A web developer’s life becomes much saner if he/she has easy access to all page header information. Firefox offers you PLUGIN-NAME that helps you inspect headers.
Here is something for the terminally inclined ones among you - wget. To view the http headers give the following command in gnome terminal :
wget -S --spider www.example.com
For any site - be it Drupal or non-Drupal, this is most probably due to simple mistakes made while entering attributes. Let us see one very common case where a simple mistake can cause glaring issues:
We usually see the css given something like this. We do not see any glaring issue in the class defined below.
#header {
background:url("images/headback.png")repeat-x;
width:1020px;
height:120px;
font-family:arial;
position:relative;
}
A white screen shows up while submitting a form in your Drupal Site?
There could be many possible causes for WSODs (White Screen of Death) in Drupal, such as PHP error reporting settings, memory exhaustion, etc. If the exact reason could be figured out, fixing becomes much easier.
For treating this specific WSOD issue on form submit, check for the following symptoms:
To ensure the security of confidential data in your Drupal site, testing has to be done to determine whether it protects its data and at the same time maintains its functionality. Web applications are always prone to unauthorized access to or modification of sensitive information. The testing done on the applications to remove such anomalies is called security testing.
The following are some of the test cases for assuring the security of a Drupal website
Authentication
Here are some basic SEO tests that you can perform on your Drupal/Non-Drupal website. Whenever a change is made in your site, run these tests for better results and for good SEO ranking.
All these test cases points out to possible problems in the Drupal/Non-Drupal website. The observations and results of these tests can then be passed on to the web developer for updations.
Drupal’s Devel module provides a wide range of functionalities that make a Drupal developer’s life much saner. Of these, the most useful one is the function dpm() which seems to have a twin clone - dsm().
For those who are unaware, dpm() is a highly useful function for neatly printing (pretty printing) arrays/objects etc in drupal. There is also a function dsm() in the devel module, which seems to do the same thing.
Then which is the correct one?
If we are using a custom font on our webpage and if that particular font is not installed on a user’s computer, then there is a good chance that our website would become unreadable. One of the best solutions to overcome this scenario would be to embed the said font file into the CSS in the webpage source. Checkout the most simple method of embedding fonts within a CSS.
The UC eCheck.Net module is a Drupal module that implements eCheck payments using Authorize.Net's eCheck.Net service and is a popular module for online shopping websites using Drupal for making payments along with Ubercart. The module was officially released for Drupal 6. We have managed to release the updated version of UC eCheck.Net to work with Drupal 7 and is available for download.
The Huawei USB modem that comes with new Reliance Netconnect+ mobile broadband connections might not work out of the box on an Ubuntu 11.10 box if the device id of the modem is 12d1:1505. Plug the modem into a usb port and run lsusb and check if the following line appears in the output - ID 12d1:1505 Huawei Technologies Co., Ltd - and if it does then read on to see how to get this modem working on your computer.
We had recently received the opportunity to provide video conferencing and live streaming services for the recently concluded fourth International FOSS Conference conducted by ICFOSS which was conducted from till 27-12-11 and concluded on 29-12-11. The technical support we offered was designed to be simple and can be replicated with minimum of effort to cover any other Free Software event. We have created an article on the technical aspects of setting up video streaming in Ubuntu and posted it on Ubuntu Manual. Check out the post on How to stream your webcam videos live online using Ubuntu. Feel free to share it with other FOSS enthusiasts who want to organise similar FOSS related events.