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How to check if std::map contains a key without doing insert?

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What's the difference between `1L` and `1`?

I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code? ...
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iOS difference between isKindOfClass and isMemberOfClass

... answered Sep 6 '10 at 19:43 Sebastian CelisSebastian Celis 11.9k66 gold badges3232 silver badges4444 bronze badges ...
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How can I determine the direction of a jQuery scroll event?

... | edited Mar 21 '13 at 17:50 user372743 answered Dec 1 '10 at 17:04 ...
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How do I determine height and scrolling position of window in jQuery?

... | edited Apr 6 '17 at 18:35 Michał Perłakowski 63.1k2121 gold badges133133 silver badges148148 bronze badges ...
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Check if a string contains a substring in SQL Server 2005, using a stored procedure

..._Unbeliever 214k1919 gold badges289289 silver badges387387 bronze badges 2 ...
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What's the difference between dist-packages and site-packages?

... jterracejterrace 54.4k2020 gold badges135135 silver badges181181 bronze badges 25 ...
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printf format specifiers for uint32_t and size_t

...me as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases. I'm not entirely certain though. share | improve this answer | ...
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How To Check If A Key in **kwargs Exists?

Python 3.2.3. There were some ideas listed here , which work on regular var's, but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists? ...
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?

...ll. What in the world is going on? EDIT: It is answered below by the user "30thh". – anddero Mar 14 '19 at 17:35 ...