Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.
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| /** | |
| * VH and VW units can cause issues on iOS devices: http://caniuse.com/#feat=viewport-units | |
| * | |
| * To overcome this, create media queries that target the width, height, and orientation of iOS devices. | |
| * It isn't optimal, but there is really no other way to solve the problem. In this example, I am fixing | |
| * the height of element `.foo` —which is a full width and height cover image. | |
| * | |
| * iOS Resolution Quick Reference: http://www.iosres.com/ | |
| */ | |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
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| var externalObj = {key: 'value'}; | |
| var items = { | |
| obj: { | |
| 'string prop': 'string val', | |
| 5: 10, | |
| nested: [[3, [5, 2]]], | |
| 'function': function(){return true;}, | |
| reference: externalObj | |
| }, |
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| $base-font-size: 16px; | |
| $base-line-height: 1.5; | |
| // this value may vary for each font | |
| // unitless value relative to 1em | |
| $cap-height: 0.68; | |
| @mixin baseline($font-size, $scale: 2) { |
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| #!/bin/bash | |
| hash jq 2>/dev/null || \ | |
| { | |
| echo >&2 "I require jq (http://stedolan.github.io/jq/) but it's not installed. Aborting."; | |
| exit 1; | |
| } | |
| # Produces the usage output when the script is asked for help. | |
| # |
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| The regex patterns in this gist are intended only to match web URLs -- http, | |
| https, and naked domains like "example.com". For a pattern that attempts to | |
| match all URLs, regardless of protocol, see: https://gist.github.com/gruber/249502 | |
| License: https://opensource.org/license/bsd-3-clause | |
| # Single-line version: | |
| (?i)\b((?:https?:(?:/{1,3}|[a-z0-9%])|[a-z0-9.\-]+[.](?:com|net|org|edu|gov|mil|aero|asia|biz|cat|coop|info|int|jobs|mobi|museum|name|post|pro|tel|travel|xxx|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cs|cu|cv|cx|cy|cz|dd|de|dj|dk|dm|do|dz|ec|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|iq|ir|is|it|je|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|ps |
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| # ClojureHelpers.py for Sublime Text 3 | |
| # originally by James MacCaulley | |
| # https://gist.github.com/jamesmacaulay/5457344 | |
| import re | |
| import sublime | |
| import sublime_plugin | |
| import SublimeREPL.sublimerepl | |
| import SublimeREPL.text_transfer |
Find it here: https://github.com/bitemyapp/learnhaskell
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| " copy all this into a vim buffer, save it, then... | |
| " source the file by typing :so % | |
| " Now the vim buffer acts like a specialized application for mastering vim | |
| " There are two queues, Study and Known. Depending how confident you feel | |
| " about the item you are currently learning, you can move it down several | |
| " positions, all the way to the end of the Study queue, or to the Known | |
| " queue. | |
| " type ,, (that's comma comma) |