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When creating an MVC application with Entity Framework, it is possible to set default values for most properties in a model using the DefaultValue attribute. However, no much flexibility is offered for a DateTime property. This article presents a custom validation attribute for DateTime types that accepts different formats for defining the default value of the property.
How I built a social sharing component for my own web site and added a secured geo-located audit trail. Step by step, let’s analyse technologies and source code for developing this component.
How I built a social sharing component for my own web site and added a secured geo-located audit trail. Step by step, let’s analyse technologies and source code for developing this component.
Different formats and standards exist for describing geographical coordinates in GIS systems and applications. This article explains how to convert between the most used formats, presenting a working library written in C#.
Can you generate two identical GUIDs? Would the world end if two GUIDs collide? How long does it take to generate a duplicate GUID and would we be still here when the result is found?
Have you ever desired to have in your code a way to order a sequence of strings in the same way as Windows does for files whose name contains a mix of letters and numbers? Natural string sorting is not natively supported in .NET but can be easily implemented by specialising a string comparer and adding a few extensions to the enumerable string collection.
There is an urban myth in the programmers’ community that the so called “Yoda’s syntax” performs better when checking an object for nullity. Let's demystify it...