For example, you want to set 40% alpha transparence to #000000
(black color), you need to add 66
like this #66000000
.
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/* | |
ArrayUtil exposes a set of helper methods for working with | |
ReadableArray (by React Native), Object[], and JSONArray. | |
*/ | |
package com.iodine.start; | |
import com.facebook.react.bridge.Arguments; | |
import com.facebook.react.bridge.ReadableArray; |
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/** | |
* Example to refresh tokens using https://github.com/auth0/node-jsonwebtoken | |
* It was requested to be introduced at as part of the jsonwebtoken library, | |
* since we feel it does not add too much value but it will add code to mantain | |
* we won't include it. | |
* | |
* I create this gist just to help those who want to auto-refresh JWTs. | |
*/ | |
const jwt = require('jsonwebtoken'); |
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/** | |
* Encode string into Base64, as defined by RFC 4648 [http://tools.ietf.org/html/rfc4648]. | |
* As per RFC 4648, no newlines are added. | |
* | |
* Characters in str must be within ISO-8859-1 with Unicode code point <= 256. | |
* | |
* Can be achieved JavaScript with btoa(), but this approach may be useful in other languages. | |
* | |
* @param {string} str ASCII/ISO-8859-1 string to be encoded as base-64. | |
* @returns {string} Base64-encoded string. |