.NET

In situations where distance between two geo coordinates needs to be found most of the people are using mathematical function to do this. However there is a major disadvantage in using this method...read more

When you are developing a back-end web application, you might want to restrict access only to people who are working in the company which is maintaining the content or any other operations in the back-end and allowing public access only for the public, usually read-only content. This means you still have to leave some parts of your application public and for some you need to restrict access for the people outside of a network (certain IP range). ...read more

Maybe you did not know but asp.net applications have limited number of threads available to process requests. This value is set in your machine.config in configuration/system.web/processModel node. This file is located at ...read more

Database table changes are usually not displayed right away in an application, escecially if it is a web application. With HTML5 and Web API that is about to change...read more

Uploading files with form submit on web page, especially large file requires user to wait for browser until file is uploaded. This does not produce very nice user experience as user needs to wait without any notification for file to be uploaded...read more

Ajax is really cool. You can pull your data without refreshing the whole page, but increasing user experience and downsizing bandwidth for website. If you have some live data which is changing really often, the best way to display it on website is to use pulling mechanism...read more

Imagine the following scenario. You are building a social network like website and you need to create your own API to enable other developers to integrate with your web location really easy. One of the things that most popular social networks now provide in the API is providing profile image...read more

Images are part of pretty much any application especially web. Not so rarely they need to be protected or exposed from a different sources which cannot be accessed directly with just typing URL to it's actual location. It all comes down to writing image bytes to an output stream...read more

Web API restful services are very flexible and they return different data format (JSON or XML) depending on accept type header value from your browser (or other client). However this is not always so precise so sometime you have to force return type...read more

From time to time you get to the point where you have to generate some HTML in C# code. Of course, the easier way is to concatenate string and return that as a result of a method. This is not the most elegant solution and it is only fine for some short string. ...read more

System.Linq.Enumerable is a core of LINQ magic. Most of the functions we use in a daily basis for anything we write with sequence, but what is really interesting is that methods from this class can be used for some tricky operations on strings and numbers and make them one line instead of loops. ...read more

One of the coolest things of WebApi is that adapts to accept type sent in request header. This header value depends on a client. Based on this WebApi will serve different formats of data (XML/JSON). ...read more

I recently started working on an Umbraco package for GoogleMap manipulation. Since initial version of package is planned only for Umbraco 6 I decided to use WebuserControl for creating a package custom datatype. It means that for one document type I might have multiple control instances on the page. ...read more

Microsoft made is easy to detect whether request to your web application is coming from mobile device or not by adding a property to Request class. Usage of this is Request.Browser.IsMobileDevice. This works pretty fine for most of mobile devices, but this property is based on list of mobile browsers which is configured in .NET framework itself. ...read more

This is a class I used few years back for some image manipulation in C#. Over the years, I was adding more methods and code snippets I needed and some stuff I found on Internet, so it grow to a useful collection of Bitmap manipulation methods...read more