Problem By counting carefully it can be seen that a rectangular grid measuring 3 by 2 contains eighteen rectangles: Although there exists no rectangular grid that contains exactly two million rectangles, find the area of the grid with the nearest solution. Solution This problem looks more difficult than it is, I’m not going to go …
Problem In the 5 by 5 matrix below, the minimal path sum from the top left to the bottom right, by only moving to the right and down, is indicated in bold red and is equal to 2427. Find the minimal path sum, in matrix.txt (right click and ‘Save Link/Target As…’), a 31K text file …
Problem Comparing two numbers written in index form like 211 and 37 is not difficult, as any calculator would confirm that 211 = 2048 < 37 = 2187. However, confirming that 632382518061 > 519432525806 would be much more difficult, as both numbers contain over three million digits. Using base_exp.txt (right click and ‘Save Link/Target As…’), …
One of the great thing about Nancy is that you can host it in pretty much everywhere, and that includes inside a console app! The documentations seems to be missing the self-hosting option however, but it’s easy and only takes a minute. First, create a console app and get the Nancy.Hosting.Self package from NuGet: Then …
Over the last couple of days I’ve been playing around with Nancy, one of a number of micro web frameworks now available for the .Net platform. You can read more about Nancy on their github readme page but in short it’s an ultra lightweight, easily extensible framework that lets you run a HTTP web server …
One of a new wave of buzzwords that have been made popular by the emerging breed of Ruby/Scala developers, low ceremony is usually used to describe web frameworks – if a framework is "low ceremony" then the amount of setup/configuration it requires is minimal and the central idea is that it will stay out of …
Note: don’t forget to check out the Benchmarks page to see the latest round up of binary and JSON serializers. When working with the BinaryFormatter class frequently, one of the things you notice is that it is really damn inefficient… both in terms of speed as well as the payload (the size of the serialized …
Performance Test – BinaryFormatter vs Protobuf-Net Read More »
Since I do a fair bit of performance tests on random things that pique my interest, it’s only natural that I should make the task of carrying out these tests easier for myself, so over the weekend I put together a simple, no frills framework to do just that! The SimpleSpeedTester project is intended to …
NOTE: For an updated set of benchmarks, see the Benchmarks page. For those of you who have worked with JSON data in .Net you should be familiar with the DataContractJsonSerializer class and the JavaScriptSerializer class already. Both allow you to serialize/deserialize an object to and from a piece of string in JSON format, though there …
Cranked these out last night, hope you find it useful too 1: public static class SerializationExtensions 2: { 3: private static readonly ConcurrentDictionary<Type, XmlSerializer> XmlSerializers = 4: new ConcurrentDictionary<Type, XmlSerializer>(); 5: 6: private static readonly ConcurrentDictionary<Type, DataContractJsonSerializer> JsonSerializers = 7: new ConcurrentDictionary<Type, DataContractJsonSerializer>(); 8: 9: private static readonly JavaScriptSerializer JavaScriptSerializer = new JavaScriptSerializer(); 10: 11: …
Extension Methods – Serialize/Deserialize as Json/XML Read More »
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