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Hibernate JPA Sequence (non-Id)
...osal to allow @GeneratedValue on fields that are not id. Please vote to be included in 2.2 java.net/jira/browse/JPA_SPEC-113
– Petar Tahchiev
Apr 5 '16 at 11:40
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Is there a way of having git show lines added, lines changed and lines removed?
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Updated my answer to include an example use of --word-diff. That might be more useful.
– quornian
Apr 1 '12 at 19:53
16
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...ing the ORA-00054 from batch jobs, but I suspect most people landing here (including the OP, and me) are doing some development and have left a session open doing inserts on the same table they're trying to drop and recreate. KILL SESSION is the right answer for these people.
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How can I convert ereg expressions to preg in PHP?
...re deprecated since PHP 5.3.0, I'd like to know an easy way to convert the old expressions to PCRE (Perl Compatible Regular Expressions) (preg) .
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demystify Flask app.secret_key
...if anything has been altered without permission. Since the secret is never included with data Flask sends to the client, a client cannot tamper with session data and hope to produce a new, valid signature.
Flask uses the itsdangerous library to do all the hard work; sessions use the itsdangerous.U...
Java multiline string
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The Project Coin process for enhancements to Java included multi line strings mail.openjdk.java.net/pipermail/coin-dev/2009-February/…. It was rejected by Oracle blogs.sun.com/darcy/entry/project_coin_final_five.
– JodaStephen
Mar 25 ...
How to timeout a thread
... Thread.interrupt, it wouldn't respond to Thread.stop either. Such
cases include deliberate denial-of-service attacks, and I/O operations
for which thread.stop and thread.interrupt do not work properly.
Bottom Line:
Make sure all threads can be interrupted, or else you need specific knowledge...