Questions tagged [scheduled-tasks]
A Scheduled Task is a task that is scheduled to execute at a certain time (as the name is self-explanatory).
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1answer
75 views
Periodically sending data from database to an API
I'm trying to make a timed background service in .NET Core (I found this approach in Microsoft Docs), that every 15 seconds it gets data from the database (1000 rows max, if something exists) then ...
4
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1answer
42 views
Dynamic operators within DAGs (Airflow)
I would like to know if what I did to achieve to goal of dynamic operators within an Airflow DAG (Directed Acyclic Graph) is a good or a bad practice.
The goal I had to achieve was:
Create a 'x' ...
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0answers
71 views
Scheduler built with observables v3 (follow-up) - now testable
This is a 2nd follow-up to my previous one about a Scheduler built with observables.
Although the last one was working correctly, it was only possible to see this ...
2
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1answer
58 views
Bash on Synology - Delete recycle bin entries over X days old
Synology NASs have a Task Scheduler that allows you to schedule deletion of files over X days old from recycle bins. This feature isn't working for me–running the task results in no files being ...
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1answer
989 views
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42 views
Remembering what chores to do each day with LED patterns [closed]
I am using a Raspberry Pi 3 model b to control LEDs connected on a breadboard. I want the lights to tell me what chore I have to do today: when to take out the trash, recyclables, vacuum, and clean ...
3
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2answers
83 views
Function to call a list of callables with retry
This script is designed to be run via windows task scheduler once per day.
All callables passed to this function should only return a bool. The callables are called until either the maximum number of ...
5
votes
1answer
41 views
Scheduled file sorting with Ruby
I have a script running as an hourly cron job. It finds all screenshots on the Desktop and moves them to directories sorted by year/month/day.
On MacOS, screenshots are automatically saved to the ...
4
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2answers
184 views
Sleep until specified time
It's sometimes useful to pause until a specified time (but inconvenient to use at or the like), so I wrote a tiny script to wait until a user-specified time point ...
2
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1answer
70 views
Crontab datetime field pattern parser in Rust
@angus on Unix.SE implemented a tool in C to list upcoming cron jobs in response to a question. I've re-implemented the basic functionality (showing only the next cron job) in Rust, using ...
1
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1answer
44 views
Powershell for syncing Minecraft save files
My code in full plus the task scheduler definition: https://gist.github.com/DaneWeber/0c5e7978bd3927734173e3afdc3d6338
This is my first non-trivial PowerShell script. This was a pretty major learning ...
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0answers
80 views
A task scheduler with persistence
I wrote a task scheduler package with data persistence in Go.
However, the logic seems super messy... even it seems passed all tests.
Is there any better way to structure the code and finish few ...
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1answer
299 views
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2answers
54 views
Streaming scheduled TV shows according to a CSV playlist
I'm very new to Python, and I've made a small program/script that will allow me to stream specific files at a given time.
My idea is that I have a .csv file for each day, with one row for each movie/...
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1answer
362 views
Promise-based fixed delay poller with timeout
I have the following functions for polling some function periodically with a timeout
...
5
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1answer
104 views
Scheduling using System.IObservable 2.0
As a follow up to this first attempt to create and use my own IObservable<T> implementation, this is version 2.0. The goal has been to correct the code where ...
4
votes
1answer
110 views
Scheduling using System.IObservable
With great inspiration from t3chb0ts ongoing work about scheduling, cron jobs etc. (last post here), I decided to make my own version of the Scheduler - using the observer pattern - as a learning ...
4
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0answers
128 views
Scheduler built with observables v2 (follow-up)
It would probably be too easy if the old Scheduler worked as intended being that simple. But an eye-openig review showed that from time to time it'll miss one ...
4
votes
2answers
479 views
Scheduler built with observables
I sometimes have to schedule some tasks and wanted to have my own reusable scheduler. Since I like the Rx, I build it on top of it.
Follow-up
There is a newer version of the ...
2
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0answers
48 views
Write one string to a socket within 10 seconds or another string if the time is out
I have implemented a method which will send one data to the server if it (Raspberry Pi Pin Input HIGH, in this case) occurs within 10 seconds. If this doesn't happen within 10 seconds then I should ...
3
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1answer
71 views
Python 3 PriorityDeque with absolute priorities
Python 3 has queue.PriorityQueue, but that wasn't good enough (lacking methods, not double-ended, etc) for me and my purposes. Therefore, I have made a new one ...
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0answers
6k views
Very simple task scheduler (Task based, not Timer based)
My app has several periodic tasks. So I created this very simple generic task scheduler (got sick of copy-pasting code, which is based on Timers). It is very very basic and simple, can you find ...
2
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1answer
474 views
Easy used head-only timer in C++11
This timer can add tasks running for one-shot, several times, or loop every time and delete task by marking its id. It's simply implemented by a priority queue.
My purpose is easy to use and ...
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0answers
161 views
Pausing task until designated time using sleep()
I have been playing around with schedule from GitHub. How can I improve the code?
...
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0answers
65 views
Implement running hours function in PowerShell
So I am trying to create a function in PowerShell that:
Takes start time in form HHmm to denote beginning of time window
Takes an end time in format HHmm to denote end of time window
Calling the ...
5
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1answer
693 views
Python library for calculating next and previous time of the cron-like scheduled task
I needed a task system that would let me define a cron-like rule in the database, and be able to find the next and the previous time when the task was and is supposed to happen.
I am running a web ...
4
votes
2answers
46 views
Process monitoring script
I wrote a script which logs memory usage of a process (pid in file), and reacts in case a limit is reached. I run the script nightly. In my case, the process concerned propably has a memory leak and ...
6
votes
2answers
288 views
ObservingCache - scheduled task executor that returns a result
I wrote a utility class called ObservingCache, which receives a task in the form of Supplier<T> and an interval, computes the task every [interval] millis and ...
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0answers
406 views
Generic polling class and using it to poll SqlConnection
I have the following poller class that can be used to "poll the required action":
...
4
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1answer
62 views
Yum Notification Script
This is a Bash script I wrote to email me when updates are available for my server. I'm new to bash programming, so I don't know if I've done this well.
...
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0answers
229 views
Automatic resource allocation for the purpose of resource-dependent task scheduling
Here is what I'm trying to accomplish: Suppose you are trying to control an embedded system with several external hardware resources/components/devices. Naturally, you are concerned with the issue of ...
3
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1answer
1k views
Task scheduler with dependencies
I have need for a task scheduler determined by a directed graph. The tasks are held in a std::vector<task_type>, while the dependency graph is held in a ...
2
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1answer
102 views
Program to email you exchange rates that you are tracking and stats on them
This is a program I made as I am currently living in Japan with a British bank account, so exchange rates matter to me.
On the first time run, you run the script with two arguments (two currencies) ...
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1answer
1k views
Rake task to send users a reminder to post with conditions
I am implementing a feature that reminds users to make a post via email if
the user has set daily reminders to true
he has not posted yet today
and if the current hour matches when he would like to ...
2
votes
1answer
12k views
Parallel Task Queue that runs in sequence
I'm in need of a solution that runs constantly incoming requests in a per-resource sequence, but parallel in general.
The use-case:
Many clients connect to a server and start issuing work. The work ...
4
votes
1answer
541 views
Task Scheduler for small interval and one number of start
Scenario:
I want a task scheduler that enables my application to schedule some tasks in small time interval. I want to use it in my socket server application. For example, when the user connects to ...
8
votes
2answers
171 views
Execute every Monday that is not the Monday following last Saturday in month
I think the following is good but wondering if it can be simplified or improved.
My condition for code execution is the following:
It is a Monday
AND
It is not the Monday following the last Saturday ...
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vote
0answers
87 views
Self cancelling period tasks
I've got a piece of code that will run a period task to do a small bit of processing. The task depends on an externally managed connection resource, and if the resource goes away then the task should ...
4
votes
2answers
730 views
Auto backup Chrome bookmarks
This script, once added to the Windows Scheduler, automatically creates a backup of your Google Chrome bookmarks.
...
6
votes
1answer
2k views
Task Reminder - Repeatedly notify every 6 hours
So I'm very much a beginner to Java and Android programming. I've worked a lot more with Python so I might have some quirks from there bleeding into my code here. I'd like a particular focus on ...
5
votes
1answer
296 views
Querying list of servers with PS to report on Scheduled Tasks
I work in a Windows environment where Scheduled Tasks have never been documented or kept up with, leaving us with about 150 servers that have a random smattering of tasks. I am attempting to construct ...
3
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1answer
396 views
Parallel scheduler for running actions at designated times
I've been trying to learn Haskell on and off for a couple years. I had a project for building a parallel web scraper, and I figured I'd try to use Haskell for it. Here's the part used to schedule ...
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0answers
87 views
Cron job that sends an email
The following is a sample cron job I've written that sends an email with some conditions. I haven't run it yet but I'm using another cron job (and will rewrite very soon) that does the same thing but ...
2
votes
0answers
80 views
PHP cron job for updating broadcast status
I am currently working on a re-occurring broadcast schedule. The whole idea is to setup a cron/task job that will update the broadcast flag "isLive" in a database table. Are there other options to ...
2
votes
2answers
4k views
Task scheduler for a particular application
This isn't meant as a scheduler for just any job. The job that I need to schedule here is very specific for an application I'm writing for one of my clients.
The scheduler will run as a console ...
2
votes
1answer
167 views
Scheduling real world events for Arduino project
I am working on a project that involves scheduling real world events for a pool. Example: turn a pump on at 8AM, turn heater on at 9 AM, set heating temperature to 80 degrees, turn the pump off at 10 ...
4
votes
2answers
364 views
Performing actions based on command line arguments
I'm currently reviewing a bit of an older console application which performs certain tasks depending on the command line argument that is given. These tasks are called through Windows Task Scheduler.
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7
votes
1answer
1k views
C++14 Async Task Scheduler
I'm not sure if this site has the right audience for anyone to be able to respond to this, but I wrote a header only scheduler which schedules a task to be run in the future on another thread:
...
6
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1answer
2k views
Task scheduler coding exercise
In an interview about multithreading I was asked to write code to satisfy the requirements below:
In the exercise you need to provide implementation of single-threaded TaskScheduler class with the ...
0
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2answers
180 views
Streamlining a method to run faster
I did some guesswork tweaking and let the heap reach a maximum of ~450 megabytes (was originally using invokeAll). The program just finished in 6.3 minutes. I've ...
