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Replacement for “rename” in dplyr
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dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <- rename(df, new_name = old_name)
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Sass calculate percent minus px
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edited Jan 3 at 22:18
answered Nov 7 '12 at 17:28
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
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3 Answers
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What is a 'semantic predicate' in ANTLR?
... of semantic predicates in Antlr4
Semantic predicates in ANTLR4?
ANTLR 3
A semantic predicate is a way to enforce extra (semantic) rules upon grammar
actions using plain code.
There are 3 types of semantic predicates:
validating semantic predicates;
gated semantic predicates;
disambiguating...
CSS table column autowidth
... the content. Suppose i have only 1 li element it should shrink vs. having 3 li elements etc):
4 Answers
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Create a custom event in Java
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edited Jun 3 '17 at 15:58
Joel eldo
1344 bronze badges
answered Jun 7 '11 at 18:50
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Asserting successive calls to a mock method
...the last call to a method.
If I have code that calls the mocked method 3 times successively, each time with different parameters, how can I assert these 3 calls with their specific parameters?
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New Line on PHP CLI
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The use of PHP_EOL should be the preferred method of adding new lines.
– AutomaticPixel
Feb 15 '12 a...