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In Scala, what exactly does 'val a: A = _' (underscore) mean?
What exactly does val a: A = _ initialize a value to? Is this a typed null? Thanks.
2 Answers
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
Android function View.setPadding(int left, int top, int right, int bottom) only accepts values in px but I want to set padding in dp. Is there any way around it?
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What's the difference of $host and $http_host in Nginx
In Nginx, what's the difference between variables $host and $http_host .
1 Answer
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Node JS Error: ENOENT
I'm following along with:
The Node Beginner Book
6 Answers
6
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Callback to a Fragment from a DialogFragment
...How does one create a callback from a DialogFragment to another Fragment. In my case, the Activity involved should be completely unaware of the DialogFragment.
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Get loop count inside a Python FOR loop
In a Python for loop that iterates over a list we can write:
5 Answers
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How do you perform a CROSS JOIN with LINQ to SQL?
How do you perform a CROSS JOIN with LINQ to SQL?
5 Answers
5
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Getting “unixtime” in Java
Date.getTime() returns milliseconds since Jan 1, 1970. Unixtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
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What is the mouse down selector in CSS?
I have noticed that buttons and other elements have a default styling and behave in 3 steps: normal view, hover/focus view and mousedown/click view, in CSS I can change the styling of normal view and hover view like this:
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Which access modifiers are implied when not specified?
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Everything in a class is public if not specified. Everything in a module is private unless export keyword is used.
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