“Pixel” vs “em” in CSS

A pixel is a dot on your computer screen. Specifying font sizes in pixels is great when you want the user to see exactly on their screen what you designed on yours, though it assumes your screens are of similar size. What if the user is using a screen that’s a very different size from … Read more

How to handle negative TimeSpan value in C#?

I had problems with casting TimeSpan object to DateTime. Error occured: FormatException (“the input string was not in proper format”).Code I tried:DateTime.Parse(record.Field(“Hours”)); // raised errorHere record is a DataRow object and I’m using Linq to Objects to parse the Date.//Field actual value :”{-06:25:00}”How did I overcome?I used .Duration() method of TimeSpan object.DateTime.Parse(record.Field(“Hours”).Duration());¬†HTH ūüôā

Template Tag in HTML5

W3C has introduced a new “template”¬†tag that provides a mechanism to define HTML markup fragments as prototypes. In practice, a template can be used to insert fragments of HTML code into your page, for example: <template¬†id=”rowTemplate”> <tr> <td¬†class=”record”></td> <td></td> <td></td> </tr> </template> FeaturesThe following are the features of the template tag: The template code can … Read more

What is API and How to use it?

what is an api

Have you ever used a library in C#? Yes, that’s an API. An Application Programming Interface is something that let’s you interact with something or with an interface. They are just a set of functions you can call. They have their documentation on¬†what they do,¬†how they behave, what input(s) they need to perform as intended. … Read more

Server Application Unavailable in IIS 5.1


I encountered this error while deploying an ASP.NET website to IIS 5.1 on Windows XP SP2. It’s really been a head hitting issue to track it down until I got something interesting after a lot of Googling exercise that I would love to share with you. But before that please allow me to explain what … Read more

What is toString(“X2”)?

“X2” here denotes the hexadecimal format specifier.¬†Standard numeric format strings are used to format common numeric types. A standard format string takes the form¬†Axx¬†where¬†A¬†is a single alphabetic character called the format specifier, and¬†xx¬†is an optional integer called the precision specifier. The format specifier must be one of the built-in format characters. The precision specifier ranges … Read more