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How to sort my paws?

...nts where it did work to build up a training dataset (of ~2000 paw impacts from ~30 different dogs) to recognize which paw is which, and the problem reduces to a supervised classification (With some additional wrinkles... Image recognition is a bit harder than a "normal" supervised classification pr...
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How to apply multiple styles in WPF

...post here WPF and Silverlight both offer the ability to derive a Style from another Style through the “BasedOn” property. This feature enables developers to organize their styles using a hierarchy similar to class inheritance. Consider the following styles: <Style TargetType="Button" x:K...
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Can I export a variable to the environment from a bash script without sourcing it?

... variable: . ./export.bash or source ./export.bash Now when echoing from main shell it works echo $VAR HELLO, VARABLE We will now reset VAR export VAR="" echo $VAR Now we will execute a script to source the variable then unset it : ./test-export.sh HELLO, VARABLE -- . the code: cat...
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Get domain name from given url

...e using InternetDomainName.topPrivateDomain() in Guava: InternetDomainName.from(new URL(url).getHost()).topPrivateDomain().toString() Given http://www.google.com/blah, that will give you google.com. Or, given http://www.google.co.mx, it will give you google.co.mx. As Sa Qada commented in another a...
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How to remove all null elements from a ArrayList or String Array?

...use of brevity, but because it's more expressive. You can almost read it: "From tourists, remove if object is null". Also, the old way is creating a new collection with a single null object, and then asking to remove the contents of a collection from the other. Seems a bit of a hack, don't you think...
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What's the difference between ViewData and ViewBag?

...e you are blaming microsoft? If no viewdata how could we bind dropdownlist from model. (I don't think using selectlist inside model would be a good idea) – Subin Jacob Nov 13 '13 at 10:46 ...
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Remove duplicate values from JS array [duplicate]

...bout types (e.g. it's always numbers), this solution is optimal. The best from two worlds A universal solution combines both approaches: it uses hash lookups for primitives and linear search for objects. function uniq(a) { var prims = {"boolean":{}, "number":{}, "string":{}}, objs = []; ...
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Best practices for in-app database migration for Sqlite

...Update the database in several steps, applying the changes necessary to go from version 1 to version 2, then version 2 to version 3, etc... until it is up to date. An easy way to do this is to have a switch statement where each "case" statement updates the database by one version. You "switch" to ...
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Bash: infinite sleep (infinite blocking)

... documented in a separate answer. To summarize: infinity is converted in C from "string" to a double. Then that double is truncated to the maximum values allowed timespec, which means a very large amount of seconds (architecture-dependant) but, in theory, finite. – jp48 ...
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How to compare two colors for similarity/difference

...b of telling you how different they will be PERCEIVED. Human eyes are far from perfect: we're more sensitive to green than red or blue, our brightness perception is logrithmic, etc. OP never specified which s/he wants; but see here for an algorithm specially-tailored for human sight. ...