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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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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 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...
Solving “Who owns the Zebra” programmatically?
... problem.addConstraint(constraint, [v for v in variables if v in stmt])
and_statements = """
They drink coffee in the green house.
The man who smokes Pall Mall has birds.
The English man lives in the red house.
The Dane drinks tea.
In the yellow house they smoke Dunhill.
The man who smokes Blue M...
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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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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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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Change the Right Margin of a View Programmatically?
...ight, bottom
tv.setLayoutParams(params);
I can't test it right now, so my casting may be off by a bit, but the LayoutParams are what need to be modified to change the margin.
NOTE
Don't forget that if your TextView is inside, for example, a
RelativeLayout, one should use RelativeLayout.LayoutParam...
How to import data from mongodb to pandas?
...aFrame(list(cursor)). Pure db quering is much faster. Could we change list casting to something else?
– Peter.k
Jan 19 '19 at 19:53
1
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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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