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matplotlib Legend Markers Only Once
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edited Mar 16 '14 at 12:16
K.-Michael Aye
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Array to Hash Ruby
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a = ["item 1", "item 2", "item 3", "item 4"]
h = Hash[*a] # => { "item 1" => "item 2", "item 3" => "item 4" }
That's it. The * is called the splat operator.
One caveat per @Mike Lewis (in the comments): "Be very careful with this. Ruby expands splats on ...
C# List of objects, how do I get the sum of a property
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4 Answers
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How to immediately see compile errors in project tree of IntelliJ Idea?
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4 Answers
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Numbering rows within groups in a data frame
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284
Use ave, ddply, dplyr or data.table:
df$num <- ave(df$val, df$cat, FUN = seq_along)
or:
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Automapper: Update property values without creating a new object
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465
Use the overload that takes the existing destination:
Mapper.Map<Source, Destination>(s...
Scatter plot and Color mapping in Python
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answered Jul 16 '13 at 16:45
wflynnywflynny
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jQuery UI slider Touch & Drag/Drop support on Mobile devices
...pt type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>
<script type="text/javascript" src="//cdnjs.cloudflare.com/aj...
Truncate a list to a given number of elements
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142
Use List.subList:
import java.util.*;
import static java.lang.Math.min;
public class T {
pu...
stash@{1} is ambiguous?
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234
Your shell is eating your curly brackets, so while you say stash@{1}, git sees stash@1 and that ...