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What's the fastest way to loop through an array in JavaScript?

...yntactically obvious). A standard for-loop with length caching var i = 0, len = myArray.length; while (i < len) { // your code i++ } I would say, this is definitely a case where I applaud JavaScript engine developers. A runtime should be optimized for clarity, not cle...
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New Array from Index Range Swift

... This works for me: var test = [1, 2, 3] var n = 2 var test2 = test[0..<n] Your issue could be with how you're declaring your array to begin with. EDIT: To fix your function, you have to cast your Slice to an array: func aFunction(numbers: Array<Int>, position: Int) -> Array&...
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How to draw a rounded Rectangle on HTML Canvas?

... 50 The HTML5 canvas doesn't provide a method to draw a rectangle with rounded corners. How about u...
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

...abled): run the command vim /etc/mysql/my.cnf comment bind-address = 127.0.0.1 using the # symbol restart your mysql server once. Update In Step 1, if you cannot find bind-address in the my.cnf file, look for it in /etc/mysql/mysql.conf.d/mysqld.cnf file. Update in case of MySQL replication en...
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Searching for UUIDs in text with regex

...e five equivalent string representations for a GUID: "ca761232ed4211cebacd00aa0057b223" "CA761232-ED42-11CE-BACD-00AA0057B223" "{CA761232-ED42-11CE-BACD-00AA0057B223}" "(CA761232-ED42-11CE-BACD-00AA0057B223)" "{0xCA761232, 0xED42, 0x11CE, {0xBA, 0xCD, 0x00, 0xAA, 0x00, 0x57, 0xB2, 0x23}}" ...
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How to check if a string is a valid hex color representation?

... /^#[0-9A-F]{6}$/i.test('#AABBCC') To elaborate: ^ -> match beginning # -> a hash [0-9A-F] -> any integer from 0 to 9 and any letter from A to F {6} -> the previous group appears exactly 6...
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Can a class member function template be virtual?

... answered Mar 1 '10 at 8:52 sbisbi 198k4444 gold badges232232 silver badges423423 bronze badges ...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...conds with'%Q tho. – Mini John Feb 10 '15 at 2:13 3 To follow up on @TheMiniJohn's answer. It loo...
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Formatting a number with exactly two decimals in JavaScript

...ich rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following? ...
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How to compare versions in Ruby?

... Gem::Version.new('0.4.1') > Gem::Version.new('0.10.1') share | improve this answer | follow | ...