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returned. This is also why we often hear that we should not use select *, but only select the desired columns for output, because select * can easily lead to bookmarksearch, after all, we cannot create an index on all columns, nor can we use clustered indexes for all queries (when using clustered indexes and table scans, there is no bookmarksearch) Misunderstanding 5. The number of logical reads in the query overhead statistics is the number of records read. Naively, I once thought that the nu

This article mainly introduces the method of database migration of Laravel, small series think very good, now share to everyone, also give you a reference. Follow the small series together to see it, hope to help everyone. Build migration The--table and--create options can be used to specify the name of the data table or a new data table that will be created when the migration is executed. These options are required to fill in the specified data table when the migration file is pre-generated:

, way/generators, which is its name in the composer library. Add the following content to composer. json: "Require-dev ":{"Way/generators ":"~ 2.0"}, Similar to "require", put it below, not inside ~. Run composer update and add the configuration at the appropriate location in./app/config/app. php: The installation of 'way \ Generators \ generatorsserviceprovider' has been completed. run php artisan in the command line to see many new functions of th

. Routes, controller, and view are basically different from symfony, but it is not difficult to get started. Finally, let's take a look at queue. 1. Installing laravle and using composer is simple. composer global require "laravel/installer=~1.1"vi ~/.bash_profile Change ~ /. Composer/vendor/bin is added to the environment variable. source ~/.bash_profile You can use laravel directly in the command line. Try it. laravel -V If you can see the following, it means the operation is successful.

. SOURCE ~/.bash_profile You can use Laravel directly on the command line. Try it. Laravel-v If you can see the following, it means success. Laravel Installer Version 1.2.1 2, create the project. Laravel New Guagua 3. Configure Redis and queue. 4. Create Controller, PHP Artisan Make:controller Defaultcontroller Push100 a queue task in the Controller's action. for ($i = 0; $i 5. Create Queue command PHP

rights verification system. Open the./composer.json, change to: "Require": {"laravel/framework": "4.2.*", "Cartalyst/sentry": "2.1.4"}, then, Run the command composer update under the project root and wait a moment, it will prompt cartalyst/sentry 2.1.4 installation is complete. In the same vein, we will install a very powerful plugin for development, Way/generators, which is its name in the composer library. In COMPOSER.JSon added: "Require-dev": {"way/generators": "~2.0"}, and "require" sibli

same vein, we will install a very powerful plugin for development, Way/generators, which is its name in the composer library. Added in Composer.json: Copy the Code code as follows:"Require-dev": {"Way/generators": "~2.0"}, Put it under "require". Run composer Update, and then add the configuration in./app/config/app.php: Copy the Code code as follows:' Way\generators\generatorsserviceprovider ' Once the installation is complete, run PHP artisan on th

line. Try it. laravel -V If you can see the following, it means the operation is successful. Laravel Installer version 1.2.1 2. Create a project. laravel new guagua 3. Configure redis and queue. 4. Create a controller, php artisan make:controller DefaultController Push100 queue tasks in the controller action. for($i = 0; $i 5. Create the queue Command php artisan make:command SendEmail --queued

. Laravel New Guagua 3, configure Redis and queue. 4, create Controller, PHP Artisan Make:controller Defaultcontroller The task of push100 a queue in the controller action. for ($i = 0; $i 5, create the command of the queue PHP Artisan Make:command SendEmail--queued Modify app/commands/sendemail.php to add a private variable. protected $msg;

In the past when we were doing database data testing, it is generally manual to add data, such as in the database query using SQL statements for data insertion. If the data is low, it's pretty easy, but if the data is too big, it's going to hurt, even if you copy the SQL statement. But all this, in Laravel, has become very easy. Examples of this article are tested for the latest version 5.3 of Laravel, please leave a comment in the comments section if there is a problem with the other version. C

Performance has always been a point of Laravel framework, so tuning the Laravel program is a must-learn skill.Next share some of the best practices for development, as well as tuning tips, and you are welcome to comment on other suggestions.Here is a simple list:Configuration information Cache artisan Config:cache route cache Artisan Route:cache class-Map load optimization

Performance has always been a point of laravel framework, so tuning Laravel program is a must-learn skill. Next, share some of the best practices of development, as well as tuning techniques, and we have other suggestions and comments to discuss. Performance has always been a point of laravel framework, so tuning Laravel program is a must-learn skill. Next, share some of the best practices of development, as well as tuning techniques, and we have other suggestions and comments to discuss. Her

frontend displays the created forms and comments; You can create a new comment and add it to our W/O page to refresh the list; You can delete a comment and remove it from the W/O page refresh list. In general, these are very simple concepts. We focus on the intricate relationships between Laravel and Angular. Laravel backendSet Laravel Continue to set up your Laravel. We will do some basic work to add, delete, modify, and query comments on Our backend: Create a database for Migration

When you run phpartisanserve, an error occurs suddenly. {code ...} An error occurs when you run php artisan serve. Warning: Invalid argument supplied for foreach() in D:\xampp\htdocs\baiduyun\vendor\composer\autoload_real.php on line 27Call Stack: 0.0012 120376 1. {main}() D:\xampp\htdocs\baiduyun\artisan:0 0.0016 122520 2. require('D:\xampp\htdocs\baiduyun\bootstrap\autoload.php') D:\x

Laravel4 basic tutorial: Views, namespaces, and routes. Laravel4 basic tutorial: View, namespace, and routing; laravel basic tutorial 1. view Separation and nesting run the command phpartisangenerate: viewadmin in the learnlaravel folder. laravel 4 basic tutorial: View, namespace, and routing 1. View Separation and nesting Run the following command in the learnlaravel folder: php artisan generate:view admin._layouts.default At this time, the generato

. Create Controller, PHP Artisan Make:controller Defaultcontroller Push100 a queue task in the Controller's action. for ($i = 0; $i 5. Create Queue command PHP Artisan Make:command SendEmail--queued Modify app/commands/sendemail.php to add a private variable. protected $msg; Modify the constructor at the same time. Public function __construct ($msg) { $this->msg = $msg;} Handle method of re-modification P

.*","Cartalyst/sentry": "2.1.4"}, Then, run the command in the project root directory. The Code is as follows: Composer update Wait a moment and it will prompt that the installation of cartalyst/sentry 2.1.4 is complete. Similarly, we will install a very powerful plug-in for development, way/generators, which is its name in the composer library. Add the following content to composer. json: The Code is as follows: "Require-dev ":{"Way/generators ":"~ 2.0"}, Put it under "require. Run comp

Phpartisan common method 1. generate a controller php artisan make:controller PhotoController 2. generate a controller using RESTFUL php artisan make:controller PhotoController --resource Route::resource('photo', 'PhotoController'); Why do we use the resource parameter? because we design the add, delete, modify, and query operations in the background, and these operations can be directly generated usi

a moment and it will prompt cartalyst/sentry 2.1.4 installation is complete. In the same vein, we will install a very powerful plugin for development, Way/generators, which is its name in the composer library. Added in Composer.json: Copy the Code code as follows:"Require-dev": {"Way/generators": "~2.0"}, Put it under "require". Run composer Update, and then add the configuration in./app/config/app.php: Copy the Code code as follows:' Way\generators\generatorsserviceprovider ' Once the installa

.*","Cartalyst/sentry": "2.1.4"}, Then, run the command in the project root directory. The code is as follows: Composer update Wait a moment and it will prompt that the installation of cartalyst/sentry 2.1.4 is complete. Similarly, we will install a very powerful plug-in for development, way/generators, which is its name in the composer Library. Add the following content to composer. json: The code is as follows: "Require-dev ":{"Way/generators ":"~ 2.0"}, Put it under "require. Run compos