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When should I really use noexcept?
The noexcept keyword can be appropriately applied to many function signatures, but I am unsure as to when I should consider using it in practice. Based on what I have read so far, the last-minute addition of noexcept seems to address some important issues that arise when move constructors throw....
How to do a FULL OUTER JOIN in MySQL?
I want to do a Full Outer Join in MySQL. Is this possible? Is a Full Outer Join supported by MySQL?
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
I have a timer in my JavaScript which needs to emulate clicking a link to go to another page once the time elapses. To do this I'm using jQuery's click() function. I have used $().trigger() and window.location also, and I can make it work as intended with all three.
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When to encode space to plus (+) or %20?
Sometimes the spaces get URL encoded to the + sign, some other times to %20 . What is the difference and why should this happen?
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How to create a multiline UITextfield?
I am developing an application where user has to write some information. For this purpose I need a UITextField which is multi-line (in general UITextField is a single line).
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How to directly initialize a HashMap (in a literal way)?
Is there some way of initializing a Java HashMap like this?:
14 Answers
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sql primary key and index
Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed?
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Deleting a resource using http DELETE
So, given that the DELETE verb in Http is idempotent, when I issue the following request, what should happen the second (or third, or fourth, etc...)?
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Is there a Java reflection utility to do a deep comparison of two objects?
I'm trying to write unit tests for a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
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When and how should I use a ThreadLocal variable?
When should I use a ThreadLocal variable?
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