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What is “entropy and information gain”?
... splits with low uncertainty/entropy). This process is applied recursively from the root-node down, and stops when a leaf node contains instances all having the same class (no need to split it further).
Note that I skipped over some details which are beyond the scope of this post, including how to ...
Convert SVG image to PNG with PHP
... ie8 or lower without requiring the user to install an svg viewer plugin - from SVG Wikipedia page: "All major modern web browsers, support and render SVG markup directly with the very notable exception of Microsoft Internet Explorer (IE)[3] The Internet Explorer 9 beta supports the basic SVG featur...
JavaScript error (Uncaught SyntaxError: Unexpected end of input)
...use "pretty print". See the example screenshot below showing jquery.min.js from Stack Overflow nicely indented right from my browser :)
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How does a “stack overflow” occur and how do you prevent it?
...ur hands. You should look at your call graph (a tree structure that shows from your main what each function calls) to see how deep your function calls go, and to detect cycles and recursion that are not intended. Intentional cycles and recursion need to be artificially checked to error out if they...
What is ASP.NET Identity's IUserSecurityStampStore interface?
...es when it has changed. It also automatically refreshes the user's claims from the database every refreshInterval if the stamp is unchanged (which takes care of things like changing roles etc)
app.UseCookieAuthentication(new CookieAuthenticationOptions {
AuthenticationType = DefaultAuthenticat...
Best way to parse command-line parameters? [closed]
...tsbruce I just want to add to/modify your point--it would be most "proper" from a readability/maintainability to define listToOptionMap(lst:List[String]) with the function nextOption defined within that, with a final line saying return nextOption(Map(), lst). That said, I have to confess that I've ...
How to compare two dates?
...
Use the datetime method and the operator < and its kin.
>>> from datetime import datetime, timedelta
>>> past = datetime.now() - timedelta(days=1)
>>> present = datetime.now()
>>> past < present
True
>>> datetime(3000, 1, 1) < present
False
&g...
Creating an official github mirror
.... GitHub then configures an existing repository as such a mirror and pulls from it in an interval that is a function of the number of overall mirrors they have.
EDIT: as Stuart points out, GitHub no longer accepts requests for mirroring arbitrary repositories. The only remaining option is the solu...
git update-index --assume-unchanged on directory
... | xargs -0 git update-index --assume-unchanged
Edit: incorporated input from @MatthewScharley regarding git ls-files -z.
Windows Commands
Note: If you're on windows, use Git Bash to run these commands
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How to get the URL without any parameters in JavaScript?
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This is possible, but you'll have to build it manually from the location object:
location.protocol + '//' + location.host + location.pathname
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