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Questions tagged [queuing]

75 questions
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"Access to Message Queuing system is denied" exception in console application

I have an application that can run both as windows service or stand-alone console. It is deployed remotely, on my client's servers. When I remote desktop into the server, I use the same domain account that is used to run the windows service…
Eddie
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Is it possible to queue sendkey commands in Windows?

We are writing a Python application that relies on copying and pasting content from the top windows. To do that we issue sendkey commands: Ctrl-Esc for going to the previous windows Ctrl-A followed by Ctrl-C to copy all text from the window And…
Veet Vivarto
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Can't unschedule propagation (Oracle AQ)

I've set up a queue in Oracle DB, been using it for a while, but then propagation (to a remote server) stopped working and now suddenly any manipulation hangs: I can't disable/unschedule propagation, can't stop/drop the queue itself. The queries…
user1651446
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Best way to use a DB queue to make http calls and update the status in the db

I am using c#.net, the db is MS SQL 2008 R2. I have a question that seems to have been asked a lot in the forums here. I want to use a database table as a a queue...but the processing of these messages cannot be done from the database. I have a…
leo
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Publish data from react to RabbitMQ

I want to manage queue for my video call feature, so I am trying to first publish the video call data to RabbitMq from the react but not able to see anything in web portal of RabbitMq and there is very less documentation I find for the react to…
Tushar
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Execute the OMNET++ simulations for different configuration automatically

I have an OMNET++ simulation model which I am interested to simulate more than once (4 different simulations in this case). I am running Omnet++ 6 now. I have defined the configuration file as follows. Here, I do run the simulation for every…
Waqas Ahmad
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Implement Hybrid FCFS + Priority Queue in SQL and PHP

I would like to ask if how can the SQL rearrange the database simultaneously after there is an new input. Sample data: I want to follow the Hybrid FCFS + Priority where 1:1 ratio, 1 regular and 1 priority simultaneously. The identifier of Priority…
Angelo
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Is the 'input' event always queued before knowing whether its handler will actually be called?

I have some code to be run: immediately after the input event handler if it's called when this handler would usually be called if it's not. I noticed that queuing a message with setTimeout in the keydown handler works well. In this demo, the…
ghostinpeace
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How to choose a best Queuing System?

My application is not fully based on microservices and its a mix of both monolithic and microservices. Now I want to begin the implementation of an event driven architecture and planning to start with logging application errors/warnings. So that I…
Mano
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Queuing Theory - I am not getting the correct answer to a question related to queuing theory. Please help :)

How come the answer to part (a) of the question (please refer to the link below) is 2.25? [Question-related to queuing theory taken from the book "Operations Research Second Edition Richard Bronson Govindasami Naadimuthu"] [1]:…
ndr
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How to determine costs for the service time and idle time in a queuing problem in anylogic?

I need to simulate a simple M/M/1 problem in Anylogic. So far, I created the model and calculated all performance measures like the average time in queue and system and the average number in queue and system. Now I need to calculate the Total Costs.…
Habenzu
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Clear Oracle queue after propagation

Good day, respective all! I found, that for every queue , that have multiple subscribers, Oracle creates an supplementary view AQ$ where it keeps a history of propagated messages. And the only smart way to purge source queue table…
Andrew Klimov
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MATLAB Wlan toolbox- Queueing model

I need to know what is the Queuing model in WLAN toolbox examples, specifically Simulink model: 802.11ax System-Level Simulation with Physical Layer Abstraction in system-level simulation. Nothing is mentioned in documentation and I need to…
amza
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How can I modify a M/M/1 queuing system to G/G/1?

I wrote a Monte Carlo simulation for M/M/1 queuing system since it's deterministic. Now I tried modifying the same code for a G/G/1 queueing system with interarrival times and service times having a triangular distribution. Instead of drawing…
sevebebe
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How to set queuing mode from simulation page in AnyLogic

I want to set up the queuing mode from simulation page in my AnyLogic model. I have a combo box with two options: FIFO and fewest remaining operations (FRO). The chosen option is saved in the variable strategie from type String. In the main page I…
Anne
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