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Stateless and Stateful Enterprise Java Beans
...so. Imagine how popular your app would be if you could start shopping and then the app server gave your stateful session bean to me when I came along!
So your private data member is indeed "state", but it's not "shopping cart". Try to redo your (very good) example to make it so the incremented va...
svn cleanup: sqlite: database disk image is malformed
...te3 .svn/wc.db "pragma integrity_check"
That should report some errors.
Then you might be able to clean them up by doing:
sqlite3 .svn/wc.db "reindex nodes"
sqlite3 .svn/wc.db "reindex pristine"
If there are still errors after that, you still got the option to check out a fresh copy of the rep...
Boolean Field in Oracle
...to limit contents to those values. (If you need the column to be nullable, then it's not a boolean you're dealing with but an enumeration with three values...)
Advantages of 0/1:
Language independent. 'Y' and 'N' would be fine if everyone used it. But they don't. In France they use 'O' and 'N' (I...
How can I print a circular structure in a JSON-like format?
..., if you can think of a meaningful serialization method for your purposes, then you could try to add a custom serialized to DOM objects: Node.prototype.toJSON = function() { return 'whatever you think that is right'; }; (if you want anything more generic/specific, just try anything in the prototype ...
Simple way to copy or clone a DataRow?
...king a snapshot of that Row and saving it. The values of original Row are then free to change but we still have another saved copy which doesn't change. Is this the correct way to do it?
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Facebook database design?
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Keep a friend table that holds the UserID and then the UserID of the friend (we will call it FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Gender...
How to select a CRAN mirror in R
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For me, the repos pop-up came, I clicked a mirror, and then nothing happened; meanwhile, this worked fine. Programmatic solution > interactive solution, as usual! Thanks!
– MichaelChirico
Oct 6 '16 at 22:22
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How to change the remote repository for a git submodule?
...You should just be able to edit the .gitmodules file to update the URL and then run git submodule sync --recursive to reflect that change to the superproject and your working copy.
Then you need to go to the .git/modules/path_to_submodule dir and change its config file to update git path.
If repo ...
Why does Eclipse complain about @Override on interface methods?
...sspath files. clean and build the project, import it back into eclipse and then reset your Java compiler. Clean and build your projectand eclipse. It worked for me
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java.lang.ClassNotFoundException: Didn't find class on path: dexpathlist
...rked when I try running an helloworld example from Irrlicht engine source. Then I try using it in my project following the same format of that example. But I got:
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