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Can javax.persistence.Query.getResultList() return null?
And if so, under what circumstances?
7 Answers
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Word wrap for a label in Windows Forms
...ically (only width). To get this right you will need to subclass the label and include vertical resize logic.
Basically what you need to do in OnPaint is:
Measure the height of the text (Graphics.MeasureString).
If the label height is not equal to the height of the text set the height and return....
How to resize the iPhone/iPad Simulator?
...ke one third the size of the real iPad screen) on my 23" Full-HD screen (and also on the 15" MacBook Pro ).
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How do you clone an Array of Objects in Javascript?
...ng up with circular object references. Deep will go as deep as it can go, and if you've got a circle, it'll keep going infinitely until the browser faints.
If the data structure cannot be represented as a directed acyclic graph, then I'm not sure you're going to be able to find an all-purpose meth...
Complex CSS selector for parent of active child [duplicate]
...ejecting proposals for parent selectors are related to browser performance and incremental rendering issues.
And for anyone searching SO in future, this might also be referred to as an ancestor selector.
Update:
The Selectors Level 4 Spec allows you to select which part of the select is the ...
How to force composer to reinstall a library?
I'm using the ZF2 skeleton app and it has a .gitignore that prevents external libraries from being commited to git. While debugging I like to go and change stuff here and there in the libraries' source to learn how things work. If these were version controlled it would be very easy to revert them ba...
Can I have an onclick effect in CSS?
...he style when the mouse button is held down. The only way to apply a style and keep it applied onclick is to use a bit of JavaScript.
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What is the point of a private pure virtual function?
...ding to Herb Sutter, having public non-virtual interface in the base class and a private implementation that can be customized in the derived classes, allows for better "separation of the specification of interface from the specification of the implementation's customizable behavior". You can read m...
VBoxManage: error: Failed to create the host-only adapter
I am running vagrant 1.4 and virtual box 4.3 on fedora 17 machine. When I do "vagrant up", I get this error:
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One-liner to recursively list directories in Ruby?
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What about hidden files and directories?
– alediaferia
Aug 30 '12 at 10:20
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