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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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Matplotlib different size subplots
...lot needs to be about three times as wide as the second (same height). I accomplished this using GridSpec and the colspan argument but I would like to do this using figure so I can save to PDF. I can adjust the first figure using the figsize argument in the constructor, but how do I change t...
Count occurrences of a char in plain text file
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Akka Kill vs. Stop vs. Poison Pill?
...s. In the case of the stop call, the message currently being processed is completed first, with all others discarded. When sending a PoisonPill, this is simply another message in the queue, so the sequence will start when the PoisonPill is received. All messages that are ahead of it in the queue ...
UPDATE multiple tables in MySQL using LEFT JOIN
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See the article in my blog for performance details:
Finding incomplete orders: performance of LEFT JOIN compared to NOT IN
Unfortunately, MySQL does not allow using the target table in a subquery in an UPDATE statement, that's why you'll need to stick to less efficient LEFT JOIN synta...
Delete text in between HTML tags in vim?
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Hibernate lazy-load application design
I tend to use Hibernate in combination with Spring framework and it's declarative transaction demarcation capabilities (e.g., @Transactional ).
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Define static method in source-file with declaration in header-file in C++
...me anonymous namespace. Usage of static in .cpp files is just for backward compatibility with C.
– x13n
May 12 '11 at 15:46
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How can i get the session object if i have the entity-manager
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