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How do you calculate the average of a set of circular data? [closed]
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102
Compute unit vectors from the angles and take the angle of their average.
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How do I interpret precision and scale of a number in a database?
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406
Numeric precision refers to the maximum number of digits that are present in the number.
ie 1...
Rails detect if request was AJAX
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edited Jul 10 '15 at 16:46
answered Nov 22 '11 at 1:08
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Convert a byte array to integer in Java and vice versa
...rticular, the ByteBuffer. It can do all the work for you.
byte[] arr = { 0x00, 0x01 };
ByteBuffer wrapped = ByteBuffer.wrap(arr); // big-endian by default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
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Making heatmap from pandas DataFrame
...5, 4)), index=index, columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.index), 1), df.index)
plt.xticks(np.arange(0.5, len(df.columns), 1), df.columns)
plt.show()
This gives:
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What's quicker and better to determine if an array key exists in PHP?
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10 Answers
10
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Turn Pandas Multi-Index into column
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edited Oct 21 '14 at 21:02
Will
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answered Sep 8...
How to specify Composer install path?
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140
It seems that you can define the vendor dir to be something else (plugins in your case):
{
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How do android screen coordinates work?
...t maxX= mdisp.getWidth();
int maxY= mdisp.getHeight();
(x,y) :-
1) (0,0) is top left corner.
2) (maxX,0) is top right corner
3) (0,maxY) is bottom left corner
4) (maxX,maxY) is bottom right corner
here maxX and maxY are screen maximum height and width in pixels, which we have retrieved i...
What ports does RabbitMQ use?
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edited Sep 19 '14 at 18:00
Eric Leschinski
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