加载中
记录exception log 的一种好方式

        private static string GetPreExceptLog(Exception ex)         {             StringBuilder description = new StringBuilder();      ...

2015/12/18 14:06
147
Unitary and orthogonal operator

注意remark 来自为知笔记(Wiz)

2015/05/05 00:36
40
Normal and self-adjoint operator

来自为知笔记(Wiz)

2015/05/05 00:34
99
Adjoint of linear operator

Adjoint of linear operator (2015/5/3 20:28:30) 来自为知笔记(Wiz)

2015/05/05 00:32
110
Cracking The Vigenere Cipher

In order to crack “Vigenere Cipher” under the circumstance that the key length can be only 3, 4 or 5, I used frequency analysis to find possible keys and compared the Euclide...

2015/02/17 22:24
216
Design Pattern 复习

1. Run-time binding v.s complile-time binding 2. Factory Method :defer instantiation to subclass,define only vitual function for creating a object in base class Abstract Factory...

2014/12/02 12:49
46
IEnumerable

初学C#的时候,老是被IEnumerable、IEnumerator、ICollection等这样的接口弄的糊里糊涂,我觉得有必要切底的弄清楚IEnumerable和IEnumerator的本质。 下面我们先看IEnumerable和IEnumerator...

2014/11/25 12:15
127
Data link layer

http://www.cisco.com/c/en/us/td/docs/net_mgmt/active_network_abstraction/3-6-5/tech_support/reference/guide/TechSuppRef/8ppp.html point-to-point protocol and HDLC protocol...

2014/10/18 14:21
46
orientation of a given circle

<!DOCTYPE html><html><head><meta charset="utf-8"><title>sqwswwEEEeUntitled Document</title><style>/* HTML5 ✰ Boilerplate What follows is the result of much research on cross-b...

linear fractional transformation

cross ratio, symmetric pairs

derivable and holomorphic

<!DOCTYPE html><html><head><meta charset="utf-8"><title>sqwswwEEEeUntitled Document</title><style></style></head><body> <h3 id="-">复习提纲</h3> <blockquote> <ol> <li>stereogra...

Mac OS X Terminal 101:终端使用初级教程

最近学习苹果认证的《Mac OS X Support Essentials》教程,看到 Command Line 一节有很多实用的知识,下面选取一部分翻译 + 笔记,整理如下。 你可以整天驾驶汽车而不用知道如何修理它们,但...

2014/09/30 16:44
4.1K
Connection-Oriented and Connectionless Services

Two distinct techniques are used in data communications to transfer data. Each has its own advantages and disadvantages. They are the connection-oriented method and the connecti...

2014/09/29 02:15
744
发现一个神器

用开源中国的自带编辑器写博客真是太蛋疼了,没有强迫症都要被逼出强迫症了,于是google一番让我发现了一个神器啊!!那就是 Markdown!! Markdown简介 在线编辑器,支持多种导出格式 在线编...

2014/09/28 23:40
269
The OSI Reference Model

International organization for standardization(ISO) developed a reference model for open system interconnection(OSI). The OSI reference model partitioned the communication proce...

2014/09/28 21:08
596
TCP listen() Backlog

The backlog has an effect on the maximum rate at which a server can accept new TCP connections on a socket. The rate is a function of both the backlog value and the time that co...

2014/09/27 21:18
330
父类与子类 构造函数的关系

Base Class and Sub Class have their own constructor, what is the relationship between their constructors, can we use the constructor of the base class to initialize the value in...

2014/09/20 10:14
496
C# 堆和栈的区别

ref:http://www.c-sharpcorner.com/UploadFile/rmcochran/csharp_memory01122006130034PM/csharp_memory.aspx?ArticleID=9adb0e3c-b3f6-40b5-98b5-413b6d348b91...

2014/09/17 23:38
2.6K

没有更多内容

加载失败,请刷新页面

返回顶部
顶部