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How to assign from a function which returns more than one value?
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13 Answers
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How do I represent a hextile/hex grid in memory?
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Amit Patel has posted an amazing page on this topic. It's so comprehensive and wonderful that ...
Convert RGB to RGBA over white
I have a hex color, e.g. #F4F8FB (or rgb(244, 248, 251) ) that I want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
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How to get first character of a string in SQL?
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LEFT(colName, 1) will also do this, also. It's equivalent to SUBSTRING(colName, 1, 1).
I like LEFT, since I find it a bit cleaner, but really, there's no difference either way.
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SQL: capitalize first letter only [duplicate]
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Are you asking for renaming column itself or capitalise the data inside column? If its data yo...
Rotating a two-dimensional array in Python
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Consider the following two-dimensional list:
original = [[1, 2],
[3, 4]]
Lets break it down step by step:
>>> original[::-1] # elements of original are reversed
[[3, 4], [1, 2]]
This list is passed into zip() using argument unpacking, so the zip call ends...
Convert a row of a data frame to vector
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When you extract a single row from a data frame you get a one-row data frame. Convert it to a...
How do I use floating-point division in bash?
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Differences between Oracle JDK and OpenJDK
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