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How to properly document S4 class slots using Roxygen2?
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30
Updated answer for Roxygen2 5.0.1, current as of 6.0.1
For S4, the best practice now is documen...
Android: Coloring part of a string using TextView.setText()?
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201
Use spans.
Example:
final SpannableStringBuilder sb = new SpannableStringBuilder("your text h...
Using CMake with GNU Make: How can I see the exact commands?
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edited Dec 1 '16 at 9:01
malat
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answered Ap...
How to get rspec-2 to give the full trace associated with a test failure?
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edited Dec 8 '14 at 17:10
Dorian
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Regex lookahead for 'not followed by' in grep
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answered Feb 8 '12 at 18:08
Jonathan LefflerJonathan Leffler
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How can we prepend strings with StringBuilder?
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Using the insert method with the position parameter set to 0 would be the same as prepending (i.e. inserting at the beginning).
An example is: varStringBuilder.insert(0, "someThing");
It works both for C# and Java
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Return Boolean Value on SQL Select Statement
...SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
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UML class diagram enum
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203
They are simply showed like this:
_______________________
| <<enumeration>> |
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Pandas conditional creation of a series/dataframe column
...here(df['Set']=='Z', 'green', 'red')
print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == ...
What is the right way to override a setter method in Ruby on Rails?
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Update: July 19, 2017
Now the Rails documentation is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
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