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Pandas convert dataframe to array of tuples
I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe.
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Is there a simple way to convert C++ enum to string?
...ample code produces:
<GCC_XML>
<Namespace id="_1" name="::" members="_3 " mangled="_Z2::"/>
<Namespace id="_2" name="std" context="_1" members="" mangled="_Z3std"/>
<Enumeration id="_3" name="MyEnum" context="_1" location="f0:1" file="f0" line="1">
<EnumValue na...
For i = 0, why is (i += i++) equal to 0?
Take the following code (usable as a Console Application):
24 Answers
24
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$(this).serialize() — How to add a value?
... data: $(this).serialize() + '&=NonFormValue' + NonFormValue,
you probably want
data: $(this).serialize() + '&NonFormValue=' + NonFormValue,
You should be careful to URL-encode the value of NonFormValue if it might contain any special characters.
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What is Weak Head Normal Form?
...e.
Normal form
An expression in normal form is fully evaluated, and no sub-expression could be evaluated any further (i.e. it contains no un-evaluated thunks).
These expressions are all in normal form:
42
(2, "hello")
\x -> (x + 1)
These expressions are not in normal form:
1 + 2 ...
Are tuples more efficient than lists in Python?
Is there any performance difference between tuples and lists when it comes to instantiation and retrieval of elements?
8 A...
Merge two branch revisions using Subversion
I'd like to merge all the changes that took place between rev 10 & the HEAD rev on http://url-of-branch-a and apply them to http://url-of-branch-b .
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How can I remove the first line of a text file using bash/sed script?
I need to repeatedly remove the first line from a huge text file using a bash script.
16 Answers
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Should __init__() call the parent class's __init__()?
I'm used that in Objective-C I've got this construct:
7 Answers
7
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What is a higher kinded type in Scala?
You can find the following on the web:
5 Answers
5
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