I’ve been playing around with the Code Igniter Framework for PHP over the last couple of weeks, primarily because Net Tuts has a series of 6 high-quality screencasts showing off some basic functionality of the framework. Essentially, Code Igniter provides some additional functionality and provides a standardized means of creating pages and methods using the …
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How to Post to Facebook's "Stream" using Facebook Connect and XFBML
For my day job, I’ve been developing a facebook application to coincide with its annual SpayDay event. Developing the application has caused several headaches, but once I realized that the majority of the facebook integration wouldn’t happen from the Facebook Developer Toolkit (an ASP.NET Facebook Development Framework), and instead from JavaScript-based XFBML, life got a …
Fast and Efficient C# and Visual Basic String Concatenation
If you do any sort of web development work on the .NET platform, you are going to find yourself concatenating (connecting) strings together on a very regular basis. There are two ways to do this. The first is with a traditional string concatenation, which would look something like this: string MyString = String.Empty; MyString = …
ASP.NET Performance Tip: Remove Unnecessary Library References
Over the last few days, I’ve been scouring the web for techniques and strategies to optimize ASP.NET code so that it runs faster and more efficient, resulting in quicker load times. A lot of what I found was pretty standard advice, disable viewstate, use the StringBuilder for concatenation, disable tracing and use AJAX. One piece …
How to Display Your Twitter Feed using ASP.NET
UPDATE 3/23/2010 – Ricky from Twitterizer commented below noting that basic authentication will soon go away via Twitter and OAUTH will be required. Note that the code below will only work for a few months. We will post an updated code-example soon. As I write this article, It’s about 75 degrees and Sunny outside. When …
How to Implement an ASP.NET Color Picker
One of the components of the 360 Web Content Management System (website in progress) that I wanted to develop was an events calendar that allowed you to post events into color-coded categories. You can see a demo of it here. At first, I had it so that users would manually enter in a 6-character HTML …
How to Validate Email Addresses in C#
I was recently doing doing support for a client that had a newsletter system. The previous employee had neglected to do much in the form of format validation for email addresses from both a user-input standpoint and system-integrity standpoint. Since there were several email addresses in the database that didn’t meet the basic conventions of …
Create a Sortable HTML Table with JQuery and TableSorter
One of the more useful features of ASP.NET’s GridView control is that users can sort the information in the table they are seeing by any number of fields. To allow this sorting to happen, ASP.NET sends a post-back to the server and the web server re-renders the page with the GridView re-sorted in the order …
How to Validate Forms with JQuery
Just about everyone who’s ever made a web-application knows that you generally can’t trust your users to enter data correctly into a form. Some of them will ignore important fields, others will type in data that couldn’t possibly be right. Some will try to choose two character passwords and others will enter in a long …
Hash Passwords in C# and Visual Basic Using SHA-512
We recently covered an easy way to hash passwords using SHA-1 in .NET using either Visual Basic or C#. In most cases, SHA-1 encryption is “secure enough”, but there are some mathematical weaknesses. Microsoft’s .NET platform (specifically the System.Security class) allows you to encrypt passwords with a number of differnet algorithms without having to know the …