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Tool to convert Python code to be PEP8 compliant
...ed by autopep8.
As an example, I applied this technique to the pandas code base.
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How to remove last n characters from every element in the R vector
...of functions whose names are most consistent and descriptive than those in base R (in fact I always google for "how to get the number of characters in R" as I can't remember the name nchar()).
library(stringr)
str_sub(iris$Species, end=-4)
#or
str_sub(iris$Species, 1, str_length(iris$Species)-3)
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Is modern C++ becoming more prevalent? [closed]
... make C++ highly backwards compatible with C because of the huge installed base of C coders. Very similar to MS's successful strategy of always maintaining backwards compatibility with DOS. (See Raymond Chen's excellent blog for the often painful lengths they went to...)
– j_...
Why is Scala's immutable Set not covariant in its type?
EDIT : Re-written this question based on original answer
3 Answers
3
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How do I call setattr() on the current module?
...ted are not. The values I'm generating are always the same, and determined based on further "constants", to save on arithmetic and typing on my part.
– Matt Joiner
May 29 '10 at 5:20
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...ok up the specification for product codes and write the regular expression based on the specification, rather than trying to infer the regex from a limited set of sample product codes (regardless of whether a person or a program is trying to infer the regex).
– Jan Goyvaerts
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What's is the difference between train, validation and test set, in neural networks?
...et of data which you call the training data set. If you are using gradient based algorithm to train the network then the error surface and the gradient at some point will completely depend on the training data set thus the training data set is being directly used to adjust the weights. To make sure ...
Use a LIKE statement on SQL Server XML Datatype
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This is what I am going to use based on marc_s answer:
SELECT
SUBSTRING(DATA.value('(/PAGECONTENT/TEXT)[1]', 'VARCHAR(100)'),PATINDEX('%NORTH%',DATA.value('(/PAGECONTENT/TEXT)[1]', 'VARCHAR(100)')) - 20,999)
FROM WEBPAGECONTENT
WHERE COALESCE(PATINDEX(...
How are everyday machines programmed?
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Most of what you're talking about are embedded based systems where C is a luxury often not available. They don't have software in the traditional sense. Most of the time the software is written in C, assembly, or even machine code. C and ASM require compilers to be wri...
Convert a RGB Color Value to a Hexadecimal String
...tputs #0ff because &'ing the RGB value of Color.BLUE results in 256 in base 10, which is ff in hex). A fix is to use a while loop rather than an if statement when preprending zeroes.
– FThompson
May 19 '15 at 8:14
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