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Unloading classes in java?
I have a custom class loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the class...
Determine what attributes were changed in Rails after_save callback?
I'm setting up an after_save callback in my model observer to send a notification only if the model's published attribute was changed from false to true. Since methods such as changed? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as fol...
Why use symbols as hash keys in Ruby?
A lot of times people use symbols as keys in a Ruby hash.
4 Answers
4
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Storing WPF Image Resources
...o this, create a BitmapSource as a resource somewhere:
<BitmapImage x:Key="MyImageSource" UriSource="../Media/Image.png" />
Then, in your code, use something like:
<Image Source="{StaticResource MyImageSource}" />
In my case, I found that I had to set the Image.png file to have a ...
UIRefreshControl without UITableViewController
Just curious, as it doesn't immediately seem possible, but is there a sneaky way to leverage the new iOS 6 UIRefreshControl class without using a UITableViewController subclass?
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Is there a simple way to convert C++ enum to string?
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You may want to check out GCCXML.
Running GCCXML on your sample code produces:
<GCC_XML>
<Namespace id="_1" name="::" members="_3 " mangled="_Z2::"/>
<Namespace id="_2" name="std" context="_1" members="" mangled="_Z3std"/>...
When should TaskCompletionSource be used?
AFAIK, all it knows is that at some point, its SetResult or SetException method is being called to complete the Task<T> exposed through its Task property.
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Filter Java Stream to 1 and only 1 element
I am trying to use Java 8 Stream s to find elements in a LinkedList . I want to guarantee, however, that there is one and only one match to the filter criteria.
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The Guava library: What are its most useful and/or hidden features? [closed]
I have had a quick scan of the Guava API and the new collection types it provides( Multimap and BiMap for example appear useful) and I am thinking of including the library in the project(s) I work on.
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Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...