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jquery .html() vs .append()

...y's methods, this is what happens: A temporary element is created, let's call it x. x's innerHTML is set to the string of HTML that you've passed. Then jQuery will transfer each of the produced nodes (that is, x's childNodes) over to a newly created document fragment, which it will then cache for n...
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Is Java “pass-by-reference” or “pass-by-value”?

... Java is always pass-by-value. Unfortunately, we never handle an object at all, instead juggling object-handles called references (which are passed by value of course). The chosen terminology and semantics easily confuse many beginners. It goes like this: public static void main(String[] args) { ...
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vector::at vs. vector::operator[]

... I'd say the exceptions that vector::at() throws aren't really intended to be caught by the immediately surrounding code. They are mainly useful for catching bugs in your code. If you need to bounds-check at runtime because e.g. the index comes from user input, you're indeed best of...
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Lists: Count vs Count() [duplicate]

...ount property is part of the List itself (derived from ICollection). Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the day, there's no difference which one you use for a List. To prove my point further, here's t...
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How to measure time in milliseconds using ANSI C?

... Doesn't this measure cpu time and not wall time? – krs013 Feb 1 '15 at 4:53  |  show 1 more comment ...
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'size_t' vs 'container::size_type'

... The standard containers define size_type as a typedef to Allocator::size_type (Allocator is a template parameter), which for std::allocator<T>::size_type is typically defined to be size_t (or a compatible type). So for the standard case, they are the same. However, if you us...
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Displaying build times in Visual Studio?

... Visual Studio 2012 - 2019 For MSBuild Projects (e.g. all .Net-Projects): Click Tools -> Options and then select Projects and Solutions -> Build and Run. Change MSBuild project build output verbosity to Normal. So it will display Time Elapsed in every Solution Project it b...
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How to print the ld(linker) search path

...he spot. I have a linking problem, during linking process linker finds manually installed libraries in /usr/local/.. which causes missing library error, and linking fails. I have to rename /usr/local everytime to exclude that search path. Is there a simple way to exclude or override /usr/local path?...
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Pointer vs. Reference

...meter then you must either check explicitly that it is not NULL, or search all usages of the function to be sure that it is never NULL. This effort is not required for references. – Richard Corden Sep 22 '08 at 11:10 ...
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Synchronization vs Lock

java.util.concurrent API provides a class called as Lock , which would basically serialize the control in order to access the critical resource. It gives method such as park() and unpark() . ...