ChuckLu - 博客园

2022年9月8日

Cannot convert from an IEnumerable<T> to an ICollection<T>

摘要： Cannot convert from an IEnumerable<T> to an ICollection<T> I have defined the following: public ICollection<Item> Items { get; set; } When I run this 阅读全文

posted @ 2022-09-08 15:24 ChuckLu 阅读(43) 评论(0) 推荐(0)

How can I add an item to a IEnumerable<T> collection?

摘要： How can I add an item to a IEnumerable<T> collection? My question as title above. For example IEnumerable<T> items = new T[]{new T("msg")}; items.ToLi 阅读全文

posted @ 2022-09-08 15:20 ChuckLu 阅读(512) 评论(0) 推荐(0)

What are the Navigation Properties in Entity Framework

摘要： What are the Navigation Properties in Entity Framework 回答1 Navigation properties represents related entites to the principal entity. Foreign Keys are 阅读全文

posted @ 2022-09-08 10:27 ChuckLu 阅读(40) 评论(0) 推荐(0)

Why Navigation Properties are virtual by default in EF

摘要： Why Navigation Properties are virtual by default in EF I have following POCO class being used in EF 6.x. My question: Why is the navigation property o 阅读全文

posted @ 2022-09-08 10:22 ChuckLu 阅读(226) 评论(0) 推荐(0)

Do Visual Studio Database Project *.refactorlog Files Belong in Source Control?

摘要： Do Visual Studio Database Project *.refactorlog Files Belong in Source Control? 问题 I am using git (via GitHub for Windows) and I am using the latest . 阅读全文

posted @ 2022-09-08 09:41 ChuckLu 阅读(34) 评论(0) 推荐(0)

2022年9月7日

在线求极限

摘要：数学一李永乐660 132题分母和差化积，分子1-cosx的等价无穷小是二分之一的x^2。 https://www.symbolab.com/solver/limit-calculator/%5Clim_%7Bx%5Cto0%7D%5Cleft(%5Cfrac%7Bcos%5Cleft(sinx% 阅读全文

posted @ 2022-09-07 15:46 ChuckLu 阅读(45) 评论(0) 推荐(0)

Is there a quick way to find all columns in SQL Server 2008 R2 that are encrypted/have encrypted data?

摘要： Is there a quick way to find all columns in SQL Server 2008 R2 that are encrypted/have encrypted data? SELECT t.name AS [Table], c.name AS [Column], c 阅读全文

posted @ 2022-09-07 14:29 ChuckLu 阅读(26) 评论(0) 推荐(0)

幸运的人一生都被童年治愈；不幸的人一生都在治愈童年。

摘要：久留木玲|生活总是如此艰辛吗，还是只有童年才如此阿尔弗雷德说“幸运的人一生都被童年治愈；不幸的人一生都在治愈童年。” Psychologist Alfred Adler said, Unfortunate people are healing their childhood all their l 阅读全文

posted @ 2022-09-07 00:53 ChuckLu 阅读(1382) 评论(0) 推荐(0)

2022年9月6日

"Search Solution Explorer" doesn't work properly in VS 2022

摘要： "Search Solution Explorer" doesn't work properly in VS 2022 Thank you for sharing your feedback! There are two things that need to be clarified: Make 阅读全文

posted @ 2022-09-06 10:48 ChuckLu 阅读(31) 评论(0) 推荐(0)

2022年9月5日

Filter Editor

摘要： Docs > WPF Controls > Controls and Libraries > Data Grid > Filtering and Searching > Filter Editor The Filter Editor allows users to build complex fil 阅读全文

posted @ 2022-09-05 18:00 ChuckLu 阅读(49) 评论(0) 推荐(0)

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