How does tracking in email work?
March 2nd, 2010
Had a great question from a customer this morning, about how tracking in emails work. I did some digging around and found some pretty interesting stuff that even I didn't know about.
In emails an invisible graphic is included at the bottom of HTML emails which are known as web beacons. Each time someone opens the unique graphic it returns the information back to the server monitoring your email campaigns and… Continue reading
Adding a watermark to original images on the fly
March 1st, 2010
Found this great piece of code that will allow you to prevent users or atleast stop them a little... from downloading your images. Using the cfimage tag!
Simply use cfimage to call you're first two images, then using ImagePaste() to mash them together, and write to the browser calling '#image#'.
See how you go.
<cfimage source=”img_2566.jpg” name=”image”>
<cfimage source=”watermark.png” name=”watermark”>
<cfset ImagePaste(image, watermark… Continue reading
How to charge clients?
February 28th, 2010
Trying to work out how much you're worth charging for web development work? I this question come up on a forum - here's my comments on the subject:
How many pages? If it's 3-5 pages, no worries there's no point charging this. If they want 30-40 pages and expect you to do it all - charge them! Now days CMS's are more common, so the client will do the pages themselves… Continue reading
Query of Queries
February 28th, 2010
Query of Queries (QoQ) is great little concept, for a while I never knew when I would ever use this up until a few months ago. Web services generally return strings, but more commonly xml. Then you have some minority that return query results. This is where QoQs work perfect, check out the code snippet below:
// Let's say qryResults has 4 columns - (Name, Address, Phone, Email)
SELECT Name, Address, Phone… Continue reading
I/O Error: Cannot run program “javac”: CreateProcess error=2
February 24th, 2010
Ever got this error while building a BB JDE (BlackBerry Java Development Environment) Project?
Building
C:\Program Files\Research In Motion\BlackBerry JDE 4.3.0\bin\rapc.exe -quiet import="..\..\..\..\..\Program Files\Research In Motion\BlackBerry JDE 4.3.0\lib\net_rim_api.jar" codename= .rapc warnkey=0x52424200;0x52525400;0x52435200 C:\\.java
I/O Error: Cannot run program "javac": CreateProcess error=2, The system cannot find the file specified
Error while building project
First check that you have JDK properly installed on your computer. Go to Control Panel -> Add/Remove Programs.
If all that's sweet -… Continue reading
Creating a Blackberry Launcher
February 20th, 2010
I found this great article on how to create your own blackberry launcher to open a web page. Check out this article: http://crackberry.com/how-create-blackberry-launcher…
Cfwheels
February 11th, 2010
I've been checking out this new framework I might use for future cf projects while the fate of fusebox is still undecided. Regardless it seems like the cf version of php's code ignitor…
CHKDSK on Startup
January 31st, 2010
One major problem I've been having is on my 2nd PC - where each time I shut down/restart it always runs a CHKDSK! So annoying!
I found this great article that resolves this issue using command prompt to modify registry settings on start up.
Disable or Stop Auto CHKDSK During Windows Startup
Full transaction log on MSSQL
January 17th, 2010
Had a big problem the other week when one of our databases was throwing heaps of exception email errors on scheduled tasks. After debugging for a few hours I worked out that the transaction log was completely full!
Check out this useful article; http://msdn.microsoft.com/en-us/library/ms175495.aspx
A useful tool is running the following command; backup log with no_log
It's also suggested you do a Maintenance Plan Wizard - http://msdn.microsoft.com/en-us/library/ms189036.aspx
I'll post more in this… Continue reading
Beginner to SVN
January 11th, 2010
I've been looking into SVN to replace our existing source control. It's bloody fantastic here's a link to the SVN Book - http://svnbook.red-bean.com…