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If table exists drop table then create it, if it does not exist just create it
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What are the obj and bin folders (created by Visual Studio) used for?
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The obj folder holds object, or intermediate, files, which are compiled binary files that haven't been linked yet. They're essentially fragments that will be combined to produce the final executable. The compiler generates one object file for each source file, and those files are placed ...
What is the difference between persist() and merge() in JPA and Hibernate?
...ied to an entity X are
as follows:
If X is a new entity, it
becomes managed. The entity X will be
entered into the database at or before
transaction commit or as a result of
the flush operation.
If X is a
preexisting managed entity, it is
ignored by the persist operation.
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Google Play Services Library update and missing symbol @integer/google_play_services_version
... on Eclipse. I thought I'd done it right, but re-did it and that fixed the compiler issue.
– Anna Billstrom
Mar 22 '14 at 1:15
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What is the difference between '>' and a space in CSS selectors?
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position: fixed doesn't work on iPad and iPhone
...e.org/blog/archives/2010/12/the_fifth_posit.html
Also see this page for a compatibility chart showing which mobile browsers support position:fixed;: http://www.quirksmode.org/m/css.html
(but note that the mobile browser world is moving very quickly, so tables like this may not stay up-to-date for ...
What is “Linting”?
...generically to tools that flag suspicious usage in software written in any computer language.
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mkdir's “-p” option
So this doesn't seem like a terribly complicated question I have, but it's one I can't find the answer to. I'm confused about what the -p option does in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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Scala actors: receive vs react
...t say that I have quite a lot of Java experience, but have only recently become interested in functional languages. Recently I've started looking at Scala, which seems like a very nice language.
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