I have been trying to draw a triangle but it is not showing up on the canvas here is my draw function code: here is the whole work: Answer There are some issues: The properties gl.viewportWidth and gl.viewportHeight are never set: In the array of vertex coordinates is a , instead of a . And there is a typo ,
Tag: javascript
ruby on rails call javascript function from button_tag
I am trying to perform a very simple task: Button is clicked – message is displayed (via JavaScript). Most likely I am either looking in the wrong places or going completely wrong about it but I can’t find any examples that will show how to accomplish this simple task. My js function is: The butto…
How to set extra attributes of through model on creation in SequelizeJS?
My models: My associations: My problem: How can I create a Recipe with some Ingredients and the quantities attached to them? I tried: Records are created for Recipe, Ingredient and the Recipe_Ingredient. The only problem is that the value of the quantity is not collected from the data source. Answer It was no…
Nest.js – request entity too large PayloadTooLargeError: request entity too large
I’m trying to save a JSON into a Nest.js server but the server crash when I try to do it, and this is the issue that I’m seeing on the console.log: [Nest] 1976 – 2018-10-12 09:52:04 [ExceptionsHandler] request entity too large PayloadTooLargeError: request entity too large One thing is the s…
getSelection not working properly in iOS 12
Functions document.getSelection() and window.getSelection() do not work in iOS 12. The problem is reproduced in Safari, Google Chrome and WKWebView. In iOS 11 and MacOS (any version), these functions are work. Can you advise? Example: Answer I don’t really know why document.getSelection() and window.get…
How to get the current foreground application in electron(Javascript)
How can I detect if, for example, a browser is currently open? I need this in my electron-application. ty 🙂 I’ve found nothing like this online. I’ve only found how I can check which window is open from the windows I have in my own application, but I need to know, what else is opened. It should be…
Integrate ActiveDirectory Javascript code into React
I have this Javascript code to handle ActiveDirectory authentication. I need to create a React component that uses this code, what is the best way to achieve this in React? The React component looks like this: Answer you should be abler to handle this authentication in the componentDidMount lifecycle method. …
Icons are not appearing in react-native
I am using react-native-vector-icons/FontAwesome to show icons and react-navigation for showing tabs. I am trying to show Home icon in button navigation but icons are not appearing. PFB relevant code of Icon and createBottomTabNavigator PFB screenshot as well. What do I need to do to show icon of Home? Answer…
How can you use axios interceptors?
I have seen axios documentation, but all it says is Also many tutorials only show this code but I am confused what it is used for, can someone please give me simple example to follow. Answer To talk in simple terms, it is more of a checkpoint for every HTTP action. Every API call that has been made, is passed
Chart.js 2.7.2- Multiline get point value onClick
I would like to get value foreach point value. Don’t work because when I click on point I obtain only of the first line value. GetElementsAtEvent give me an array of 3 element (element active) but how I can get the clicked value? This the Complete code. Thanks Answer To get the exact element, use ctx.ge…