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Formula to determine brightness of RGB color
...Note that both of these emphasize the physiological aspects: the human eyeball is most sensitive to green light, less to red and least to blue.
– Bob Cross
Feb 27 '09 at 19:28
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How do you convert a jQuery object into a string?
...est').clone()).html();
This is explained in more depth here, but essentially you make a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just after a string representation, then go with new String(obj).
Update
I wrote the original answer in 2...
How to build a framework or library for other developers, the secure way? [closed]
...:
Check out the link featherless added below -- it is much more recent and all on one page: http://github.com/jverkoey/iOS-Framework. It also lays out the issues with several other approaches. This is the guide I now follow when trying to remember what to do when setting up a new framework. :)
Updat...
How enable auto-format code for Intellij IDEA?
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Yes, but I would like this to happen automatically without any of pressing a hotkey.
– 0x131313
Jul 26 '13 at 11:40
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Callback of .animate() gets called twice jquery
Since I added some scrollTop -animation, some parts of my callback get called twice:
2 Answers
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How to assign an exec result to a sql variable?
How do you assign the result of an exec call to a variable in SQL? I have a stored proc called up_GetBusinessDay , which returns a single date.
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How to use “/” (directory separator) in both Linux and Windows in Python?
...llapses redundant uplevel references... i.e., A/B and A/foo/../B and A/./B all become A/B. And if you are Windows, these all become A\B.
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How to delete SQLite database from Android programmatically
...like to delete the database file from the Android file system programatically? Can I have a shell script launch adb which in turns runs a shell script in the Android space to do the database deletion? Can I get this done from within a JUnit test case (with a system() call)?
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What are important languages to learn to understand different approaches and concepts? [closed]
When all you have is a pair of bolt cutters and a bottle of vodka, everything looks like the lock on the door of Wolf Blitzer's boathouse. (Replace that with a hammer and a nail if you don't read xkcd)
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...hat everyone here talked about multiplying a float with a string (but here all my element were floats all along) so the problem was actually using the * operator on a list.
For example:
import math
import numpy as np
alpha = 0.2
beta=1-alpha
C = (-math.log(1-beta))/alpha
coff = [0.0,0.01,0.0,0.3...