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Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
...s checked) then you run into serious problems with the signature. Specifically, handleException has to be declared as throwing SuperException ... which potentially means you have to change the signature of the enclosing method, and so on.
Approach #2
try {
// stuff
} catch (SuperException ex...
Preloading CSS Images
...ly elements guaranteed to exist on the page.
For the "trick" to work, we shall use the content property which comfortably allows setting multiple URLs to be loaded, but as shown, the ::after pseudo element is kept hidden so the images won't be rendered:
body::after{
position:absolute; width:0; he...
Where do gems install?
...r gem environment.
In a terminal run gem env
You should see an entry INSTALLATION DIRECTORY, but there is also GEM PATHS which is where it's loading all your gems from in your current environment.
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Array versus linked-list
...same size.
As you mentioned, it's easier for a linked list to grow organically. An array's size needs to be known ahead of time, or re-created when it needs to grow.
Shuffling a linked list is just a matter of changing what points to what. Shuffling an array is more complicated and/or takes more m...
Change Canvas.Left property in code behind?
... @JaredPar: at a guess I would say that since SetLeft is specifically a method of Canvas it understands what types it would make sense give a Left property to. It deems this to be UIElement, this perhaps increases the detection of faulty code where accidentally the wrong variable is passe...
Can extension methods be applied to interfaces?
... of Linq is built around interface extension methods.
Interfaces were actually one of the driving forces for the development of extension methods; since they can't implement any of their own functionality, extension methods are the easiest way of associating actual code with interface definitions.
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Save ArrayList to SharedPreferences
...Set the values
Set<String> set = new HashSet<String>();
set.addAll(listOfExistingScores);
scoreEditor.putStringSet("key", set);
scoreEditor.commit();
You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution:
EDIT:
Ok, below is the sol...
How do I hide a menu item in the actionbar?
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Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly.
Update: A MenuItem is not a regular view that's part of your layout. Its som...
View git history for folder
How can I view git log history for all files within a folder ?
2 Answers
2
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Ignore whitespace in HTML [duplicate]
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Oh, you can really easy accomplish that with a single line of CSS:
#parent_of_imgs { white-space-collapse: discard; }
Disadvantage, you ask? No browser has implemented this extremely useful feature (think of inline blocks in general) ye...