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Rails where condition using NOT NIL
...aving, this is just a tiny facet. But of course a general case is good to know.
– Adam Lassek
Jul 26 '11 at 22:26
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How do I concatenate two strings in C?
...s not the fastest way to do this, but you shouldn't be worrying about that now. Note that the function returns a block of heap allocated memory to the caller and passes on ownership of that memory. It is the responsibility of the caller to free the memory when it is no longer needed.
Call the funct...
Why do people say that Ruby is slow? [closed]
...e signal processing app. It's easier to see what people are talking about now after all these helpful answers.
– stephenmurdoch
Apr 27 '10 at 3:13
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How to get ID of the last updated row in MySQL?
...DATE table SET id=LAST_INSERT_ID(id), row='value' WHERE other_row='blah';. Now, SELECT LAST_INSERT_ID(); will return the updated id. See newtover's answer for more details.
– Joel
Jun 2 '14 at 14:35
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jQuery: select an element's class and id at the same time?
...s one did:
$('#country .save')
so my conclusion is to use the space. Now I don't know if it's to the new version of jQuery that I'm using (1.5.1), but anyway hope this helps to anyone with similar problem that I've had.
edit: Full credit for explanation (in the comment to Alex's answer) goes ...
How to make --no-ri --no-rdoc the default for gem install?
...se don't post "first result on Google" replies. The first result on Google now shows your reply, self-proving why you shouldn't do this. Thanks, of course, for your answer.
– wjl
Sep 4 '11 at 7:52
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java: HashMap not working
...mple
Map<String,Integer> m = new HashMap<String,Integer>();
Now both are objects, so this will work.
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How to pass event as argument to an inline event handler in JavaScript?
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Passing ´event´ is the only way that I know, provided it is supported. Parsing ´this´ is of no use in this situation
– Xotic750
May 6 '13 at 19:01
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ViewPager PagerAdapter not updating the View
...ts but doesn't default back to the first entry in the cursor. Does anyone know how to reset the position when updating the dataset?
– mAndroid
Sep 14 '11 at 5:16
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How to define optional methods in Swift protocol?
... implementation which just returns true — it's fine at the first glance. Now, consider the following pseudo code:
final class SomeParser {
func parse(data: Data) -> [Any] {
if /* delegate.validate(value:) is not implemented */ {
/* parse very fast without validating */
...