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HTTP POST Returns Error: 417 “Expectation Failed.”
...
System.Net.HttpWebRequest adds the header 'HTTP header "Expect: 100-Continue"' to every request unless you explicitly ask it not to by setting this static property to false:
System.Net.ServicePointManager.Expect100Continue = false;...
How to add color to Github's README.md file
...le if you wanted to provide a list of colours for reference:
-  `#f03c15`
-  `#c5f015`
-  `#1589F0`
Produces...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...上结果证明配置成功。
源码下载
https://github.com/mit-cml/appinventor-sources
国内下载非常非常缓慢，这个项目比较大，也许2天都下载不完，不过没关系，我们早已提供已下载好的工程源码，关注页面底部公众号...
How can I draw vertical text with CSS cross-browser?
...font-size:14px">This text is vertical</text>
</svg>
Demo: https://jsfiddle.net/bkymb5kr/
More on SVG text: http://tutorials.jenkov.com/svg/text-element.html
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Hidden Features of VB.NET?
...res
of C# and was surprised when I couldn't find something
similar for VB.NET.
64 Answers
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Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi
I wrote REST service using ASP.NET Web API.
I'm trying to send HttpDelete request, however I get the following error:
14 An...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...sistently. When you leave connections open, they remain blocked until the .NET garbage collector closes them for you by calling their Finalize() method.
You want to make sure that you are really closing the connection. For example the following code will cause a connection leak, if the code between ...
How to find the Number of CPU Cores via .NET/C#?
Is there a way via .NET/C# to find out the number of CPU cores?
11 Answers
11
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Why are C# interface methods not declared abstract or virtual?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
C# Set collection?
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If you're using .NET 3.5, you can use HashSet<T>. It's true that .NET doesn't cater for sets as well as Java does though.
The Wintellect PowerCollections may help too.
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