Is there a way to stop the premultiplication of the alpha channel for canvas data, or a workaround? I want to generate an image (in this case some random rgba values) and save the canvas as an image. During the second step, I want to compare the original image with the generated image using the imageData, how…
Author: admin@master
Change default timeout for mocha
If we have a unit test file my-spec.js and running with mocha: The default timeout will be 2000 ms. It can be overwritten for partial test with a command line parameter: Is it possible to change the default timeout globally for all tests? i.e. the default timeout value will be different from 2000 ms when you …
Details about window.stop()
I just came across the window.stop() The stop() method is exactly equivalent to clicking the stop button in the browser. Because of the order in which scripts are loaded, the stop() method cannot stop the document in which it is contained from loading, but it will stop the loading of large images, new windows…
JavaScript Smooth Scroll not working
I’m attempting to create a smooth scrolling page, but it seems to not work. If I remove the smooth scrolling aspect of my site, the anchor automatically jumps to the div element like usual. I have attached a JSFiddle: http://jsfiddle.net/J7sxD/5/ Answer remove overflow-x: hidden; and it will work See he…
How to unbind $on in Angular?
I have a code that use $scope.$on one time on init and then in a function, so the code is executed multiple times. How can I unbind if first before I bind it again. I’ve try $scope.$off but there’s not such function, https://docs.angularjs.org/api say nothing about $on. I’m using angular 1.0…
Node.js – Reading CSV-file not working with line numbers > 500
I am currently struggling to run my Node.js server. What I want to do: Upload a CSV-File from mobile device to my local server and save it on the file system Read each line of the .csv-File and save each row to my MongoDB database Uploading and saving the file works flawlessly. Reading the .csv-File and savin…
JavaScript unwanted event auto-triggered
The on click event in the 70 line (ob.addEventListener(“click”,onCl1(idTable[0],idTable));) is being triggered without a reason. I have tried some other ways and it still reacts the same. I present the whole code as I think that it will be easier to find this bug: Answer It’s because youR…
Javascript websockets closing immediately after opening
The connection to the server is established and an alert is displayed for Connection open! However immediately afterwards the connection closes. The server does not call close and there seem to be no other errors in the console. This is happening in both chrome and firefox. I looked at a bunch of different si…
how to pass csrf_token to javascript file in django?
Here is my javascript code that works fine. but I like to keep javascript files seperate and not use as inline script tags I want to include this in my custom.js file that I have included in my base.html. which is I am not able to reference csrf_token that is available in the current template in Django to the…
How to access data of uploaded JSON file?
I have a html code like this: And I have a JSON file like this: And a simple JavaScript function: Now I want to call alert_data() with name and family that stored in JSON file which uploaded using my HTML input. Is there any way to use an HTML5 file reader or something else? I’m not using server-side pr…