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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...秀习惯，而且通常也被其他面向对象的语言所采用，例如C#与Java，因为编译器通常会做inline访问，而且你需要限制或者调试变量，你可以在任何时候在getter/setter里面添加代码。 然而，在Android上，这是一个糟糕的写法。Virtual meth...
date format yyyy-MM-ddTHH:mm:ssZ
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In C# 6+ you can use string interpolation and make this more terse:
$"{DateTime.UtcNow:s}Z"
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One or more types required to compile a dynamic expression cannot be found. Are you missing referenc
I am trying to compile this code in Microsoft Visual C# 2010
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Xcode source automatic formatting
As a C# developer, I have become highly dependent on the automatic formatting in Visual Studio 2008. Specifically, I will use the CTRL + K , D keyboard shortcut to force things back into shape after my sloppy implementation.
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nullable object must have a value
...nction might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can cause problems when you're checking for null in your lambda.
Example:
MyEnum? type = null;
Entities.Tab...
Why is access to the path denied?
... System.UnauthorizedAccessException: Access to the path is denied. because C# File.Move wants a file there, not just for the first parameter, but for the second too, and so if you put a directory as second parameter, it's trying to write a file like c:\crp when you have a directory called c:\crp.
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How to mark a class as Deprecated? [duplicate]
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Not the answer you're looking for? Browse other questions tagged c# .net oop deprecated or ask your own question.
Find and extract a number from a string
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This answer ist not complete (in C#). It is only getting the first number in the string. You have to itarate over the matches: resultString = string.Join(string.Empty, Regex.Matches(subjectString, @"\d+").OfType<Match>().Select(m => m.Value));
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Is there a way to include commas in CSV columns without breaking the formatting?
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Is there a C# library to parse csv files with quote-escaped fields?
– Minh Tran
Jan 29 '19 at 20:35
add a comme...
Make a phone call programmatically
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If you are using Xamarin to develop an iOS application, here is the C# equivalent to make a phone call within your application:
string phoneNumber = "1231231234";
NSUrl url = new NSUrl(string.Format(@"telprompt://{0}", phoneNumber));
UIApplication.SharedApplication.OpenUrl(url);
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