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ggplot2 keep unused levels barplot
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df <- data.frame(type=c("A", "A", "A", "B", "B"), group=rep("group1", 5))
df1 <- data.frame(type=c("A", "A", "A", "B", "B", "A", "A", "C", "B", "B"), group=c(rep("group1", 5),rep("group2", 5)))
df$type <- factor(df$type, levels=c("A","B", "C"))
df1$type <- factor(df1$type, levels=c("A"...
Linq with group by having count
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Thomas LevesqueThomas Levesque
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Convert a List into an ObservableCollection
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ObservableCollection < T > has a constructor overload
which takes IEnumerable < T >...
What does “Auto packing the repository for optimum performance” mean?
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What is the HTML tag “div” short for?
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RushyoRushyo
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add a co...
Multiprocessing - Pipe vs Queue
...1:~$ python multi_pipe.py
Sending 10000 numbers to Pipe() took 0.0369849205017 seconds
Sending 100000 numbers to Pipe() took 0.328398942947 seconds
Sending 1000000 numbers to Pipe() took 3.17266988754 seconds
mpenning@mpenning-T61:~$ python multi_queue.py
Sending 10000 numbers to Queue() took 0.10...
For files in directory, only echo filename (no path)
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pandas: multiple conditions while indexing data frame - unexpected behavior
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DSMDSM
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Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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edited May 18 '19 at 3:52
Cœur
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JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...ssertEquals(2, actual.size());
Tested with EclipseLInk. With Hibernate 3.5.1, you'll need to surround the parameter with parenthesis:
String qlString = "select item from Item item where item.name IN (:names)";
But this is a bug, the JPQL query in the previous sample is valid JPQL. See HHH-5126....