.lua
    │   └── options.lua
    └── keymaps/
        └── movement.lua
        └── ...
```

Alright. In out `core/init.lua` we're going to require the `core.options` and `keymaps` modules.
using:
```lua
local M = {}

M.setup = function()
  require("core.options")
  require("keymaps.movement")
end

return M
```

This code, it provided a `.setup()` function. Because it looks cool.

So, now...

## Setting options
Let's set some options in our `core/options.lua`!
Here's how it could look like:

```lua
local o = vim.opt

o.undofile = true -- Persistent undo's across all sessions
o.backup = false -- Don't write backups. (For better performance and, unneeded non-sense
o.writebackup = false -- Don't write backups.
o.shiftwidth = 2 -- Insert two shifts per indent.
o.autoindent = true -- Copy indent from the current line when starting a new line
o.breakindent = true -- Indent wrapped lines too.
o.copyindent = true -- Copy the structure of the existing lines' indents.
o.expandtab = true -- Convert tabs to spaces.
o.smartindent = true -- Non-strict cindent.
o.number = true -- Enable line numbers
```

I'm not going into much detail on what these options do, but the comments should be self-explanatory

## Keymaps.
Neovim provides an interface for it's user to create new key mappings. I'll give you an example:

```lua
local map = vim.api.nvim_set_keymap

-- Move up/down on VISUAL line instead of a ACTUAL line
map("n", "j", "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
map("n", "k", "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })
```

## That's it!
That's it x2! In the next post, I'll show you how to install [lazy.nvim](https://github.com/folke/lazy.nvim). So be tuned! *(P.S this is the final result: [here](https://github.com/asyncedd/nvim))*
java script Hoisting
Tags: webdev, javascript, beginners, programming
Published: 2023-02-24 09:39:01


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/04lo1maxpxs9hf0o81ri.png)

HI!
in this article i want explain `Hoist` and `Hoisting` rule in java script. as you know javaScript its a language with a lot concept and rules and tips. so Hoisting its another rule of `variable` in javaScript, so important and for your programming way it can be so good and helpful.

Hoisting is about Declaration and this things.
there is some way for declare and use and display a variable and value of that variable.
for example:

```
x = 1;
console.log(x);
var x;
```
maybe after this you say with yourself main rule for declare a variable is this:

```
var x = 1;
```
yes, in general we declare with this rule and syntax but if we use from those syntax we use from `Hoist` rule in our program.
but believe me Hoist its can be useful and helpful, every rules in javaScript is so helpful and good for our way.

> Tip/ we can't use `const` or `let` keyword for above example, this will result  in a `ReferenceError`.
Removing return types in the controller - Laravel 10.1 Released
Tags: php, laravel, webdev, programming
Published: 2023-02-24 09:25:33

It was released Laravel 10.1 after the official release of what I consider to be an important fix and update, as well as other things, but we will focus on Removing return types

- Removing return types in the controller stubs

The Laravel 10 major release included return types in userland code, including controller stubs. However, this caused some confusion as Laravel controllers can return various types of data (i.e., array, string, View, etc.).

Pull Request #46166 aimed to return mixed type to avoid errors in generated controllers but still provide types. Eventually, pull request #46166 was updated to remove all return types from controllers. No matter what side of the fence you are on, there are plenty of options for you to customize stubs if you wish native return types in generated controllers.

See Customizing Stubs in Laravel if you want to learn more about adapting controller stubs to your preference.

Here the topic is well covered 
https://www.youtube.com/watch?v=daaT9HvotPU

Visit the resources to dig deeper.
https://laravel-news.com/laravel-10-1-0
OBDFX provides professional investment advice
Published: 2023-02-24 09:11:17

OBDFX is a professional foreign exchange company that provides high-quality foreign exchange trading services for global customers and provides a wide range of foreign exchange trading tools, including foreign exchange trading, foreign exchange investment, foreign exchange index, foreign exchange futures, foreign exchange options, etc. OBDFX has a professional customer service team to provide customers with high-quality investment advisory services and provide customers with a safe and reliable trading environment.

OBDFX has a professional technical team to provide customers with comprehensive technical support and ensure the safety of customers' transactions. OBDFX's foreign exchange trading platform supports multiple languages to provide customers with a more convenient trading experience.

The team of OBDFX is composed of a group of professional financial experts who have rich foreign exchange trading experience and professional technology to provide customers with the best quality services. The team members have rich investment experience, are familiar with the changes in the foreign exchange market, and can provide customers with the best investment advice. The team members are international financial experts, familiar with the changes in the foreign exchange market, and able to provide customers with the best investment advice. All team members hold the professional qualification of international finance, provide professional investment advice to customers, and ensure the investment safety of customers.
System Design and Interview Platform
Tags: systemdesign, career, interviewprep, gkcs
Published: 2023-02-24 09:05:25

Attention all learners! The InterviewReady platform is your one-stop-shop for comprehensive courses. The platform is designed to make learning easy, accessible, and fun. With our user-friendly platform, you can access a range of Software engineering courses, lessons, doubt solving zoom sessions, blogs and quizzes, all at your fingertips.

Courses we offer:
System Design Simplified
Cracking Behavioral Interviews

Our platform is the perfect way to study in an organized manner, track your progress and optimize your time. Our courses are designed by expert instructors with multiple years of experience in their feilds, ensuring that you receive the best education and support available.

Start your learning journey today and join our community of lifelong learners. With InterviewReady, you can take your education to new heights and achieve your goals. Sign up now and discover the power of online learning!  

Link: https://interviewready.io

Check us our for more info on how to ace your Software Interviews!
0 থেকে n পর্যন্ত সংখ্যার প্রতিটিতে 1 bit কতবার আছে বের করা
Tags: tutorial, algorithms, bits
Published: 2023-02-24 08:56:34

আমরা recursion and dynamic programming ব্যবহার করে সহজেই এটার সমাধান O(nlogn) complexity তে বের করতে পারি। এক্ষেত্রে আমরা যেভাবে স্বাভাবিকভাবে bit সংখ্যা বের করি সেভাবেই চিন্তা করতে পারি। অর্থাৎ প্রতিবার ভাগ করতে থাকব এবং ভাগশেষ টাকে count করব। যেমনঃ 

`25 % 2 = 1   25 / 2 = 12
12 % 2 = 0   12/ 2 =  6
6 % 2  = 0   3/2 = 1
1 % 2 = 1    1/2 = 0 `

এখানে আমরা যদি আমরা set bit পাই তাহলে বিট সংখ্যা 1 বৃদ্ধি পাবে। অন্যথায় তার সেট বিট সংখ্যা তার অর্ধেক সংখ্যার সমান।  

```
char bit[(int)1e5 + 1];

int getBit(int n) {
    if (n == 0)
        return 0;

    if (bit[n] == 0) {
        return bit[n] = (n & 1) + getBit(n / 2);
    }

    return bit[n];
}

vector<int> countBits(int n) {
    vector<int> x;
    for (int i = 0; i <= n; i++) {
        x.push_back(getBit(i));
    }
    return x;
}
```


কিন্তু আমরা আরেকটু চিন্তা করতে চাই। 

জোড় সংখ্যা মানে হচ্ছে তার শেষে বাইনারিতে 0 থাকবে। যেমন,

`0 : 0000
2 : 0010
4 : 0100
6 : 0110
8 : 1000`

আবার কোন সংখ্যাকে আমরা দ্বিগুণ করতে চাই তখন আমরা কী করি? তার শেষে একটা 0 লাগিয়ে দেই। যেমন,

`
1:     0
2:    10
5:   101
10: 1010`

তার মানে কোন সংখ্যাকে ২ দিয়ে ভাগ করার অর্থ হল তার থেকে একটা 0 কমিয়ে দেওয়া। যেমন,

`12: 1100
6:   110`

আসলে এক্ষেত্রে 1 এর সংখ্যা কিন্তু কমছেও না বাড়ছেও না।

কিন্তু আমরা যদি জোড় সংখ্যার সাথে একটা 1 যুক্ত করি তার মানে নতুন সংখ্যায় আগেরটার চেয়ে একটা 1 বেড়ে গেল। এটাই হচ্ছে এই প্রবলেমের সবচেয়ে মজার দিক। যেমন, 
`
10: 1010 (2 set bit)
11: 1011 (3 set bit)
12: 1100 (2 set bit)
13: 1101 (1 set bit)
`

তাহলে আমাদের এবার আর logn extra complexity লাগছে না। আমাদের প্রবলেমটা এখন O(n) (প্রতিটি element আমরা একবার access করব)  complexity তেই সমাধান করা যাচ্ছে। Function টা এখন আমরা এভাবে লিখতে পারি- 

```
int getBit(int n) {
    if (n == 0)
        return bit[0] = 0;

    if (n & 1) { // ood number
        return bit[n] = bit[n - 1] + 1;
    }
    return bit[n] = bit[n / 2];
}
```
অর্থাৎ জোড় হলে সে যার দ্বিগুণ তার bit সংখ্যার সমান। আর যদি বেজোড় সংখ্যা হয় তাহলে আগের জোড় সংখ্যার সাথে শুধু ১ যোগ হবে শেষে। তার মানে একটা 1 বিট বেড়ে গেল। 

[LeetCode Problem Link](https://leetcode.com/problems/counting-bits/description/)
Controlling Servo Motor with Joystick
Tags: esp32, joystick, servo, servomotor
Published: 2023-02-24 08:46:50

The project uses Joystick input to rotate the servo motor using ESP32

{% embed https://www.youtube.com/watch?v=9dIuER-FAgE %}

Github: https://github.com/aseem-dev/Servo-Mo...
Improve TypeScript Omit type
Tags: typescript, webdev, programming, javascript
Published: 2023-02-24 08:41:20

# Introduction

Builded `Omit` type can be very useful


e.g.:


```typescript
interface Obj {
  key1: string;
  key2: number;
}

type R1 = Omit<Obj, 'key1'>; // { key2: number }
type R2 = Omit<Obj, 'key2'>; // { key1: string }
```

However there's one disadvantage.

```typescript
interface Obj {
  key1: string;
  key2: number;
}

type R1 = Omit<Obj, 'kye1'>; // { key1: string; key2: number }
```

Omitting a key that doesn't exist is pointless, so I'll expect some error.

# Implementation

Omit type looks like this:

```typescript
type Omit<T, K extends keyof any> = Pick<T, Exclude<keyof T, K>>;
```

Problem is that K is not key of anything, it's a key of this object. So let's change it:

```typescript
// type.utils.ts
export type Omit2<T extends {}, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;

interface Obj {
  key1: string;
  key2: number;
}

type R1 = Omit2<Obj, 'kye1'>; // Type '"kye1"' does not satisfy the constraint 'keyof Obj'.(2344)
```

# Installation

Now we have to ensure that Omit2 will be used instead of Omit. I've no idea how to overwrite something from `es5.d.ts`, however we can ban `Omit` using eslint.

```javascript
// eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint'],
  rules: {
    "@typescript-eslint/ban-types": [
      "error",
      {
        "types": {
          "Omit": "Use Omit2 from type.utils instead",
        },
        "extendDefaults": true
      }
    ]
}
```

Then if someone forgot about the presence of `Omit2` eslint will throw an error with a proper message.

# Summary

It's not a big improvement but maybe it will catch a bug or two.

# Read more

Checkout discussion about strict-ness of Omit. [https://github.com/microsoft/TypeScript/issues/30825](https://github.com/microsoft/TypeScript/issues/30825)