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We will leverage Yii2-excelview widget. So, first of all is install Yii2-excelview:

This tutorial is explained following "basic" application structure.

This is to show you how to use Yii2 flash messages with Kartik Growl (bootstrap notify wrapper).

The problem was that all my web applications ran normally on localhost, but on server the Greek characters (or any other no-english characters) displayed with problems.

Using a version control system, like Git, is nice. However, when building an extension from scratch and loading it via Composer, it adds a lot of pain in the butt steps. You have to commit your changes, update composer to pull them over, then notice there is an error, fix, commit, update. repeat.. I don't want all my baby steps under Git. Sure, I could edit my commit history, but c'mon. Just let m...

Working with scenarios, with models that can receive many modifications in their rules or structures as development evolves, can create disruptions in the rescue process.

>One-page Web Application built with AngularJS,TypeScript,and Yii framework.

The Problem: Yii2 utilizes by default UserIdentity configured in config/web.php for connection, this object appy one table to authentication ('identityClass' => 'app\painel\models\User'). How to authentication from diferent tables? Solution: Create instances in web.php to uses UserIdentify. eg:

Uploading files in a webapp can be extremely tricky and sometimes the quickest way to do it is to store the file directly in the webserver or into a DNS (like Amazon S3) and then to save the link and the metadata inside a table in the DB. The thing is that you'll have to deal with file permissions, server storage, file management and so on (which is perfectly fine, by the way).

Follow @robregonm

Guys,

If you are coming over from Yii 1.x to Yii 2, and already read this guide, you may note that namespaces are very important in Yii 2 to identify classes. But do you know the list of seeded path aliases that come shipped with a basic or advanced app? Here is my attempt to list them.

// In Yii 1.x $form = $this->beginWidget('CActiveForm', [

'id' => 'order-search-form',
'method' => 'get',

]); echo $form->textInput($searchModel, 'id'); echo CHtml::submitButton('Find', ['class' => 'btn btn-primary']); $this->endWidget(); `

This is for folks who are using \kartik\widgets\FileInput to upload files from your client. How do you display an image for update after you have uploaded it to the server using the widget?

Imagine adds most common image functions and also acts as a wrapper to Imagine image manipulation library.

Yii2 - Converting from Bootstrap3 to Bootstrap4

This How-To is useful if you are planning to move the Yii vendor directory outside the default location.

1. Create Extension in yii2.

This is how i do before query on Yii 2.0

There are numerous usability problems: