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C++ Redefinition Header Files (winsock2.h)
How do I prevent from including header files twice? The problem is I'm including the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
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Can I zip more than two lists together in Scala?
...._1))
}
For example:
combineLists(List(1, 2, 3), List(10,20), List(100, 200, 300))
// => List[List[Int]] = List(List(1, 10, 100), List(2, 20, 200))
The answer is truncated to the size of the shortest list in the input.
combineLists(List(1, 2, 3), List(10,20))
// => List[List[Int]] = List...
Key existence check in HashMap
...o the key (the name of the bank account). To add 2 transactions of 100 and 200 to checking_account you can write:
HashMap<String, ArrayList<Integer>> map = new HashMap<>();
map.computeIfAbsent("checking_account", key -> new ArrayList<>())
.add(100)
.add(200);
This...
Get DateTime.Now with milliseconds precision
...date time with milliseconds: var dt = new DateTime(2018, 5, 2, 19, 34, 55, 200); "{0:yyyyMMdd HH:mm:ss.fff}", dt -> 20180502 19:34:55.200 .Net compact framework, Windows Embedded Compact 7, on ARM Cortex-A8
– antonio
Feb 5 '18 at 11:23
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注C++内核技术
CGridCellNumeric - A numeric cell class for the MFC GridCGridCellNumeric-A-numeric-cell-class-for-the-MFC-GridA locale aware, editable, self validating numeric cell class for the MFC Grid. Configurable for integers, floating...A locale aware, editable, self validating numeric cell class for the MFC ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注C++内核技术
CGridCellNumeric - A numeric cell class for the MFC GridCGridCellNumeric-A-numeric-cell-class-for-the-MFC-GridA locale aware, editable, self validating numeric cell class for the MFC Grid. Configurable for integers, floating...A locale aware, editable, self validating numeric cell class for the MFC ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注C++内核技术
CGridCellNumeric - A numeric cell class for the MFC GridCGridCellNumeric-A-numeric-cell-class-for-the-MFC-GridA locale aware, editable, self validating numeric cell class for the MFC Grid. Configurable for integers, floating...A locale aware, editable, self validating numeric cell class for the MFC ...
const vs constexpr on variables
...mple a g++ extension for that), but that does not mean it's strictly legal C++ (though some more recent C or C++ standard made it legal, I forgot which one). As for differences in compiletime constants, template parameters and use as enum initializer are the only two notable differences between cons...
How to stretch the background image to fill a div
...size:100% 100%;
background-size:100% 100%;
height:180px;
width:200px;
border: 1px solid red;
}
Check this: http://jsfiddle.net/qdzaw/1/
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C++ where to initialize static const
...eturn 42; } class foo { static const int i = f(); /* Error! */ } Note that C++11 allows calling 'constexpr' functions: constexpr int f() { return 42; } class foo { static const int i = f(); /* Ok */ }
– squelart
Jul 21 '13 at 7:49
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