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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
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The tilde operator isn't actually part of jQuery at all - it's a bitwise NOT operator in JavaScript itself.
See The Great Mystery of the Tilde(~).
You are getting strange numbers in your experiments because you are performing a bitwise logical operation on an integer (which, for all I kn...
plot a circle with pyplot
... find a straight-forward description on how to draw a circle with matplotlib.pyplot (please no pylab) taking as input center (x,y) and radius r. I tried some variants of this:
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Do Java arrays have a maximum size?
Is there a limit to the number of elements a Java array can contain? If so, what is it?
9 Answers
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What does the keyword Set actually do in VBA?
Hopefully an easy question, but I'd quite like a technical answer to this!
7 Answers
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
... am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table:
14 Ans...
Understanding colors on Android (six characters)
...ing to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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MySQL: #126 - Incorrect key file for table
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Every Time this has happened, it's been a full disk in my experience.
EDIT
It is also worth noting that this can be caused by a full ramdisk when doing things like altering a large table if you have a ramdisk configured. You can temporarily comment out the r...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
I'm having a hard time wrapping my brain around PEP 380 .
8 Answers
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Fast permutation -> number -> permutation mapping algorithms
...'s say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
12 Answers
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How do you specify a byte literal in Java?
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You cannot. A basic numeric constant is considered an integer (or long if followed by a "L"), so you must explicitly downcast it to a byte to pass it as a parameter. As far as I know there is no shortcut.
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