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"I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world." 
-Albert Einstein
Nov
24
2014

Migrate commands using Drush

Drush commands are provided for managing the migration process. Individual migrations can be imported and then rolled back. Running processes can be cleanly interrupted, individual source records can be migrated on their own, and performance can be instrumented.
 
drush help --filter=migrate provides a complete list of relevant commands
 
Oct
21
2014

Cannot allocate memory: fork: Unable to fork new process

It was a problem with the memory settings on the server. Surprisingly it was too high (800 MB) so I changed this in the Drupal settings.php to 128 MB and now everything is fine.
 
Details how to change:
Sep
10
2014

Drupal 7, how to display the SQL query in view?

When working in the Views module, you may want to preview the SQL that is generated by the view. This is for the code savvy or the ones looking to be and would like to see the SQL generated for either debugging or further development of their views. Sometimes seeing the code can help understand how the view works in case it needs further tweaking.

Aug
18
2014

How do I create a multisite with shared users and nodes?

You can change the settings for the access to the database that are contained in the settings.php file used by your Drupal site to something similar to the following one (replace the values between brackets with the correct values for your site):

Jul
18
2014

Steps to Install Drush on Vagrant Box

Please follow the below steps to install drush on your Vagrant Box
 
  1. Login into VM using SSH client.
  2. Enter "su" in command prompt.It will ask password enter password.
  3. Enter "pear channel-discover pear.drush.org" on command prompt. It will display success.
  4. Enter "pear install drush/drush". This will install drush.
Jul
14
2014

Apache Solr Features

Solr is a standalone enterprise search server with a REST-like API. You put documents in it (called "indexing") via XML, JSON, CSV or binary over HTTP. You query it via HTTP GET and receive XML, JSON, CSV or binary results.
  • Advanced Full-Text Search Capabilities
  • Optimized for High Volume Web Traffic
Jun
24
2014

CPU bound and I/O bound?

CPU Bound means the rate at which process progresses is limited by the speed of the CPU. A task that performs calculations on a small set of numbers, for example multiplying small matrices, is likely to be CPU bound.

May
27
2014

The Heartbleed Bug

The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. This weakness allows stealing the information protected, under normal conditions, by the SSL/TLS encryption used to secure the Internet.

May
15
2014

Backbone JS - Model

Models are the heart of any Javascript application, containing the interactive data as well as a large part of the logic surrounding it: conversions, validations, computed properties, and access control. You extend Backbone.Model with your specific methods, and Model provides a basic set of functionality for managing changes.

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