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Most efficient way to create a zero filled JavaScript array?

...rray(5) you're creating an object that kinda looks like this: { length: 5, __proto__: Array.prototype } - try console.dir( Array(5) ). Notice that it doesn't have any properties 0, 1, 2, etc. But when you apply that unto the Array constructor, it's like saying Array(undefined, undefined, undefined, ...
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How do I parse a string to a float or int?

... Python method to check if a string is a float: def is_float(value): try: float(value) return True except: return False A longer and more accurate name for this function could be: is_convertible_to_float(value) What is, and is not a float in Python may surpris...
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?

...way to do an operation" as a constraint. Rightly so, because for example to_string and lambdas are both conveniences for things you could do already. I suppose one could interpret "only one way to do an operation" very loosely to allow both of those, and at the same time to allow almost any duplicat...
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Javascript : natural sort of alphanumerical strings

...llator(undefined, {numeric: true, sensitivity: 'base'}); var myArray = ['1_Document', '11_Document', '2_Document']; console.log(myArray.sort(collator.compare)); share | improve this answer ...
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In pure functional languages, is there an algorithm to get the inverse function?

...he functional languages have that option. For example: f :: a -> Int f _ = 1 This function does not have an inverse. share | improve this answer | follow ...
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Usages of Null / Nothing / Unit in Scala

...wered Apr 23 '13 at 16:40 pagoda_5bpagoda_5b 6,84711 gold badge2323 silver badges3737 bronze badges ...
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Fastest way to flatten / un-flatten nested JSON objects

...is implementation also has a prototype pollution bug, e.g. unflatten({"foo.__proto__.bar": 42}) – Alex Brasetvik Feb 19 at 14:06 add a comment  |  ...
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Meaning of $? (dollar question mark) in shell scripts

.../drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I can just say if [ $drupa...
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Can I replace groups in Java regex?

... replace the password fields from the input: {"_csrf":["9d90c85f-ac73-4b15-ad08-ebaa3fa4a005"],"originPassword":["uaas"],"newPassword":["uaas"],"confirmPassword":["uaas"]} private static final Pattern PATTERN = Pattern.compile(".*?password.*?\":\\[\"(.*?)\"\\](,\"|}$...
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How to write a test which expects an Error to be thrown in Jasmine?

...eption) { result = (expected === jasmine.undefined || this.env.equals_(exception.message || exception, expected.message || expected) || this.env.equals_(exception.name, expected)); } var not = this.isNot ? "not " : ""; this.message = function() { if (exception && (expected ...