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Prevent nginx 504 Gateway timeout using PHP set_time_limit()
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How to get the unique ID of an object which overrides hashCode()?
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What is the easiest way to ignore a JPA field during persistence?
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edited Dec 20 '13 at 7:14
Andrey Atapin
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How to run Rake tasks from within Rake tasks?
...re not automatically re-executed unless they are re-enabled. In Rake >= 10.3.2, you can use the following to re-enable those as well:
Rake::Task["build"].all_prerequisite_tasks.each(&:reenable)
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SQL join: selecting the last records in a one-to-many relationship
...n StackOverflow.
Here's how I usually recommend solving it:
SELECT c.*, p1.*
FROM customer c
JOIN purchase p1 ON (c.id = p1.customer_id)
LEFT OUTER JOIN purchase p2 ON (c.id = p2.customer_id AND
(p1.date < p2.date OR (p1.date = p2.date AND p1.id < p2.id)))
WHERE p2.id IS NULL;
Explana...
Java logical operator short-circuiting
...ator & and will throw a NullPointerException if input is null, but the 1st version will return false without an exception.
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Html helper for
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edited Nov 20 '13 at 11:57
SteveC
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Collapse sequences of white space into a single character and trim string
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Java exception not caught?
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From the Java Language Specification 14.20.2.:
If the catch block completes abruptly for reas...