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Why can outer Java classes access inner class private members?
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public static void main(String... args){
System.out.println("Hello :: "+mMember.x); ///not allowed
mMember.printInt(); // allowed
}
}
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Ruby on Rails production log rotation
...Logglier.new(<https://logs-01.loggly.com/inputs/inputkey>)
log.info("hello from logglier")
end
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Aligning textviews on the left and right edges in Android layout
...yout_height="wrap_content"
android:layout_weight="1"
android:text="Hello world" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_co...
How can I add a hint text to WPF textbox?
...you can add floating hint too :
<TextBox Width="150" Height="40" Text="hello" materialDesign:HintAssist.Hint="address" materialDesign:HintAssist.IsFloating="True"></TextBox>
i installed Material Design with Nuget Package there is installation guide in documentation link
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How can I find the method that called the current method?
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Hello, it's not C# 5, it is available in 4.5.
– AFract
Feb 16 '15 at 14:06
38
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App Inventor 2 UDP网络通信教程 - 发送和接收UDP数据包 · App Inventor 2 中文网
...RemoteAddress = "192.168.1.255"
UDP1.RemotePort = 50002
UDP1.SendText("HELLO_SUBNET")
}
多播（Multicast）
多播比广播更精确，只有加入特定多播组的设备才能收到数据。
⚠️ 注意：并非所有 UDP 扩展都支持多播。如果你的...
What is a daemon thread in Java?
... int count = 0;
while (true) {
System.out.println("Hello from Worker "+count++);
try {
sleep(5000);
} catch (InterruptedException e) {
// handle exception here
}
}
}
}
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Getting number of elements in an iterator in Python
...ty.count(i for i in range(500))
500
>>> def gen():
... yield 'hello'
... yield 'world'
>>> cardinality.count(gen())
2
The actual count() implementation is as follows:
def count(iterable):
if hasattr(iterable, '__len__'):
return len(iterable)
d = collecti...
Detect if Android device has Internet connection
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Hello, is it OK to use this practice in current apps?
– Slava Fomin II
Mar 9 '15 at 12:49
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Convert column classes in data.table
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Try this
DT <- data.table(X1 = c("a", "b"), X2 = c(1,2), X3 = c("hello", "you"))
changeCols <- colnames(DT)[which(as.vector(DT[,lapply(.SD, class)]) == "character")]
DT[,(changeCols):= lapply(.SD, as.factor), .SDcols = changeCols]
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