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Benefits of binary serialization in C#

Manipulationg with object instances using binary serialization in C#
 
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By default object instances in .NET are never "trully" clonned. Instead .NET is doing shallow copy of instances which means if you have one variable which is object instance and you assign that variable to other variable, both of them will point the same instance of that object. Basically you created two pointers of the same object instance. ...read more

Scraping website content using HtmlAgilityPack

Build you own website crawsler for extracting data from websites
 
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HTML is a markup language same as XML, but still there are differences which make dealing with them a bit different. Basically HTML is a strict structure in terms of node sets and attribute sets, but in general more documents online are not exactly following the proper structure since browsers usually manage to deal with rendering out the document in UI. However, this makes it more difficult to read them in case you want to from website itself as you cannot apply all XML rules since structure is not strictly followed. ...read more

Microsoft IIS and ASP.NET MVC caching techniques

Ways to cache data and response to improve page performance
 
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Of course, the best way to make you web application work fluent is to write the code properly and design the architecture of application to meet requirements and certain load depending of the type of application. But even though architecture is good, you can always improve performance by reducing processing in application code itself. Caching is the best way to boost web application performance and reduce load of both application (IIS) and data servers (SQL Server) ...read more

Enabling CORS only for specific domains in ASP.NET

Enable cross origin resquests only for certain domains in ASP.NET
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Cross-origin resource sharing (CORS) means that page from other domain can make request to some resource which is on other domain. For example, if you try to invoke some WEB API method which is running on different domain you will get exception in the script. By default CORS are disabled in ASP.NET bot you can easily enable them just by modifying web.config for IIS7 and newer versions pf IIS. ...read more

Enabling GZip and Deflate compression from ASP.NET code

Compress your response on hosts where IIS compression is not supported
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HTTP compression is a simple way to improve site performance and decrease bandwidth, with no configuration required on the client side. If you test your website through Google PageSpeed Insights, HTTP compression will be one of the points recommended to be used to increase website performance. Luckily for .NET developers IIS supports it out of the box...read more

Easier manipulation with IEnumerable objects

Useful extension methods for working with lists, arrays, dictionaries...
 
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Working with any collection which implements IEnumerable is pretty easy in C#, plus if you are using LINQ you can easily manipulate with collection data. Recently I was doing some filtering with some in-memory collections and I had to check whether one collection contains same elements as some other collection with elements of the same type. At first sight this looks pretty simple, but first problem is that collection elements might not be in the same order in both collection. ...read more

Managed Extensibility Framework (MEF) quick start

Introducing MEF with simple code example application
 
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Managed Extensibility Framework or MEF is a library introduced in .NET Framework 4 which allows developers to easily create plugin based applications. It lives in System.ComponentModel.Composition namespace and before start working with MEF reference to this assembly needs to be added in a project.It is basically an implementation of IoC (Inversion of Control) pattern with few core functionalities such as assembly loading...read more

Random element of IEnumerable/Array

Random element extension method for IEnumerable/Array
 
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I don't work with random values very often but recently I had to write some small function that returns random value from an array. It sounded like a good idea to write it as an extension method to make it reusable for other projects. ...read more

ConcurrentDictionary vs Hashtable.Synchronized

Comparison of collections in multithread environment
 
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Basically all Dictionary collections in .NET internally implement Hashtable wrapped, so in terms of mechanism they are pretty much the same. The difference is that Dictionary exposes strong types while Hashtable uses object-object keyvalue pair which is much harder to work with because you need to know what is the actual type of the object stored in a key or value. Often casting will probably be required...read more

Convert string to any type that implements TryParse method

String extension method for converting to other value types
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In many cases serialized data is returned in a form of string although the actual type of data is different. The problem begings when you want to use data in it's original type becaus direct cast is not allowed in C# as it is in VB.net. This is why you have to use TryParse and safely parse the value to it's original type...read more

JavaScript

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SQL/T-SQL

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Umbraco CMS

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PowerShell

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