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Why do std::shared_ptr work
... @user102008 you don't need ‘std::function‘ but it is a bit more flexible (probably does not matter here at all), but that does not change how type erasure works, if you store ‘delete_deleter<T>‘ as the function pointer ‘void ( void* )‘ you are performing the type erasur...
Postgresql: password authentication failed for user “postgres”
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How to render a DateTime object in a Twig template
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What's quicker and better to determine if an array key exists in PHP?
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Can you run the benchmark again with the more correct "(isset($array[$i]) || $array[$i] === null)"?
– Tomalak
Mar 31 '09 at 6:36
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How do I restrict a float value to only two places after the decimal point in C?
...vious" decimal values, but they will be very very close.
For much (much!) more information on rounding, and especially on tie-breaking rules for rounding to nearest, see the Wikipedia article on Rounding.
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Ternary operator in AngularJS templates
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R script line numbers at error?
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Doing options(error=traceback) provides a little more information about the content of the lines leading up to the error. It causes a traceback to appear if there is an error, and for some errors it has the line number, prefixed by #. But it's hit or miss, many errors won...
Why is address zero used for the null pointer?
...tributing factor. In the days when C was first developed, memory was MUCH more costly than now. The number zero can be conveniently calculated using an XOR instruction or without the need to load an immediate value. Depending upon the architecture, this could potentially save space.
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How to check if a process is running via a batch script
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