eloquent javascript

When action grows unprofitable, gather information; When information grows unprofitable, sleep. Ursula K. Le Guin, the left Hand of Darkness Index Several viewpoints of the author ECMAScript Standard Values, Types, and Operators Web browsers is not the only platforms in which JavaScript is used. Some databases, such as MongoDB and CouchDB, use JavaScript as their scripting and qu

A friend recommended book (http://eloquentjavascript.net/), while not busy recently read the next. In general, this book is not suitable for beginners of JS, because the examples in it are relatively poor, less academic, and practical applications. I personally recommend head first JavaScript For JS books. In fact, it is said that all the books in the head first series are good. Every book has its merits. If you plan to read this book, you may j

In the first chapter, the authors describe various values, but these independent values are meaningless and only reflect their value when placed on a larger frame. So the second chapter begins to introduce the program structure.1, var VS. Let and constThe author recommends let, because Var has some bizarre behavior? Not explained in detail for the time being.Const is used to bind constant values2. About JavaScript Operating environmentIn the context o

A friend recommended book (http://eloquentjavascript.net/), while not busy recently read the next. In general, this book is not suitable for beginners of JS, because the examples in it are relatively poor, less academic, and practical applications. I personally recommend head first JavaScript For JS books. In fact, it is said that all the books in the head first series are good. Every book has its merits. If you plan to read this book, you may j

1. Introduction Data tables are often associated with other tables, such as a blog post that may have many comments, or an order that is linked to a single user, eloquent makes it easy to organize and process these relationships, and supports many different types of affinity relationships: One One-to-many Many-to-many Far layer one to many Polymorphic Correlation Many-to-many polymorphic associations 2. Define Association r

Describes how to use Eloquent object ing in the Laravel framework of PHP, laraveleloquent 0. What is Eloquent?Eloquent is Laravel's 'orm ', that is, 'object Relational mappings', Object relationship ing. The emergence of ORM is to help us make database operations more convenient. Eloquent allows a 'model class' to corr

Eloquent ORM (Object relational mapping) ORM, the Object-relational Mapping (Object relational mapping), is a mapping between relational databases and business entity objects, so that we don't have to deal with complex SQL statements when we're working with specific business objects. Simply manipulate the properties and methods of the object. One of the most common implementations of ORM is that ActiveRecord and Datamapper,activerecord are particula

Describes how to use Eloquent object ing in the Laravel framework of PHP, laraveleloquent. Describes the use of Eloquent object link ing in the Laravel framework of PHP, laraveleloquent zero, and what is EloquentEloquent is Laravel's ORM, that is, ObjectRelationalMapping. describes the use of Eloquent object link ing in the larav, laraveleloquent 0. what is

Laravel Tutorial Four: Databases and eloquentThis article is original article, without consent, prohibit reprint. Eloquent Database The previous article wrote some basic usages of laravel blade and several ways to pass variables to the view,In this section, we talk about database configurations and laravel powerful eloquent that deal with databases.Database configuration for Laravel

Eloquent Object relational mapping in PHP's Laravel framework is used, laraveleloquent 0. What is eloquentEloquent is the Laravel ' ORM ', which is ' Object Relational Mapping ', which is a relational mapping of objects. The advent of ORM is to help us make the operation of the database more convenient. Eloquent lets a ' model class ' correspond to a database table and encapsulates a lot of ' function ' in

Laravel notes-eloquent ORM (associated relationship) It 's written in front . time is valuable, use the catalogue ↑ Learn Laravel notes, just as Laravel document notes, the purpose is to strengthen the understanding of the document, the quality is not high. What is an association relationship So, there is bound to be some connection between tables and tables in a database, which is the meaning of correlation. Through

Eloquent is Laravel's original ActiveRecord is implemented, built on the Laravel fluent Query builder, so the eloquent class and the fluent class are the same, The ability to implement complex SQL statements and very visually express the relationship between tables and tablesActiveRecord also belongs to the ORM layer, which was first proposed by rails, followed by the standard ORM Model: Table maps to recor

0, what is eloquenteloquent is Laravel's ' ORM ', the ' Object Relational Mapping ', the object-relational mapping. ORM appears to help us make the operation of the database easier. Eloquent lets a ' model class ' correspond to a database table, and encapsulates a lot of ' function ' at the bottom so that the model class can be easily invoked.Take a look at the following code: ' Protected $fillable = []; ' This line of code here has no

This article mainly introduces the use of Eloquent object ing in the Laravel framework of PHP, and focuses on the relationship between Eloquent data models. For more information, see 0. what is Eloquent?Eloquent is Laravel's 'orm ', that is, 'object Relational mappings', Object relationship ING. The emergence of ORM is

Brief introduction In fact, we all know that the data table can be correlated, eloquent ORM is the data model operation instead of table operations, then the table associated query, in eloquent here is the model of the association query, this is the main content of this chapter; Eloquent one supports the following 6 types of table relationships: One to o

Introduced Laravel's eloquent ORM provides a beautiful, concise ActiveRecord implementation to interact with the database. Each database table interacts with a corresponding "model". Before you start, remember to configure the database connection in the config/database.php. Basic usage Let's start with building a eloquent model. Models are usually placed in the app directory, but you can place them anyw

　　Small friends, this article is in my previous essay on the basis of completion, have not browsed the classmate, please move the eloquent ORM learning notes.The previous article used the Leftjoin method, in fact eloquent for the correlation between the module query has its own encapsulation, then we will study together eloquent how the association is applied.　　1

Don't understand what this thing is?? What is the relationship between eloquent and M (model) in the traditional MVC model? Can it be said that eloquent is a model that has injected data into the model? The questioner beginner laravel, many aspects still do not understand. Reply content: Don't understand what this thing is??What is the relationship between eloquent