worka | web workers results in promises | Web Framework library
kandi X-RAY | worka Summary
kandi X-RAY | worka Summary
Working with Web Workers is interesting because it makes things previously only available to native software possible on the web also. But multi threading is hard to get right, and that's why I use patterns to stay correct. These patterns were previously duplicated across different web-applications. These patterns are now encapsulated into a library (worka) to avoid duplication. Use cases of web workers:.
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QUESTION
In one class I want to call a method, but not have to wait until the method finishes. Normally in a spring application I would use @Async, but what is the way to go about in a Quarkus application?
Beneath is a simple example to get started. In the 'StartWork' class the 'Work' gets started. (I left out the Work-interface, but you can see one of its implementations: WorkA). After calling 'work.do()' the startWork() method should proceed without waiting for the work.do() to finish.
...ANSWER
Answered 2020-Dec-21 at 16:33Kudo's to Turing85 for finding the answer.
As it turns out Quarkus works with an EventBus for asynchronous actions. A producer is created, but works lazily and thus won't be invoked until a consumer is subscribed to this producer.
A working example: https://gitlab.com/rmvanderspek/quarkus-multithreading
In short:
QUESTION
When I try to add more employees datas to an user, the old employee data is deleted.
User.jsI have these properties in my User model.
...ANSWER
Answered 2020-Nov-29 at 21:22With you current syntax, you're setting the employee field to the document you pass as value. As employee is an array, you have to use the $push array update operator
QUESTION
Is it any Kotlin collection/data class able to store the table data as shown below? I can only figure out the way to store the item and value as below:
...ANSWER
Answered 2020-Oct-27 at 06:28I would create a Worker data class with the fields listed in Item column as properties and some boolean properties representing validity of those fields.
QUESTION
I get this error when I try running an Ant Build:
...ANSWER
Answered 2019-May-06 at 09:43Install J2C Connector from IBM Installation Manager
QUESTION
I have a table which looks like this:
...ANSWER
Answered 2019-Oct-11 at 20:03You can use conditional aggregation. If you know all the stations, it looks like:
QUESTION
I'm trying to re-write a tiny C# lib in F# and I've encountered an error. I'm trying to define optional parameters for a method in a module but the compiler says "Optional arguments are only permitted on type members".
I've checked why you can't use them in loose functions but when typing static member or member I get another error instead.
ANSWER
Answered 2019-Jun-14 at 12:05By using another way to define the "static class" you can add member to it. And then you can use optional parameters.
QUESTION
I'm trying the multiplot function for the first time, and as I read on another question here, replot doesn't seem well suited here, but I don't understand gnuplot well enough to pursue alternatives.
I have two plots with 2 input files each. The first plot requires selecting data differently for each input file (hence replot). I would like to arrange these two plots stacked in 2 rows, 1 column.
If I remove the input for either graph, I can plot them individually just fine, so the syntax is correct at least to that extent.
Here is my input:
...ANSWER
Answered 2019-Mar-29 at 19:30You need to set the multiplot environment before plotting. Based on your example, it would look similar to the following:
QUESTION
I have been working on finding a way to add a matching criteria to another workbook almost this day, but I did not find anyway to do it yet. The example scenario is the following, I have two workbooks (workbookA and workbookB) and each workbook has their own "Country" and "Value" lists. Kindly see sample tables per below.
...ANSWER
Answered 2018-Apr-13 at 20:06I don't think you need to use a dictionary for this - you can just go through every value in Book1, column A, check if it exists in the range in Book2 column A, and if it does, you can port over its corresponding value - if it DOESN'T, add it to the end and bring over its associated value. This is a simple, dynamic solution.
Note the simple use of .Find to return the row position:
QUESTION
Usually the question is for the main thread to wait for child thread which I can use await on the Task.
But I have a situation where the child thread must wait for some method in the main thread to complete before continuing. How to make this communication possible?
...ANSWER
Answered 2017-Aug-16 at 13:16I would imagine something like this if WorkB was a Task:
QUESTION
I have a program that consists of four JButtons in a JFrame. I want to add images to the JButtons. The problem is that I can't seem to add them, despite trying multiple methods. When compiled, the output is input == null. The images are stored in the same folder as my .java files, so I can't figure out why they aren't showing up.
Main class:
...ANSWER
Answered 2017-Jun-08 at 18:47Before going into the answer to your question, please read the following recommendations:
private static JButton[] bIcons = new JButton[4];Creatingstaticfields could break your program, so be careful when to use them. Not really needed in this case, please read What does the 'static' keyword do in a class?JFrameis a rigid container which cannot be placed inside others, and you're not changing it's functionallity anywhere in your program, so there's no need to callextends JFrame, it's better to create aJFrameinstance then. See: Extends JFrame vs. creating it inside the program for more information about this.You're correctly calling
pack()but later in the code you're callingframe.setSize(315,315);which "destroys" the changes made bypack(), use one or the other, not both, I recommend you to leavepack()call.You're not placing your program in the Event Dispatch Thread (EDT), you can fix it by changing your
main(...)method as follows:
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