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What is the difference between RDF and OWL? [closed]
...eb-fin/swlevels.png Just for reference.
– Timo Westkämper
May 16 '10 at 11:57
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One part of thi...
Saving an Object (Data persistence)
...Error though! so does cPickle, pickle and hickle.
– Färid Alijani
Oct 10 '19 at 7:45
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...baseio.com/posts/comments.json?shallow=true
– Osama Xäwãñz
Aug 12 '17 at 15:37
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What is “stdafx.h” used for in Visual Studio?
... Historical curiosity. The name of stdafx.h dates from around 1992, when MFC was called 'Application Framework Extensions' before its release. Visual Studio 2015 still defaults to the name ..
– kert
Jan 9 '16 at 20:28
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...pp Inventor 不包含复制文件的操作。幸运的是，由于 Taifun Bär（谢谢 Taifun！），有一个 App Inventor 扩展，它提供了一个带有 TaifunFile.copy 操作的组件 TaifunFile。可以从此处下载扩展。您应该在构建 Expeditions 和 Virtuality 演示之前安装...
Performance of foreach, array_map with lambda and array_map with static function
...ted Apr 2 '15 at 12:54
Michael Härtl
7,84455 gold badges2727 silver badges5353 bronze badges
answered Nov 8 '13 at 14:26
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What are the rules about using an underscore in a C++ identifier?
...riables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally.
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Understanding events and event handlers in C#
... for your event handler. (Stupidly, OnXXX is taken to mean 'handle XXX' in MFC, and 'raise XXX' in .net, and so now its meaning is unclear and confusing - see this post for details ). Preferred names would be RaiseXXX to raise events, and HandleXXX or Sender_XXX to for event handlers.
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When does invoking a member function on a null instance result in undefined behavior?
...ber that succeeding falls within the universe of "undefined"!
Microsoft's MFC function GetSafeHwnd actually relies on this behavior. I don't know what they were smoking.
If you're calling a virtual function, the pointer must be dereferenced to get to the vtable, and for sure you're going to get UB...
Why Qt is misusing model/view terminology?
...at they call "View". Over the years I have worked with these frameworks:
MFC
Qt
Swing
SWT
WPF with MVVM
If you compare how the terms "Model" and "View" are used in these frameworks, and what responsibilities the classes in the "View", the "Model", and the "Controller" (if there is one) have, you...