diff options
Diffstat (limited to 'csharp.html.markdown')
| -rw-r--r-- | csharp.html.markdown | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/csharp.html.markdown b/csharp.html.markdown index 222ba0d2..02650038 100644 --- a/csharp.html.markdown +++ b/csharp.html.markdown @@ -25,7 +25,7 @@ Multi-line comments look like this //public void MethodOrClassOrOtherWithParsableHelp() {} // Specify the namespaces this source code will be using -// The namespaces below are all part of the standard .NET Framework Class Libary +// The namespaces below are all part of the standard .NET Framework Class Libary using System; using System.Collections.Generic; using System.Dynamic; @@ -48,7 +48,7 @@ namespace Learning.CSharp public class LearnCSharp { // BASIC SYNTAX - skip to INTERESTING FEATURES if you have used Java or C++ before - public static void Syntax() + public static void Syntax() { // Use Console.WriteLine to print lines Console.WriteLine("Hello World"); @@ -371,11 +371,11 @@ on a new line! ""Wow!"", the masses cried"; // // INTERESTING FEATURES // - + // DEFAULT METHOD SIGNATURES public // Visibility - static // Allows for direct call on class without object + static // Allows for direct call on class without object int // Return Type, MethodSignatures( int maxCount, // First variable, expects an int @@ -383,7 +383,7 @@ on a new line! ""Wow!"", the masses cried"; int another = 3, params string[] otherParams // captures all other parameters passed to method ) - { + { return -1; } @@ -400,8 +400,8 @@ on a new line! ""Wow!"", the masses cried"; // The classes for TKey and TValue is specified by the user calling this function. // This method emulates the SetDefault of Python public static TValue SetDefault<TKey, TValue>( - IDictionary<TKey, TValue> dictionary, - TKey key, + IDictionary<TKey, TValue> dictionary, + TKey key, TValue defaultItem) { TValue result; @@ -410,7 +410,7 @@ on a new line! ""Wow!"", the masses cried"; return result; } - // You can narrow down the objects that are passed in + // You can narrow down the objects that are passed in public static void IterateAndPrint<T>(T toPrint) where T: IEnumerable<int> { // We can iterate, since T is a IEnumerable @@ -450,13 +450,13 @@ on a new line! ""Wow!"", the masses cried"; // GENERICS // - var phonebook = new Dictionary<string, string>() { + var phonebook = new Dictionary<string, string>() { {"Sarah", "212 555 5555"} // Add some entries to the phone book }; // Calling SETDEFAULT defined as a generic above Console.WriteLine(SetDefault<string,string>(phonebook, "Shaun", "No Phone")); // No Phone - // nb, you don't need to specify the TKey and TValue since they can be + // nb, you don't need to specify the TKey and TValue since they can be // derived implicitly Console.WriteLine(SetDefault(phonebook, "Sarah", "No Phone")); // 212 555 5555 @@ -491,26 +491,26 @@ on a new line! ""Wow!"", the masses cried"; // DISPOSABLE RESOURCES MANAGEMENT - let you handle unmanaged resources easily. // Most of objects that access unmanaged resources (file handle, device contexts, etc.) - // implement the IDisposable interface. The using statement takes care of + // implement the IDisposable interface. The using statement takes care of // cleaning those IDisposable objects for you. using (StreamWriter writer = new StreamWriter("log.txt")) { writer.WriteLine("Nothing suspicious here"); // At the end of scope, resources will be released. // Even if an exception is thrown. - } + } // PARALLEL FRAMEWORK // http://blogs.msdn.com/b/csharpfaq/archive/2010/06/01/parallel-programming-in-net-framework-4-getting-started.aspx - var websites = new string[] { - "http://www.google.com", "http://www.reddit.com", + var websites = new string[] { + "http://www.google.com", "http://www.reddit.com", "http://www.shaunmccarthy.com" }; var responses = new Dictionary<string, string>(); - + // Will spin up separate threads for each request, and join on them // before going to the next step! - Parallel.ForEach(websites, + Parallel.ForEach(websites, new ParallelOptions() {MaxDegreeOfParallelism = 3}, // max of 3 threads website => { @@ -534,7 +534,7 @@ on a new line! ""Wow!"", the masses cried"; (introduceTo) => string.Format("Hey {0}, this is {1}", student.FirstName, introduceTo)); Console.WriteLine(student.Introduce("Beth")); - // IQUERYABLE<T> - almost all collections implement this, which gives you a lot of + // IQUERYABLE<T> - almost all collections implement this, which gives you a lot of // very useful Map / Filter / Reduce style methods var bikes = new List<Bicycle>(); bikes.Sort(); // Sorts the array @@ -556,8 +556,8 @@ on a new line! ""Wow!"", the masses cried"; // ASPARALLEL // And this is where things get wicked - combines linq and parallel operations var threeWheelers = bikes.AsParallel().Where(b => b.Wheels == 3).Select(b => b.Name); - // this will happen in parallel! Threads will automagically be spun up and the - // results divvied amongst them! Amazing for large datasets when you have lots of + // this will happen in parallel! Threads will automagically be spun up and the + // results divvied amongst them! Amazing for large datasets when you have lots of // cores // LINQ - maps a store to IQueryable<T> objects, with delayed execution @@ -575,9 +575,9 @@ on a new line! ""Wow!"", the masses cried"; .Select(b => b.Name); // still no query run // Now the query runs, but opens a reader, so only populates are you iterate through - foreach (string bike in query) + foreach (string bike in query) Console.WriteLine(result); - + } @@ -629,7 +629,7 @@ on a new line! ""Wow!"", the masses cried"; private set; // You can set modifiers on the get/set methods } - int _speed; // Everything is private by default: Only accessible from within this class. + int _speed; // Everything is private by default: Only accessible from within this class. // can also use keyword private public string Name { get; set; } @@ -676,7 +676,7 @@ on a new line! ""Wow!"", the masses cried"; // Constructors are a way of creating classes // This is a default constructor - public Bicycle() + public Bicycle() { this.Gear = 1; // you can access members of the object with the keyword this Cadence = 50; // but you don't always need it @@ -688,13 +688,13 @@ on a new line! ""Wow!"", the masses cried"; // This is a specified constructor (it contains arguments) public Bicycle(int startCadence, int startSpeed, int startGear, - string name, bool hasCardsInSpokes, BikeBrand brand) + string name, bool hasCardsInSpokes, BikeBrand brand) : base() // calls base first { - Gear = startGear; + Gear = startGear; Cadence = startCadence; _speed = startSpeed; - Name = name; + Name = name; _hasCardsInSpokes = hasCardsInSpokes; Brand = brand; } @@ -857,7 +857,7 @@ on a new line! ""Wow!"", the masses cried"; } /// <summary> - /// Used to connect to DB for LinqToSql example. + /// Used to connect to DB for LinqToSql example. /// EntityFramework Code First is awesome (similar to Ruby's ActiveRecord, but bidirectional) /// http://msdn.microsoft.com/en-us/data/jj193542.aspx /// </summary> @@ -882,7 +882,7 @@ on a new line! ""Wow!"", the masses cried"; * ASP.NET Web Forms (old) * WebMatrix (tool) * Desktop Development - * Windows Presentation Foundation (WPF) (new) + * Windows Presentation Foundation (WPF) (new) * Winforms (old) ## Further Reading |