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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
I have a data.frame that looks like this.
6 Answers
6
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Microsoft.Office.Core Reference Missing
Using the example provided in codeproject I am struggling to work out where I can find the reference to the library Microsoft.Office.Core.
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What is the difference between GitHub and gist?
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answered Feb 1 '17 at 2:32
J.DoGJ.DoG
20922 silver badges33 bronze badges
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Customizing Bootstrap CSS template
I am just getting started with Bootstrap from Twitter and am wondering what the ‘best practices’ is for customization. I want to develop a system that will take advantage of all the power of a css template (Bootstrap or other), be completely (and easily) modifiable, be sustainable (ie – when t...
Basic HTTP authentication with Node and Express 4
...substring(splitIndex + 1)
// using shorter regex by @adabru
// const [_, login, password] = strauth.match(/(.*?):(.*)/) || []
Basic auth in one statement
...on the other hand, if you only ever use one or very few logins, this is the bare minimum you need: (you don't even need to parse the cr...
Given two directory trees, how can I find out which files differ by content?
...-dereference --new-file --no-ignore-file-name-case /dir1 /dir2 > dirdiff_1.txt
rsync --recursive --delete --links --checksum --verbose --dry-run /dir1/ /dir2/ > dirdiff_2.txt
The choice between them depends on the location of dir1 and dir2:
When the directories reside on two seperate drive...
What is the difference between window, screen, and document in Javascript?
I see these terms used interchangeably as the global environment for the DOM. What is the difference (if there is one) and when should I use each one?
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windows service vs scheduled task
... TimeSpan(0,2,0));
}
Source: http://tutorials.csharp-online.net/Creating_a_.NET_Windows_Service%E2%80%94Alternative_1%3a_Use_a_Separate_Thread (Dead Link)
I've been running lots of Windows Services like this for years and it works for me. I still haven't seen a recommended pattern that people ag...
How do you disable browser Autocomplete on web form field / input tag?
...e to do is generate a new name on every page load and save that name to a $_SESSION for future use: $_SESSION['codefield_name'] = md5(uniqid('auth', true));
– enchance
Nov 13 '11 at 9:03
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