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How does the algorithm to color the song list in iTunes 11 work? [closed]

...y discovered that the built-in Mathematica function DominantColors doesn't allow enough fine-grained control to approximate the algorithm that iTunes uses. I wrote my own function instead... A simple method to calculate the dominant color in a group of pixels is to collect all pixels into buckets ...
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How to use the IEqualityComparer

I have some bells in my database with the same number. I want to get all of them without duplication. I created a compare class to do this work, but the execution of the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec! ...
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Extending the User model with custom fields in Django

...ing the fields for additional information. This one-to-one model is often called a profile model, as it might store non-auth related information about a site user. That said, extending django.contrib.auth.models.User and supplanting it also works... Substituting a custom User model Some kinds of p...
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What's the best way to parse command line arguments? [closed]

... will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is also self-documenting in that you declare the help argument (which will be used when run with -h/--help) right there with the option. Usually you parse your...
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

... The compiler can't generally transform for (int c = 0; c < arraySize; ++c) if (data[c] >= 128) for (int i = 0; i < 100000; ++i) sum += data[c]; into for (int c = 0; c < arraySize; ++c) if (data[c] >= 12...
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How to determine CPU and memory consumption from inside a process?

... quite a while, perhaps I've been only a bit stupid...) Note: for clarity all error checking has been omitted from the following code. Do check the return codes...! Total Virtual Memory: #include "windows.h" MEMORYSTATUSEX memInfo; memInfo.dwLength = sizeof(MEMORYSTATUSEX); GlobalMemoryStatus...
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How do I write a short literal in C++?

...rt enough to compile this as if it's a short literal (i.e. it wouldn't actually allocate an int and then cast it every time). The following illustrates how much you should worry about this: a = 2L; b = 2.0; c = (short)2; d = '\2'; Compile -> disassemble -> movl $2, _a movl $2, _b m...
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javac not working in windows command prompt

... ah yes, all i had to do was re-open the command prompt and it worked fine, thanks! – Domenic Nov 5 '09 at 6:02 1 ...
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do N times (declarative syntax)

...based on Array.forEach, without any library, just native vanilla. To basically call something() 3 times, use: [1,2,3].forEach(function(i) { something(); }); considering the following function: function something(){ console.log('something') } The outpout will be something something somethi...
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Syntax Error: Not a Chance

...ng blocks by braces instead of indentation will never be implemented. Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division. So the line from __future__ import braces is taken to mean you want to enable ...