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Does setting Java objects to null do anything anymore?
...the "logical" size of the list should be nulled out, or else they won't be freed.
See Effective Java 2nd ed, Item 6: Eliminate Obsolete Object References.
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Can you help me understand Moq Callback?
...Should you find one, post it here and I'll be happy to edit it in (or feel free to DIY)
– Ruben Bartelink
May 3 '11 at 23:40
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What is the advantage of using REST instead of non-REST HTTP?
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Simply put: NONE.
Feel free to downvote, but I still think there are no real benefits over non-REST HTTP. All current answers are invalid. Arguments from the currently most voted answer:
Simple.
You can make good use of HTTP cache and proxy serve...
Memory management in Qt?
...jects since its based on c++, this library is compatible with new, delete, free and malloc statements, it is well documented and easy to use. Don't forget that when you create your own QDialog or QWidget inherited interface class, and then create a new object of this class, don't forget to execute...
What is the preferred/idiomatic way to insert into a map?
...t(lb, MVT(k, v));
}
}
You may decide to choose a generic-programming-free version of this, but the point is that I find this paradigm (differentiating 'add' and 'update') extremely useful.
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How to create module-wide variables in Python? [duplicate]
...obal is needed
this.db_name = name
# also the name remains free for local use
db_name = "Locally scoped db_name variable. Doesn't do anything here."
else:
msg = "Database is already initialized to {0}."
raise RuntimeError(msg.format(this.db_name))
As mod...
Android: Difference between Parcelable and Serializable?
... in most cases, the slowness of Serializable won’t be
noticeable. Feel free to use it but remember that serialization is
an expensive operation so keep it to a minimum.
If you are trying to pass a list with thousands of serialized objects,
it is possible that the whole process will ta...
How to check if a table exists in a given schema
...e Lib to your SwissKnife. License CC0.
* Check and normalize to array the free-parameter relation-name.
* Options: (name); (name,schema), ("schema.name"). Ignores schema2 in ("schema.name",schema2).
*/
CREATE FUNCTION relname_to_array(text,text default NULL) RETURNS text[] AS $f$
SELECT arra...
How dangerous is it to access an array out of bounds?
...length to either execute or skip a piece of code, the compiler should feel free to run that other code unconditionally even if the application owns the storage past the array and the effects of reading it would have been benign, but the effect of invoking the other code would not be.
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MyISAM versus InnoDB [closed]
...also store the row count internally. Therefore, Count() function is almost free in MyISAM, whereas it take a noticeable amount of time in InnoDB.
– Hedeshy
Dec 9 '15 at 10:46
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