随笔分类 -  .NET

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an excellent capability of C# language and compiler
摘要：This article discusses a C# compiler's capability to avoid unnecessary self-casting boxing and unboxing sequence. 阅读全文
posted @ 2015-11-13 08:34 quanben 阅读(217) 评论(0) 推荐(0)
换啤酒问题
摘要：一道简单数学题的最优解的程序枚举论证。 阅读全文
posted @ 2015-10-22 19:06 quanben 阅读(1782) 评论(0) 推荐(0)
WPF standard ComboBox Items Source Change Issue
摘要：An issue related to selected item update on changing data bound WPF standard ComboBox item sources I've analysed and fixed. 阅读全文
posted @ 2015-07-16 13:47 quanben 阅读(410) 评论(0) 推荐(0)
MomoDue (code)
该文被密码保护。
posted @ 2015-05-28 20:24 quanben 阅读(2) 评论(0) 推荐(0)
Issues I encountered when building Windows Store apps on a new laptop
摘要：Issues with previous apps and app installation and launching I encountered when I started using a new Samsung Ativ laptop which has been used by my wife before. 阅读全文
posted @ 2015-02-06 12:52 quanben 阅读(168) 评论(0) 推荐(0)
QuanbenSoft Windows Runtime （Windows Store）Apps 应用及其框架总览
摘要：QuanbenSoft Windows Runtime （Windows Store）Apps 应用和框架总览 阅读全文
posted @ 2014-06-06 08:13 quanben 阅读(364) 评论(0) 推荐(0)
The design of a distributed variant of Plato framework to support collaborated editing
摘要：This article discusses the design of the enhanced platform based on Plato framework that is potentially running on a C/S setting and enables collaborated editing of canvas work. 阅读全文
posted @ 2014-04-18 13:48 quanben 阅读(232) 评论(0) 推荐(0)
Posterior visual bounds retrieval for the Plato framework
摘要：This article discusses an approach to the issues with the obtention of visual bounds of objects from view/view model side, including the unavailability of the view/view model and the impact on the functioning of the framework of Plato by violating its guidelines of usage. It introduces a modified sight manager with unified visual information support and how it's integrated with the existing system. 阅读全文
posted @ 2014-04-11 13:27 quanben 阅读(213) 评论(0) 推荐(0)
The Result of an Interesting and Useful Program on Floating Numbers
摘要：A program that demonstrates some special values of double type and their relations. 阅读全文
posted @ 2014-03-20 18:14 quanben 阅读(206) 评论(0) 推荐(0)
Finaliser and Destructor in C++/CLR and their equivalents in C#
摘要：In C# we all know the standard way of finalising an object that potentially contains both managed and unmanaged resources islike 1 class SomeDisposabl... 阅读全文
posted @ 2013-06-07 08:01 quanben 阅读(328) 评论(0) 推荐(0)
CSharp mimicking JavaScript design pattern
摘要：Simplest C# code so far I can think of equivalent to the JavaScript design pattern to allow private members.The original JavaScript code can be found here:http://www.crockford.com/javascript/private.htmlFor the ease of comparison, the JavaScript code from the above linkis also pasted here, 1 functio 阅读全文
posted @ 2013-05-21 18:12 quanben 阅读(230) 评论(0) 推荐(0)
WPF: Changing sizes of grid rows and columns during runtime
摘要：At work I spent a lot of time trying to get my head around a issue with WPF grid resizing during runtime. I always found the controls don't resize the way I wanted and differently than how those in the exemplary program (MS Office in this case) do.What I intended to do issomething like the recen 阅读全文
posted @ 2013-05-09 12:59 quanben 阅读(2206) 评论(0) 推荐(0)
C#代码规范——成员分段
摘要：这里的基本整理一般原则是：1. 尽可能少分段2. 关于类的尽可能靠前（例如static），关于实际对象的尽可能靠后3. 早生成的尽可能靠前4. 公有的，接口的尽可能靠前5. 抽象的，通用的，基础性的，被依赖靠前；继承过来的尽量靠前6. 相对需要引起注意的尽量靠前7. 其他一些以往经验考虑 1 class Sample : BaseClass, IIntf1 2 { 3 #region Enumerations 4 5 enum EnumType 6 { 7 Const1, 8 // ... 9 } 10 11 #en... 阅读全文
posted @ 2013-04-23 09:07 quanben 阅读(556) 评论(0) 推荐(0)
Chinese Lunar Calendar for Live Calendar(In progress ...)
摘要：Resources Needed,1. API: http://msdn.microsoft.com/en-us/library/live/hh826523.aspxlooks like the ultimateprogram has to be in a windows store app or windows phone app form, hopefully it can be an offline app in debugging mode able to have the calendar updated.2. Algorithms: (Shouldn't be too ha 阅读全文
posted @ 2013-04-09 07:32 quanben 阅读(308) 评论(0) 推荐(0)
一段写坏掉的快速DCT实现
摘要：想当然了，用递归实现DCT，没想到DCT有4个分支需要递归下去，这样的规模非但无法快速实现，反而由于本身时间复杂度没有多大减少加上递归开销等等比慢速实现往往还慢。这个代码片段将由于清洁需要从QSharp中删除而保留在这里，对其分析将在代码之后有空时进行。过两天想想是不是能用动态规划或备忘录来改进这个算法。 1 /// <summary> 2 /// Type-IV DCT implemented using recursive method 3 /// Warning: This method is mathematically crippled even slower than 阅读全文
posted @ 2013-03-26 00:36 quanben 阅读(290) 评论(0) 推荐(0)
近期要学的一些东西
摘要：IT学习无止境。以下整理一下计划学习和研究的东西。语言学习，重点关注C#（不能说掌握得差不多了，但继续作为主力编程工具需要不断提高）和C++11的进展，补一些boost的课（有条件的话看boost在新C++条件下如何演进）和C++遗忘的东西，回顾设计模式在这两个语言中的应用。留半个眼睛给Functional Programming和并发编程。有空粗略思考一些语言设计、对象模型、泛型和元编程、编译实现的问题。最近我发现越发对C++这门语言不感冒了。个人感觉，除了一些计算密集性能要求和架构要求有些紧张的场景，C++不是一个好的选择。对于前端界面应用，越来越没有C++什么事，对于大型的复杂的前端应用 阅读全文
posted @ 2012-09-24 15:16 quanben 阅读(187) 评论(0) 推荐(0)
一个C#和C++执行效率对比的简单实例
摘要：这里用一个算法题进行比较。原题是见http://acm.hdu.edu.cn/showproblem.php?pid=4090，登载在http://blog.csdn.net/woshi250hua/article/details/7997550作者提供了一个比较快的答案。我之前也尝试做了一个，没有用递归，但也没有用作者使用的格局保存的剪枝方案，比较慢，随后看了作者的方案后再整合进了一个基本等效的格局保存逻辑。以下是作者的C++程序的基本等价的C#程序， 1 using System.Collections.Generic; 2 3 namespace HDU4090 4 { 5 ... 阅读全文
posted @ 2012-09-22 22:29 quanben 阅读(2316) 评论(0) 推荐(0)
WPF内部结构树以及一个探查控件
摘要：WPF对初学者来说一个比较复杂的概念是它用两个树来组织其元素的。了解一些WPF的同学一般都知道它们分别是逻辑树（Logical Tree）和视觉树（Visual Tree）。而这两者的关系，以及一个界面中元素究竟如何与另一个元素在这两棵树上联系起来却相当复杂，很难一言两语涵盖其规则。而树和WPF中的... 阅读全文
posted @ 2012-09-21 00:41 quanben 阅读(429) 评论(0) 推荐(0)
A Medical Study Tool Developed with WPF
摘要：Open source managed at,http://code.google.com/p/physio-assist/shared on skydrive at,http://sdrv.ms/QrHJ8j 阅读全文
posted @ 2012-09-15 16:35 quanben 阅读(138) 评论(0) 推荐(0)
How .NET run-time determines which member to invoke in a interface involving hiearchy
摘要：C# interface is very useful and powerful. The major difference in interface between C# and older languages such as java is C# introduced explicit member implementation, which can also cause considerable confusion and complexity.In this article I want to use simplest words to hopefully cover how an a 阅读全文
posted @ 2012-09-14 03:31 quanben 阅读(142) 评论(0) 推荐(0)

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