callback

问题 Changing the port by changing the offset in the deployment.toml or using -DportOffset doesn't get applied to the Console and the My Account applications. How to reproduce: Change the offset by adding the following config to the deployment.toml [server] offset=2 Start the server Access the console app from https://localhost:9445/console Access the my account app from https://localhost:9445/myaccount Following error is displayed. Observed, that the reason is that the callback URL is not changed

问题 How does a function know that something is a callback; something that needs to be executed once certain prior I/O has completed. How does it know that it shouldn't execute right away? Is it defined in a function in a (standardized) way? As far as I know the 'callback' keyword that is often used in an argument is just common practise, but does not automatically let the function interpret the argument as something that should start once certain I/O has completed. Taking the below example, I

问题 const startLive = () => { // connect to websocket only on start button setliveChartState({ ...liveChartState, liveActive: !liveChartState.liveActive, historicLiveActive: true, start: new Date(), }); /*- - - -after updation - - - >*/ const { ws, liveActive } = liveChartState; // if clicked on stop then close websocket if (!liveActive && ws) { ws.close(); clearLiveInterval(); } // if clicked on start and websocket close then connect if ((!ws || ws.readyState === WebSocket.CLOSED)&& liveActive)

问题 I was recently asked what is the difference between a callback and an observer in the Observer OO design pattern. My understanding is that callback is any executable code passed as an argument to a function which is called when a specific event happens. It may be implemented in different forms in different programming languages, such as function pointers, anonymous functions and observers/listeners in the object-oriented paradigm. Developers usually implement callback registration

问题 I am using a javascript file that runs transactions via node. (node create-transaction.js in the terminal returns 200 :) Right now I have a post request that posts something called opaquedata from my client side to my api in my routes file and it works like charm! My only questions is how do i replace the static opaque data inside the boilerplate create-transaction.js file as seen below, with the dynamic opaqudata I am receiving in my api post request. Then how do I get it to run the file

问题 I'm trying to build a nice rust wrapper around libuv, an event loop library written in C. I'm pretty much "done", but I'm having some trouble with callbacks and lifetimes. Being an event loop library, libuv relies heavily on callbacks. I have some code that can accept functions, closures, or a tuple of (obj, method-on-obj) and it handles creating an appropriate "trampoline" to get that across the FFI boundary. That all works. However, the problem I'm running into is that I cannot figure out

问题 The main Laravel application object has two methods, booting and booted . These methods allow you to configure callbacks. The application object will call these callbacks before and after it boots. Where, as a Laravel application developer, can I hook into these events? Looking at the framework it seems like bootstrap/start.php is the obvious place — but if I put code here it'll be zapped in the next update. There's also start/global.php statt/{$env}.php but these files are actually required

问题 I have a program that I wrote that is creating and maintaining an array and I have another module that I wrote that has functions to manipulate the array. Is it possible to call every function in the imported module without having to hard code every function call? Meaning something like this: #Some way I don't know of to get a list of function objects listOfFunctions = module.getAllFunctions() for function in listOfFunctions: array.function() I want to do this so I don't have to update my

问题 I have a program that I wrote that is creating and maintaining an array and I have another module that I wrote that has functions to manipulate the array. Is it possible to call every function in the imported module without having to hard code every function call? Meaning something like this: #Some way I don't know of to get a list of function objects listOfFunctions = module.getAllFunctions() for function in listOfFunctions: array.function() I want to do this so I don't have to update my

问题 I am searching for a function that is notified when a MATLAB figure moves, i.e. when the figure changes its position. In MATLAB since the beginning there was the callback which triggers when a figure has been "resized", but this doesn't help. Any ideas or even solution? Regards, Domenico 回答1: Neither the newer 'SizeChangedFcn' callback or the no-longer-recommended 'ResizeFcn' callback appear to respond to movements of the figure, only resizing . One solution, as suggested by excaza in a