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Articles in category "tips", sorted by viewsX
Displaying 81-90 of 154 result(s).

URL component access functions

Created 6 years ago by Steve FriedlTips1 comment – viewed 13,089 times – ( +28 ) – version 1.1
Many applications wish to obtain parts of the URL for the current page (the hostname, the query string, etc.), and the CHttpRequest class wraps various $_SERVER variables to break down the URL into its constituent parts.
tags: URL, request

Using sub query for doubletts

Created 4 years ago by mbTips3 comments – viewed 12,915 times – ( +2 ) – version 1.1
find doubletts by db fields. in this example i will check doublets for 3 tabelfields (col1,col2,col3). so i will get a subquery with the condition, select and grouping of the tablefields. the having with COUNT() > 1 means: find all records more then one result.

Using CListView to display items next to each other (in columns)

Created 3 years ago by thyseusTips4 comments – viewed 12,792 times – ( +11 )
When using CListView to display multiple views next to each other, we can use the $index variable inside the viewFile to achieve this. As far as i know there is no extension or out-of-the-box functionality for this, so we need to apply a little hack:

Como trasponer una lista creada con CHtml::checkBoxList

Created 5 years ago by rdjteamTips3 comments – viewed 12,738 times – ( +2 ) – version 1.1
En ciertas ocasiones tenemos que lidiar con el tema de colocar una lista de checkboxes para hacer una seleccion especifica como es el caso de los dias de la semana para un calendario, para esta labor tenemos el comando CHtml::checkBoxList(), revisando un poco el funcionamiento de este temos los siguientes parametros:

Debuging variables in Yii2

Created 2 years ago by johonunuTips3 comments – viewed 12,513 times – ( +2 / -1 ) – version 2.0
This tutorial is explained following "basic" application structure.

How to catch and log MySQL deadlock errors

Created 5 years ago by sebTips1 comment – viewed 12,447 times – ( +4 ) – version 1.1
This method allows to log InnoDB monitor output when deadlock error occured. This way we will have much more useful data to find and fix deadlock.
tags: database

ChromePHP for Yii

Created 6 years ago by imeheszTips0 comments – viewed 12,317 times – ( +3 / -2 ) – version 1.1
ChromePHP is a console logging extension for Google Chrome.

An important tip when you are using CArrayDataProvider.

Created 4 years ago by sirin kTips0 comments – viewed 12,091 times – ( +8 / -1 ) – version 1.1
Yii ‘s CArrayDataProvider is very helpful to display model relation data's directly on it.But it is truely a confusing one because by default it will assume a table field named “id” as primary key for its pagination purpose and what if you dont have field named “id” as primary key on your table? so its truely confusing and if you tried to display without an “id” field on ur table you will get an error like “yourmodel.id is not defined”.

CGridView customized CCheckBoxColumn

Created 3 years ago by chandranTips2 comments – viewed 12,056 times – ( +5 ) – version 1.1
Hi friends,

Getting nulls from database instead of empty strings

Created 5 years ago by samdarkTips2 comments – viewed 11,938 times – ( +13 ) – version 1.1
To get null from database instead of empty strings you need to set up your DB connection as follows:
tags: database, null