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يسهل حقن التبعيات استبدال العناصر الحقيقية بمحاكاة (Mocks) أثناء الاختبارات، مما يقلل التعقيد ويزيد دقة نتائج الاختبار.

يمكن تعديل أو استبدال أي تبعية دون تغيير الكائن الرئيسي، مما يجعل الكود أسهل في التطوير على المدى الطويل.

Add:

Host *
    ServerAliveInterval 60
    ServerAliveCountMax 3

When building a multilingual React application, translating the visible content is just part of the job. To make your app SEO-friendly and user-centric, you also need to:

• Translate URLs/slugs (e.g., /about-us → /fr/a-propos)
• Maintain SEO with hreflang for each language
• Improve UX by aligning URLs with user language
• Ensure route accessibility via browser language or manual switching

new Intl.NumberFormat('en-US', {
  style: 'currency',
  currency: 'USD'
}).format(4999.99);

// Output: $4,999.99

Make this dynamic in React:

Implementing i18n is no longer optional — it's essential in 2025 as user bases go global and inclusive design becomes the standard.

With i18next and react-i18next, you can:

Each micro-frontend should be versioned and deployed separately.

Use shared in Module Federation to prevent loading duplicate libraries (like react, vue, etc.).

Zustand is a small, fast, and scalable state management solution for React applications. Developed by the creators of Jotai and React-spring, Zustand aims to provide a minimalistic API based on hooks, eliminating the need for boilerplate code and context providers.

Key Features:

   const ThemeContext = React.createContext();
   const UserContext = React.createContext();

   const value = useMemo(() => ({ user, setUser }), [user]);

Then you'll need to restart MySQL:

sudo systemctl restart mysql

Edit AppArmor profile for MySQL:

sudo nano /etc/apparmor.d/usr.sbin.mysqld

   sudo nano /etc/apache2/sites-available/your_domain.conf

   <VirtualHost *:80>
       ServerName your_domain
       DocumentRoot /path/to/your/laravel/public

       <Directory /path/to/your/laravel/public>
           AllowOverride All
           Require all granted
       </Directory>

       ErrorLog ${APACHE_LOG_DIR}/error.log
       CustomLog ${APACHE_LOG_DIR}/access.log combined
   </VirtualHost>

#!/bin/bash
__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia __GL_VRR_ALLOWED=0 "$@"

Save and make it executable:

C++ developers often face memory management headaches, especially when working on legacy systems that don’t use C++11 or newer. Smart pointers like std::unique_ptr and std::shared_ptr are powerful, but what if you’re stuck with raw pointers?

In this tutorial, you'll learn:

This tutorial covers:

• What shallow vs deep copy means
• The problems caused by shallow copy
• How to implement deep copy correctly
• A practical class example with dynamic memory
• When to use Rule of Three vs Rule of Five

You can find your site + secret keys at:

https://www.google.com/recaptcha/admin

const userKey = req.headers['x-api-key'] || req.ip;
const key = `rate_limit:${userKey}`;

You can now:

One of the simplest and most popular starter projects is blinking an LED. Follow these steps:

• Arduino board (e.g., Arduino Uno)
• Breadboard
• LED
• 220Ω resistor
• Jumper wires

This HTML file loads p5.js, TensorFlow.js, and the COCO-SSD model library. We also reference our custom script file (sketch.js), which will contain our application logic.

Create a new file called sketch.js in your project folder. We’ll use p5.js to access the webcam and display the video on a canvas:

In a separate terminal window, start Tauri’s development server:

npx tauri dev

The lexer (or tokenizer) converts a stream of characters into a sequence of tokens. Each token represents a logical unit, such as a number or operator.

Header: Lexer.h