大约有 44,000 项符合查询结果(耗时:0.0567秒) [XML]

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Why isn't String.Empty a constant?

In .Net why is String.Empty read only instead of a constant? I'm just wondering if anyone knows what the reasoning was behind that decision. ...
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Is a Java string really immutable?

We all know that String is immutable in Java, but check the following code: 15 Answers ...
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Why is [1,2] + [3,4] = “1,23,4” in JavaScript?

...t defined for arrays. What happens is that Javascript converts arrays into strings and concatenates those.   Update Since this question and consequently my answer is getting a lot of attention I felt it would be useful and relevant to have an overview about how the + operator behaves in general als...
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How can I parse a CSV string with JavaScript, which contains comma in data?

I have the following type of string 17 Answers 17 ...
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Is String.Format as efficient as StringBuilder

Suppose I have a stringbuilder in C# that does this: 12 Answers 12 ...
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String.equals versus == [duplicate]

This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working? ...
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Why does instanceof return false for some literals?

...eated from within Javascript. From the Mozilla API docs: var color1 = new String("green"); color1 instanceof String; // returns true var color2 = "coral"; color2 instanceof String; // returns false (color2 is not a String object) I can't find any way to construct primitive types with code, perhap...
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How to convert String to Long in Kotlin?

So, due to lack of methods like Long.valueOf(String s) I am stuck. 11 Answers 11 ...
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How do I create an array of strings in C?

I am trying to create an array of strings in C. If I use this code: 14 Answers 14 ...
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NSRange to Range

How can I convert NSRange to Range<String.Index> in Swift? 13 Answers 13 ...