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PHP Data Objects : Error Handling
In this tutorial, we will examine how PDO handles errors and introduces exceptions. Also, we will investigate the sources of errors and see how to counter them.
Troubleshooting WS-BPEL
The task of building a WS-BPEL application using asynchronous communication may be a challenge. What if your asynchronous application doesn't work as expected and you cannot understand what the problem is? We will try to simulate a problem and try to solve it in the tutorial.
Troubleshooting Zenoss
Zenoss is a complex software package wrapped in an accessible web interface, which enables ready access to
enterprise quality network and system monitors to the masses. Zenoss provides several default options to help us identify and diagnose problems, including reports, log files, and Zenoss commands. Let's review some basic Zenoss troubleshooting and support options to help us identify and get answers to our problems.
PHP, Database and Application Error Handling
This tutorial has reviewed the handling of the inevitable errors that go with software systems. Errors arising out of PHP code make up one important area, and database errors another. The special case of an invalid URI causing a "404 error" is also taken into consideration.
Troubleshooting Zen Cart
While running your Zen Cart shop, you may face some common problems which can be broadly categorized as PHP and configuration related problems and Zen Cart related problems. This tutorial highlight such problems ans their solutions.
Debugging Yahoo User Interface
The focus of this tutorial has been solely on the Logger control. This control can signifi cantly reduce your learning curve when working with the –debug.js versions of the different library components and provides a window through which the inner workings of each component can be examined in detail. Logger can easily be included within an application that you are creating yourself so that you can log messages from different parts of your code to check that everything is functioning correctly.
Handling Joomla! Errors
Security and graceful error handling is imperative to any good computer system. For systems like Joomla!, which are often available on the World Wide Web, poor security or incorrect error handling carries a high risk factor, and that risk is often higher when using third-party extensions. Handling errors is a common task; we will explore the different error levels, which we use to classify our errors, and ways in which we can modify the error levels and how they are handled.
Troubleshooting WordPress Installation
During installation, different problems may arise. If you are familiar with them, you may sort them quickly, without hunting around for solutions. This tutorial will provide you with some common problems and their solutions.
Troubleshooting Open CMS Installation
Not all installations go flawlessly. In this tutorial, we will look at the most common installation problems and see how to fix them.
Debugging and validating Joomla Templates
As you continue working and develop your own Joomla! templates, you will discover that life is much smoother if you debug and validate at each step of your template-development process. The full process will pretty much go like this: add some code; check to see if the page looks good in Firefox; check it in IE; make sure the page validates with W3C; if so, add next bit of code and repeat as necessary. We're going to cover the basic techniques of debugging and validation that you should be employing throughout your development process.
Troubleshooting Drupal
In this tutorial, we will take a look at two of the problems most likely to occur during the setup process of Drupal. We will also take a look at how they manifest themselves and how to solve them quickly. It should be noted that at this early stage, there are not many things that can go wrong as the installation routine is fairly well used.
Troubleshooting Rails Deployment
Rails deployment is complex, involving Subversion checkouts, web, database and application servers, multiple user accounts, and a variety of permissions. With so many variables in the mix, things can go wrong and often do. On top of that, Capistrano is a complex beast, doing a complex job, which makes things even worse. Consequently, you will run across deployment errors. To help you work out what's happening when these occur, here, in this tutorial, are some examples of the kinds of error you might have to face, and fixes for them.
Troubleshooting osCommerce
At some point in your career, you might experience problems with your code; no matter how diligently you try to work, errors do creep in. So common are errors (most often called bugs), in fact, that any big corporation nowadays has to implement comprehensive testing and debugging plans for months on end before it can consider new software to be fairly stable. Even then, as you have probably experienced, there are problems that slip under the radar and require patches or updates. Since bugs are a part of life, it is better to learn how to deal with them properly than to hope to avoid them completely. This tutorial will provide a few neat methods, as well as reiterate the best
process for dealing with bugs.
Troubleshooting PHP Nuke Installation
Here we'll look at some of the more common problems that users encounter with their PHP-Nuke installations.
Troubleshooting OpenVPN
In this tutorial, we will learn how to use tools to debug and monitor our VPN tunnels. We will also learn how to scan and test the connectivity of a (VPN) server with standard networking tools.
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