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Selecting multiple columns in a pandas dataframe
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18 Answers
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Active
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How to clear the canvas for redrawing
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1338
const context = canvas.getContext('2d');
context.clearRect(0, 0, canvas.width, canvas.height...
How to return a result (startActivityForResult) from a TabHost Activity?
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edited Aug 8 '11 at 22:06
Artem Russakovskii
19.7k1717 gold badges8686 silver badges114114 bronze badges
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Callback of .animate() gets called twice jquery
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163
animate calls its callback once for each element in the set you call animate on:
If suppli...
Get a random boolean in python?
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Adam's answer is quite fast, but I found that random.getrandbits(1) to be quite a lot faster. If you really want a boolean instead of a long then
bool(random.getrandbits(1))
is still about twice as fast as random.choice([True, False])
Both solutions need to import random
If utmost spe...
DefaultInlineConstraintResolver Error in WebAPI 2
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edited Jul 21 '17 at 21:00
BlackTigerX
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Convert hex color value ( #ffffff ) to integer value
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180
The real answer is to use:
Color.parseColor(myPassedColor) in Android, myPassedColor being th...
How to assign an exec result to a sql variable?
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100
I always use the return value to pass back error status. If you need to pass back one value I...
Make a div fill up the remaining width
...this:
<style>
#divMain { width: 500px; }
#left-div { width: 100px; float: left; background-color: #fcc; }
#middle-div { margin-left: 100px; margin-right: 100px; background-color: #cfc; }
#right-div { width: 100px; float: right; background-color: #ccf; }
</style>
<div...
matplotlib Legend Markers Only Once
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This should work:
legend(numpoints=1)
BTW, if you add the line
legend.numpoints : 1 # the number of points in the legend line
to your matplotlibrc file, then this will be the new default.
[See also scatterpoints, depending on your plot.]
API: L...