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Define all functions in one .R file, call them from another .R file. How, if possible?
How do I call functions defined in abc.R file in another file, say xyz.R?
1 Answer
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Is there a [Go to file…]?
...e name of this action is "Open Quickly..."
– Michal Gallovic
Apr 25 at 10:48
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Updating packages in Emacs
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In order to automatically update the list of packages, only if there is no package list already, use the following:
(when (not package-archive-contents)
(package-refresh-contents))
In order to update all installed packages, type package-li...
Why is using the rails default_scope often recommend against?
...to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true...
Unique combination of all elements from two (or more) vectors
I am trying to create a unique combination of all elements from two vectors of different size in R.
5 Answers
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All falsey values in JavaScript
...RemoteJob)
"", '' and `` - strings of length 0
null
undefined
NaN
document.all (in HTML browsers only)
This is a weird one. document.all is a falsey object, with typeof as undefined. It was a Microsoft-proprietory function in IE before IE11, and was added to the HTML spec as a "willful violation ...
Java8 Lambdas vs Anonymous classes
... been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to.
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What are all the possible values for HTTP “Content-Type” header?
...urce).
As you can see the list is way too big for you to validate against all of them. What you can do is validate against the general format and the type attribute to make sure that is correct (the set of options is small) and just assume that what follows it is correct (and of course catch any ex...
Memory footprint of Haskell data types
... GHC creates a single instance of these constructors and shares it amongst all uses.
A word is 4 bytes on a 32-bit machine, and 8 bytes on a 64-bit machine.
So e.g.
data Uno = Uno a
data Due = Due a b
an Uno takes 2 words, and a Due takes 3.
The Int type is defined as
data Int = I# Int#
no...
How can I make pandas dataframe column headers all lowercase?
I want to make all column headers in my pandas data frame lower case
5 Answers
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