Differences of Isolation levels

Here I am trying to explain the difference of isolation levels in plain English together with the scenarios in real situation which we can relate with those concepts .

There are two main concepts that are used to define the differences of isolation levels:

Read the rest of this entry »

Create an ajax control in drupal 7

We know that in drupal you can attach #ajax property to an existing ajax ready control to have ajax functionality, such controls like ‘button’,’textarea’,’select’,’radio’ etc, to find the whole list  see system_element_info() in which all the controls that #process function includes ‘ajax_process_form’ are ajax read controls.

The question comes when you want an ajx control which is not in the system_element_info(), in my case I want to use bootstrap dropdownbutton, which renders as

Read the rest of this entry »

Tags:

OpenLayers Primer

There are many benefits using OpenLayers for map functionalities compared with using map apis directly. here is a list of lessons I learned when I started out to use OpenLayers, they are basic  important concepts therefor critical to the correct use of OpenLayers, another reason they are here is I found them confusing too.

Read the rest of this entry »

Tags:

Run Nant script on TFS Build server

I believe that all the tasks that nant does can be done by TFS build server as well, but TFS build tasks can only be performed on a TFS server, due to this reason we might end up defining the automated build process in two formats: TFS build on server, nant in a local development environment.

So question will be how about running nant script on TFS build server?

Read the rest of this entry »

Tags: ,

Multi values field development drupal

Field api is a very useful feature in drupal in terms of extension of entity, reuse of code and modularization of software development.

To me the Field is the way to establish the references between two data block, the entity and the Field, as in drupal Field can have columns, I have yet to see how to establish references between entities without any use of none core modules, using Field can allow us to achieve similar results with just built in drupal core modules.
Read the rest of this entry »

Tags:

Page 3 of 2112345...1020...Last »