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How do I convert a pandas Series or index to a Numpy array? [duplicate]
... Note: .values is deprecated, .to_numpy() is the suggested replacement if you want a NumPy array. Can you expand on This accesses how the data is already stored, so there's no need for a conversion?
– AMC
Jan 9 at 21:32
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Auto-loading lib files in Rails 4
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in lib/foo.rb:
class Foo
end
in lib/foo/bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patches in file like lib/extensions.rb, you may manually require it:
in config/initializers/require.rb:
require "#{Rails.root}/lib/extensions"
P.S.
Rails 3 Autoload Modules/Classes ...
Enums and Constants. Which to use when?
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What if you end up using .ToString() on the enum a lot, any value in using a class with const strings that looks and acts like an enum but circumvents a call to ToString()? Example
– Sinjai
J...
C++ convert vector to vector
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@MichaelGoldshteyn I don't understand - if you don't specify the size beforehand, then it will be resized automatically whenever the capacity is exceeded (which copies all the elements over and over again). Okay, this is amortized linear time, but I bet that's stil...
Eclipse/Java code completion not working
...m Vadim in this blog post " Content Assist Duplicates in Eclipse (Mylyn)":
if have duplicate Mylyn entries, uncheck the duplicate entries that do not contain "(Mylyn)" in their name)
The Eclipse help page defines the default list to restore:
Select the proposal kinds contained in the 'default' ...
What are the best use cases for Akka framework [closed]
... several parties, reliable backend systems. I'm not at liberty to give specifics on clients yet, when I do get the OK maybe it can be added as a reference.
Akka has really pulled through on those projects, even though we started when it was on version 0.7. (we are using scala by the way)
One of t...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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Display / print all rows of a tibble (tbl_df)
...pipe operator
df %>% tbl_df %>% print(n=40)
To print all rows specify tbl_df %>% print(n = Inf)
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Updating MySQL primary key
...is takes obviously depends on the size of your table.
The main problem is if you have some duplicates with the same timestamp.
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Abstract Class vs Interface in C++ [duplicate]
...does, but without the burden of COM infrastructure).
I'd use an interface if I want to define a set of rules using which a component can be programmed, without specifying a concrete particular behavior. Classes that implement this interface will provide some concrete behavior themselves.
Instead, ...