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Tech Tips

Revert to XP-Style Alt-Tab ('Coolswitch') behavior in Windows 7 and Windows Vista

If you are a longtime Windows user (as I am, I've been using Windows since version 1.03 in 1987), you've probably developed some deeply-ingrained habits.

On of my most oft-used techniques from the old days: Switching between desktop windows using the Alt+Tab key combination, A.K.A. 'Coolswitch'. Windows 7 and Windows Vista have altered this feature, and not for the better, in my opinion.

Drupal for E-Commerce

Using Drupal for E-Commerce

So, you're using Drupal to run your site. You'd like to sell products to site visitors. What are your options? This page provides an overview of some of the available solutions.

Drupal and Paypal

You can 'roll-your-own' integration, or use the LM_Paypal module.

The LM_Paypal module is not intended to be a full e-commerce solution, but it does provide some types of built-in PayPal payment notifications, and when payment is completed, LM_Paypal module receives and records the notification. It allows for very simple automated donations, subscriptions, and paid advertisements. You should evaluate this module to see if it meets your needs. There are some significant limitations, so be sure to read the issues queue to ensure that the module does what you want it to do.

Drupal and E-Junkie

E-Junkie is a lightweight online shopping cart and fulfillment system. This blurb, taken from their home page, describes the system.

E-junkie provides shopping cart and buy now buttons to let you sell downloads and tangible goods on your website, eBay, MySpace, Google Base, CraigsList and other websites using PayPal Standard, PayPal Pro, Google Checkout, Authorize.Net, TrialPay, ClickBank and 2CheckOut.

For merchants selling downloads, we automate and secure the digital delivery of files and codes. If you are selling tangible goods, we automate the shipping calculation and inventory management. Our shopping cart has a built in sales tax, VAT, packaging and shipping cost calculator.

E-Junkie Drupal Integration

That sounds great, but how do I integrate E-Junkie with Drupal? At present, I have not found any third-party Drupal modules offering E-Junkie and Drupal integration.

There are integration examples and how-to posts floating around on the web, however:

Drupal and Ubercart

Ubercart is an extensible e-commerce system that provides native product and shopping cart management within Drupal. Configuration can be somewhat complicated, but it does offer a complete solution with numerous add-in modules. You should plan for significant configuration, customization, and theming effort if the standard appearance and features are not close to what you want.

Extension modules of varying quality are available, and these may help you implement the features you want–be sure to set up a test site and verify all functionality before "going live".

Web server performance tuning and benchmarking - grab bag

I've been working on web site performance optimizations lately (though you might not believe it when visiting this site...)

I've come across a few useful performance-related resources that I've been using lately:

Webmaster, HTML, CSS tips

A collection of Webmaster tips

Microsoft Windows Tips

Here's a collection of Microsoft Windows-specific tech tips.

7 things make Windows 7 (and other versions) easier

These are some of my favorite Windows system tweaks and usage tips. I usually customize every new computer or Microsoft Windows installation using some or all of the items found here.

In most cases, I won't tell you how to make each tweak–that's been done ad nauseum–so I'll share my suggestions and provide links to instructions on how to make the changes.

This article is presented in multi-part 'book' form; please see the links below.

Windows Errors - find and fix them

Windows 7, XP and Windows Vista Troubleshooting

Find and fix DLL errors in Windows 7, Vista and XP

When you encounter a Dynamic-Link Library error (DLL error) or related Windows 7, XP or Windows Vista error, what can you do about it? How can you track down the source of the problem and, one hopes, fix the problem?

With a little bit of Windows troubleshooting skills one can usually find the problem and fix it. If a Windows error of this type is troubling you, it can be fixed in most cases with some effort.

FTC disclosure guidelines for website publishing

I just stumbled on to this PDF file that provides examples of misleading advertising or claims and how to avoid them when building a web site or page.

Update 10/10/2009: The FTC now requires disclosure if you've received gifts or other consideration from an advertiser whose products or services you write about.

More info:

Living without antivirus software

Ok, I'll admit it. I've been living dangerously for the last several years.

To be blunt: I refuse to install any kind of antivirus or personal firewall software on most of my computers. This includes a Windows XP Home system that was used by my children as a web surfing / email / game system. I've suffered zero infections during this time. (The only time I ever suffered a malware infection was before, when I did rely on Norton Antivirus to protect the kids' computer.)

Why do I refuse to use these massively popular widely-used products? Simple. I am convinced that in my case, they may cause more harm than good, and that they foster a false sense of security - leading some users to engage in riskier behavior. Further, antivirus software is almost always behind the curve - by definition, the antivirus people are playing catch-up with the malware writers. It's a good living for them, but I choose not to contribute to it.

As a software developer, I cannot afford any downtime due to buggy software, and yes - antivirus software has bugs. Not long ago, one major antivirus package ran amok, causing widespread damage by deleting harmless user data and programs.

Slick JavaScript-based browser-specific CSS helper

Here's a nifty tool for your bag of tricks: JavaScript snippet that tags HTML elements with browser- and OS-specific attributes so you can target browser- and OS-specific 'peculiarities' without resorting to the usual bizarro selector tricks or Internet Explorer-specific conditional comments.

Using this script, you can target browser-specific elements via simple CSS selectors as follows:

.ie6 #targetElement { border: solid 1px #eee; }

OS Codes

win - Microsoft Windows

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