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SQL select join: is it possible to prefix all columns as 'prefix.*'?
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34
I see two possible situations here. First, you want to know if there is a SQL standard for this...
How do I replace NA values with zeros in an R dataframe?
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See my comment in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 ...
user authentication libraries for node.js?
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233
If you are looking for an authentication framework for Connect or Express, Passport is worth in...
How do you print in a Go test using the “testing” package?
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Pang
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answered Apr 21 '14 at 20:50
voidlogicvoidlogic
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How to save/restore serializable object to/from file?
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edited Aug 23 '18 at 14:03
Sven.L
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answered May 24 '11 at...
What happens if you static_cast invalid value to enum class?
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131
What is color set to according to the standard?
Answering with a quote from the C++11 and ...
How is “=default” different from “{}” for default constructor and destructor?
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3 Answers
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Reading 64bit Registry from a 32bit application
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answered Jun 10 '09 at 7:13
StefanStefan
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What is the difference between C, C99, ANSI C and GNU C?
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answered Jun 20 '13 at 9:04
LundinLundin
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...ild 1.6.0_07-b06"), and the HotSpot version (on mine, that's "build 10.0-b23, mixed mode"). I suspect the "11.0" you are seeing is the HotSpot version.
Update: HotSpot is (or used to be, now they seem to use it to mean the whole VM) the just-in-time compiler that is built in to the Java Virtual Ma...