Tagged articles - C#

Some time ago I wrote about setting up .NET Core service/daemon on Linux. Back than I was using .NET Core 2.0 SDK on both development Windows machine and Linux host machine...read more

In .NET framework, having separate configuration is possible by having different web.config or app.config file transformations since in .NET framework configuration is stored in XML format. You can check more on this in article Separate configuration files per build config in Visual Studio IDE...read more

In two previous articles (How to setup .NET Core 2 on Debian or Ubuntu Linux distro the easy way & Setting up .NET Core service/daemon on Debian Linux OS) I explained how to setup and run .NET Core based applications and how to run them as a Linux daemon. In this article we are going to take it one step further...read more

I found a lot of articles out here on this subject, but non of them actually made the daemon work from the first time. There was always some catch I had to chase and found in some other article posted online. In this article I will try to cover as much as possible how to setup .NET Core daemon working on a clean Debian 9 Linux machine...read more

Both Web API in .NET 4.5 and later and Web API in ASP.NET CORE have great error handling support out of the box. You can specify you global handler and control your response to a client when exception happens. ...read more

Recently I needed to set redis key if it is not present with specific expiry time to use it as some logical flag. I knew tat you can use SETNX command for this but did not have any info how to set the expiry time. After some time going through redis documentation and articles found online I found a SET method overload for the redis-cli. ...read more

Often case when you need to convert String to a different type which is most of the time a primitive type in C# is when you are reading values from configuration. In both .NET and .NET Core, reading from configuration return plain String value...read more

Authentication in web services is a bit more different than with web pages because of one simple reason. There is no UI for entering credentials to authenticate to consume service...read more

GIF image format is most commonly used format for online advertising, especially since all browser starting from major onces stopped supporting Flash animations because of their infamous security vulnerabilities and issues. After going through different articles I found online, I came up with the class which exposes following GIF image properties. ...read more

I am pretty sure any of us used Thread.Sleep method to pause the current thread execution. Mostly this is used to simulate long running process during the test or debug. While this is fine to use for testing, if your intention is to actually schedule thread execution this is probably wrong way of doing it, simply because Thread.Sleep does not actually take as many milliseconds as you pass to the method as a parameter...read more

One of the reasons JSON is used rather than XML is it's simplicity in notation. However XML is claimed to be more human readable than JSON and JSON is easier to parse for machines, so basically we switched from XML in favor to machine processing. If you take a C# class and serialize it to JSON string you still find it quite readable since we kept all nice property names in the JSON output...read more

Recently I wrote an article on how to Send data to Azure Log Analytics from C# code which is demonstrating pushing data from your code to Microsoft Azure Log Analytics and simple quering the data from the Log Analytics. Azure Log Analytics are extremely helpful for storing application logs because they provide transformation of the raw data into queriable columns, you can easily query your logs stored in Log Analytics and export to Excel format if you need to share the data or you just want to make some offline data analysis. ...read more

Downloading large files from your code may cause problems due to limitations in your network or system where your code is executing. For example, some systems limit the size of the file you can download through the network...read more

Enums in C# can contain multiple values if they are decorated with [Flags] attribute. However, Flag Enums are not recommended to be used in web api action method signatures...read more

Cross-site Scripting (XSS) refers to client-site code injection attack where an attacker can execute malicious scripts into a web application. Basically attacker manages to upload malicious script code to the website which will be later on served to the users and executed in their browser. It is ofter use to steal form inputs, cookie values, change the page layout or redirect to attackers website. ...read more