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Pandas DataFrame column to list [duplicate]

... You can use the Series.to_list method. For example: import pandas as pd df = pd.DataFrame({'a': [1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9], 'b': [3, 5, 6, 2, 4, 6, 7, 8, 7, 8, 9]}) print(df['a'].to_list()) Output: [1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9] To drop duplicates y...
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Android Studio - Where can I see callstack while debugging an android app?

... At the bottom panel you should have "5: Debug". Click on it and select "Debugger -> Threads" You may need to find the "Threads" icon on the far right, or even click the "Restore Layout" button on the left to restore this window. ...
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is of a type that is invalid for use as a key column in an index

... A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be: create table [misc_info] ( [id] INTEGER PRIMARY KEY IDENTITY NOT NULL, [key] nvarchar(450) UNIQUE NOT NULL, [v...
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Using pickle.dump - TypeError: must be str, not bytes

I'm using python3.3 and I'm having a cryptic error when trying to pickle a simple dictionary. 2 Answers ...
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Why can lambdas be better optimized by the compiler than plain functions?

In his book The C++ Standard Library (Second Edition) Nicolai Josuttis states that lambdas can be better optimized by the compiler than plain functions. ...
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Caveats of select/poll vs. epoll reactors in Twisted

Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p

I'm using SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am executing the options … ...
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Rebase feature branch onto another feature branch

... the branch is not fully merged. I assume I can safely ignore this message and force the delete? – Arjen Feb 15 '13 at 11:28 13 ...
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sed beginner: changing all occurrences in a folder

I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that? ...
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What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?

...ge order of the modifiers is mentioned in the Java Language Specification (and not the Java Virtual Machine Specification) e.g. for class modifiers you will find the following definition (extract): ClassModifiers: ClassModifier ClassModifiers ClassModifier ClassModifier: one of Annotat...