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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
... approximately 0.632, provided that n is not too small, as explained here: https://stats.stackexchange.com/a/88993/16263
For a sample of n=250, the probability of an individual case being selected for a re-sample to 4 digits is 0.6329.
For a sample of n=20000, the probability is 0.6321.
...
Is there a command to refresh environment variables from the command prompt in Windows?
...
Here is what Chocolatey uses.
https://github.com/chocolatey/choco/blob/master/src/chocolatey.resources/redirects/RefreshEnv.cmd
@echo off
::
:: RefreshEnv.cmd
::
:: Batch file to read environment variables from registry and
:: set session variables to th...
How to convert a Title to a URL slug in jQuery?
...a look at this slug function to sanitize URLs, developed by Sean Murphy at https://gist.github.com/sgmurphy/3095196
/**
* Create a web friendly URL slug from a string.
*
* Requires XRegExp (http://xregexp.com) with unicode add-ons for UTF-8 support.
*
* Although supported, transliteration is d...
“Unknown provider: aProvider
...yeoman angular has also been updated to use ng-annotate as of this commit: https://github.com/yeoman/generator-angular/commit/3eea4cbeb010eeaaf797c17604b4a3ab5371eccb
However if you are using an older version of yeoman angular like me, just replace ng-min with ng-annotate in your package.json:
- ...
Facebook Architecture [closed]
...
http://developers.facebook.com/blog/post/358
You can use HipHop yourself:
https://github.com/facebook/hiphop-php/wiki
But if you ask me it's a very ambitious and probably time wasting task. Hiphop only supports so much, it can't simply convert everything to C++. So what does this tell us? Well, it...
How to enable C++11/C++0x support in Eclipse CDT?
...lr.com/post/36441490955/eclipse-mingw-builds
Thanks to the user Nobody at https://stackoverflow.com/a/13635080/1149664
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Null coalescing in powershell
...e version of PowerShell may come pre-installed on your system; if not, see https://github.com/powershell/powershell.
Per the documentation, the following operators are supported out-of-the-box in PowerShell 7.0:
Null-coalescing: ??
Null-coalescing assignment: ??=
Ternary: ... ? ... : ...
These ...
Specify an SSH key for git push for a given domain
...s") the IdentityFile option appends to the list of identities to try. See: https://serverfault.com/questions/450796/how-could-i-stop-ssh-offering-a-wrong-key/450807#450807
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How to set or change the default Java (JDK) version on OS X?
... #switches to java 1.7
$> jhome -v 1.6 #switches to java 1.6
ref: https://gist.github.com/kenglxn/1843d552dff4d4233271
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How to use UIScrollView in Storyboard
...o work in iOS7 and Auto-layout in iOS 7 and XCode 5.
In addition to this: https://stackoverflow.com/a/22489795/1553014
Apparently, all we need to do is:
Set all constraints to Scroll View (i.e. fix scroll view first)
Then set distance-from-scrollView constraint to the bottom most item to scroll ...