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Can you write virtual functions / methods in Java?
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I wonded if it's really true, because for what I've read, in Java, dynamic method dispatch happens only for the object the method is called on - as explained here so the example explaining virtual functions for C++ here is not valid ...
Direct vs. Delegated - jQuery .on()
I am trying to understand this particular difference between the direct and delegated event handlers using the jQuery .on() method . Specifically, the last sentence in this paragraph:
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How would I skip optional arguments in a function call?
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Your post is correct.
Unfortunately, if you need to use an optional parameter at the very end of the parameter list, you have to specify everything up until that last parameter. Generally if you want to mix-and-match, you give them default values of '' or null,...
NodeJS - What does “socket hang up” actually mean?
...);
error.code = 'ECONNRESET';
return error;
}
This is a typical case if the client is a user in the browser. The request to load some resource/page takes long, and users simply refresh the page. Such action causes the previous request to get aborted which on your server side throws this error....
Concurrent HashSet in .NET Framework?
... you the same advantages than a HashSet<T> except key and value are different objects.
Source: Social MSDN
ConcurrentBag
If you don't mind about the duplicate entries, you can use the class ConcurrentBag<T> in the same namespace of the previous class.
private ConcurrentBag<string&...
Android Google Maps v2 - set zoom level for myLocation
...l you can change it on click with the default myLocation Marker. However, if you would like the app to automatically zoom in on your location once it is found, I would check out my answer to this question
Note that the answer I provided does not zoom in, but if you modify the onLocationChanged met...
How can i query for null values in entity framework?
... select entry;
This is a nasty bug which has bitten me several times. If this bug has affected you too, please visit the bug report on UserVoice and let Microsoft know that this bug has affected you as well.
Edit: This bug is being fixed in EF 4.5! Thanks everyone for upvoting this bug!
Fo...
How to run a Python script in the background even after I logout SSH?
... run your script with something like supervise so that it can be restarted if (when) it dies.
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Why doesn't Java allow to throw a checked exception from static initialization block?
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You CAN handle this exception, if you are doing dynamic class loading yourself, with Class.forName(..., true, ...); Granted, this is not something you come across very often.
– LadyCailin
Dec 18 '12 at 21:25
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How to get certain commit from GitHub project
...ar version. (This is known as "detached HEAD" state.) Since it sounds as if you only want to use this SDK, rather than actively develop it, this isn't something you need to worry about, unless you're interested in finding out more about how git works.
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