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In R, how to get an object's name after it is sent to a function?
I am looking for the reverse of get() .
3 Answers
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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It means "equal to or greater than in the last digit", so e.g. ~> 2.3 means
"equal to 2.3 or greater than 2.3, but less than 3.0", while ~> 2.3.0 would
mean "equal to 2.3.0 or greater than 2.3.0, but less than 2.4.0".
You can pronounce i...
Regular Expression for alphanumeric and underscores
...if a string contains only upper and lowercase letters, numbers, and underscores.
19 Answers
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Read an Excel file directly from a R script
How can I read an Excel file directly into R? Or should I first export the data to a text- or CSV file and import that file into R?
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Does Java 8 provide a good way to repeat a value or function?
In many other languages, eg. Haskell, it is easy to repeat a value or function multiple times, eg. to get a list of 8 copies of the value 1:
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Question mark (?) in XML attributes for Android
...value in the currently applied theme. See the linuxtopia Android Dev Guide or the android.com Dev Guide for more about it.
\? escapes the question mark.
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Go: panic: runtime error: invalid memory address or nil pointer dereference
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According to the docs for func (*Client) Do:
"An error is returned if caused by client policy (such as CheckRedirect), or if there was an HTTP protocol error. A non-2xx response doesn't cause an error.
When err is nil, resp alw...
Subscripts in plots in R
I can't find a way how to write subscripts in the title or the subtitle in R.
How can I write v 1,2 with 1,2 as subscripts?
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Why is the String class declared final in Java?
...ed as immutable objects. You should read about immutability to understand more about it.
One advantage of immutable objects is that
You can share duplicates by pointing them to a single instance.
(from here).
If String were not final, you could create a subclass and have two strings that loo...
Using String Format to show decimal up to 2 places or simple integer
I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...