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Passing an array to a function with variable number of args in Swift
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You can cast the function:
typealias Function = [Int] -> Int
let sumOfArray = unsafeBitCast(sumOf, Function.self)
sumOfArray([1, 2, 3])
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How do I pass a class as a parameter in Java?
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public void callingMethod(Class neededClass) {
//Cast the class to the class you need
//and call your method in the class
((ClassBeingCalled)neededClass).methodOfClass();
}
To call the method, you call it this way:
callingMethod(ClassBeingCalled.class);
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glob exclude pattern
...t sets, but this kind of operation only works on sets, hence why neutrinus cast it. If you need it to remain a list, simply wrap the entire operation in a cast: list(set(glob("*")) - set(glob("eph")))
– Nathan Smith
Aug 10 '17 at 21:48
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
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@Dataknife More like it just does the casting for you. There are no generics types at runtime with either case, and the implementation of emptyList() internally contains the cast (with a suppression on unchecked too).
– Edwin Buck
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How to access random item in list?
...mString = strings.PickRandom();
If all you have is an ArrayList, you can cast it:
var strings = myArrayList.Cast<string>();
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How do you determine what SQL Tables have an identity column programmatically
...alue
, CASE
WHEN last_value < 0 THEN 100
ELSE (1 - CAST(last_value AS FLOAT(4)) / max_value) * 100
END AS [percentLeft]
, CASE
WHEN CAST(last_value AS FLOAT(4)) / max_value >= @threshold
THEN 'warning: approaching max limit'
ELSE 'ok...
How do I drag and drop files into an application?
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Is the (string[]) cast safe for any FileDrop-formatted drop? That is, is it possible to generate a FileDrop that will cause an illegal cast exception to string[]? I'm having trouble figuring that out from the docs.
– kd...
SQL error “ORA-01722: invalid number”
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Here's one way to solve it. Remove non-numeric characters then cast it as a number.
cast(regexp_replace('0419 853 694', '[^0-9]+', '') as number)
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DropDownList in MVC 4 with Razor
... If you defined the List in controller, Then you need in View to cast it , like this: @Html.DropDownListFor(model => model.model_year, ViewBag.Years as List<SelectListItem>, "-- Select Year --")
– Bashar Abu Shamaa
Feb 26 '16 at 19:23
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How to create a numpy array of all True or all False?
...TE: 16 January 2017
Since at least numpy version 1.12, full automatically casts results to the dtype of the second parameter, so we can just write:
numpy.full((2, 2), True)
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