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JPA CascadeType.ALL does not delete orphans
...eType.DELETE_ORPHAN, which can be used in conjunction with JPA CascadeType.ALL.
If you don't plan to use Hibernate, you'll have to explicitly first delete the child elements and then delete the main record to avoid any orphan records.
execution sequence
fetch main row to be deleted
fetch child...
How to word wrap text in HTML?
...
It's CSS3, but it works in almost all mainstream browsers, including IE5.5 -> 9 - caniuse.com/#search=word-wrap
– Jon Hadley
Jan 27 '11 at 9:10
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How to remove all breakpoints in one step in Google Chrome?
How to remove all breakpoints in one step in Google Chrome? Using version 11.
8 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...
Deny all, allow only one IP through htaccess
I'm trying to deny all and allow only for a single IP. But, I would like to have the following htaccess working for that single IP. I'm not finding a way to have both working: the deny all and allow only one, plus the following options:
...
How can I get the external SD card path for Android 4.0+?
... this returned both the internal and external. This device is kinda an oddball in that its internal largely goes unused as getExternalStorage() returns a path to the sdcard instead.
and some single storage devices that use an sdcard as their main storage
HTC G1 (cyanogenmod 6.1)
HTC G1 (stock)
H...
How to git log from all branches for the author at once?
I need to get the report of all commits that the author did. So far, I have the script that wraps the following command:
2...
Listing only directories using ls in Bash?
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*/ is a pattern that matches all of the subdirectories in the current directory (* would match all files and subdirectories; the / restricts it to directories). Similarly, to list all subdirectories under /home/alice/Documents, use ls -d /home/alice/Docu...
What is Ember RunLoop and how does it work?
...machty.s3.amazonaws.com/ember-run-loop-visual/index.html
Update 5/9/2013: all the basic concepts below are still up to date, but as of this commit, the Ember Run Loop implementation has been split off into a separate library called backburner.js, with some very minor API differences.
First off, re...
How to find all occurrences of a substring?
...or m in re.finditer('(?=tt)', 'ttt')]
#[0, 1]
If you want a reverse find-all without overlaps, you can combine positive and negative lookahead into an expression like this:
search = 'tt'
[m.start() for m in re.finditer('(?=%s)(?!.{1,%d}%s)' % (search, len(search)-1, search), 'ttt')]
#[1]
re.fin...