大约有 3,300 项符合查询结果(耗时:0.0412秒) [XML]

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What is Java String interning?

...; class Test { public static void main(String[] args) { String hello = "Hello", lo = "lo"; System.out.print((hello == "Hello") + " "); System.out.print((Other.hello == hello) + " "); System.out.print((other.Other.hello == hello) + " "); System.out.print((h...
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How to convert a string to lower or upper case in Ruby

...for changing the case of strings. To convert to lowercase, use downcase: "hello James!".downcase #=> "hello james!" Similarly, upcase capitalizes every letter and capitalize capitalizes the first letter of the string but lowercases the rest: "hello James!".upcase #=> "HELLO JAMES!"...
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How do I get the file name from a String containing the Absolute file path?

String variable contains a file name, C:\Hello\AnotherFolder\The File Name.PDF . How do I only get the file name The File Name.PDF as a String? ...
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How to index characters in a Golang string?

...refore, package main import "fmt" func main() { fmt.Println(string("Hello"[1])) // ASCII only fmt.Println(string([]rune("Hello, 世界")[1])) // UTF-8 fmt.Println(string([]rune("Hello, 世界")[8])) // UTF-8 } Output: e e 界 Read: Go Programming Language Specific...
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Merging: Hg/Git vs. SVN

...out cd svn-checkout mkdir trunk branches echo 'Goodbye, World!' > trunk/hello.txt svn add trunk branches svn commit -m 'Initial import.' svn copy '^/trunk' '^/branches/rename' -m 'Create branch.' svn switch '^/trunk' . echo 'Hello, World!' > hello.txt svn commit -m 'Update on trunk.' svn switc...
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Pointer expressions: *ptr++, *++ptr and ++*ptr

...ogram, as it's the simplest to explain. int main() { const char *p = "Hello"; while(*p++) printf("%c",*p); return 0; } The first statement: const char* p = "Hello"; declares p as a pointer to char. When we say "pointer to a char", what does that mean? It means that the valu...
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PHP Replace last occurrence of a String in a String?

... You could do this: $str = 'Hello world'; $str = rtrim($str, 'world') . 'John'; Result is 'Hello John'; Regards share | improve this answer ...
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JavaScript: Passing parameters to a callback function

...k) { callback (arguments[1], arguments[2]); } callbackTester (tryMe, "hello", "goodbye"); But otherwise, your example works fine (arguments[0] can be used in place of callback in the tester) share | ...
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How do I pass a method as a parameter in Python

... the method's (or function's) regular name: def method1(self): return 'hello world' def method2(self, methodToRun): result = methodToRun() return result obj.method2(obj.method1) Note: I believe a __call__() method does exist, i.e. you could technically do methodToRun.__call__(), but y...
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`

...s of Ruby code directly into your strings. name1 = "John" name2 = "Mary" "hello, #{name1}. Where is #{name2}?" You can also do format strings in Ruby. "hello, %s. Where is %s?" % ["John", "Mary"] Remember to use square brackets there. Ruby doesn't have tuples, just arrays, and those use squ...