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How to emulate GPS location in the Android Emulator?
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Mind the order, lon before lat!
– Christoph
Apr 14 '14 at 21:48
15
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Java executors: how to be notified, without blocking, when a task completes?
...y to wait for several threads to complete execution before continuing.
In order to achieve the callback effect you're looking after, that does require a little additional extra work. Namely, handling this by yourself in a separate thread which uses the CountDownLatch and does wait on it, then goes ...
When NOT to call super() method when overriding?
....save() will perform the save() logic for both A and B, in this particular order. If you weren't calling super.save() inside B.save(), A.save() wouldn't be called. And if you called super.save() after save(b), A.save() would be effectively performed afterwards B.save().
If you want to override supe...
Find most frequent value in SQL column
...) AS `value_occurrence`
FROM `my_table`
GROUP BY `column`
ORDER BY `value_occurrence` DESC
LIMIT 1;
Replace column and my_table. Increase 1 if you want to see the N most common values of the column.
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Doctrine - How to print out the real sql, not just the prepared statement?
... $query->getParameters(); will NOT return parameters in correct order, as they should appear in prepared query statement
– gondo
Dec 9 '16 at 13:16
4
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Overriding a Rails default_scope
... you end up putting this in a class method like: def self.random; unscoped.order('rand()'); end unscoped removes ALL sql before it, not just what is listed under default_scope. While technically a correct answer, be careful using unstopped
– Schneems
Dec 25 '11...
How do I install and use curl on Windows?
... environment), and you won't have to type the full pathname to curl.exe in order to run it.
– theglauber
Mar 1 '12 at 15:33
11
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Is there a built-in method to compare collections?
... The problem is that SequenceEqual expects the elements to be in the same order. The Dictionary class does not guarantee the order of keys or values when enumerating, so if you're going to use SequenceEqual, you have to sort the .Keys and .Values first!
– Orion Edwards
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Method Resolution Order (MRO) in new-style classes?
...tyle classes to demonstrate how methods are resolved in classic resolution order and
how is it different with the new order.
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How to “warm-up” Entity Framework? When does it get “cold”?
...o warm up those apart from: Doing dummy data reads at Application Start in order to warm things up, generate and validate the models.
– manishKungwani
Jul 4 '13 at 19:51
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