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JPA and Hibernate - Criteria vs. JPQL or HQL
...HQL for static and complex queries, because it's much easier to understand/read HQL. Also, HQL is a bit more powerful, I think, e.g. for different join types.
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Do spurious wakeups in Java actually happen?
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The Wikipedia article on spurious wakeups has this tidbit:
The pthread_cond_wait() function in Linux is implemented using the futex system call. Each blocking system call on Linux returns abruptly with EINTR when the process receives a signal. ... pthread_cond_wait() can't restart the waiti...
How do you make sure email you send programmatically is not automatically marked as spam?
...stmaster@yourdomain.com. That means - make sure that these accounts exist, read what's sent to them, and act on complaints.
Finally, make it really easy to unsubscribe. Otherwise, your users will unsubscribe by pressing the spam button, and that will affect your reputation.
That said, getting Hotm...
Missing return statement in a non-void method compiles
...y that the person who did that knew what they were doing.
Where can I read more about reachability analysis in C#?
See my articles on the subject, here:
ATBG: de facto and de jure reachability
And you might also consider reading the C# specification.
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Remove ALL styling/formatting from hyperlinks
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This isn't what he asked. Re-read the question. He already knows this.
– david
Jan 19 '12 at 1:01
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Too many 'if' statements?
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@JoeHarper If you want something easy to read, you won't be using magic numbers in the first place and you'll have a comment explaining the mapping. As it is, I prefer this version to the original, but for something maintainable in the long term I'd use an approach ...
Python - write() versus writelines() and concatenated strings
...ites every item.
Edit: Another point you should be aware of:
write() and readlines() existed before writelines() was introduced. writelines() was introduced later as a counterpart of readlines(), so that one could easily write the file content that was just read via readlines():
outfile.writeline...
What does Python's eval() do?
In the book that I am reading on Python, it keeps using the code eval(input('blah'))
10 Answers
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Embed git commit hash in a .Net dll
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You can embed a version.txt file into the executable and then read the version.txt out of the executable. To create the version.txt file, use git describe --long
Here are the steps:
Use a Build Event to call git
Right-click on the project and select Properties
In Build Events, add ...
display:inline vs display:block [duplicate]
... form an 'anonymous block', that however has the smallest possible width.
Read more about display options : http://www.quirksmode.org/css/display.html
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