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How do I determine k when using k-means clustering?
...ns: extending K-means with efficient estimation of the number of clusters" by Dan Pelleg and Andrew Moore in ICML 2000.
Another approach is to start with a large value for k and keep removing centroids (reducing k) until it no longer reduces the description length. See "MDL principle for robust ve...
What is the purpose of Looper and how to use it?
...n a lot of places but unable to understand its purpose. Can anyone help me by defining the purpose of Looper and also by giving a simple example if possible?
...
Fade/dissolve when changing UIImageView's image
...: there is a better solution from @algal below.
Another way to do this is by using predefined CAAnimation transitions:
CATransition *transition = [CATransition animation];
transition.duration = 0.25;
transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEa...
Get HTML Source of WebElement in Selenium WebDriver using Python
...m.getAttribute("innerHTML");
C#:
element.GetAttribute("innerHTML");
Ruby:
element.attribute("innerHTML")
JS:
element.getAttribute('innerHTML');
PHP:
$element->getAttribute('innerHTML');
Tested and works with the ChromeDriver.
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Visual Studio: Is there a way to collapse all items of Solution Explorer?
... know that I can use Arrow Keys to collapse items of solution explorer one by one, but I would like to know if there is a way to collapse all items with only one operation. I want to know it because, today I have a solution with 6 projects that have at least two hundred files and if I try to colla...
How can I remove the extension of a filename in a shell script?
...limiter (also known as separator) for cutting the string into segments and by -f we select which segment we want to have in output
Then the $() command substitution will get the output and return its value
The returned value will be assigned to the variable named name
Note that this gives the port...
server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
I can push by clone project using ssh, but it doesn't work when I clone project with https.
17 Answers
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Print only?
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this is by far the fastest and cleanest way, i wonder why this answer didn't get the most votes -.-
– Dany Khalife
Nov 6 '11 at 21:14
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Ruby on Rails Server options [closed]
The whole issue of setting up a development server for my Ruby on Rails application confuses me. There are WEBrick, Mongrel, Passenger, Apache, Nginx and many more I am sure, and I don't really understand the different roles they play.
...
Visibility of global variables in imported modules
... are global to a module, not across all modules. (Many people are confused by this, because in, say, C, a global is the same across all implementation files unless you explicitly make it static.)
There are different ways to solve this, depending on your actual use case.
Before even going down th...