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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
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Without code and mappings for your transactions, it'll be next to impossible to investigate the problem.
However, to get a better handle as to what causes the problem, try the following:
In your hibernate configuration, set hibernate.s...
How do I build a numpy array from a generator?
...ping this in mind, it is technically impossible to take a generator object and turn it into an array unless you either:
can predict how many elements it will yield when run:
my_array = numpy.empty(predict_length())
for i, el in enumerate(gimme()): my_array[i] = el
are willing to store its elemen...
SVN Repository Search [closed]
...VN respository for code snippets? I found 'FishEye' but the cost is 1,200 and well outside my budget.
14 Answers
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Find an element in DOM based on an attribute value
...there is any DOM API which search for an element with given attribute name and attribute value:
7 Answers
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Replace console output in Python
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An easy solution is just writing "\r" before the string and not adding a newline; if the string never gets shorter this is sufficient...
sys.stdout.write("\rDoing thing %i" % i)
sys.stdout.flush()
Slightly more sophisticated is a progress bar... this is something I am using:
d...
Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
... to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be POSIX conform, they h...
Can I publish a private NuGet package?
...to use NuGet to make this assembly avaiable to other projects that my team and similar teams at my company are working on. However, the assembly isn't really code that I want to share with the world.
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limiting java ssl debug logging
...flag] for example:
-Djavax.net.debug=ssl:record or -Djavax.net.debug=ssl:handshake.
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...ment's address, i.e. the same page.
It is also possible to leave it empty, and any browser implementing HTML's form submission algorithm will treat it as equivalent to the document's address, which it does mainly because that's how browsers currently work:
8. Let action be the submitter element's a...
Multiple levels of 'collection.defaultdict' in Python
...possibilities offered by collections.defaultdict , notably in readability and speed. I have put them to use with success.
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