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What it the significance of the Javascript constructor property?

...the constructor property is used in a few places. However, I think the overall gist still applies. Thanks to T. J. Crowder for pointing that out in the comments, and please read his answer for a fuller picture of the current situation. Original answer The constructor property makes absolutely no pra...
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Passing command line arguments to R CMD BATCH

...of a relict. In any case, the more recent Rscript executable (available on all platforms), together with commandArgs() makes processing command line arguments pretty easy. As an example, here is a little script -- call it "myScript.R": ## myScript.R args <- commandArgs(trailingOnly = TRUE) rnor...
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PHP global in functions

...ngletons, registries, constants). You do not want to use them. A function call should not have to rely on anything outside, e.g. function fn() { global $foo; // never ever use that $a = SOME_CONSTANT // do not use that $b = Foo::SOME_CONSTANT; // do not use that unl...
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Ignore .pyc files in git repository

...t to to do it beforehand, if you just add the line to the .gitignore file, all previously committed .pyc files will still be tracked, so you'll need to remove them from the repository. If you are on a Linux system (or "parents&sons" like a MacOSX), you can quickly do it with just this one line ...
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How to override the copy/deepcopy operations for a Python object?

...accepting a memo arg too) but before the return it would have to call self.foo = deepcopy(self.foo, memo) for any attribute self.foo that needs deep copying (essentially attributes that are containers -- lists, dicts, non-primitive objects which hold other stuff through their __dict__s). ...
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Javascript how to split newline

... or, more specifically, /\r?\n/ ... I think using | (or) would interleave empty results for CRLF line endings. – Dusty Oct 5 '16 at 16:39 ...
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How to declare a global variable in php?

...']; } From the Manual: An associative array containing references to all variables which are currently defined in the global scope of the script. The variable names are the keys of the array. If you have a set of functions that need some common variables, a class with properties may be a g...
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What is the purpose of class methods?

...sson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions. 17 Answers ...
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Clear file cache to repeat performance testing

... answered Mar 10 '12 at 19:22 smallestsmallest 84677 silver badges22 bronze badges ...
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C# Ignore certificate errors?

... Add a certificate validation handler. Returning true will allow ignoring the validation error: ServicePointManager .ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true; ...