Articles in category "how-tos", sorted by date (updated)X
Displaying 21-30 of 354 result(s).

How to implement form events

Updated 10 months ago by deacsHow-tos4 comments – viewed 13,976 times – ( +6 ) – version 2.0
You have that, when a product is on development they can change its API anytime. This change is quite important though, its related on how to set the events of your form, for example, the useful beforeSubmit.
tags: yii2, forms, how to

MySQL migration environment

Updated 11 months ago by Fabrizio CaldarelliHow-tos0 comments – viewed 4,896 times – version 2.0
It can happen that you work in development environment and you make changes to database tables structures, adding tables, or changing fields.

How to use a Widget as an Action Provider

Updated 11 months ago by stinkytofuHow-tos15 comments – viewed 40,882 times – ( +27 ) – version 1.1
As written on the API docs: An Action Provider Widget is a widget that has declared several actions by using its 'public static function actions()'. After, a Controller can easily import all its declared actions on its 'public function actions()'.
tags: Widgets, CAction

Cron Jobs in Yii

Updated 11 months ago by Roman SolomatinHow-tos1 comment – viewed 20,716 times – ( +4 ) – version 1.1
I've gotten Yii running cron jobs, and wanted to explain briefly how I did it.

How to use nested DB transactions (MySQL 5+, PostgreSQL)

Updated about a year ago by BoazHow-tos6 comments – viewed 41,270 times – ( +47 ) – version 1.1
Original source code and idea are from: PHP, PDO & Nested Transactions.

Simple Google Maps object for use with ajax maps

Updated about a year ago by Chris BackhouseHow-tos1 comment – viewed 5,661 times – ( +1 ) – version 2.0
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.
tags: googlemap, maps

Execute migration on server/linux using shell

Updated about a year ago by dariooHow-tos2 comments – viewed 4,718 times – version 2.0
It's easy to execute migration locally on XAMPP using cmd, but on server where you script is it's little bit harder.

How to register scripts and css

Updated about a year ago by oligalmaHow-tos0 comments – viewed 18,296 times – version 1.1
First of all, we need to download the jQuery library and store it in the js folder. In this example we are using the version 2.1.3.

How to validate the uniqueness of multiple columns

Updated about a year ago by oligalmaHow-tos1 comment – viewed 3,665 times – ( +1 ) – version 1.1
I am going to show you an effective way to validate the uniqueness of multiple columns.

Simple revealing and hiding the password in the password field

Updated about a year ago by BizleyHow-tos2 comments – viewed 5,054 times – ( +2 ) – version 2.0
There are numerous usability problems: