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What characters can be used for up/down triangle (arrow without stem) for display in HTML?

... U+26AB ⚫ MEDIUM BLACK CIRCLE U+26BD ⚽ SOCCER BALL U+26BE ⚾ BASEBALL U+26BF ⚿ SQUARED KEY U+26C0 ⛀ WHITE DRAUGHTSMAN U+26C1 ⛁ WHITE DRAUGHTS KING U+26C2 ⛂ BLACK DRAUGHTSMAN U+26C3 ⛃ BLACK DRAUGHTS KING U+26C4 ⛄ SNOWMAN WITHOUT SNOW U+26C5 ⛅ SUN BEHIN...
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How to find out which package version is loaded in R?

... LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] graphics grDevices utils datasets stats grid methods base other attached packages: [1] ggplot2_0.9.0 reshape2_1.2.1 plyr_1.7.1 loaded via a namespace (and not attached): [1] co...
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How do I create directory if none exists using File class in Ruby?

...the simple solution: require 'fileutils' FileUtils.mkdir_p 'dir_name' Based on Eureka's comment. share | improve this answer | follow | ...
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What do the following phrases mean in C++: zero-, default- and value-initialization?

... — if T is a non-union class type, each nonstatic data member and each base-class subobject is zero-initialized; — if T is a union type, the object’s first named data member is zero-initialized; — if T is an array type, each element is zero-initialized; — if T is a reference type, ...
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Calculate the date yesterday in JavaScript

...((new Date()).valueOf() - 1000*60*60*24); this creates a new date object based on the value of "now" as an integer which represents the unix epoch in milliseconds subtracting one day. Two days ago: var twoDaysAgo = new Date((new Date()).valueOf() - 1000*60*60*24*2); An hour ago: var oneHourAg...
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how to get request path with express req object

... Warning: This is a misleading answer, based on the OP question. This will also return the query string (e.g. ?a=b&c=5) if it was present. See expressjs.com/en/api.html#req.originalUrl – Ciabaros May 29 '19 at 14:32 ...
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File input 'accept' attribute - is it useful?

... a hundred different file types. Usage Note: These examples were written based on the current specification and may not actually work in all (or any) browsers. The specification may also change in the future, which could break these examples. h1 { font-size: 1em; margin:1em 0; } h1 ~ h1 { bo...
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Javascript “this” pointer within nested function

... In JavaScript the this object is really based on how you make your function calls. In general there are three ways to setup the this object: someThing.someFunction(arg1, arg2, argN) someFunction.call(someThing, arg1, arg2, argN) someFunction.apply(someThing, [ar...
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Use Font Awesome icon as CSS content

...to change the font-family to Font Awesome 5 Brands OR Font Awesome 5 Free, based on the type of icon you are trying to render. Also, do not forget to declare font-weight: 900; a:before { font-family: "Font Awesome 5 Free"; content: "\f095"; display: inline-block; padding-right: 3px; ...
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Java or Python for Natural Language Processing [closed]

...originated out of Google's Natural Language Toolkit project that is Python based. You can find a link to that code here on GitHub. Java The first place to look would be Stanford's Natural Language Processing Group. All of software that is distributed there is written in Java. All recent distributi...