大约有 4,838 项符合查询结果(耗时:0.0190秒) [XML]

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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?

... omitted in boolean contexts. Generally, you can use this to replicate the C# code: return my_string.nil? || my_string.empty? share | improve this answer | follow ...
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DateTime.ToString() format that can be used in a filename or extension?

...= $"{DateTime.Now:yyyy.M.dd HH-mm-ss}" This feature is available in C# 6 and later versions of the language. share | improve this answer | follow | ...
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Delete files older than 3 months old in a directory using .NET

I would like to know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible. ...
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Execute stored procedure with an Output parameter?

...l other possible ways to execute stored procedure(like EXEC , calling from C# or PHP) but this is the easiest and a non technical person can do this. so +1 for this and thx for sharing the information. – Dhaval Sep 3 '13 at 11:13 ...
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Generics in C#, using type of a variable as parameter [duplicate]

... Not the answer you're looking for? Browse other questions tagged c# .net generics types or ask your own question.
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set DateTime to start of month

How can I set a DateTime to the first of the month in C#? 9 Answers 9 ...
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HttpUtility does not exist in the current context

I get this error when compiling a C# application. Looks like a trivial error, but I can't get around it. 10 Answers ...
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'

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get dictionary value by key

... Why not just use key name on dictionary, C# has this: Dictionary<string, string> dict = new Dictionary<string, string>(); dict.Add("UserID", "test"); string userIDFromDictionaryByKey = dict["UserID"]; If you look at the tip suggestion: ...
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Enum String Name from Value

... C# 6+ required though. – Adam K Dean Jul 17 '18 at 18:32 10 ...