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Covariance, Invariance and Contravariance explained in plain English?
...ring>();
will not compile in Java, but
Object[] objects = new String[1];
will.
Another example where the subtype relation matters is a method invocation expression:
result = method(a);
Informally speaking, this statement is evaluated by assigning the value of a to the method's first para...
Add a dependency in Maven
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139
You'll have to do this in two steps:
1. Give your JAR a groupId, artifactId and version and ad...
What does “1 line adds whitespace errors” mean when applying a patch?
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128
You don't need to care.
The warning enacts a standard of cleanliness of text files in regard ...
How do I remove lines between ListViews on Android?
...
12 Answers
12
Active
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How do android screen coordinates work?
...pSize.y;
EDIT:- ** **for devices supporting android api level older than 13. Can use below code.
Display mdisp = getWindowManager().getDefaultDisplay();
int maxX= mdisp.getWidth();
int maxY= mdisp.getHeight();
(x,y) :-
1) (0,0) is top left corner.
2) (maxX,0) is top right corner
...
Rails: create on has_one association
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123
First of all, here is how to do what you want:
@user = current_user
@shop = Shop.create(param...