September 2014

public class MathEvaluator{ public static void Run() { Eval(“(1+2)”); Eval(“5*4/2”); Eval(“((3+5)-6)”); } public static void Eval(string input) { var ans = Evaluate(input); Console.WriteLine(input + ” = ” + ans); } public static double Evaluate(String input) { String expr = input.Substring(0,1) == “(” ? input : “(” + input + “)”; Stack<String> ops = new Stack<String>();…

The HTTP verbs comprise a major portion of our “uniform interface” constraint and provide us the action counterpart to the noun-based resource. The primary or most-commonly-used HTTP verbs (or methods, as they are properly called) are POST, GET, PUT, and DELETE. These correspond to create, read, update, and delete (or CRUD) operations, respectively. There are…

Create, Update and HTTP Idempotence For developers building REST-based APIs, there is a great deal of misinformation and some understandable confusion about when to use HTTP PUT and when to use HTTP POST. Some say, POST should be used to create a resource, and PUT to modify one. Others that PUT should be used to…

I prefer to use FileZilla FTP Server above the traditional IIS FTP module. FileZilla comes with a lite and lean GUI, great logging tools, connection (speed)limits and more. If you do not know FileZilla Server or the Filezilla Client I strongly encourage you to try them out at https://filezilla-project.org/ Setting up the FileZilla Server is…

Here’s a short tutorial on how to use log4net in C# 1. Get log4net from the apache website or use NuGet to include in your project it   2. Add the Appender section to your app.config. The following code uses a file for the logging: <configuration> <configSections> <section name=”log4net” type=”log4net.Config.Log4NetConfigurationSectionHandler,Log4net”/> </configSections> <log4net> <root> <level value=”DEBUG”…

This .Net C# code snippet download image from URL. To use this function simply provide the URL of the image you like to download. This function read the image contents using URL and returns downloaded image as an image object. This function download image using web response stream. /// <summary>/// Function to download Image from…