Im using Node.js. (…and underscore.js) Consider this data structure numbers contain arrays that always contain number pairs. Think of these number pairs as “start” and “end”. I want a function that takes numbers as argument, and loop trough its content, and if the “start…
Author: admin@master
JavaScript Regex to capture repeating part of decimal
Looking for the best way to take an arbitrary number with potentially repeating decimal part, and discover the repeating part (if present). Ultimately, I need to decorate the number with overline notation (either with css text-decoration or MathML mline), so I need to know the index of where the repetition be…
Issue accessing state inside setInterval in React.js
I am trying to access the state of a component inside a setInterval in this way but it’s not working: However, if I place the callback function in a separate component method, it works perfectly: Any idea why is this happening? I would prefer to use the first option. Answer In your first example, this i…
Upload files Sails JS Skipper v0.10.5
I am uploading files with skipper, everything it’s working perfectly, but I have a problem with the option saveAs I am assigning it’s value by means of a function but it doesn’t work, how can I assign the value of req.param(‘titulo’) + file extension to the option saveAs? I also …
onclick in InfoWindow content
I got a little problem in my code, I try to launch a function in the content of a InfoWindow in javascript, and, I don’t know why, I got difficulties to do that. I’ve looked at a lot of topics about it on stackoverflow and elsewhere, applied exactly what I’ve seen on these topics but… …
WebRTC issue when using RecordRTC
We use the RecordRTC library to record user audio to our system. But an user got this error: Uncaught sample-rate must be under range 22050 and 96000 And I’m not sure what does it mean, as far as I could find on google it has something to do with his hardware (mic or headphone). Is that correct? There&#…
NodeJS Nested Event listeners
I don’t get it, Why passed argument to the event emitter with nested event listeners streams all values? Is it because it has to pass through the upper level ‘join’ listener? Is variable information stored somewhere? This creates TCP server. Then you can join with tellnet localhost 7000, Ans…
How to check the validity of a number type input sing javascript?
I have implemented in a form a number type input, with specified min and max : The input type number works : if something else then a number is entered or if the number value is not in the specified range, the input becomes Red. I have a javascript function that submit the form on input change. I would like
My JavaScript isn’t changing className property
Here is the main part of my code attempting to toggle class on a p tag (info) on click of my button (btn). I’m not sure what I’m doing wrong. I have never used the className property before so I’m not sure if I’m missing something simple, or if there is fundamental error in my logic tr…
‘unsafe-eval’ on chrome extension
I am trying to run the following: Which should (in theory), on page load run the loadScript.js file…. the loadScript.js file is as follows, this should append a file to the running page, not to the background page as it is at the moment: I am still a newbie to Chrome Extensions and .js so excuse me if I…