I am new to node.js. I know when I install a new module in node.js using npm install it gets installed but in package.json i cant find the package name in dependencies. I know i can type it out but it should appear when i install it using command prompt it should appear. Here’s my package.json file. ` P…
Author: admin@master
Smooth Transition of Path using Specified Styling
I am fairly new to this community, and I’m also not the most articulate person. I hope I’m not upsetting the powers that be by posting a new question. The reason I am posting again is because I have conveyed my original question very poorly. Even after repeated edits the confusion seemed to be irr…
How i show/hide a button in angular according to user authorization?
I have tried something like this And in my javascript But it return me some errors at $ rootscope Answer Better use $http service provided by angular. Set authentication variable as false, call the authentication service from backend and change the value of authentication variable. Binding from Angular will t…
Download game with electron / detect game version with electron
I have to build a game launcher with electron. I have two questions: Which way to download file from client (angularjs)? ftp? http? how can I detect the game version to update it? Answer With electron you can use all the APIs Node.js have additional to the APIs Chrome have. So you can Download the game useing…
Return unique array values from an array inside an array of objects
I can’t find a similar question and I’m a bit stuck. I have the following JSON array: I’m trying to create an array of all the unique elements in the “Attributes” property, but I’m having trouble looping through each object, and then looping through the array elements to re…
Uncaught SyntaxError: Unexpected token < into DOCTYPE html PUBLIC
I am having a series of JavaScript problems and the only thing I notice in the console.log is: Uncaught SyntaxError: Unexpected token < Which leads me to: I can not see a syntax error here. Is there any syntax error in this line? How can I fix it? Answer The error message indicates a JavaScript syntax erro…
In Vue.js can a component detect when the slot content changes
We have a component in Vue which is a frame, scaled to the window size, which contains (in a <slot>) an element (typically <img> or <canvas>) which it scales to fit the frame and enables pan and zoom on that element. The component needs to react when the element changes. The only way we can …
Remove reference to another object in javascript
I am trying to write code similar to the above, however for sake of not having to describe context I’ll display that instead ^ After the line a = b I want to lose the reference from a to b, so I can update b without it affecting a, and vice-versa Is this possible? Answer You can clone your object
Remove cookie problems JS-COOKIE
JS Cookies remove cookie, undefined Hi Guys, I have trying to remove a cookie from a domain but I can’t, the console return undefined. When I log in the cookie is set up in .dev.books.com but after that the URL change to platform.dev.books.com and keep the same cookies. The name of the cookie I want to …
Can’t show Image in React Native
I’m using react-native 0.28.0 I’m trying to show an image on iPhone simulator according to this tutorial: Introduction to React Native: Building iOS Apps with JavaScript | Appcoda Then in the render() function, I add this: The space allocated for the image is there, but the image is not shown. Ans…