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How to get Twitter-Bootstrap navigation to show active link?
... understanding how Twitter Bootstrap does active links for the navigation. If I have a regular navigation like this (with ruby on rails linking):
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When and why JPA entities should implement Serializable interface?
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This usually happens if you mix HQL and native SQL queries. In HQL, Hibernate maps the types you pass in to whatever the DB understands. When you run native SQL, then you must do the mapping yourself. If you don't, then the default mapping is to ...
CSS: Change image src on img:hover
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With only html and css, its not posible to change the src of image. If you do replace the img tag with div tag, then you might be able to change the image that is set as the background as like
div {
background: url('http://dummyimage.com/100x100/000/fff');
}
div:hover {
background: ...
Spring get current ApplicationContext
...text, rather it creates another instance of it for you. Which means 1) significant chunk of memory and 2) beans are not shared among these two application contexts.
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How to programmatically set style attribute in a view
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There is also such a thing as a StateListDrawable which lets you define different drawables for each state the your Button can be in, whether focused, selected, pressed, disabled and so on.
For example, to get your button to change colour when it's pressed, you could define an XML file called res...
When and why to 'return false' in JavaScript?
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This is particularly good if you want an AJAX form that submits without reloading the page - but also works by submitting and reloading the page when javascript is not available.
– Dean Rather
May 13 '09 at 1:50
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Parsing domain from a URL
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parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls.
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Linking to an external URL in Javadoc?
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If anyone is interested, since I just had to look it up: According to the Javadoc spec the @see tag comes after the @param/@return tags and before the @since/@serial/@deprecated tags.
– friederbluemle
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Set Colorbar Range in matplotlib
...n will scale the colours so that what used to represent the value 1.0 will now represent the max value in my data. The colorbar will show 0..1 as I need it (with vmin=0, vmax=1), but everything above this max value will be the same colour...
– Paul
Jul 30 '10 a...
Crash logs generated by iPhone Simulator?
...h
Something I haven't yet figured out is how to get them to generate even if the debugger grabs the EXC_BAD_ACCESS signal.
Update
Currently, (OSX 10.11.6), the .crash logs in ~/Library/Logs/DiagnosticReports, are when the emulator itself crashes. Logs for an app crashing (but the emulator devi...