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Use 'class' or 'typename' for template parameters? [duplicate]

...is no such rule. The rule is only about expressions that have a functional cast as the first subexpression. In your example, if T::A is a type, the construct T::A *obj is actually ambiguous in the current Standard (as it turned out when I discussed it with the core group some weeks ago). However sin...
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How do function pointers in C work?

... I like this answer but don't cast malloc – cat Sep 29 '16 at 14:41  |  show 2 more comments ...
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JavaScript function similar to Python range()

...like: if (stop === undefined) { 3 equals signs is compare without auto casting. compare as is also compare type. 2 equal signs is compare with auto casting to other side type. – Shimon Doodkin Mar 27 '18 at 12:48 ...
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Using scanf() in C++ programs is faster than using cin?

... also use cin.tie(static_cast<ostream*>(0)); for better performance – Mohamed El-Nakib Feb 5 '14 at 7:58 add a comment ...
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Remove underline from links in TextView - Android

... Not Working for me. It gives Class Cast Exception at Line Spannable s = (Spannable)textView.getText(); – Brijesh Thakur May 21 '13 at 11:42 ...
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How does a public key verify a signature?

...m trying to get a better grapple on how public/private keys work. I understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature. ...
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How to calculate a time difference in C++

...ow(); } double elapsed() const { return std::chrono::duration_cast<second_> (clock_::now() - beg_).count(); } private: typedef std::chrono::high_resolution_clock clock_; typedef std::chrono::duration<double, std::ratio<1> > second_; std::chrono...
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How do I add the contents of an iterable to a set?

... 150000)) def one_by_one(s, l): for i in l: s.add(i) def cast_to_list_and_back(s, l): s = set(list(s) + l) def update_set(s,l): s.update(l) results are: one_by_one 10.184448844986036 cast_to_list_and_back 7.969255169969983 update_set 2.212590195937082 ...
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Odd behavior when Java converts int to byte?

... often in books you will find the explanation of casting from int to byte as being performed by modulus division. this is not strictly correct as shown below what actually happens is the 24 most significant bits from the binary value of the int number are discarded leaving ...
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Notification passes old Intent Extras

i am creating a notification inside a BroadcastReceiver via this code: 6 Answers 6 ...