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@OneToMany List vs Set difference
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A list, if there is no index column specified, will just be handled as a bag by Hibernate (no specific ordering).
One notable difference in the handling of Hibernate is that you can't fetch two different lists in a single query. For example, if y...
JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
I am getting the following error when trying to get a JSON request and process it:
14 Answers
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How to create major and minor gridlines with different linestyles in Python
I am currently using matplotlib.pyplot to create graphs and would like to have the major gridlines solid and black and the minor ones either greyed or dashed.
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Variable interpolation in the shell
...{filepath}_newstap.sh
or
$filepath\_newstap.sh
_ is a valid character in identifiers. Dot is not, so the shell tried to interpolate $filepath_newstap.
You can use set -u to make the shell exit with an error when you reference an undefined variable.
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Why would you use an ivar?
...uite easily via the accessors.
Performance
Yes, this can make a difference in some cases. Some programs have constraints where they can not use any objc messaging in certain parts of the program (think realtime). In other cases, you may want to access it directly for speed. In other cases, it's beca...
Syntax Error: Not a Chance
I tried executed the following code in the python IDLE
2 Answers
2
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...his on Stack Overflow but none with an answer that seem to fix the problem in my current situation.
10 Answers
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Android studio: new project vs new module
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From the documentation (Android Studio is based on Intellij IDEA) :
Whatever you do in IntelliJ IDEA, you do that in the context of a
project. A project is an organizational unit that represents a
complete software solution.
Your finished product may be decompose...
Take diff of two vertical opened windows in Vim
I've have two files opened. They are opened in vertical mode, next to next. Can I instantly diff these two files without leaving or closing Vim ?
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How do I clear the content of a div using JavaScript? [closed]
...e, the content of a div should be cleared. How would I go about accomplishing this?
2 Answers
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