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Determine what attributes were changed in Rails after_save callback?
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Aaron Brager
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answered Oct 5 '10 at 8:09
Radek Paviens...
Is it possible to forward-declare a function in Python?
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edited May 27 '16 at 0:20
Borodin
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answered...
Why shouldn't Java enum literals be able to have generic type parameters?
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This is now being discussed as of JEP-301 Enhanced Enums. The example given in the JEP is, which is precisely what I was looking for:
enum Argument<X> { // declares generic enum
STRING<String>(String.class),
INTEGER<Integer>(Integer.class...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Jun 4 '10 at 10:19
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NoSQL - MongoDB vs CouchDB [closed]
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answered Jul 30 '10 at 21:50
amraamra
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form_for with nested resources
... discussion related to nested resources, e.g. http://weblog.jamisbuck.org/2007/2/5/nesting-resources
Interestingly, I just learned that most people's unit-tests are not actually testing all paths. When people follow jamisbuck's suggestion, they end up with two ways to get at nested resources. Their...
Java executors: how to be notified, without blocking, when a task completes?
...ge: " + msg);
}
}
class ExampleService {
String work() {
sleep(7000, TimeUnit.MILLISECONDS); /* Pretend to be busy... */
char[] str = new char[5];
ThreadLocalRandom current = ThreadLocalRandom.current();
for (int idx = 0; idx < str.length; ++idx)
str[idx] = (char) ('A...
How to do a Jquery Callback after form submit?
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edited Dec 31 '13 at 19:30
Norman H
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answered Jul 18 '12 at 14...
Recommended method for escaping HTML in Java
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answered Aug 12 '09 at 10:00
dfadfa
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Why does python use 'else' after for and while loops?
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It's a strange construct even to seasoned Python coders. When used in conjunction with for-loop...