Javascript – Monitoring changes for object attributes
Let me disclaim straight away, this blog post is based on blatant copy of Eli Grey's object.watch gist on GitHub. The small script proved so useful to me in a tight situation (I think last to last week) that with full acknowledgement of this being his work, I wanted...
Javascript – Loading social plugins dynamically on the page after the page has loaded
The last couple of days saw page load times for my website increase significantly. As I checked my server logs for hints of potential issues, nothing seemed abnormal. The traffic was a notch higher but less than a fraction of server capacity, the server resource usage...
iTunes – Performing iTunes store search in javascript
Okay this is a blog post on specific request. My earlier post on Generating Signed Urls for Amazon's Product Advertising in PHP got a comment today requesting help in regards to executing an iTunes Store search via iTunes API. Now I really wonder whether the user...
ASP.NET – System.InvalidOperationException: Hashtable insert failed. Load factor too high error
One of my most important ASP.NET application in production last week saw a very confusing error. The client reported the following error when they came back to use the application on a fine Thursday morning: Hashtable insert failed. Load factor too high....
Javascript – Implementing Mod 10 validation (LUHN formula) for Credit Card numbers
If you have ever developed an application that accepts or processes Credit Card numbers, then LUHN's formula for Mod 10 validation of primary account numbers would come naturally to you. If you want to know the logic behind Mod 10 validation for Credit Card numbers,...
ExtJs and Ext.Net – Creating Ext.Net server components for custom ExtJs javascript components
I think all of us would agree that Ext.Net provides too good (and a bit complex) ExtJs and ASP.NET integration. It exposes almost all ExtJs toolkit classes server-side in ASP.NET and many of the popular extensions too. In addition, it provides own custom components...
IE 9 Developer Tools – Inspecting elements might need an F5 key press
This has happened to me enough times now that I would think of publishing the issue and its resolution in a blog post. And the issue relates to inspecting elements on a web-page using Internat Explorer 9's Developer Tools.Every now and then when I need to debug a Html...
Sql Server – The log for database ‘CRC1’ is not available. Check the event log for related error messages.
This week 2-3 days back, I got a really strange Sql Server error when browsing to one of my ASP.NET applications in the brower on my development server. As soon as I opened the app, the following error greeted me: M8ZWJBN5J8RV The log for database 'CRC1' is...
Javascript – Some quick javascript utility methods for XSS filtering
I often find myself needing to "eval" some content in javascript, where the content happens to be the name of a callback method (sometimes from another iframe on the same web page, e.g. parent.Portal.onWallRendered). You see I create a lot of frameworks that can be...
ExtJs – An ExtJs Ticker Component supporting adding items dynamically
Tickers used to be an essential part of any website during the earlier days of web, but are no longer considered that much useful today, right? Well I atleast thought so until a few days back, when I received a feature request for a scrolling ticker in a corporate...
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