Chuck Lu

摘要： Bubble sort, sometimes referred to as sinking sort, is a simple sorting algorithm that repeatedly steps through the list, compares adjacent相邻的 element 阅读全文

摘要： 声明和定义 列表 list 一个数据结构，可以将一组数据存放其中，并进行处理 , 用 方括号 [ ] 表示friends = ['John', 'Mike', 'Mary', 'Zhang San'] 字典dictionary 创建空字典，用花括号 {} 或者函数 dict() dict_0 = { 阅读全文

摘要： 项目是.net4.7.2的， codedom的nuget包下面 Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\tools有3个子文件夹 net45文件夹是安装和卸载的脚本 Roslyn45是4.5的版本，不支持高级语法 Roslyn 阅读全文

摘要： IIS 10 - 404 Error (But the files exist...) As I messed around in the services, config files and logs... It appears that the service World Wide Web Pu 阅读全文

摘要： IComparable doesn't need to be contravariant? In the code below i am targetting the .NET 2.0 Framework. I can pass a Programmer (derived) object to th 阅读全文

摘要： Covariance and Contravariance in Generics 奇怪的是微软有两篇文章来说明协变和逆变 文章1 Docs .NET C# guide Programming guide Programming concepts Covariance and contravaria 阅读全文

摘要： https://rules.sonarsource.com/csharp/RSPEC-2386 https://github.com/SonarSource/sonar-dotnet/issues/3636 public class CustomHelper { public static List 阅读全文

摘要： How to use NPOI to read Excel spreadsheet that contains empty cells? Try the GetCell method with the MissingCellPolicy: ICell cell = row.GetCell(2, Mi 阅读全文

摘要： What is an example of the Liskov Substitution Principle? 回答1 A great example illustrating LSP (given by Uncle Bob in a podcast I heard recently) was h 阅读全文

摘要： Mathematics - Law of probability 概率论 Mathematics - Conditional expectation 条件期望 Mathematics - Matrix 矩阵 Mathematics - Gradient descent 梯度下降 Statistics 阅读全文