My environment is NodeJS, although this could be a web related problem as well. I have a large set of data from a database which I am attempting to enumerate over. However, for the sake of argument lets say that I have an array of 20,000 strings: and I want to enumerate this list asynchronously, lets say usin…
Tag: javascript
JavaScript Chart.js – Custom data formatting to display on tooltip
I have looked at various documentation and similar questions on here, but cannot seem to find the particular solution. Apologies if I have missed anything obvious or have repeated this question! As a bit of background info, I have implemented 4 graphs using the Chart.js plugin and passed in the required data …
Handlebars re-compile templates
I’m working with handlebars and I have this situation. I do a request to a server, and get all the data I need to put it on the views. I use handlebars to put that data, and have no problem. Now, I need to do the request every 1 or 2 minutes. But when I’m going to put the data
Prevent hover triggering for div in raphael
I need to draw custom dom tooltip over raphael svg element. How to prevent event triggering mouseleave for element, when you hover tooltip? Check this example: http://jsfiddle.net/QK7hw/707/ Answer Try adding the style To the tooltip, that should stop the odd hover flashing. jsfiddle
convert CSV lines into Javascript objects
I have a simple csv file people.csv: What I want to do it get each line of the CSV, convert it to a JavaScript object, store them into an array, and then convert the array into a JSON object. server.js: My question is if I am actually converting that CSV lines into Javascript objects when I call the .split(&#…
How to turn Bootstrap Carousel slides to change on scroll?
I am using bootstrap carousel in my website. But I want its functionality little different. I want slides to change on mouseScroll (each slide on each time mouse scrolled). How can I achieve it with Bootstrap Carousel? jsfiddle Answer $(‘#myCarousel’).carousel(‘next’) slides to next it…
plot lightning data in Google maps
I’ve got a weather website, which misses lightning data. I found a data source from Blitzortung.org wich contains the Lat, Lon and time info of a lightning strike. How do I get this on Google Maps? I want the data to be realtime, just like on blitzortung.org. It should be displayed on the map, preferabl…
fabricjs How can i keep fixed size on group elements while others scaling?
Hello I use fabricjs to play with the html canvas. I create the canvas and i add group of objects on it. On a group of objects, I need to keep fixed width & height for some objects while I scale the object. I use the ‘object:scaling’ event to get the active object when it changes size, I read …
Concatenate Object values
I have a JavaScript Object and I’m sure the value of any key is an array (even empty in some case): Aside from using Underscore, is there any way to concatenate all the values of this Object (and create a new array)? At the moment I get the keys name using Object.keys, then I loop and concatenate. Any h…
Render PDF using PDF.JS and AngularJS from byte array
I’ve been following the following links to try to render a byte stream returned from an API to a PDF in browser using PDF.JS: http://codingcrazy87.blogspot.com/2014/05/view-pdf-files-directly-within-browser.html https://gist.github.com/fcingolani/3300351 Here is the JavaScript used to run render. Note: …