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Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...his C# - F# example
C#:
public class Class1
{
public static void Foo(Func<object, string> f)
{
Console.WriteLine(f.Method.GetParameters()[0].Name);
}
}
F#:
Class1.Foo(fun yadda -> "hello")
Result:
"arg" is printed (not "yadda").
As a result, library designers sh...
How to hide Soft Keyboard when activity starts
...tension to hide keyboard
// In onResume, call this
myView.hideKeyboard()
fun View.hideKeyboard() {
val inputMethodManager = context.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
inputMethodManager.hideSoftInputFromWindow(windowToken, 0)
}
Alternatives based on use case:
f...
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网址：https://open.iot.10086.cn/
注册，及实名验证。https://baijiahao.baidu.com/s?id ... 0&wfr=spider&for=pc
非常的详细，就是我想要的步骤。
https://blog.csdn.net/xiaolong11 ... e/details/144806792
这个更详细。
Wrap long lines in Python [duplicate]
...
def fun():
print(('{0} Here is a really long '
'sentence with {1}').format(3, 5))
Adjacent string literals are concatenated at compile time, just as in C. http://docs.python.org/reference/lexical_analysis.html#st...
Difference between toFixed() and toPrecision()?
...rovides x total length." does not necessarily hold. Counter example: 0.00001234.toPrecision(3)
– djvg
Nov 28 '18 at 8:36
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Why can I use auto on a private type?
... // Not OK
Harry::LordVoldemort im_not_scared; // OK
return 0;
}
https://ideone.com/I5q7gw
Thanks to Quentin for reminding me of the Harry loophole.
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Access lapply index names inside FUN
Is there a way to get the list index name in my lapply() function?
12 Answers
12
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How to unit test a Node.js module that requires other modules and how to mock the global require fun
...mplements that one can look up the code in the "jest-runtime" package. See https://github.com/facebook/jest/blob/master/packages/jest-runtime/src/index.js#L734 for example, here they generate an "automock" of a module.
Hope that helps ;)
...
How to convert an int value to string in Go?
...f allocate one more object during conversion.
check the benchmark here: https://gist.github.com/evalphobia/caee1602969a640a4530
see https://play.golang.org/p/hlaz_rMa0D for example.
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impr...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...
The order of evaluation of subexpressions, including
the arguments of a function call and
operands of operators (e.g., +, -, =, * , /), with the exception of:
the binary logical operators (&& and ||),
the ternary conditional operator (?:), and
the comma operator (,)
is Unspecified
...