What is the default extension of CAD?

Want to learn the Laravel framework, but suffer from no resources or economic pressure? This article provides you with free learning of Laravel, teaching you how to use resources such as online platforms, documents and community forums to lay a solid foundation for your PHP development journey from getting started to master.

The integrity constraints of Oracle databases can ensure data accuracy, including: NOT NULL: null values ​​are prohibited; UNIQUE: guarantee uniqueness, allowing a single NULL value; PRIMARY KEY: primary key constraint, strengthen UNIQUE, and prohibit NULL values; FOREIGN KEY: maintain relationships between tables, foreign keys refer to primary table primary keys; CHECK: limit column values ​​according to conditions.

The essential Laravel extension packages for 2024 include: 1. LaravelDebugbar, used to monitor and debug code; 2. LaravelTelescope, providing detailed application monitoring; 3. LaravelHorizon, managing Redis queue tasks. These expansion packs can improve development efficiency and application performance.

The top ten cryptocurrency trading platforms in the world include Binance, OKX, Gate.io, Coinbase, Kraken, Huobi Global, Bitfinex, Bittrex, KuCoin and Poloniex, all of which provide a variety of trading methods and powerful security measures.

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Laravel is a PHP development framework for quickly building web applications. Newbie people should start from the official documentation and gradually learn the core concepts of Laravel, such as routing, controller, model and views. Secondly, understand the basics of PHP, database, front-end technology and object-oriented programming. Learn in practice, start with simple projects, and summarize experiences in errors. In addition, with the help of the power of the community, we can get help and share experience from resources such as Stack Overflow, and ultimately continue to learn and practice, becoming a Laravel master.

Integrating social media login in the Laravel framework can be achieved by using the LaravelSocialite package. 1. Install the Socialite package: use composerrequirelaravel/socialite. 2. Configure the service provider and alias: add relevant configuration in config/app.php. 3. Set API credentials: Configure social media API credentials in .env and config/services.php. 4. Write controller method: Add redirection and callback methods to handle social media login process. 5. Handle FAQs: Ensure user uniqueness, data synchronization, security and error handling. 6. Optimization practice:

Custom Laravel user authentication logic can be implemented through the following steps: 1. Add additional verification conditions when logging in, such as mailbox verification. 2. Create a custom Guard class and expand the authentication process. Custom authentication logic requires a deep understanding of Laravel's authentication system and pay attention to security, performance and maintenance.