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How to split data into training/testing sets using sample function

...101) # Set Seed so that same sample can be reproduced in future also # Now Selecting 75% of data as sample from total 'n' rows of the data sample <- sample.int(n = nrow(data), size = floor(.75*nrow(data)), replace = F) train <- data[sample, ] test <- data[-sample, ] By using caTools pa...
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How to center a checkbox in a table cell?

... myTextEditBox </td> <td> <select size ="1" name="myTextEditBox_compare_operator"> <option value="=">equals</option> <option value="<>">does not equal</option> </select> ...
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]

...to do the same with Homebrew. MacPorts support groups. foo@macpro:~/ port select --summary Name Selected Options ==== ======== ======= db none db46 none gcc none gcc42 llvm-gcc42 mp-gcc48 none llvm none mp-llvm-3.3 none mys...
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How to calculate time in hours between two dates in iOS

...developer.apple.com/library/mac/navigation/ or if you are using Xcode just select help/documentation from the menu. See: how-to-convert-an-nstimeinterval-seconds-into-minutes --edit: See ÐąrέÐέvil's answer below for correctly handling daylight savings/leap seconds ...
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Can the :not() pseudo-class have multiple arguments?

I'm trying to select input elements of all type s except radio and checkbox . 5 Answers ...
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“User interaction is not allowed” trying to sign an OSX app using codesign

...ish agrawal! Login your build user via the GUI and open Keychain Access. Select your signing private key, right-click, choose Get Info, change to the Access Control tab and select the "Allow all applications to access this item". ...
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Postgres: “ERROR: cached plan must not change result type”

...ng this error. My application opened a database connection and prepared a SELECT statement for execution. Meanwhile, another script was modifying the database table, changing the data type of one of the columns being returned in the above SELECT statement. I resolved this by restarting the applic...
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Save all files in Visual Studio project as UTF-8

...inal reference being defaced by spam site. Short version: edit one file, select File -> Advanced Save Options. Instead of changing UTF-8 to Ascii, change it to UTF-8. Edit: Make sure you select the option that says no byte-order-marker (BOM) Set code page & hit ok. It seems to persist just...
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Why doesn't await on Task.WhenAll throw an AggregateException?

... Excellent clear answer, this should IMO be the selected one. – bytedev Feb 22 '18 at 17:16 3 ...
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How do you test private methods with NUnit?

... This should be the selected answer, as it is the only one which actually answers the question. – bavaza Dec 10 '13 at 16:04 ...