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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
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axtavtaxtavt
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How do I find duplicates across multiple columns?
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answered Nov 16 '11 at 9:26
Michał PowagaMichał Powaga
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
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Fortunately, drawing 2000 circles is a pretty easy example to test. So here are four possible implementations, two each of Canvas and SVG:
Canvas geometric zooming
Canvas semantic zooming
SVG geometric zooming
SVG semantic zooming
These examp...
Is it better in C++ to pass by value or pass by constant reference?
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It used to be generally recommended best practice1 to use pass by const ref for all types, exc...
Elastic search, multiple indexes vs one index and types for different data sets?
...number of your shards as 1 index will use 5 shards, 5 data models will use 25 shards; while having 5 object types in 1 index is still going to use 5 shards.
Implications for having each data model as index:
Efficient and fast to search within index, as amount of data should be smaller in each sha...
How to convert index of a pandas dataframe into a column?
...ke:
>>> df
val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303
and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do:
>>> df.reset_index(level=['tick...
Can an enum class be converted to the underlying type?
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edited Jan 23 at 11:09
Trilarion
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How to get the tag HTML with JavaScript / jQuery?
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answered Apr 4 '14 at 21:39
MichaelMichael
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What are paramorphisms?
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answered Nov 9 '12 at 23:34
pigworkerpigworker
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