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How to watch for array changes?

...ent } return n; } }); 1 Alternatively, if you'd like to target all arrays, you could override Array.prototype.push(). Use caution, though; other code in your environment may not like or expect that kind of modification. Still, if a catch-all sounds appealing, just replace myArray with Ar...
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What is the difference between quiet NaN and signaling NaN?

...unit (FPU) or library if floating-point is implemented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is thrown depends on the state of the FPU. C++11 adds a few language controls over the floating-point environment and pr...
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Why aren't python nested functions called closures?

...s in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ? ...
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How to call Base Class's __init__ method from the child class? [duplicate]

... If you pass BaseClass to super, it'll skip over BaseClass and call object.__init__, which is almost certainly not what you want. – abarnert Oct 6 '13 at 7:29 1 ...
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How do I filter query objects by date range in Django?

...year='2011', date__month='01') Edit As Bernhard Vallant said, if you want a queryset which excludes the specified range ends you should consider his solution, which utilizes gt/lt (greater-than/less-than). ...
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./

... The regular expression for this is really simple. Just use a character class. The hyphen is a special character in character classes, so it needs to be first: /[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/ You also need to escape the other regular expressio...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ? 5 Answers ...
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GCC dump preprocessor defines

...nstead of the normal output, generate a list of `#define' directives for all the macros defined during the execution of the preprocessor, including predefined macros. This gives you a way of finding out what is predefined in your version of the preprocessor. Assuming you have no file...
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space

... I marked this answer correct after all these years, because i looked back and the accepted didn't exclude underscores – Michael Randall Apr 12 '18 at 11:23 ...
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What does Python's eval() do?

...less until you find a need for it. It is used on sites like codepad.org to allow you to execute scripts in a test environment. eval() can also be used to execute highly-dynamic code, but you should make yourself fully aware of the security and performance risks before using it. ...