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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?

... __date__ = "2011-11-17 Nov denis" # X sparse, any cdist metric: real app ? # centres get dense rapidly, metrics in high dim hit distance whiteout # vs unsupervised / semi-supervised svm #............................................................................... def kmeans( X, cen...
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How do I get the different parts of a Flask request's url?

...want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was requested. How do I get this information about a Flask request? ...
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Android: how to make keyboard enter button say “Search” and handle its click?

I can't figure this out. Some apps have a EditText (textbox) which, when you touch it and it brings up the on-screen keyboard, the keyboard has a "Search" button instead of an enter key. ...
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What is the __del__ method, How to call it?

...__ is a finalizer. It is called when an object is garbage collected which happens at some point after all references to the object have been deleted. In a simple case this could be right after you say del x or, if x is a local variable, after the function ends. In particular, unless there are circ...
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How to turn on/off ReactJS 'development mode'?

...ng a minified copy of the development build of React. When deploying React apps to production, make sure to use the production build which skips development warnings and is faster. See fb.me/react-minification for more details. react-dom, redux, react-redux behave similarly. Redux displays a warnin...
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How do I check if a string contains another string in Swift?

... Apple's documentation says: An NSRange structure giving the location and length in the receiver of the first occurrence of aString. Returns {NSNotFound, 0} if aString is not found or is empty (@""). So maybe just checking for...
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Trim trailing spaces in Xcode

...M wiki seemed to be invalid. Instead of placing the .xcplugin in ~/Library/Application Support/Developer/Shared/Xcode/Plug-ins (as per Google's instructions) I had to put it in /Applications/Xcode.app/Contents/PlugIns and restart Xcode. – Kristofer Sommestad Ma...
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Difference between objectForKey and valueForKey?

...orKey can be intensely slow - it's currently a major bottleneck in my iPad app, so slow that replacing it with a "standard" dictionary made the app noticeably faster. Something very wrong with KVC on iOS, and I'll never use it again - not worth the drop in performance, and having to re-write it the ...
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Detect Android phone via Javascript / jQuery

... The navigator.userAgent approach doesnt work on samsung galaxy devices. There's no 'Android' in the browser spec. – AsafK Feb 6 '14 at 0:18 ...
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How do I read configuration settings from Symfony2 config.yml?

... Rather than defining contact_email within app.config, define it in a parameters entry: parameters: contact_email: somebody@gmail.com You should find the call you are making within your controller now works. ...