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What arguments are passed into AsyncTask?
I don't understand what I am supposed to put in here and where these arguments end up? What exactly should I put, and where exactly will it go? Do I need to include all 3 or can I include 1,2,20?
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How to sort an array of integers correctly
...lowest value from an array that I know will contain only integers seems to be harder than I thought.
25 Answers
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How to sort a dataframe by multiple column(s)
I want to sort a data.frame by multiple columns. For example, with the data.frame below I would like to sort by column z (descending) then by column b (ascending):
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Compare floats in php
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If you do it like this they should be the same. But note that a characteristic of floating-point values is that calculations which seem to result in the same value do not need to actually be identical. So if $a is a literal .17 and $b arrives there through a c...
Type-juggling and (strict) greater/lesser-than comparisons in PHP
...ggling. I must admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons.
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How to add to an existing hash in Ruby
...rds to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
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How can I sort arrays and data in PHP?
...HP?
How do I sort a complex array in PHP?
How do I sort an array of objects in PHP?
12 Answers
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How to copy Java Collections list
... ArrayList and I want to copy it exactly. I use utility classes when possible on the assumption that someone spent some time making it correct. So naturally, I end up with the Collections class which contains a copy method.
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What Content-Type value should I send for my XML sitemap?
I thought I should send "text/xml", but then I read that I should send "application/xml". Does it matter? Can someone explain the difference?
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What does 'super' do in Python?
What's the difference between:
10 Answers
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