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Correct use of flush() in JPA/Hibernate
...ethod, but I'm not quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing entity data.
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How to make jQuery to not round value returned by .width()?
...tual width and the calculated width. (Specifically, I will see a word jump from one line of text to another, indicating the the width has been changed, not just locked.) From another question -- Getting the actual, floating-point width of an element -- I found out that window.getComputedStyle(elemen...
What is the difference between setUp() and setUpClass() in Python unittest?
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The output in the answer is correct. I pasted it directly from unittest’s output. setUp and tearDown are each run once for every test method (so twice in total in this example) but setUpClass and tearDownClass are run just once each.
– Benjamin Hodgson♦
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HTTP vs HTTPS performance
...airly small set of static pages that can easily be cached in memory suffer from a much higher overhead (in one case, throughput was havled on an "intranet").
Edit: One point that has been brought up by several others is that SSL handshaking is the major cost of HTTPS. That is correct, which is why ...
Should I use @EJB or @Inject
... be incorrect or out of date. Please see comments for details.
I switched from @Inject to @EJB because @EJB allows circular injection whereas @Inject pukes on it.
Details: I needed @PostConstruct to call an @Asynchronous method but it would do so synchronously. The only way to make the asynchronou...
target=“_blank” vs. target=“_new”
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Leaving out the bolded text from the spec makes that quote sound confusingly circular. I read it as "A valid browsing context name or keyword is any string that is either a valid browsing context name or ...."
– Alex Grin
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Sharing Test code in Maven
How can you depend on test code from another module in Maven?
4 Answers
4
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How do you commit code as a different user?
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Check out the --author option for git commit:
From the man page:
--author=<author>
Override the commit author. Specify an explicit author
using the standard A U Thor <author@example.com> format. Otherwise
<author> is assumed to be a pattern...
Android Task Affinity Explanation
...een. Why is the B weather app showing and why didn't it save the settings from level D?
The programmer might be able to alleviate some confusion if Activities B and D were linked in state. That way changes to one changes the other. Each time the user opens up a new weather screen, it secretly op...
How do I copy an object in Java?
...elf does not implement Cloneable.
copyProperties will Copy property values from the origin bean to the destination bean for all cases where the property names are the same.
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