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Java Class that implements Map and keeps insertion order?
...a Comparator or the natural Comparable ordering of the elements.
Since it doesn't have to keep the elements sorted, LinkedHashMap should be faster for most cases; TreeMap has O(log n) performance for containsKey, get, put, and remove, according to the Javadocs, while LinkedHashMap is O(1) for each....
how to get the host url using javascript from the current page
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Firefox 4 doesn't seem to have it, though Chrome 12 does. Is it defined in a specification?
– Delan Azabani
May 18 '11 at 8:46
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Regular expression for first and last name
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A-Z does not need to be included in the original example because the i modifier after the expression means ignore case.
– mhanney
Jul 21 '15 at 16:18
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Are static class variables possible in Python?
...tages of this approach over staticmethod. If you are too, then it probably doesn't matter.
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Changing a specific column name in pandas DataFrame
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A one liner does exist:
In [27]: df=df.rename(columns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e 5
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How can I convert this foreach code to Parallel.ForEach?
...f confused about Parallel.ForEach .
What is Parallel.ForEach and what does it exactly do?
Please don't reference any MSDN link.
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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@TuteC No it doesn't, it returns the first element too.
– Jan
Jul 9 '15 at 18:16
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Can I target all tags with a single selector?
...d". Even so, the Sass/LESS options give you extensibility that vanilla CSS does not. Think of something like font-size: (48px / @index).
– Steve
Jul 21 '16 at 15:24
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Circle-Rectangle collision detection (intersection)
... of the edges of the rectangle has a point in the circle.
Note that this does not require the rectangle to be axis-parallel.
(One way to see this: if none of the edges has a point in the circle (if all the edges are completely "outside" the circle), then the only way the circle can still inter...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...nimations.
This function uses Log Blending or Linear Blending. However, it does NOT convert to HSL to properly lighten or darken a color. Therefore, results from this function will differ from those much larger and much slower functions that use HSL.
jsFiddle with pSBC
github > pSBC Wiki
Featur...