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It's easy to execute migration locally on XAMPP using cmd, but on server where you script is it's little bit harder.

The Google mapping extension by Dos Amigos (link) is really great but there are difficulties with Google maps when you want to manipulate your map object with Ajax.

As for complexity SQL query we have two solutions as below, I will discuss #2 in this article.

I've read many comments that it's not possible to install Yii 2 advanced on a shared hosting environment, as it has two webroots. This is partially true.

To use jui auto complete widget first add

It can happen that you work in development environment and you make changes to database tables structures, adding tables, or changing fields.

namespace app\components;

It's well known that there are Lazy Loading approach and Eager Loading approach in the relational query. But it's very important to know how the Eager Loading approach works in Yii 2. It has changed drastically from that of Yii 1.1, and there are common misunderstandings about it in the community.

common\components\LanguageSelector.php

<?php
namespace common\components;

Assume we have many categories and many posts.

Hello,
If you want to give extra attention for some specific delete actions and you don't want to override whole yii.confirm JS method here is what you can do:
(I've only put the ActionColumn part of the GridView here to just give you the idea)

https://github.com/marciocamello/yii2-app-advanced-sh

A Yii Framework 2 component for using assets in different environments (Local/CDNs)

If you're using a lot of bower and npm assets with Yii 2.0 you might encounter long running composer update tasks.

I just chased my tail around for a bit today. I got lost with setting the status of all inputs, and banging my head on why the "validate" function just wasn't working.

The CRUD generator of Gii has done a wonderful job for you, and you already have a list of items in the "index" page and a detailed view of a specified item in the "view" page.

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...

It is convenient to use the same identification attribute, say info, in all of the active records of your application. It should be a virtual read-only attribute defined by a getter method, its label being the model name.

Welcome, all of you !

Bootstrap tabs gets unselected/inactive when user navigates to other page and comes back. How to make bootstrap tabs remain active/selected after navigating to different web pages.