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13 May

Web Services key Concepts

The following presentation contains a description about web service techology and its related key components, and how they are interconnect.

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21 Mar

MySQL Password Expiration

Password expiration problem is a problem that could raise in mySql database. If you are running a drupal website which is connected to mysql database, you could face this error. Referring  to mysql reference manual document, the password expiration is 360 days.

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20 Feb

Banker's Algorithem

Banker's Algorithem, as defined in wikipedia, it's a resource allocation and deadlock avoidance algorithm developed by Edsger Dijkst

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10 Feb

This field has been disabled because of insufficient permissions

One of the common problems that face drupal develpers is that some registered users could not edit a given article or a given content type. With a message stating that “This field has been disabled because you do not have sufficient permissions to edit it”

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Orca Blog is a source of technical tips and tutorials, that are an extractions of our experts experience. It provides tutorials for several technology fields; programming, database, Mobile Application etc. Your comments are most welcomed.


Orca Enterprise Solutions is an ambitious software development company, local and offshore. Orca ES was founded on the principle of Highest Quality solutions, Lowest Cost and Complete Customer Satisfaction.



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