ChuckLu - 博客园

2020年9月30日

Covariance and Contravariance in Generics

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

posted @ 2020-09-30 16:51 ChuckLu 阅读(202) 评论(0) 推荐(0)

Mutable fields should not be "public static"

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

posted @ 2020-09-30 15:16 ChuckLu 阅读(3056) 评论(0) 推荐(0)

2020年9月29日

How to use NPOI to read Excel spreadsheet that contains empty cells?

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

posted @ 2020-09-29 15:41 ChuckLu 阅读(573) 评论(0) 推荐(0)

2020年9月22日

What is an example of the Liskov Substitution Principle?

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

posted @ 2020-09-22 21:37 ChuckLu 阅读(180) 评论(0) 推荐(0)

Data Science Bootcamp

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

posted @ 2020-09-22 21:22 ChuckLu 阅读(217) 评论(0) 推荐(0)

How to POST using HTTPclient content type = application/x-www-form-urlencoded

摘要： How to POST using HTTPclient content type = application/x-www-form-urlencoded var nvc = new List<KeyValuePair<string, string>>(); nvc.Add(new KeyValue 阅读全文

posted @ 2020-09-22 18:20 ChuckLu 阅读(2564) 评论(0) 推荐(0)

C# HttpWebRequest of type “application/x-www-form-urlencoded” - how to send '&' character in content body?

摘要： C# HttpWebRequest of type “application/x-www-form-urlencoded” - how to send '&' character in content body? First install "Microsoft ASP.NET Web API Cl 阅读全文

posted @ 2020-09-22 18:16 ChuckLu 阅读(2042) 评论(0) 推荐(0)

How can I supply an AntiForgeryToken when posting JSON data using $.ajax?

摘要： How can I supply an AntiForgeryToken when posting JSON data using $.ajax? 回答1 You don't need the ValidationHttpRequestWrapper solution since MVC 4. Ac 阅读全文

posted @ 2020-09-22 18:13 ChuckLu 阅读(181) 评论(0) 推荐(0)

2020年9月9日

How to send Ajax request, using HttpClient

摘要： How to send Ajax request, using HttpClient Well, Actually you can't send real AJAX request using HttpClient, but you can simulate it by adding XMLHttp 阅读全文

posted @ 2020-09-09 10:50 ChuckLu 阅读(326) 评论(0) 推荐(0)

2020年9月7日

tshark

摘要： https://tshark.dev/ https://github.com/pocc/tshark.dev How Is This Different from Wireshark Docs? Most Wireshark documentation focuses on the GUI. In 阅读全文

posted @ 2020-09-07 21:39 ChuckLu 阅读(424) 评论(0) 推荐(0)

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