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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
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The meaning of CascadeType.ALL is that the persistence will propagate (cascade) all EntityManager operations (PERSIST, REMOVE, REFRESH, MERGE, DETACH) to the relating entities.
It seems in your case to be a bad idea, as removing an Address would lead ...
What exactly does big Ө notation represent?
I'm really confused about the differences between big O, big Omega, and big Theta notation.
6 Answers
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fatal: early EOF fatal: index-pack failed
...to the new directory and retrieve the rest of the clone:
git fetch --unshallow
or, alternately,
git fetch --depth=2147483647
Now, do a regular pull:
git pull --all
I think there is a glitch with msysgit in the 1.8.x versions that exacerbates these symptoms, so another option is to try w...
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...ome encoding-related conniption, calamity, or catastrophe. The problem usually derives from programmers who think they can reliably process a “text” file without specifying the encoding. But you can't.
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
What are all the valid self-closing elements (e.g. ) in XHTML (as implemented by the major browsers)?
13 Answers
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How to delete all datastore in Google App Engine?
Does anyone know how to delete all datastore in Google App Engine ?
28 Answers
28
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Add all files to a commit except a single file?
I have a bunch of files in a changeset, but I want to specifically ignore a single modified file. Looks like this after git status :
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How to see indexes for a database or table in MySQL?
...fic table use SHOW INDEX:
SHOW INDEX FROM yourtable;
To see indexes for all tables within a specific schema you can use the STATISTICS table from INFORMATION_SCHEMA:
SELECT DISTINCT
TABLE_NAME,
INDEX_NAME
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = 'your_schema';
Removing ...
How to revert uncommitted changes including files and folders?
Is there a git command to revert all uncommitted changes in a working tree and index and to also remove newly created files and folders?
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In Xcode, how to suppress all warnings in specific source files?
...-click in the Compiler Flags column for that file and enter -w to turn off all warnings for that file.
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