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Using emit vs calling a signal as if it's a regular function in Qt
... for the signal emitting function, which you can look at by inspecting the C++ code generated by moc.
For example a foo signal with no parameters generates this member function:
void W::foo()
{
QMetaObject::activate(this, &staticMetaObject, 0, 0);
}
And the code emit foo(); is pre-proces...
What does “S3 methods” mean in R?
...nction OO.
This is different from most programming languages, like Java, C++ and
C#, which implement message-passing OO. With message-passing, messages
(methods) are sent to objects and the object determines which function
to call. Typically, this object has a special appearance in the metho...
Please explain some of Paul Graham's points on Lisp
...apturing repeated patterns in macros in a far cleaner way than C macros or C++ templates, and manipulating code with the same core list operations that you use for data.
(4) taking C for example: the language is really two different sub languages: stuff like if() and while(), and the preprocessor. ...
Meaning of acronym SSO in the context of std::string
In a C++ question about optimization and code style , several answers referred to "SSO" in the context of optimizing copies of std::string . What does SSO mean in that context?
...
App Inventor 2 FTP 客户端拓展：FTP协议连接、上传、下载、创建、修改目录...
...：FTP协议连接、上传、下载、创建、修改目录等。
需要的权限点：READ_EXTERNAL_STORAGE 和 WRITE_EXTERNAL_STORAGE。
.aix 拓展下载：
cn.fun123.FTPClient.aix
属性
无
事件
Connected(result)
连接操作完...
Arduino 101 实验06 - 土壤湿度传感器，做一个浇水提醒 · App Inventor 2 中文网
...量百分比；土干到设定值以下时弹出浇水提醒。
这一篇的重点不是代码，是标定 —— 传感器给的是原始电压值，要先量出”干”和”湿”
两个端点，才能换算成有意义的百分比。这是所有模拟传感器的通用功课。
...
The new syntax “= default” in C++11
...
Even with C++14, I am getting different results: ideone.com/CQphuT
– Mayank Bhushan
Jul 21 at 5:46
add a comme...
What really is a deque in STL?
...
@stefaanv, @Konrad: C++ implementations I have seen used an array of pointers to fixed-size arrays. This effectively means that push_front and push_back are not really constant-times, but with smart growing factors, you still get amortized const...
ReSharper warns: “Static field in generic type”
...
I think the C++ name makes it clearest of all. In C++ they are called Templates, which is what they are, Templates for concrete classes.
– Michael Brown
Apr 6 '18 at 21:21
...
Large-scale design in Haskell? [closed]
... don't you have to do the same? I don't see how a language such as Java or C++ would help you in this regard. If you say that you can use some sort of common interface that both types obey then you should have been doing that with Typeclasses in Haskell.
– semicolon
...