ChuckLu - 博客园

2021年9月24日

摘要： The source contains no DataRows DataTable dt = ds.Tables[4].AsEnumerable() .Where(x => ((DateTime)x["EndDate"]).Date >= DateTime.Now.Date) .CopyToData 阅读全文

posted @ 2021-09-24 10:44 ChuckLu 阅读(790) 评论(0) 推荐(0)

LINQ to DataSet

摘要： LINQ to DataSet LINQ to DataSet makes it easier and faster to query over data cached in a DataSet object. Specifically, LINQ to DataSet simplifies que 阅读全文

posted @ 2021-09-24 10:14 ChuckLu 阅读(66) 评论(0) 推荐(0)

LINQ query on a DataTable

摘要： LINQ query on a DataTable I'm trying to perform a LINQ query on a DataTable object and bizarrely I am finding that performing such queries on DataTabl 阅读全文

posted @ 2021-09-24 10:12 ChuckLu 阅读(103) 评论(0) 推荐(0)

2021年9月23日

C# Collection for "most recently used"

摘要： C# Collection for "most recently used" I would suggest a LinkedList collection. The LinkedList holds references to the first and last node in the list 阅读全文

posted @ 2021-09-23 16:47 ChuckLu 阅读(76) 评论(0) 推荐(0)

Keep timer (setInterval) running while reloading page

摘要： Keep timer (setInterval) running while reloading page When you reload a page, the entire page context including all running JS is completely destroyed 阅读全文

posted @ 2021-09-23 16:34 ChuckLu 阅读(1166) 评论(0) 推荐(0)

Is there a way to detect if a browser window is not currently active?

摘要： Is there a way to detect if a browser window is not currently active? I have JavaScript that is doing activity periodically. When the user is not look 阅读全文

posted @ 2021-09-23 16:23 ChuckLu 阅读(87) 评论(0) 推荐(0)

Force Logout users if users are inactive for a certain period of time

摘要： jQuery idleTimer Plugin 这篇文章里面提到的插件，https://github.com/ehynds/jquery-idle-timeout 这个好像没人维护了 Detecting if the user is idle with JavaScript and YUI 3 Po 阅读全文

posted @ 2021-09-23 15:48 ChuckLu 阅读(104) 评论(0) 推荐(0)

2021年9月22日

Subresource Integrity: How to show only warning but not block resource?

摘要： Subresource Integrity: How to show only warning but not block resource? Secure approach If you need some kind of flexibility, then you should use a fa 阅读全文

posted @ 2021-09-22 17:44 ChuckLu 阅读(90) 评论(0) 推荐(0)

Difference between asp-fallback-test-property vs asp-fallback-test

摘要： Difference between asp-fallback-test-property vs asp-fallback-test asp-fallback-test-property is specific to the link tag-helper. It's the name of a C 阅读全文

posted @ 2021-09-22 17:29 ChuckLu 阅读(62) 评论(0) 推荐(0)

subresource integrity and autocrlf in git

摘要： https://github.com/dotnet/aspnetcore/pull/20356 https://github.com/dotnet/aspnetcore/blob/main/.gitattributes https://github.com/alexkaratarakis/gitat 阅读全文

posted @ 2021-09-22 13:08 ChuckLu 阅读(87) 评论(0) 推荐(0)

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