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The JPA hashCode() / equals() dilemma

...objects are persisted to a database. However, the problems stem entirely from allowing objects to exist without an id before they are saved. We can solve these problems by taking the responsibility of assigning object IDs away from object-relational mapping frameworks such as Hibernate. Inst...
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Most Pythonic way to provide global configuration variables in config.py? [closed]

...r it to reference if you need to. You can also pass in additional defaults from your code. It also maps attribute and mapping style syntax to the same configuration object. share | improve this ans...
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calling non-static method in static method in Java [duplicate]

... The only way to call a non-static method from a static method is to have an instance of the class containing the non-static method. By definition, a non-static method is one that is called ON an instance of some class, whereas a static method belongs to the class i...
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Git Push error: refusing to update checked out branch

...n-bare repositories is not common). What you can do, is to fetch and merge from the other repository. This is how the pull request that you can see in Github works. You ask them to pull from you, and you don't force-push into them. Update: Thanks to VonC for pointing this out, in the latest git v...
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FFMPEG (libx264) “height not divisible by 2”

I am trying to encode a .mp4 video from a set of frames using FFMPEG using the libx264 codec. 7 Answers ...
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In WPF, what are the differences between the x:Name and Name attributes?

...es not difference whether you use Name or x:Name for any type that derives from FrameworkElement (which includes most types you'd use in XAML including UserControl, a member will be generated correctly in any case). This is because FrameworkElement is decorated with [RuntimeNameProperty("Name")]. ...
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Sorting an ArrayList of objects using a custom sorting order

... @BalusC: No probs. I can't take credit for the idea, I got it from String.CASE_INSENSITIVE_ORDER and friends but I like it. Makes the resulting code easier to read. – Stobor Nov 29 '09 at 0:00 ...
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Changing default encoding of Python?

...code" and "can't decode" problems with Python when I run my applications from the console. But in the Eclipse PyDev IDE, the default character encoding is set to UTF-8 , and I'm fine. ...
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Best way to define private methods for a class in Objective-C

... expert. For the experts, is there any reason not to do it this way (aside from the method ordering issue)? – Eric Smith Nov 10 '10 at 17:16 2 ...
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?

...rgv[0][0] shall be the null character if the program name is not available from the host environment. So no, it's only the program name if that name is available. And it "represents" the program name, not necessarily is the program name. The section before that states: If the value of argc is ...