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Comma separator for numbers in R?
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135
You can try either format or prettyNum, but both functions return a vector of characters. I'd ...
Rotating a point about another point (2D)
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edited Oct 1 '19 at 9:16
twe4ked
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answered Feb 1...
How to get start and end of day in Javascript?
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answered Dec 26 '11 at 14:35
tvanfossontvanfosson
475k9191 gold badges672672 silver badges767767 bronze badges
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onTouchListener warning: onTouch should call View#performClick when a click is detected
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133
Here you go:
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction(...
How to calculate time in hours between two dates in iOS
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171
The NSDate function timeIntervalSinceDate: will give you the difference of two dates in second...
How to convert a NumPy array to PIL image applying matplotlib colormap
...irst ensure your NumPy array, myarray, is normalised with the max value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(n...
JavaScript - get the first day of the week from current date
...he fastest way to get the first day of the week. For example: today is the 11th of November, and a Thursday; and I want the first day of this week, which is the 8th of November, and a Monday. I need the fastest method for MongoDB map function, any ideas?
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Django - iterate number in for loop of a template
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631
Django provides it. You can use either:
{{ forloop.counter }} index starts at 1.
{{ forloop.co...
Determine distance from the top of a div to top of window with javascript
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241
You can use .offset() to get the offset compared to the document element and then use the scroll...