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JPA EntityManager: Why use persist() over merge()?
...rt the new register to the database.
persist() efficiency:
It could be more efficient for inserting a new register to a database than merge().
It doesn't duplicates the original object.
persist() semantics:
It makes sure that you are inserting and not updating by mistake.
Example:
{
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Xcode 4 - detach the console/log window
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Getting vertical gridlines to appear in line plot in matplotlib
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Entity Framework rollback and remove bad migration
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Algorithm to detect intersection of two rectangles?
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Fastest Way to Find Distance Between Two Lat/Long Points
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Get the full URL in PHP
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@ax. And you think you have a little more than me? lol ok pal. If your arrogance wasn't displayed strongly enough by your abuse of the moderator tools in rolling back your answer, it definitely was displayed enough right here; thus discrediting everything else ...
Python's time.clock() vs. time.time() accuracy?
... use for timing in Python? time.clock() or time.time()? Which one provides more accuracy?
16 Answers
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