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Cluster analysis in R: determine the optimal number of clusters

...lidean", method = "kmeans", min.nc=2, max.nc=15, index = "alllong", alphaBeale = 0.1) hist(nb$Best.nc[1,], breaks = max(na.omit(nb$Best.nc[1,]))) # Looks like 3 is the most frequently determined number of clusters # and curiously, four clusters is not in the output at all! If yo...
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How to set an “Accept:” header on Spring RestTemplate request?

...ntHttpRequestInterceptor ourselves. I think it should be moved into spring-web. – whistling_marmot Aug 3 '17 at 13:27 2 ...
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PDOException “could not find driver”

... Note that, for those using Apache or other web server, one needs to restart Apache for the changes to take effect: sudo systemctl restart httpd.service – Mugoma J. Okomba Aug 31 '16 at 5:31 ...
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How to trim a string to N chars in Javascript?

...s stored in a GitHub repository." source: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… .substring - limits to the length you need If you choose to add ellipses, append them to the output. I gave 4 examples of common JavaScript usages. I highly recommend using the String prototyp...
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Window vs Page vs UserControl for WPF navigation?

...at you can add to your UI the same way you would add any other control. Usually I create a UserControl when I want to build in some custom functionality (for example, a CalendarControl), or when I have a large amount of related XAML code, such as a View when using the MVVM design pattern. When navi...
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XSD: What is the difference between xs:integer and xs:int?

... XSD processor, this is true but misleading: it's not an XSD processor at all. – C. M. Sperberg-McQueen Feb 12 '15 at 16:56 8 ...
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Example using Hyperlink in WPF

... If you want your application to open the link in a web browser you need to add a HyperLink with the RequestNavigate event set to a function that programmatically opens a web-browser with the address as a parameter. <TextBlock> <Hyperlink NavigateUri="h...
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Is jQuery “each()” function synchronous?

... Yes, the jQuery each method is synchronous. Nearly ALL JavaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers. Your problem is probably somewhere else in your code. ...
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How to do stateless (session-less) & cookie-less authentication?

...ry request to authenticate the user. This, in my opinion, is unsafe, especially if the application isn't single page. It is also not scalable, especially if you want to add authorization to your app in addition to authentication in the future (although I guess you could build something based on logi...
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What are the obj and bin folders (created by Visual Studio) used for?

...ich are compiled binary files that haven't been linked yet. They're essentially fragments that will be combined to produce the final executable. The compiler generates one object file for each source file, and those files are placed into the obj folder. The bin folder holds binary files, which are ...