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Installing older version of R package
I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
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Pythonic way to create a long multi-line string
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I am getting following error: the backslash is redundant between brackets when I wrote in inside print()
– alper
May 25 at 19:35
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C++ Convert string (or char*) to wstring (or wchar_t*)
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Your question is underspecified. Strictly, that example is a syntax error. However, std::mbstowcs is probably what you're looking for.
It is a C-library function and operates on buffers, but here's an easy-to-use idiom, courtesy of TBohne (formerly Mooing Duck):
std::wstring ws(s.size(), L'...
What does the leading semicolon in JavaScript libraries do?
...; in front of immediately-invoked function expressions is there to prevent errors when appending the file during concatenation to a file containing an expression not properly terminated with a ;.
Best practice is to terminate your expressions with semicolons, but also use the leading semicolon as a...
How to get RGB values from UIColor?
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error: <EXPR>:3:1: error: 'CGColorGetComponents' has been replaced by property 'CGColor.components'
– pkamb
Dec 7 '18 at 1:44
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List OrderBy Alphabetical Order
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This answer demonstates most common error when using LINQ - methods like OrderBy do not modify list, but rather return new "collection" (usually lazy IEnumerable<T>) that need to be assigned to something.
– Alexei Levenkov
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What are the effects of exceptions on performance in Java?
...ken to unwind the and trace the stack, and secondarily the throwing of the error. I would have selected this as the final answer.
– Engineer
Aug 17 '12 at 12:55
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Get image data url in JavaScript?
... and un-multiplied.
All browsers and devices will have different rounding errors happening in this process
(see Canvas fingerprinting).
So if one wants a base64 version of an image file, they have to request it again (most of the time it will come from cache) but this time as a Blob.
Then you c...
Check if a string matches a regex in Bash script
...e your answer as it lets the date function deal with the dates and not the error-prone regexs'
– Ali
Feb 1 '17 at 1:38
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Best way to assert for numpy.array equality?
...s now my favorite since it allows us to specify both absolute and relative error and doesn't require decimal rounding as the closeness criterion.
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