Tagged articles - C#

Found 172 articles tagged with C#

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. In multithread code environment locking is considered by default when accessing any shared resource...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
Creating Visual Studio ProjectTemplate VSIX package
How to create VSIX package for ProjectTemplate
 
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If you often have projects which setup is pretty much the same you might consider creating ProjectTemplate for Visual Studio.It speeds up development for the project setup, adding references, default configuration .config, content files... Before you start make sure that you have installed Microsoft Visual Studio 2013 SDK (http://www.microsoft.com/en-us/download/details.aspx?id=40758) and Nuget Package Explorer (http://npe.codeplex.com/)I also attached a small dummy project just to help understanding what is written in this article.Skipping to hands on code is always more helpful and faster for me to, so if you are bored by reading, download the attached .7zfile and explore it...read more
Custom configuration section with intelisense
Setup intelisense for custom configuration sections in app.config
 
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Config files are really useful and allow you to store some setting values without having to hard-code them. It provides out of the box configuration utility which is very flexible, but because of its flexibility, it has some drawbacks as well. For you application you can easily create your own, nonstandard elements and easily bind them to your strongly typed model in order to read values...read more
Set entry assembly in Unit testing methods
Resolving null entry assembly issue in unit tests
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Recently I started writing unit tests for a small project I keep in my visualstudio online TFS repository. After few test done I run into an issue. Since this project heavily relies on Reflection and dynamic assembly loading, main class constructor at one point is calling ...read more
Avoiding high processor load in long running loops
Keep processor not overloaded with long running loops
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When having a long running loop which you are not sure when it is going to end you will probably have to create a loop in a separate loop and on every iterration you will check whether some condition is true and exit the loop. Let's say you want to execute some piece of code after some specific time, let's say after one minute or everyday at specific time (common scenario in windows services). You can do it really simple with Timer class and just few lines of code as the code below. ...read more
Deserializing JSON to anonymus type in C#
Binding JSON string to anonyms type
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JSON is really easy to use and it really boosts performances since it is a lot lighter than XML and SOAP. Sometime it can be really annoying having to create POCO class every time you need to deserialize JSON value passed from client side in ASP.NET web applications. During extending project functionality this number of POCO classes can significantly grow to that matter that you have a bunch of classes for even the simplest task you have to do with JSON value. ...read more
Application plugin host with assembly caching and auto reloading
Caching and loading plugins dynamically when plugin library updates
 
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Few moths ago I wrote and article about simple way to implement plugin architecture in C# simple plugin host application approach. This approach is great for desktop applications because when you for example need to update (which means replace the plugin dll) you can easily close the app and start it again and it will pickup new code...read more
JavaScript Eval function equivalent in C#
Execute C# code string on the fly
 
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Probably who ever was working on some complicated dynamic client-side JavaScript used at least once eval functional in JavaScript. Basically this function executes the code which is passed to it as parameter. ...read more
One way, fire and forget action in WCF
Long running process invoke from ASP.NET web application
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In case you are building a web app that needs to perform some complex or long running task, for sure you would't want that task to slow down your website or web application. For example you have a database of growing number of members on your website and you want to send a notification after you published some page on the website. Imagine you have 10,000+ members and that you are composing different message for each of them based on their account information and then sending an email with notification message. ...read more
ASP.NET web application security check list
Things to do before your web application goes live
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There are several things to be taken care of during development and before deployment to keep you online web app tip top regarding performance and security. 1. Logging informations ...read more
Separate Debug and Release code in C#
Use separate code for debug and release compilation in C#
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Basic functionality of your code does what it should do regardless of whether it is compiled in Debug of Release mode. Only differences might be related to debugging the code and tracing errors during debug. For sure you want more monitoring during the development (debug mode), so you would probably add some sort of logging. ...read more
Restrict image and CSS hotlinking of your ASP.NET website
Blocking hotlinking with IIS Url Rewrite
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I did not rely how important to restrict hot-linking until one day my friend came to me and told me that he has to pay additional money for the bandwidth on his website. He was surprised that he reached bandwidth quota limit. It was weird, but after some logging of requests coming to a website we realized that most of the requests were initiated from some other website...read more
Windows Scheduled Task vs Windows Service
Points to consider whether to use scheduled task or windows service
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From time to time you have a need to implement some maintainance opration for your application server. Whether it is just a simple temporary file deleting pr something more complicated. Two most common ways to do this are either using ...read more
Generating HTML structure string in C#
Clean and proper way to generate html string in C#
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String hardcoding it the worst way to generate your HTML. It makes code non-maintainable and hard to read. Lately in June I wrote an article how to generate HTML string without hard coding the string and using concatenation or string format...read more

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