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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

... 119 I'd just use zip: In [1]: from pandas import * In [2]: def calculate(x): ...: return ...
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Get all child views inside LinearLayout at once

... | edited Jun 4 '17 at 16:53 Benny 1,09211 gold badge1313 silver badges2222 bronze badges answe...
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How to iterate over associative arrays in Bash

... 591 The keys are accessed using an exclamation point: ${!array[@]}, the values are accessed using ${...
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What is the difference between “px”, “dip”, “dp” and “sp”?

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How to create byte array from HttpPostedFile

... | edited May 5 '11 at 10:17 Robert MacLean 37.7k2424 gold badges9595 silver badges146146 bronze badges ...
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Algorithm to find Largest prime factor of a number

... 134 Actually there are several more efficient ways to find factors of big numbers (for smaller one...
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How do you run a command for each line of a file?

... 137 Read a file line by line and execute commands: 4 answers This is because there is not only 1 ...
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XML schema or DTD for logback.xml?

... | edited Jul 4 '17 at 10:25 answered Dec 24 '12 at 20:37 ...
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How to switch position of two items in a Python list?

... i = ['title', 'email', 'password2', 'password1', 'first_name', 'last_name', 'next', 'newsletter'] a, b = i.index('password2'), i.index('password1') i[b], i[a] = i[a], i[b] share ...
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switch() statement usage

... 120 Well, timing to the rescue again. It seems switch is generally faster than if statements. So t...