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Android draw a Horizontal line between views
...on https://developer.android.com/reference/android/support/v4/widget/Space.html
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What is the difference between up-casting and down-casting with respect to class variable
... a type check and can throw a ClassCastException.
In your case, a cast from a Dog to an Animal is an upcast, because a Dog is-a Animal. In general, you can upcast whenever there is an is-a relationship between two classes.
Downcasting would be something like this:
Animal animal = new Dog();
Dog c...
What is the difference between Linq to XML Descendants and Elements
I have came across both these keywords in the VS IntelliSense. I tried to googling the difference between them and did not get a clear answer. Which one of these have the best performance with small to medium XML files. Thanks
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Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
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How do I run all Python unit tests in a directory?
I have a directory that contains my Python unit tests. Each unit test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have fail...
Disabling Minimize & Maximize On WinForm?
WinForms have those three boxes in the upper right hand corner that minimize, maximize, and close the form. What I want to be able to do is to remove the minimize and maximize, while keeping the close.
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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
Should I define a separate index on the email column (for searching purposes), or is the index is "automatically" added along with UNIQ_EMAIL_USER constraint?
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Window Height=“Auto” not working as expected
What I am trying to do is show a window, that does not explicitly have a height/width, (both values omitted or set to Auto ).
I was guessing that the window would find out its size by auto - calculating all contained usercontrols sizes, but this doesn't actually work!
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How do I make my string comparison case insensitive?
...ike these:
https://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html#equalsIgnoreCase(java.lang.String)
https://docs.oracle.com/javase/1.5.0/docs/api/
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How do I use IValidatableObject?
...IValidatableObject is used to validate an object in a way that lets one compare properties against each other.
7 Answers
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