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How to use single storyboard uiviewcontroller for multiple subclass
...previous associations are cleared, or it will get crashes when it tries to communicate to the previous view controller. You will be able to recognize them as KVO error messages in the log output.
A couple of approaches you could take:
store the UI elements in a UIView - in a xib file and instant...
How to sort a dataframe by multiple column(s)
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Regular expression for first and last name
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Catch an exception thrown by an async void method
.../* The exception will be caught because you've
waited for the completion of the call. */
}
}
Async void methods have different error-handling semantics. When an exception is thrown out of an async Task or async Task method, that exception is captured and placed on the Task obj...
Using an ORM or plain SQL? [closed]
...dn't stick with them for long. Usually it was either the documentation or complexity (from my point of view) holding me back.
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How does Java Garbage Collection work with Circular References?
...ind out when it gets collected (although that's about the only thing I'd recommend using finalize() for).
– Bill the Lizard
Dec 15 '09 at 20:40
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Why doesn't Objective-C support private methods?
...ss all methods.
As many have answered (both here and in other questions), compile-time private methods are supported; if a class doesn't declare a method in its publicly available interface, then that method might as well not exist as far as your code is concerned. In other words, you can achieve...
jQuery Ajax POST example with PHP
..., false);
});
});
Note: Since jQuery 1.8, .success(), .error() and .complete() are deprecated in favor of .done(), .fail() and .always().
Note: Remember that the above snippet has to be done after DOM ready, so you should put it inside a $(document).ready() handler (or use the $() shorthand)...
Postgres and Indexes on Foreign Keys and Primary Keys
...put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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Is it expensive to use try-catch blocks even if an exception is never thrown?
...ork of setting up the try at runtime, the code's metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist that would catch this exception. From a layman's perspective, try may...