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Best Practice: Initialize JUnit class fields in setUp() or at declaration?
Should I initialize class fields at declaration like this?
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Shall we always use [unowned self] inside closure in Swift
In WWDC 2014 session 403 Intermediate Swift and transcript , there was the following slide
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What does it mean to inflate a view from an xml file?
I am new to android development and keep coming across references to Inflating views from a layout xml file. I googled and searched the development guide but still wasn't able to pick up a sense for what it means. If someone could provide a very simple example, it'd be much appreciated.
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MIT vs GPL license [closed]
The MIT license is GPL-compatible. Is the GPL license MIT-compatible? i.e. I can include MIT-licensed code in a GPL-licensed product, but can I include GPL-licensed code in a MIT-licensed product?
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Adding new column to existing DataFrame in Python pandas
I have the following indexed DataFrame with named columns and rows not- continuous numbers:
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What is opinionated software?
I often see people saying that certain software is "very opinionated" or that Microsoft tends to write "un-opinionated" frameworks. What does this actually mean?
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How is OAuth 2 different from OAuth 1?
In very simple terms, can someone explain the difference between OAuth 2 and OAuth 1?
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Why doesn't Haskell's Prelude.read return a Maybe?
Is there a good reason why the type of Prelude.read is
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map function for objects (instead of arrays)
I have an object:
38 Answers
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pandas GroupBy columns with NaN (missing) values
I have a DataFrame with many missing values in columns which I wish to groupby:
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