大约有 30,000 项符合查询结果(耗时:0.0438秒) [XML]

https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

Why can't I use switch statement on a String?

... Switch statements with String cases have been implemented in Java SE 7, at least 16 years after they were first requested. A clear reason for the delay was not provided, but it likely had to do with performance. Implementation in JDK 7 The featur...
https://stackoverflow.com/ques... 

Converting NSString to NSDate (and back again)

How would I convert an NSString like " 01/02/10 " (meaning 1st February 2010) into an NSDate ? And how could I turn the NSDate back into a string? ...
https://stackoverflow.com/ques... 

Check if string contains only whitespace

How can I test if a string contains only whitespace? 11 Answers 11 ...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

How to convert string to boolean php

How can I convert string to boolean ? 20 Answers 20 ...
https://stackoverflow.com/ques... 

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. ...
https://stackoverflow.com/ques... 

Fastest Way to Serve a File Using PHP

...rls (mod_rewrite on apache) Crypto functions (mcrypt php module) Multibyte string support (mbstring php module) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Mock vs MagicMock

...gic methods: >>> int(Mock()) TypeError: int() argument must be a string or a number, not 'Mock' >>> int(MagicMock()) 1 >>> len(Mock()) TypeError: object of type 'Mock' has no len() >>> len(MagicMock()) 0 And these which may not be as intuitive (at least not int...
https://stackoverflow.com/ques... 

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...