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When can I use a forward declaration?
...he compiler's position: when you forward declare a type, all the compiler knows is that this type exists; it knows nothing about its size, members, or methods. This is why it's called an incomplete type. Therefore, you cannot use the type to declare a member, or a base class, since the compiler woul...
How do I get the coordinates of a mouse click on a canvas element?
...Dom access are done on each click / move. And getBoundingClientRect exists now, and is more elegant.
– GameAlchemist
May 13 '14 at 8:28
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Rails 4: how to use $(document).ready() with turbo-links
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Please note that Rails 4 is now defaulting to Turbolinks 5 which, in turn, is not supported by jquery.turbolinks! See github.com/kossnocorp/jquery.turbolinks/issues/56
– sebastian
Jul 5 '16 at 12:08
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What is stack unwinding?
...e compiler inserting calls to destructors of automatic (stack) variables.
Now this is a very powerful concept leading to the technique called RAII, that is Resource Acquisition Is Initialization, that helps us manage resources like memory, database connections, open file descriptors, etc. in C++.
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Linux vi arrow keys broken in insert mode
...at moment on vi works fine with the arrow keys in insert mode. Edit: I see now this was already mentioned by Han below here.
– pizzamonster
Sep 11 '19 at 11:38
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MySQL error code: 1175 during UPDATE in MySQL Workbench
...s for your answer, but I already answered my question. Check my answer to know what was the problem.
– Jury A
Jul 12 '12 at 17:07
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How to prevent browser page caching in Rails
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use:
expires_now()
http://api.rubyonrails.org/classes/ActionController/ConditionalGet.html#method-i-expires_now
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In Bash, how can I check if a string begins with some value?
...d also have suggested the Bash-Hackers' wiki, but it's been down for a bit now).
– Charles Duffy
Oct 21 '17 at 23:19
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Spring boot @ResponseBody doesn't serialize entity id
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And don't forget to support now getter and setter for the id in the entity class!.. (I forgot it and was searching much time for that)
– phil
Apr 21 '16 at 18:12
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Mercurial: Can I rename a branch?
We now have a "stiging" branch, where "staging" seems to be a far better semantic fit. What's a good strategy for handling this?
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