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Add legend to ggplot2 line plot
...; you are creating a mapping to this "variable".
scale_colour_manual can now map these strings to the appropriate colors. The result is
In some cases, the mapping between the levels and colors needs to be made explicit by naming the values in the manual scale (thanks to @DaveRGP for pointing thi...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...suffixes as well, by hash-consing.
Advantages of hashtables:
Everyone knows hashtables, right? Your system will already have a nice well-optimized implementation, faster than tries for most purposes.
Your keys need not have any special structure.
More space-efficient than the obvious linked tri...
What is the difference between public, private, and protected?
...ilable to the inherited class
}
}
// Inherited class Daddy wants to know Grandpas Name
$daddy = new Daddy;
echo $daddy->displayGrandPaName(); // Prints 'Mark Henry'
// Public variables can also be accessed outside of the class!
$outsiderWantstoKnowGrandpasName = new GrandPa;
echo $outsider...
Fat models and skinny controllers sounds like creating God models [closed]
...(I kinda elaborated on it in a different post) and the community only just now has begun addressing the fallout. You could look at DataMapper2 development as the first major step.
Some theory
People giving that advice seem to be afflicted by a quite common misconception. So let me begin by clearing...
What special characters must be escaped in regular expressions?
...emember just to escape everywhere than a few exceptions. Power users will know what's up, if they want to avoid a few backslashes. Anyway, I updated my answer with a few clarifications that hopefully address some of this stuff.
– Beejor
Mar 7 '17 at 3:15
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Are there any open source C libraries with common data structures? [closed]
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And now it appears to be: github.com/davinash/cstl It hasn't been updated since 2012 though.
– domen
Jul 24 '17 at 9:24
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
...ar libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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Android: Vertical alignment for multi line EditText (Text area)
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Do not use top|left unless you know you can control all the languages in your app, there are a lot of right-to-left languages out there (en.wikipedia.org/wiki/Right-to-left) Keep it localization-friendly
– MariusBudin
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Python read-only property
I don't know when attribute should be private and if I should use property.
10 Answers
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Do you need to dispose of objects and set them to null?
... that (just) compiles but to write code that runs. Sometimes it helps to know what the runtime is doing under the covers (e.g. troubleshooting). One could argue that it's the type of knowledge that helps to separate good programmers from great programmers.
– Randy supports Mo...