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How to disallow temporaries
For a class Foo, is there a way to disallow constructing it without giving it a name?
10 Answers
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Difference between map, applymap and apply methods in Pandas
Can you tell me when to use these vectorization methods with basic examples?
10 Answers
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...ly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab.
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read.csv warning 'EOF within quoted string' prevents complete reading of file
I have a CSV file (24.1 MB) that I cannot fully read into my R session. When I open the file in a spreadsheet program I can see 112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning:
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Purpose of Python's __repr__
What is the significance/purpose of this method?
7 Answers
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Why are C++ inline functions in the header?
NB This is not a question about how to use inline functions or how they work, more why they are done the way they are.
8 An...
Where are my postgres *.conf files?
I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.con...
Can an ASP.NET MVC controller return an Image?
Can I create a Controller that simply returns an image asset?
19 Answers
19
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Loop through all nested dictionary values?
I'm trying to loop through a dictionary and print out all key value pairs where the value is not a nested dictionary. If the value is a dictionary I want to go into it and print out its key value pairs...etc. Any help?
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Why do people hate SQL cursors so much? [closed]
I can understand wanting to avoid having to use a cursor due to the overhead and inconvenience, but it looks like there's some serious cursor-phobia-mania going on where people are going to great lengths to avoid having to use one.
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