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How to choose the id generation strategy when using JPA and Hibernate

...generate identifiers of type long, short or int, given a table and column (by default hibernate_unique_key and next_hi respectively) as a source of hi values. The hi/lo algorithm generates identifiers that are unique only for a particular database. seqhilo uses a hi/lo algorithm to efficiently gener...
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Why is Hibernate Open Session in View considered a bad practice?

...Os? In that case, you will always have lower performance because data used by any view will have to be loaded even for views that don't need it. – Johannes Brodwall Jul 15 '09 at 22:27 ...
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Is there a PHP function that can escape regex patterns before they are applied?

...lso be escaped. This is useful for escaping the delimiter that is required by the PCRE functions. The / is the most commonly used delimiter. Importantly, note that if the $delimiter argument is not specified, the delimiter - the character used to enclose your regex, commonly a forward slash (/) - ...
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Reducing memory usage of .NET applications?

...g in a terminal services environment, on a shared server possibly utilized by 10, 20 or more users, then yes, you absolutely must consider memory usage. And you will need to be vigilant. The best way to address this is with good data structure design and by following best practices regarding when an...
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What's the difference between the Dependency Injection and Service Locator patterns?

... Service locators hide dependencies - you can't tell by looking at an object whether it hits a database or not (for example) when it obtains connections from a locator. With dependency injection (at least constructor injection) the dependencies are explicit. Moreover, service ...
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setting y-axis limit in matplotlib

... One thing you can do is to set your axis range by yourself by using matplotlib.pyplot.axis. matplotlib.pyplot.axis from matplotlib import pyplot as plt plt.axis([0, 10, 0, 20]) 0,10 is for x axis range. 0,20 is for y axis range. or you can also use matplotlib.pyplot...
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How do I update my bare repo?

... @Thomas - Yeah, by "didn't see" I mean git log doesn't show these updates in the bare repo. (Neither does git log --all, and neither does a working repo that created by cloning the bare repo - either via git log --all or by simply looking at...
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Are NSLayoutConstraints animatable? [duplicate]

I am trying to animate up some views so that they are blocked by the giant keyboard in landscape. It works well if I simply animate the frames, but others have suggested that this is counter-productive and I should be updating the NSLayoutConstraints instead. However, they don't seem to be animata...
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Unable to launch the IIS Express Web server

...g. Make sure no other process is using your desired port. You can do that by executing netstat -a -b in the console (as Administrator, type cmd in start menu, right click and choose 'Run as admiminstrator'). If you see an entry which state is ESTABLISHED or LISTENING for example it means that so...
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Executing injected by innerHTML after AJAX call

... you can select all loaded scripts and execute them by eval() function: $('#audit-view script').each(function (index, element) { eval(element.innerHTML); }) – Jerzy Gebler Aug 19 '15 at 16:01 ...