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Abstract classes in Swift Language
...act:
class AbstractClass {
private init() {
}
}
Note that, in order for the private modifiers to work, you must define this class in a separate Swift file.
EDIT: Still, this code doesn't allow to declare an abstract method and thus force its implementation.
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Copy the entire contents of a directory in C#
... letter each. I haven’t tried this. But just to illustrate the point: in order to make this code overflow on a typical computer, the directories would have to be nested a few thousand times. This is simply not a realistic scenario.
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How to serialize SqlAlchemy result to JSON?
...inst cases where a relationship is repeated? For example, if I have online_order and address, both with a relationship to user, but online_order also has an relationship to address. If I wanted to serialize all of this, I'd have to include address in the fields_to_expand, but I wouldn't want to redu...
In MySQL queries, why use join instead of where?
...x queries can benefit from using ANSI-92 syntax:
Ability to control JOIN order - the order which tables are scanned
Ability to apply filter criteria on a table prior to joining
From a Maintenance Perspective:
There are numerous reasons to use ANSI-92 JOIN syntax over ANSI-89:
More readable...
Align items in a stack panel?
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Note however that this changes (reverses) the order of the controls in the StackPanel.
– rumblefx0
Jan 28 '14 at 7:36
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Why is an array not assignable to Iterable?
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This means in order to support the Iterable interface, primitive arrays must be specialized to use the wrapper classes. None of this is really a big deal though, since type parameters are all fake anyway.
– thejoshwol...
Android: How to enable/disable option menu item on button click?
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How to update the current menu in order to enable or disable the items when an AsyncTask is done.
In my use case I needed to disable my menu while my AsyncTask was loading data, then after loading all the data, I needed to enable all the menu again in order ...
Should we pass a shared_ptr by reference or by value?
... slightly slower than plain old increment/decrement code, but is needed in order to be thread safe. Beyond that, the two methods are the same for most intents and purposes.
– Evan Teran
Jul 29 '10 at 2:02
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How to @link to a Enum Value using Javadoc
... I like @see but sometimes you need special cases. For example, my orders have an isWithdrawn() method, and I specifically say @return true if the status of this order is equal to OrderStatus#WITHDRAWN, false otherwise
– corsiKa
Oct 3 '13 at 17:21
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How to run a background task in a servlet based web application?
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I would suggest using a library like quartz in order to run the task at regular intervals. What does the servlet really do ? It sends you a report ?
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