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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
I've just recently switched to a Mac from Ubuntu. I was disappointed that mac doesn't have the convenient sudo apt-get in Ubuntu. I've heard that I should use homebrew but I'm not exactly sure what homebrew or macports does?
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Get visible items in RecyclerView
I need to know which elements are currently displayed in my RecyclerView. There is no equivalent to the OnScrollListener.onScroll(...) method on ListViews. I tried to work with View.getGlobalVisibleRect(...) , but that hack is too ugly and does not always work too.
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Difference between class and type
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A class is a type. An interface is a type. A primitive is a type. An array is a type.
Therefore, every type is also either a class (including an enum constant), an interface, a primitive, or an array.
There are two distinct categ...
Why are dates calculated from January 1st, 1970?
Is there any reason behind using date(January 1st, 1970) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard?
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window.onload vs document.onload
Which is more widely supported: window.onload or document.onload ?
9 Answers
9
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Determine if two rectangles overlap each other?
...ween 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
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Casting a variable using a Type variable
In C# can I cast a variable of type object to a variable of type T where T is defined in a Type variable?
12 Answers
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
Assuming that arraylist is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ?
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
...t> new_;
new_.swap(original);
}
That would work, but an easier way is
vector<int> new_(original);
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Invalidating JSON Web Tokens
...m thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
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