Questions tagged [scheduling]
Questions on managing computation or tasks order. Synchronizing parallel procedures, dynamics objects and so on. It's meant to be a secondary tag to narrow the scope of question already tagged with parallel, dynamic, evaluation and similar tags.
79
questions
40
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4
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1k
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What is the difference between Dynamic[x] and Dynamic[ h[x] ] for DynamicModule variables?
Bug introduced in 9.0 or earlier and persisting through 12.0
In 11.3 it is even worse. An example from the accepted answer with a Slider is now broken too:
...
Kuba♦
- 137k
20
votes
2
answers
2k
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How to restart computation when kernels die?
When an important process needs to be kept alive, there are monitoring tools to restart them if they die (e.g. god tasks in ruby), in my case I have an overnight scraping task that I need to have done ...
- 31.5k
18
votes
3
answers
461
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How to track part of symbol or how to symbolize parts of symbol without copying data?
Let's create simple function:
SetAttributes[h, HoldFirst];
h[data_] := Dynamic[Grid[data], TrackedSymbols :> {data}]
test = RandomReal[1, {2, 2}];
h[test]
...
Kuba♦
- 137k
17
votes
2
answers
404
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Can I trust URLSubmit?
Bug introduced in 11.2 or earlier and solved in V13.2
[CASE:4026293] confirmed
Let's create 10 asynchronous requests which just check if the site is there.
...
Kuba♦
- 137k
16
votes
2
answers
554
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Scheduling Optimization
I asked this question here 2 years ago. I didn't know this website at that time. I just realized I could ask it here. Here is the problem statement.
Assume I have 20 trucks, $t_j$, $j=1...20$ and ...
- 10.8k
16
votes
1
answer
1k
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How to save the result in the Notebook (.nb) and shut down the computer when the calculation is done
I have a notebook(.nb) which its calculation is time-consuming and long. I can not observe it if the calculation is done or not.
Therefore, I want to :
Save the results in the notebook(.nb) ( I do ...
- 523
14
votes
4
answers
605
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How to make a movie from a complex demonstration?
I have a complex Manipulate-based demonstration containing a few sliders and a Setterbar.
I would like to make a movie out of it, avi, or whatever else. The ...
- 39.4k
14
votes
3
answers
1k
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Interdependent controls in Manipulate [duplicate]
Possible Duplicate:
How to create interrelated sliders?
locking a value when manipulating variables
I need to create a Manipulate with two control parameters ...
- 85k
14
votes
2
answers
401
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How can I run a cron scheduled task in Mathematica?
Mathematica doesn't have a built-in Cron scheduler. How can I use scheduled tasks in order to implement one ?
- 11k
14
votes
2
answers
463
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Dynamic after Kernel restart/quit:
Bug introduced in V10.1 or earlier and persists through V11.2
[...] The behavior of Dynamics when the kernel quits has never been well defined or documented, ...
Kuba♦
- 137k
14
votes
1
answer
394
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Scheduled tasks and dynamic updating
Here is an example:
x = 0; Dynamic[x]
now please run:
SessionSubmit[x = 1; Pause[10];]
Problems:
Annoying one: ...
Kuba♦
- 137k
13
votes
2
answers
408
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Working with DynamicModule: Tracking the progress of Initialization
How to track Initialization step by step? Any tricky solution is ok. One condition, x should be ...
Kuba♦
- 137k
12
votes
3
answers
334
views
CurrentValue and MousePosition do not respect Dynamic's options
Bug introduced in V10.4 or earlier and persists through V12.0
A support case with the identification [CASE:3726810] was created.
[...] It does appear as though ...
Kuba♦
- 137k
11
votes
1
answer
956
views
Wait / sleep miliseconds
Is there any way to make Mathematica stop for some miliseconds?
I know about the Pause[] but it seems it only works with seconds.
- 1,135
11
votes
1
answer
183
views
Why is PaneSelector caching nested Dynamics and how to switch it off?
Bug introduced in V10.4 or earlier and persisting through V11.3
CASE:3875733, confirmed
It seems that Dynamic content is somehow cached by ...
Kuba♦
- 137k
10
votes
4
answers
521
views
Working with DynamicModule: ScheduledTasks with local variables
I have a question - is it possible to run ScheduleTask[] inside DynamicModule[]?
What I have tried so far:
...
- 443
10
votes
1
answer
115
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SystemOpen from ScheduledTask
I could bet it used to work, now the following code fails 95% of times:
RunScheduledTask[Echo @ SystemOpen @ "https://www.wolfram.com", {1}]
Can you reproduce ...
Kuba♦
- 137k
10
votes
0
answers
150
views
'Visibility' of Dynamics in TabView with respect to SynchronousUpdating
Bug introduced in 11 or earlier and persisting through 12.0.0
CASE:4076464
Example 1
...
Kuba♦
- 137k
10
votes
0
answers
1k
views
Does a running evaluation continue after the PC wakes from sleep mode?
Are there any issues with running a process on Mathematica, putting the computer to sleep, and then waking the computer sometime later?
It seems to work just fine on my test process (appending data ...
- 1,880
9
votes
1
answer
230
views
Dynamic triggered but renders the same content
Documentation bug introduced in V10 or eralier and persisting through V11.3
It is a documentation bug because the undocumented optimization method by FE makes major assumptions.
The example is not ...
Kuba♦
- 137k
9
votes
0
answers
106
views
Possible bug in Refresh[x, None] on the very first x = val
Bug introduced in 8 or earlier and persisting through 11.3
[CASE:3995912]
From Refresh docs:
Refresh[expr,None] ...
Kuba♦
- 137k
8
votes
3
answers
738
views
Keep kernel running for execution of scheduled task
How can I keep a kernel running until all scheduled tasks have completed? For example upon running the following script bazinga.m:
...
- 5,120
8
votes
1
answer
336
views
Why can't I abort main evaluation from ScheduledTasks (Service Link)?
FrontEndExecute[FrontEndToken["EvaluatorAbort"]] is equivalent of the menu item: Evaluation >> Abort.
It works ...
Kuba♦
- 137k
8
votes
1
answer
371
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Cloud Deploying a Scheduled Task
cross-posted on the Wolfram Community forum
I am trying to deploy a ScheduledTask that monitors the state of a google spread sheet every hour. I want the object to ...
- 353
7
votes
1
answer
510
views
Is it possible to update Dynamic objects even when they are off screen?
I am using Dynamic and DynamicModule to display graphics/statistics generated from a long-running set of parallel tasks. The ...
- 1,417
7
votes
1
answer
2k
views
Remove cell from evaluation queue without aborting evaluation?
Let's say that I queue a number of cells in evaluation, and each is set to run something that will take a relatively long time to finish. I realize midway through the queue that one of the commands is ...
- 857
7
votes
1
answer
160
views
FinishDynamic[] does not wait for display to finish
Bug introduced in 10.4 or earlier and persists through V11.2
[CASE:3993499]
If your UI contains a couple of heavy/big elements, or one heavy and couple of slightly heavy, because delay accumulates ...
Kuba♦
- 137k
6
votes
2
answers
238
views
Showing "updating..." message while Manipulate is re-evaluating
Is it possible to show a fixed text such as "updating..." instead of the last result shown, when Manipulate is re-evaluating an expression (in a slow evaluation ...
- 1,101
6
votes
3
answers
186
views
How to create a window which will close in a certain amount of time?
I'm currently making an interface in Mathematica and I'll need to bump a window out and then let it close itself in a certain amount of time.
Here's an short example to illustrate the effect:
...
- 9,568
6
votes
1
answer
309
views
Working with Dynamic: Synchronization with EventActions ( and other preemptive evaluations)
I would like to make a simple "game": Display a dialog with a random letter, if the same letter is pressed on the keyboard, the display changes into a string ...
- 7,347
6
votes
2
answers
162
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Abort an EventHandler?
How do I stop an EventHandler? I'm trying to allow the user unlimited inputs on the arrow keys UNTIL certain conditions are met, and then stop the ...
- 63
6
votes
0
answers
143
views
Finish(Asynchronous)Dynamic[]
I have a question deriving from a recent topic Synchronizing Dynamics with EventActions.
tl;dr;
How to authoritatively explain the influence of ...
Kuba♦
- 137k
5
votes
3
answers
406
views
Best way to represent a complex time schedule?
What would be the best way to represent a complex schedule in Mathematica ?
For example a representation of the plain words schedule: "From Monday to Friday, from 8 am to 12pm and from 1pm to 4pm", ...
- 11k
5
votes
1
answer
395
views
switch between automatic and manual updating
I have a plot with interactive controls. I'd like to give the user the option between having the plot automatically update (when the plot's parameters are changed with the slider) and having the ...
- 53
5
votes
2
answers
92
views
Updating/ disabling certain slider values dynamically in Manipulate
I am struggling with Manipulate dynamic updating. I would like to have an image containing two points which can both be moved in real time to any location on the ...
- 145
5
votes
1
answer
186
views
LocalSubmit and package functions
I want to use LocalSubmit to create continuous tasks that run in parallel. But it not works with functions from packages. For example:
...
- 618
5
votes
1
answer
183
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Synchronizing code in Dynamics with other procedures
I have huge code and some problem. I don't know how to make example. I'm afraid I can't make good SMALL example to demonstrate you the problem. So I'll try to explain. Maybe somebody know about such ...
- 61
5
votes
2
answers
324
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How can I run a list of Tasks serially?
I have a list of ScheduledTask's to run in sequence one at a time. How can I set these to run in order so that the next one starts automatically after the previous one finishes?
- 31.5k
5
votes
1
answer
68
views
IntervalSlider and updating function specification
IntervalSlider seems to ignore Dynamic's second argument:
...
Kuba♦
- 137k
5
votes
2
answers
103
views
Creating a warning before executing a function if not cancelled?
How could I create a warning dialog that executes a function if not cancelled after a delay ? Also I would like the time remaining before execution to be displayed and the dialog to be non blocking.
- 11k
5
votes
1
answer
127
views
Getting print messages into a custom user interface constructed via DynamicModule
I have not been able to find the answer for the following problem, and would be happy to be educated.
I am writing a custom user interface around some code that has lengthy calculations. In the ...
- 141
5
votes
0
answers
84
views
Handling rendering delays gracefully
I moved the second issue to a separate topic: 162013
Please run the code sample
As you can see there is a delay between the moment the calculation is finished and when the graphics is shown. And ...
Kuba♦
- 137k
4
votes
1
answer
395
views
Evaluation order of Button's action
It looks like a basic issue but I haven't found an answer anywhere.
Please tell me why the behavior (after clicking) of this Button:
...
Kuba♦
- 137k
4
votes
2
answers
185
views
Manipulate in modal mode
It is sometimes convenient to use Manipulate to set up global values which are to be used in the rest of the notebook. In such cases one can select and run the ...
- 41
4
votes
1
answer
155
views
My clock doesn't work
I have this code. When I click on the clock, my alarm don't activate and not work. I have tried with DynamicModule and nothing. I don't know where is the error.
<...
- 543
4
votes
1
answer
160
views
Dynamic scheduled task doesn't work [duplicate]
I have a list variable that I want to append new values from a normal distribution to after I click a button. It works in a simple case but not for the more complicated situation and I don't know why.
...
- 1,079
4
votes
0
answers
123
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ScheduledTask DateObject pattern to evaluate at same time everyday
I would like to create a ScheduledTask that evaluates at the same time everyday. Such as, evaluate function at 1:00 am everyday. The "Daily" timespec in ScheduledTask doesn't allow me to control the ...
- 1,299
3
votes
2
answers
98
views
MouseOver and Speak
I am having an issue where Mouseover doesn't work with Speak and instead returns Null. All ...
- 543
3
votes
1
answer
428
views
3
votes
1
answer
164
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Initializing Manipulate without grey bar
I have a relatively long code inside Manipulate that computes an output depending on controls. Computation takes about a second, so I am using ...
- 4,225