message-passing

Passing message from background.js to popup.js

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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

Scatter Matrix Blocks of Different Sizes using MPI

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You have to go through at least one extra step in MPI to do this. The problem is that the most general of the gather/scatter routines, MPI_Scatterv and MPI_Gatherv, allow you to pass a “vector” (v) of counts/displacements, rather than just one count for Scatter and Gather, but the types are all assumed to be … Read more

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

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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 arno.garrels@gmx.de 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?

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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

Communication between Activity and Service

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I have implemented communication between Activity and Service using Bind and Callbacks interface. For sending data to the service I used Binder which retruns the Service instace to the Activity, and then the Activity can access public methods in the Service. To send data back to the Activity from the Service, I used Callbacks interface … Read more