Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment? For the record, below is the original version of the question, with examples. I'm writing a script in bash which parses files with 3 variables in a certain folder, this is one of them: MINIENTREGA_FECHALIMITE="2011-03-31" MINIENTREGA_FICHEROS="informe.txt programa.c" MINIENTREGA_DESTINO="./destino/entrega-
How can I transition height: 0; to height: auto; using CSS?
I am trying to make a <ul> slide down using CSS transitions. The <ul> starts off at height: 0;. On hover, the height is set to height:auto;. However, this is causing it to simply appear, not transition, If I do it from height: 40px; to height: auto;, then it will slide up to height: 0;, and then suddenly jump to the correct height. How else could I do this without using JavaScript? #child0 { heigh
Secure random token in Node.js
In this question Erik needs to generate a secure random token in Node.js. There's the method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _. Therefore, the easiest way to generate such token I've found is require('crypto').randomBytes(48, function(ex, buf) { token = buf.toString('base64').replace(/\//g
Transpile Async Await proposal with Babel.js?
Babel v6 As of Babel v6, Babel doesn't contain any transformers itself anymore. You have to explicitly specify any feature you want to transform. Presets - non ES2015 environment The quickest way to get this working is to use presets which already contain the set of plugins needed to transform ES2015 and newer proposals. For async, you will need the es2015 and es2017 presets and the runtime plugin
How do I configure Travis-CI to use the correct time zone for a rails app?
In my application.rb, I have config.time_zone = "Pacific Time (US & Canada)" And this works correctly in development/test, and production servers. However when I push to Travis-CI, it appears to be localized to UTC for example the output of I18n.l Time.now. Is there something different about the Travis-CI ruby/rails environment?
Split large string in n-size chunks in JavaScript
I would like to split a very large string (let's say, 10,000 characters) into N-size chunks. What would be the best way in terms of performance to do this? For instance: "1234567890" split by 2 would become ["12", "34", "56", "78", "90"]. Would something like this be possible using String.prototype.match and if so, would that be the best way to do it in terms of performance?
Optionally inject Content Script
You cannot run code on a site without the appropriate permissions. Fortunately, you can add the host permissions to optional_permissions in the manifest file to declare them optional and still allow the extension to use them. In response to a user gesture, you can use chrome.permission.request to request additional permissions. This API can only be used in extension pages (background page, popup p
How to test API request failures with Redux Saga?
I am trying to test every scenarios my saga could follow, but i am not able to make happens the behaviors i want. This is pretty simple, i have a HTTP request (login), and i want to test the success and the failure cases by mocking my API method. But, it looks like the call effect doesn't fire my api function, i don't really get yet how it works, but i guess that the middleware is in charge of inv
How to structure Redux components/containers
I’m using redux and I’m not sure about how to organize my components, I think the best is to keep them in folders with the name of the main component as the name of the folder and all inner components inside: components Common/ things like links, header titles, etc Form/ buttons, inputs, etc Player/ all small components forming the player index.js this one is the top layout component playBtn.js ar
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