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Why would anybody use C over C++? [closed]

...en asked for, it is otherwise the same as C. (virtual, try/throw, dynamic_cast). Much of the overhead only shows in program image size. – Zan Lynx Feb 3 '09 at 1:41 ...
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R - Concatenate two dataframes?

... Nice. I just wanted to post the same answer :-) . One improvement: @Anton casted the NA to double in his answer. It would be nice when the type of the new column was the same type as the existing column in the other data frame. Maybe via mode(d2[d2.add[i]]) <- mode(d1[d2.add[i]]). But I am not s...
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What are attributes in .NET?

... ECMMainPageDisplay::ControlDescriptionAttribute ^description = safe_cast <ECMMainPageDisplay::ControlDescriptionAttribute ^> (attribute); // get the name and description and create an entry in the list ListViewItem ^item = gcnew ListViewItem (description->Name); i...
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How to convert a string to integer in C?

... @chux thanks! Can you explain a bit more why the (unsigned char) cast could make a difference? – Ciro Santilli 郝海东冠状病六四事件法轮功 May 30 '16 at 13:00 ...
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How to print a date in a regular format?

...isplay them, just use str(). In Python, the good practice is to explicitly cast everything. So just when it's time to print, get a string representation of your date using str(date). One last thing. When you tried to print the dates, you printed mylist. If you want to print a date, you must print th...
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Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?

...wCell = sender as? UITableViewCell { // do something }. If sender can't be cast to a UITableViewCell, "do something" won't execute. – mbeaty Mar 4 '15 at 3:23 add a comment ...
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How do I determine the size of my array in C?

...pe name. This is easy to remember, since it makes the argument look like a cast expression, which also uses parenthesis. So: If you have the following: int myArray[10]; You can find the number of elements with code like this: size_t n = sizeof myArray / sizeof *myArray; That, to me, reads a l...
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How to use C++ in Go

... to the bridge's implementation Foo* AsFoo(void* foo) { return reinterpret_cast<Foo*>(foo); } void LIB_DestroyFoo(void* foo) { std::cout << "[c++ bridge] LIB_DestroyFoo(" << foo << ")" << std::endl; AsFoo(foo)->~Foo(); } int LIB_FooValue(void* foo) { std::cou...
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what is the difference between sendStickyBroadcast and sendBroadcast in Android

What is the difference between sendStickyBroadcast and sendBroadcast in Android? 3 Answers ...
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libpthread.so.0: error adding symbols: DSO missing from command line

...security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers -Wno-override-init \ -g -O2 -export-dynamic -o utilities/ovs-dpctl utilities/ovs-dpctl.o \ lib/libopenvs...