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Is it possible to import a whole directory in sass using @import?

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Removing duplicates in lists

...u’re often better off using a set, especially because it gives you a lot more operations to work with. Check out this question for more details and alternative ways to preserve the order when removing duplicates. Finally note that both the set as well as the OrderedDict/dict solutions require y...
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Functional style of Java 8's Optional.ifPresent and if-not-Present?

...I could not find any alternatives, here another implementation I preferred more public class OptionalConsumer<T> { private Optional<T> optional; private OptionalConsumer(Optional<T> optional) { this.optional = optional; } public static <T> OptionalC...
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Is there a way to check if a file is in use?

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Which characters need to be escaped when using Bash?

...ed command: sed -e 's/./\\&/g; 1{$s/^$/""/}; 1!s/^/"/; $!s/$/"/'. 2b. More readable version of 2 There's an easy safe set of characters, like [a-zA-Z0-9,._+:@%/-], which can be left unescaped to keep it more readable I\'m\ a\ s@fe\ \$tring\ which\ ends\ in\ newline" " sed command: LC_ALL=C ...
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Why are my JavaScript function names clashing?

...f(); Which explains what you're getting, you're overriding the function. More generally, multiple var declarations are allowed in JavaScript - var x = 3; var x = 5 is perfectly legal. In the new ECMAScript 6 standard, let statements forbid this. This article by @kangax does a fantastic job in dem...
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Why does this Java code compile?

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How to find out if you're using HTTPS without $_SERVER['HTTPS']

... would have to test using the HTTP_X_FORWARDED_PROTO header, but it's much more complex to do; see latest comments below this answer. share | improve this answer | follow ...
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Is it possible to use the instanceof operator in a switch statement?

... OP's question was about type based dispatching. If your do() method needs more input in order to dispatch than your problem is IMHO outside the scope of the question discussed here. – jmg May 29 '15 at 16:16 ...
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Vim: What's the difference between let and set?

... Set is a more user-friendly interface specialized for options E.g. :verbose set to display all options in effect. :set tw=40 Will work as a shorthand for set textwidth=40 :set wrap& Will set the default value for option...