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'Incomplete final line' warning when trying to read a .csv file into R
...t's impossible to recreate the error you get.
> Data <- read.table("test.csv",header=T,sep=",")
> Data <- read.table("test.xlsx",header=T,sep=",")
Warning message:
In read.table("test.xlsx", header = T, sep = ",") :
incomplete final line found by readTableHeader on 'test.xlsx'
readT...
Create directory if it does not exist
...ype Directory -Force -Path C:\Path\That\May\Or\May\Not\Exist
You can use Test-Path -PathType Container to check first.
See the New-Item MSDN help article for more details.
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OAuth: how to test with local URLs?
I am trying to test OAuth buttons, but they all (Facebook, Twitter, LinkedIn) come back with errors that seem to signal that I can not test or use them from a local URL.
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pytest: assert almost equal
How to do assert almost equal with py.test for floats without resorting to something like:
7 Answers
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What does the “===” operator do in Ruby? [duplicate]
...f === differs depending on type. For example:
(1...3) === 2
=> true
/test/ === "this is a test"
=> true
case 'test'
when /blah/
"Blach"
when /test/
"Test"
else
"Fail"
end
=> "Test"
Stephen, checkout http://ruby-doc.org/docs/ProgrammingRuby/ (the "Pickaxe"), it should be able to ...
if A vs if A is not None:
...summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool(); should return False or True, or their integer equivalents 0 or 1. When this method is not defined, __len__() is called, if it is defined, and the object is considered true if its res...
Learning Ant path style
...a path variable named "spring"
Some examples:
com/t?st.jsp - matches com/test.jsp but also com/tast.jsp or com/txst.jsp
com/*.jsp - matches all .jsp files in the com directory
com/**/test.jsp - matches all test.jsp files underneath the com path
org/springframework/**/*.jsp - matches all .jsp files...
What is a None value?
...lways returns something, even if it is only that one None object.
You can test for it explicitly:
if foo is None:
# foo is set to None
if bar is not None:
# bar is set to something *other* than None
Another use is to give optional parameters to functions an 'empty' default:
def spam(fo...
Add spaces before Capital Letters
...m not sure the acronyms part is correct when its turned OFF. I just ran a test "ASentenceABC" expands to "ASentence A B C". Should be "A Sentence A B C"
– Tim Rutter
Apr 12 at 7:25
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RSpec controller testing - blank response.body
I am stuck with a problem when testing my controllers with RSpec - the response.body call always returns an empty string. In browser everything renders correctly, and cucumber feature tests seem to get it right, but RSpec fails each and every time.
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