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Why have header files and .cpp files? [closed]

...e the main reason for existence of HPP files is explained above. #ifndef B_HPP_ #define B_HPP_ // The declarations in the B.hpp file #endif // B_HPP_ or even simpler #pragma once // The declarations in the B.hpp file ...
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Storing R.drawable IDs in XML array

...encoding="utf-8"?> <resources> <integer-array name="random_imgs"> <item>@drawable/car_01</item> <item>@drawable/balloon_random_02</item> <item>@drawable/dog_03</item> </integer-array> </resources> Then...
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Re-enabling window.alert in Chrome

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Is jQuery “each()” function synchronous?

... but you can't guarantee that it'll loop through the items in any specific order. share | improve this answer | follow | ...
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Why can lambdas be better optimized by the compiler than plain functions?

...tantiation (created by the compiler): template <> void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) { for (; begin != end; ++begin) *begin = f.operator()(*begin); } … the compiler knows _some_lambda_type::operator () and can inline calls to it ...
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How to change the foreign key referential action? (behavior)

...tep process: Suppose, a table1 has a foreign key with column name fk_table2_id, with constraint name fk_name and table2 is referred table with key t2 (something like below in my diagram). table1 [ fk_table2_id ] --> table2 [t2] First step, DROP old CONSTRAINT: (reference) ALTER ...
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Is there a command to undo git init?

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sass --watch with automatic minify?

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What is the list of valid @SuppressWarnings warning names in Java?

... o.toString(); }. Some environments (e.g. NetBeans 7.3 w/ Java 6 JDK [1.6.0_41]) will generate "o possibly null" at the o.toString() call even though o can't be null at that point. – par Mar 13 '13 at 1:52 ...
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Difference between filter and filter_by in SQLAlchemy

Could anyone explain the difference between filter and filter_by functions in SQLAlchemy? Which one should I be using? ...