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Setting transparent images background in IrfanView
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elomage
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answered Jun 6 '13 at 15:32
Dmitry Vyprichenk...
How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to convert a table to a data frame
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324
I figured it out already:
as.data.frame.matrix(mytable)
does what I need -- apparently, th...
What exactly does git rebase --skip do?
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answered Mar 2 '12 at 19:36
knittlknittl
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Using GSON to parse a JSON array
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113
Problem is caused by comma at the end of (in your case each) JSON object placed in the array:
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git push to specific branch
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answered Oct 3 '13 at 8:36
Petr MensikPetr Mensik
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Track a new remote branch created on GitHub
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answered Jun 29 '12 at 13:33
maxmax
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How can I increment a char?
...ord('c') + 1
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>>> chr(ord('c') + 1)
'd'
>>>
Python 3.x makes this more organized and interesting, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're i...
How do I draw a grid onto a plot in Python?
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223
You want to use pyplot.grid:
x = numpy.arange(0, 1, 0.05)
y = numpy.power(x, 2)
fig = plt.figu...