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Why do we need virtual functions in C++?
I'm learning C++ and I'm just getting into virtual functions.
26 Answers
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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Batch script: how to check for admin rights
How do I check if the current batch script has admin rights?
27 Answers
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What are the rules about using an underscore in a C++ identifier?
It's common in C++ to name member variables with some kind of prefix to denote the fact that they're member variables, 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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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
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使用 MIT App Inventor 控制低功耗蓝牙设备
本文介绍了用于低功耗蓝牙 (BLE) 设备的 App Inventor 组件的初始设计和测试。
从家用电器到可穿戴配件，物联网设备的兴起导致对能够控...
To underscore or to not to underscore, that is the question
Are there any problems with not prefixing private fields with an underscore in C# if the binary version is going to be consumed by other framework languages? For example since C# is case-sensitive you can call a field "foo" and the public property "Foo" and it works fine.
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Traits in PHP – any real world examples/best practices? [closed]
...x and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc.
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How do you change Background for a Button MouseOver in WPF?
I have a button on my page with this XAML:
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ASP.NET Web Site or ASP.NET Web Application?
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Website:
The Web Site project is compiled on the fly. You end up with a lot more DLL files, which can be a pain. It also gives problems when you have pages or controls in one directory that need to reference pages and controls in another directory since the ot...
What do the terms “CPU bound” and “I/O bound” mean?
What do the terms "CPU bound" and "I/O bound" mean?
11 Answers
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