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Interfaces — What's the point?

...o that your front end would be written once and (here's the important bit) tested, and you can then plug in further back end items as required: interface ICreature { void Walk(int distance) } public class Troll : ICreature public class Orc : ICreature //etc Front end is then: void SpawnCr...
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How do I get a human-readable file size in bytes abbreviation using .NET?

... using Log to solve the problem.... static String BytesToString(long byteCount) { string[] suf = { "B", "KB", "MB", "GB", "TB", "PB", "EB" }; //Longs run out around EB if (byteCount == 0) return "0" + suf[0]; long bytes = Math.Abs(byteCount); int place ...
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Parsing JSON using Json.net

...""objects"" : [ { ""attributes"" : { ""OBJECT_NAME"" : ""test name"", ""OBJECT_TYPE"" : ""test type"" }, ""position"" : { ""x"" : 5, ""y"" : 7 } } ] }"; static void Main() { JavaScriptSerializer ser = new J...
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Make first letter of a string upper case (with maximum performance)

...t().ToString().ToUpper() + input.Substring(1); } EDIT 2: Probably the fastest solution is Darren's (There's even a benchmark) although I would change it's string.IsNullOrEmpty(s) validation to throw an exception since the original requirement expects for a first letter to exist so it can be upperc...
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SVN best-practices - working in a team

...unk must always build without errors." or "trunk must always pass all unit tests". Any work that can't yet meet the standards of trunk must be done in a branch. share | improve this answer ...
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How to find out if a file exists in C# / .NET?

I would like to test a string containing a path to a file for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#. ...
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In Java, how do I call a base class's method from the overriding method in a derived class?

... class test { void message() { System.out.println("super class"); } } class demo extends test { int z; demo(int y) { super.message(); z=y; System.out.println("re:"+z); } }...
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Global variables in R

... set a global variable in a mailinglist posting via assign: a <- "old" test <- function () { assign("a", "new", envir = .GlobalEnv) } test() a # display the new value share | improve thi...
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How do I set a JLabel's background color?

...set the background of a JLabel to a different color. I can see the word "Test" and it's blue, but the background doesn't change at all. How can I get it to show? ...
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bash string equality [duplicate]

... bash , what's the difference, if any, between the equal and double equal test operators? 1 Answer ...