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not None test in Python [duplicate]
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1033
if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set ...
Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
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1 Answer
1
Active
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Matplotlib Legends not working
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165
You should add commas:
plot1, = plt.plot(a,b)
plot2, = plt.plot(a,c)
The reason you need th...
Difference between application/x-javascript and text/javascript content types
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edited Nov 25 '15 at 7:23
Ry-♦
192k4444 gold badges392392 silver badges403403 bronze badges
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Creating Threads in python
...tion(arg):
for i in range(arg):
print("running")
sleep(1)
if __name__ == "__main__":
thread = Thread(target = threaded_function, args = (10, ))
thread.start()
thread.join()
print("thread finished...exiting")
Here I show how to use the threading module to creat...
Shading a kernel density plot between two points.
... the quantile values to get the actual (x,y) pairs.
Edit: Here you go:
x1 <- min(which(dens$x >= q75))
x2 <- max(which(dens$x < q95))
with(dens, polygon(x=c(x[c(x1,x1:x2,x2)]), y= c(0, y[x1:x2], 0), col="gray"))
Output (added by JDL)
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How to find out which view is focused?
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113
Call getCurrentFocus() on the Activity.
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Inspecting standard container (std::map) contents with gdb
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answered Jan 9 '09 at 10:31
jpalecekjpalecek
43.8k66 gold badges9292 silver badges136136 bronze badges
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How to get the class of the clicked element?
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edited Oct 11 '13 at 10:41
answered Jun 8 '09 at 10:07
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Use images instead of radio buttons
...ing the <i> element and the :after pseudo:
body{color:#444;font:100%/1.4 sans-serif;}
/* CUSTOM RADIO & CHECKBOXES
http://stackoverflow.com/a/17541916/383904 */
.rad,
.ckb{
cursor: pointer;
user-select: none;
-webkit-user-select: none;
-webkit-touch-callout: none;
}
.rad ...