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What is the difference between ArrayList.clear() and ArrayList.removeAll()?

... e.remove() is way more complex! e.remove() also squares the complexity, just as c.contains(...) does. On an ArrayList, e.remove() calls ArrayList.remove(int index), which has to shift the remainder of the array over by one. ...
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Does anyone still use [goto] in C# and if so why? [closed]

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C++ Convert string (or char*) to wstring (or wchar_t*)

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Rails migration for change column

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What is the equivalent of the C# 'var' keyword in Java?

...example UserCollection collection = new userRepository.GetUsers(); rather more naturally turns into var users = userRepository.GetUsers();). If you think var is unclear it is just because unused to it. – Martin Odhelius Jul 6 '12 at 10:19 ...
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Programmatically Hide/Show Android Soft Keyboard [duplicate]

... </ScrollView> </LinearLayout> If you are looking for a more eloquent solution, I've found this question which might help you out, it is not as simple as the solution above but probably a better solution. I haven't tested it but it apparently works. I think it is similar to the so...
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How to convert std::string to NSString?

... [NSString stringWithUTF8String:mystring.c_str()] seems more appropriate, since the std::string is more likely coming from your own code, which is likely in UTF8. – cyrilchampier Nov 4 '12 at 15:16 ...
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How to linebreak an svg text within javascript?

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Submit form using a button outside the tag

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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]

...ng zero). The radix should therefore usually be specified explicitly, even more so when comparing it to the Number() function. – Lucero Aug 9 '13 at 11:33 ...