By default, invoking a function like (function(){/*…*/})() will set the value of this in the function to window (in a browser) irrespective of whatever the value of this may be in the enclosing context where the function was created. Using call allows you to manually set the value of this to whatever you want. In … Read more
Another way of fixing this is by changing the key of the input. <input ref=”text” key={this.state.awayMessage ? ‘notLoadedYet’ : ‘loaded’} onChange={this.onTextChange} defaultValue={awayMessageText} /> Update: Since this get upvotes, I will have to say that you should properly have a disabled or readonly prop while the content is loading, so you don’t decrease the ux experience. … Read more
Note The answers that suggest using variations of $window.history.back() have all missed a crucial part of the question: How to restore the application’s state to the correct state-location as the history jumps (back/forward/refresh). With that in mind; please, read on. Yes, it is possible to have the browser back/forward (history) and refresh whilst running a … Read more
There is a new working plunker (extending the Angular UI-Router $urlRouterProvider .when not working *anymore*), which should be working with the version 0.2.13+ Previous solution Until version 0.2.12- we could use $urlRouterProvider.when(), suggested in documenation (small cite): How to: Set up a default/index child state … if you want the ‘parent.index’ url to be non-empty, … Read more
Disclosure: I wrote the code that Trello uses; the code below is the actual source code Trello uses to accomplish the clipboard trick. We don’t actually “access the user’s clipboard”, instead we help the user out a bit by selecting something useful when they press Ctrl+C. Sounds like you’ve figured it out; we take advantage … Read more
Since release r59, three.js provides those three functions to rotate a object around object axis. object.rotateX(angle); object.rotateY(angle); object.rotateZ(angle);
By default, gulp runs tasks simultaneously, unless they have explicit dependencies. This isn’t very useful for tasks like clean, where you don’t want to depend, but you need them to run before everything else. I wrote the run-sequence plugin specifically to fix this issue with gulp. After you install it, use it like this: var … Read more
UPDATE: As Seyeong Jeong points out in their answer below, since npm 5.2.0 you can use npx [command], which is more convenient. OLD ANSWER for versions before 5.2.0: The problem with putting ./node_modules/.bin into your PATH is that it only works when your current working directory is the root of your project directory structure (i.e. … Read more
Since coffee script has no var statement it automatically inserts it for all variables in the coffee-script, that way it prevents the compiled JavaScript version from leaking everything into the global namespace. So since there’s no way to make something “leak” into the global namespace from the coffee-script side of things on purpose, you need … Read more
Update (2022-01-13): Seems people are still finding this, here’s the current story: Optional Chaining is in the specification now (ES2020) and supported by all modern browsers, more in the archived proposal: https://github.com/tc39/proposal-optional-chaining babel-preset-env: If you need to support older environments that don’t have it, this is probably what you want https://babeljs.io/docs/en/babel-preset-env Babel v7 Plugin: https://babeljs.io/docs/en/babel-plugin-proposal-optional-chaining … Read more