03 2007 档案

Fast Gaussian Blur Algorithm in C#

摘要: Inspired by http://incubator.quasimondo.com/processing/fastblur.pde , I wrote a piece of CSharp code to implement this efficient "gaussian blur" alogorithm for one of my .Net project.
The concept of the "fast" is avoiding floating point calculation and pre-calculating some multiplication operation, storing the results into a large two-dimension array for later blurring operations, so it saves lots of time.阅读全文

posted @ 2007-03-30 22:17 Adrian H. 阅读(10557) | 评论 (6) 编辑 |

使用 Foreach 到底会不会产生垃圾迭代器对象?

摘要: 结论是: 有的产生, 有的不产生阅读全文

posted @ 2007-03-18 15:36 Adrian H. 阅读(213) | 评论 (0) 编辑 |

VS.Net 2005 Design-Time Integration

摘要: This article provides an overview of the VS.NET 2005 Design-Time Integration Support. The article highlights the .NET design-time architecture and discusses the design-time attributes and the various design-time components in details with reference to the web controls. The article also lists the reference and the namespaces required for adding design-time support to your projects.阅读全文

posted @ 2007-03-16 23:07 Adrian H. 阅读(996) | 评论 (0) 编辑 |

WeakEventHandler: Avoiding GC Problem by Strong Reference of an Event

摘要: 一种避免由于Delegate造成引用导致GC无法回收被引用对象的办法..阅读全文

posted @ 2007-03-11 20:34 Adrian H. 阅读(1209) | 评论 (6) 编辑 |

New C# "Orcas" Language Features: Automatic Properties, Object Initializers, and Collection Initializers

摘要: Scott Guthrie介绍的C# 3.0中的语言新特性阅读全文

posted @ 2007-03-11 11:24 Adrian H. 阅读(312) | 评论 (0) 编辑 |

数独游戏局的建立算法 (Sudoku Generating Algorithm Using Backtracking)

posted @ 2007-03-08 22:14 Adrian H. 阅读(3771) | 评论 (8) 编辑 |

欧几里德算法(辗转相除法) 求最大公约数

摘要: ..........阅读全文

posted @ 2007-03-06 22:42 Adrian H. 阅读(10587) | 评论 (11) 编辑 |

[转]各种分页 in SQL Server 2005, SQL Server 2000, MS Access and MySQL

摘要: 在各种数据库平台下写分页SQL阅读全文

posted @ 2007-03-04 11:08 Adrian H. 阅读(1082) | 评论 (0) 编辑 |