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Why are function pointers and data pointers incompatible in C/C++?

... pointer to objects. The C99 Rationale says: 6.3.2.3 Pointers C has now been implemented on a wide range of architectures. While some of these architectures feature uniform pointers which are the size of some integer type, maximally portable code cannot assume any necessary correspondence...
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Get type of a generic parameter in Java with reflection

...mation with our type parameters in the new ParameterizedType instance. So now we can access concrete types for our generics. Line 6 gets the array of types mapped into our generics, in order as declared in the class code. For this example we pull out the first parameter. This comes back as a Typ...
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Bash: Copy named files recursively, preserving folder structure

... Have you tried using the --parents option? I don't know if OS X supports that, but that works on Linux. cp --parents src/prog.js images/icon.jpg /tmp/package If that doesn't work on OS X, try rsync -R src/prog.js images/icon.jpg /tmp/package as aif suggested. ...
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onIabPurchaseFinished never called.

... had the same issue and that worked perfect. But what i want to know is why doesnt the call back get executed like one would assume, why do we have to make the call to that our self? Kind of makes the callback useless :/ – Spider Mar 21 '13 at 1:37 ...
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Regular expression for a string containing one word but not another

... tail -f mylogfile | grep --line-buffered -v 'bot\|spider' | grep ' / ' Now becomes (with -P perl switch): tail -f mylogfile | grep -P '^(?!.*(bot|spider)).*\s\/\s.*$' share | improve this answ...
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Why is JsonRequestBehavior needed?

... a malicious user can gain access to the JSON payload through a process known as JSON Hijacking. You do not want to return sensitive information using JSON in a GET request. For more details, see Phil's post at http://haacked.com/archive/2009/06/24/json-hijacking.aspx/ or this SO post. ...
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Remove Fragment Page from ViewPager in Android

...ange of all previous fragments baseId += getCount() + n; } } Now, for example if you delete a single tab or make some change to the order, you should call notifyChangeInPosition(1) before calling notifyDataSetChanged(), which will ensure that all the Fragments will be recreated. Why t...
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How can I iterate through the unicode codepoints of a Java String?

So I know about String#codePointAt(int) , but it's indexed by the char offset, not by the codepoint offset. 4 Answers ...
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Difference between single and double quotes in Bash

... For anyone who doesn't know what "interpolate" means: en.wikipedia.org/wiki/String_interpolation – Kolob Canyon May 10 '18 at 17:57 ...
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SQL query for finding records where count > 1

... Thanks for your responses. I think that should do it. If I now wanted to add another filter that checks if the billing ZIP code (same table, different column) is different for the same date how would I modify this query? – Benjamin Muschko Aug 2...