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Formula to determine brightness of RGB color
...the only CORRECT algorithm for converting sRGB images, as used in browsers etc., to grayscale.
It is necessary to apply an inverse of the gamma function for the color space before calculating the inner product. Then you apply the gamma function to the reduced value. Failure to incorpor
IE10 renders in IE7 mode. How to force Standards mode?
...ore about these issues at the MSDN article Best Practice: Get your HEAD in order.
Adding the X-UA-Compatible header
If you are using .NET and IIS you can add this to the web.config, you could also do this programmatically:
<system.webServer>
<httpProtocol>
<customHeaders>...
Which is more efficient, a for-each loop, or an iterator?
....
the implementation of the iterator has to do at least 2 fields lookup in order to make hasNext() call figure the value: #1 get current count and #2 get total count
inside the body loop, there is another invokeInterface virtual call iter.next(so: go through all the classes and do method table looku...
HTML.ActionLink method
... object htmlAttributes)
ASP.NET MVC3+
arguments are in the same order as MVC2, however the id value is no longer required:
Html.ActionLink(article.Title,
"Item", // <-- ActionMethod
"Login", // <-- Controller Name.
new { article.A...
How to find all links / pages on a website
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Analyze audio using Fast Fourier Transform
...ut will be imaginary numbers even though your input is all real values. In order to get the amount of power in each frequency, you need to calculate the magnitude of the FFT coefficient for each frequency. This is not just the real component of the coefficient, you need to calculate the square root ...
What is the difference between javac and the Eclipse compiler?
...hen it worked smoothly! I found in Google that I had to upgrade the JDT in order to get the fix for that issue.
– Abel Morelos
Jun 18 '10 at 15:18
5
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Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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autolayout - make height of view relative to half superview height
...o get a view that at x1 and x2 = 25 but scales up with larger 6 and 6 plus etc
– latenitecoder
Jan 29 '15 at 22:22
1
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Run an OLS regression with Pandas Data Frame
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for other sklearn modules (decision tree, etc), I've used df['colname'].values, but that didn't work for this.
– szeitlin
Apr 29 '15 at 23:50
1
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