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How to determine the memory footprint (size) of a variable?
Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties.
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How do I call ::std::make_shared on a class with only protected or private constructors?
I have this code that doesn't work, but I think the intent is clear:
16 Answers
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Play an audio file using jQuery when a button is clicked
... an audio file when I click the button, but it's not working, my html code is:
6 Answers
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memory_get_peak_usage() with “real usage”
If the real_usage argument is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
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Binary search (bisection) in Python
Is there a library function that performs binary search on a list/tuple and return the position of the item if found and 'False' (-1, None, etc.) if not?
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Python: Select subset from list based on index set
I have several lists having all the same number of entries (each specifying an object property):
5 Answers
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What is the use of printStackTrace() method in Java?
I am going through a socket program. In it, printStackTrace is called on the IOException object in the catch block.
What does printStackTrace() actually do?
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How to convert C# nullable int to int
...that's slightly cleaner:
v2 = v1 ?? default(int);
Any Nullable<T> is implicitly convertible to its T, PROVIDED that the entire expression being evaluated can never result in a null assignment to a ValueType. So, the null-coalescing operator ?? is just syntax sugar for the ternary operator:
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Does the join order matter in SQL?
Disregarding performance, will I get the same result from query A and B below? How about C and D?
4 Answers
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How to search all loaded scripts in Chrome Developer Tools?
... the scripts panel.
Make sure 'Search in anonymous and content scripts' is checked in the DevTools Preferences (F1). This will return results from within iframes and HTML inline scripts:
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