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Are global variables in PHP considered bad practice? If so, why?

...riable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; . ...
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What is 'Pattern Matching' in functional languages?

...ding about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages. ...
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What is @ModelAttribute in Spring MVC?

What is the purpose and usage of @ModelAttribute in Spring MVC? 13 Answers 13 ...
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Function overloading in Javascript - Best practices

What is the best way(s) to fake function overloading in Javascript? 36 Answers 36 ...
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How can I check for NaN values?

... math.isnan(x) Return True if x is a NaN (not a number), and False otherwise. >>> import math >>> x = float('nan') >>> math.isnan(x) True ...
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“static const” vs “#define” vs “enum”

Which one is better to use among the below statements in C? 17 Answers 17 ...
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What is the difference between Forking and Cloning on GitHub?

... Basically, yes. A fork is just a request for GitHub to clone the project and registers it under your username; GitHub also keeps track of the relationship between the two repositories, so you can visualize the commits and pulls between the two proj...
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How to create a self-signed certificate with OpenSSL

...ES) if you don't want to protect your private key with a passphrase. Otherwise it will prompt you for "at least a 4 character" password. The days parameter (365) you can replace with any number to affect the expiration date. It will then prompt you for things like "Country Name", but you can just h...
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How to catch integer(0)?

... That is R's way of printing a zero length vector (an integer one), so you could test for a being of length 0: R> length(a) [1] 0 It might be worth rethinking the strategy you are using to identify which elements you want, bu...
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How to Convert Boolean to String

... share | improve this answer | follow | edited Oct 10 '19 at 22:47 Player1 9401212 silver ...