大约有 22,000 项符合查询结果(耗时:0.0490秒) [XML]

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Using LINQ to concatenate strings

...question and is not intended for everyday use. Because this does not use a StringBuilder it will have horrible performance for very long sequences. For regular code use String.Join as shown in the other answer Use aggregate queries like this: string[] words = { "one", "two", "three" }; var res = w...
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Check if string contains only whitespace

How can I test if a string contains only whitespace? 11 Answers 11 ...
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Java: Get last element after split

I am using the String split method and I want to have the last element. The size of the Array can change. 12 Answers ...
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How to convert string to boolean php

How can I convert string to boolean ? 20 Answers 20 ...
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valueOf() vs. toString() in Javascript

In Javascript every object has a valueOf() and toString() method. I would have thought that the toString() method got invoked whenever a string conversion is called for, but apparently it is trumped by valueOf(). ...
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How do I truncate a .NET string?

I would like to truncate a string such that its length is not longer than a given value. I am writing to a database table and want to ensure that the values I write meet the constraint of the column's datatype. ...
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Java: convert List to a String

...this without any third party library. If you want to join a Collection of Strings you can use the new String.join() method: List<String> list = Arrays.asList("foo", "bar", "baz"); String joined = String.join(" and ", list); // "foo and bar and baz" If you have a Collection with another typ...
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Access string.xml Resource File from Java Android Code

How do you access the values in the res/values/string.xml resource file from the Android Activity class ? 5 Answers ...
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How to check whether a string contains a substring in Ruby

I have a string variable with content: 9 Answers 9 ...
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PHP - How to check if a string contains a specific text [duplicate]

... @Blender sorry, you're right. I was thinking of the .NET String.IndexOf which returns -1 in event of a non-match. I've corrected my answer. – Dai Mar 9 '13 at 1:54 ...