message-passing

Passing message from background.js to popup.js

Popup doesn’t have tab id so you will get the error. You can use chrome.runtime.sendMessage and chrome.runtime.onMessage.addListener in that case. So in background.js chrome.runtime.sendMessage({ msg: “something_completed”, data: { subject: “Loading”, content: “Just completed!” } }); And in popup.js chrome.runtime.onMessage.addListener( function(request, sender, sendResponse) { if (request.msg === “something_completed”) { // To do something console.log(request.data.subject) console.log(request.data.content) } … Read more

TPL Dataflow, whats the functional difference between Post() and SendAsync()?

To see the difference, you need a situation where blocks will postpone their messages. In this case, Post will return false immediately, whereas SendAsync will return a Task that will be completed when the block decides what to do with the message. The Task will have a true result if the message is accepted, and … Read more

How do I send a string from one instance of my Delphi program to another?

Use named Pipes, but I would recommend Russell Libby’s named Pipe components. There is a TPipeClient and TPipeServer component. As of (2013-10-04) Francoise Piette and [email protected] updated this source code to compile with Delphi 7 to XE5 (earlier versions may compile however untested) and put it here: http://www.overbyte.be/frame_index.html?redirTo=/blog_source_code.html These 2 components make using named pipes … Read more

Cancel an already executing task with Celery?

revoke cancels the task execution. If a task is revoked, the workers ignore the task and do not execute it. If you don’t use persistent revokes your task can be executed after worker’s restart. https://docs.celeryq.dev/en/stable/userguide/workers.html#worker-persistent-revokes revoke has an terminate option which is False by default. If you need to kill the executing task you need … Read more