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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable:
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How to make button look like a link?
I need to make a button look like a link using CSS. The changes are done but when I click on it, it shows as if it's pushed as in a button. Any idea how to remove that, so that the button works as a link even when clicked?
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How can I do DNS lookups in Python, including referring to /etc/hosts?
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6 Answers
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Peak signal detection in realtime timeseries data
Update: The best performing algorithm so far is this one .
33 Answers
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
what does -webkit-transform: translate3d(0,0,0); exactly do?
Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically.
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Naming returned columns in Pandas aggregate function? [duplicate]
I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns.
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How to check whether a pandas DataFrame is empty?
How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty.
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Deleting DataFrame row in Pandas based on column value
I have the following DataFrame:
10 Answers
10
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Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
16
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Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
7
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