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When does invoking a member function on a null instance result in undefined behavior?
...stand is why it's undefined behavior to dereference a null pointer. In C++03, there's actually a bit of ambiguity here.
Although "dereferencing a null pointer results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)...
How to set selected value of jquery select2?
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To dynamically set the "selected" value of a Select2 component:
$('#inputID').select2('data', {...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
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edited Mar 11 '12 at 3:44
answered Mar 11 '12 at 3:38
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Best way to create unique token in Rails?
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-- Update --
As of January 9th, 2015. the solution is now implemented in Rails 5 ActiveRecord...
Linux bash: Multiple variable assignment
...First thing that comes into my mind:
read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c"
output is, unsurprisingly
1|2|3
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How is pattern matching in Scala implemented at the bytecode level?
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