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Numpy: Get random set of rows from 2D array

...st, but this is what works best for me: A[np.random.choice(A.shape[0], num_rows_2_sample, replace=False)] change the replace=False to True to get the same thing, but with replacement. share | im...
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Min/Max-value validators in asp.net mvc

...MaxValueAttribute : ValidationAttribute { private readonly int _maxValue; public MaxValueAttribute(int maxValue) { _maxValue = maxValue; } public override bool IsValid(object value) { return (int) value <= _maxValue; ...
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Difference between map and collect in Ruby?

I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails? ...
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Interface/enum listing standard mime-type constants

...mons, jax, jboss, javax) for an interface or enum that lists the values of all the standard mime-type (aka content-type). 1...
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How to find server name of SQL Server Management Studio

...re was an option to create servers as well. Now it's working. Microsft, ¯\_(ツ)_/¯ – adiga Jan 3 '18 at 7:05 ...
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Is there any way to post events to Google Analytics via server-side API? [closed]

... $aParams['qt'] = 0; //Client ID $aParams['cid'] = substr(md5($_SERVER['REMOTE_ADDR'].$_SERVER['HTTP_USER_AGENT']), 0, 8); //User ID //$aParams['uid'] = ''; //Session Control //$aParams[''] = ''; //IP Override $aParams['uip'] = $_SERVER['REMOTE_ADDR']; //U...
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Rake just one migration

...n a single migration that changed and needed to be re-run independently of all other migrations. Fire up the console and do this: >> require 'db/migrate/your_migrations.rb' => ["YourMigrations"] >> YourMigrations.up => etc... as the migration runs >> YourMigration.down Mor...
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Send POST data on redirect with JavaScript/jQuery? [duplicate]

Basically what I want to do is send POST data when I change the window.location , as if a user has submitted a form and it went to a new page. I need to do it this way because I need to pass along a hidden URL, and I can’t simply place it in the URL as a GET for cosmetic reasons. ...
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Looping over arrays, printing both index and value

...., not splitting them on whitespace. If foo=(x 'y z'), then f "${foo[@]}" calls f with two arguments, x and 'y z'. Metadata queries like "${!foo[@]}" and "${#foo[@]}" similarly act on foo as an array. – BallpointBen Sep 5 '18 at 1:23 ...
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How to use java.net.URLConnection to fire and handle HTTP requests?

... First a disclaimer beforehand: the posted code snippets are all basic examples. You'll need to handle trivial IOExceptions and RuntimeExceptions like NullPointerException, ArrayIndexOutOfBoundsException and consorts yourself. Preparing We first need to know at least the URL and the c...