Questions tagged [timer]
This tag is for questions about using timers in code to make things happen in a certain order or for gathering amount of time elapsed.
304
questions
2
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1
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47
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Clear output line in terminal after use for countdown (different length strings)
The method to overwrite the same line is well known and I use it for countdown, but what about when the next output string has a different size and will be generated by a single print? That's the ...
- 111
5
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3
answers
297
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1
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0
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41
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Timer with input, sound and flashing ( Just timer :) )
I know that this program is not very outstanding, but I'm learning "Python" and decided to publish this code in order to get some advice and parting words and overall evaluation of the ...
- 41
2
votes
1
answer
76
views
Program to check if a window is opened or not during some time interval
I'm trying to write a program that will check if a window is opened or not, during a given time. I was able to do that, but now I'm trying to make my code look cleaner. I don't like how I implement ...
- 23
6
votes
3
answers
691
views
Python analog clock with turtle - runs slow
I made a python analog clock program with turtle. The problem is, it takes about 1.4 seconds to loop, so it only moves the second hand every 1.4 seconds. Its probably cuz my computer is slow...
...
- 191
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0
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109
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A VBA program to quantify the performance of code execution timers
Motivation
I am interested in optimising the execution time of code with short (fast) execution times on the order of microseconds (µs), but that will be used with high frequency (e.g. like ...
- 181
2
votes
1
answer
104
views
Leaky Bucket Algorithm with no Queue
Basic implementation of a leaky bucket, the idea is you call it by saying I will allow e.g. 5 login attempts per 60 seconds.
...
- 421
5
votes
1
answer
141
views
Safe Windows API Timers for Excel
Motivation
Windows API timers are notorious for crashing.
I've been using them for years to workaround a nasty bug that makes User Defined Functions (UDFs) very slow in Excel when calculated in ...
- 1,001
3
votes
2
answers
146
views
Retry a callback function n times until success
I want to make a function to retry calling callback n times until it return TRUE;
Here's my current code:
...
- 31
4
votes
9
answers
279
views
Simple stop watch class
I've made a little library where I add some functionalities from time to time that I miss in the Java standard library.
I am sad that the Java library for example has no stop watch class that allows ...
- 2,006
3
votes
1
answer
100
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Simple stopwatch in C
A very simple stopwatch. Intended to be used for simple benchmarking when you want to do a task several times, but exclude some setup code from the benchmarking.
Some things I have already considered:
...
- 903
3
votes
1
answer
380
views
Timer for event throttling
I have the following problem. I want to write a class that handles events and passes it through but reduce its number if there recently was an event. Basically it is debounce. However there is a ...
- 131
6
votes
2
answers
632
views
Time duration conversion with units
I recently was asked to upgrade some C++11 code to add a feature by which the user can set a time duration from the command line of the program. The requirement was to have a default time of 1500 ms ...
- 64.4k
6
votes
3
answers
400
views
A priority based timer using priority queue
I am trying to implement a priority-based timer where certain events are fired out based on their expiry and the priority.
So if there are 3 timers with the following expiry time and priorities
...
- 147
2
votes
1
answer
152
views
watchdog for c++11
I created a watchdog/notifier in C++ and wanted to make it better so it could be used by multiple people. The idea is that there is a timer class and event. client create events and pass a lambda ...
7
votes
1
answer
565
views
Digital clock with Python Tkinter
While learning about python tkinter, I decided to make a digital clock:
...
- 95
3
votes
0
answers
106
views
C# class library for managing recurring background operations
I have written a class library for creating timer-based bacground operations in .NET projects. The idea is to be able to create and manage (start/stop/resume/cancel) recurring background operations ...
- 31
3
votes
0
answers
47
views
Python script that getting list of all files with specific ext starting from the current folder. Using timer for reporting about the process
I am using a function that returns a list of all files (full path for each of them) with the given extension in the given folder and all subfolders.
As the process is quite long and user can get ...
- 31
2
votes
3
answers
3k
views
A Countdown Timer with reset functionality in pure Javascript
This works for me, but is this the right way to create this timer?
I might be naive about this but I think this is close to perfect in pure JS.
What would be the drawbacks of using this Timer compared ...
- 21
3
votes
1
answer
70
views
Windows high resolution timing class
I'm attempting to implement a high resolution class used to time the execution time of functions in Windows. After using this documentation, I have come up with the following:
...
- 133
2
votes
1
answer
42
views
Detect discontinuities in Windows clock in Java
Please review the code below, which detects discontinuities in Windows system clock in long-running programs.
...
- 121
3
votes
2
answers
129
views
Timer with interval function
I've been tasked with writing a function that executes a passed function every interval, passed to the function by the user. Below is the code, and how to call it:
...
- 9,587
1
vote
1
answer
90
views
Allow adding errors and warnings and remove both after a while with seperate timers
I use this in my Blazor application, letting other services send errors or warnings to this AlertService. The service triggers an update of a component which simply displays the messages, errors in ...
- 127
4
votes
0
answers
103
views
Just a digital clock in Swing
I've written a little clock implementation in Java Swing. It now seems to work flawlessly after having terrible Swing specific timing problems. Please indicate if this is the way to draw the clock and ...
- 4,474
3
votes
0
answers
45
views
n executions of a periodic goroutine
I'm new to Go and have a use-case for periodically executing an async work-function. I want the interval between work-function executions to be constant (not the time between one finishing and the ...
- 337
8
votes
3
answers
195
views
Stopwatch interface OOP (Vanilla JS)
I'm learning OOP and the first exercise of the course was to made a Stopwatch class. I did it really fast and decided to make an interface for this little app.
I created the interface. Basically I ...
- 111
2
votes
0
answers
32
views
Refresh the List box with new rooms from the server every 3 seconds [closed]
So i have a server which I send a Request to and it sends me back a list of rooms,Now i made a window for joining rooms and I'm trying to refresh it every 3 seconds but when i use the Timer thread to ...
1
vote
2
answers
283
views
sleepless timer that does not lose time and handles spurious wakes
I have written a timer class.
Here it is in all its "glory" with some functions around it to test it:
https://rextester.com/LQSXUA43758
Below is the class on its own, note it also relies on ...
- 111
1
vote
1
answer
388
views
Run a timer while waiting for user input [closed]
I am making a C# console maths test where the user answers maths questions.
I am trying to add a timer to the test, I have managed to make a timer but when I run my code it becomes a mess!
Here is ...
- 131
3
votes
2
answers
48
views
Simple Timer Program
I have built a timer program in JavaScript. It decrements one counter every second, and if that counter is at zero, it decrements another counter, and sets the first counter to 59. If the second ...
- 173
2
votes
1
answer
290
views
3
votes
1
answer
1k
views
Timer for scheduling tasks in C++11
I have made a simple Timer class used for scheduling tasks. While defining the interface, I have followed the interface of a ...
- 275
3
votes
1
answer
322
views
ValueAnimator for IOS - Did I butcher it up?
I am trying to make an IOS tool similar to Android's ValueAnimator... more or less
This is useful for situations where you simply want a value to "animate" over time, but rather than necessarily ...
- 133
5
votes
2
answers
332
views
Productivity/Timer app that uses twilio to send SMS-reminders
I wrote a timer app in python using both twilio and the timer module; sends an sms to my phone after a certain amount of time has passed. While it works without a doubt, I wanted to gather some ideas/...
- 51
3
votes
1
answer
86
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Plot timings for a range of inputs MkII
To celebrate questions getting more reputation points per upvote, I revisited my previous question, Plot timings for a range of inputs.
Since the time of that original question (more than two years!),...
- 40.6k
13
votes
1
answer
806
views
Tick. Tick. *breathe* BOOM! - Setting up real, stable asynchronous callbacks with WinAPI Timers in VBA
WinAPI Timers can be quite tricky to work with, as anyone who's tried to use them and fallen foul of one of the many pitfalls probably knows. Problems such as screen freezing, crashes, uncontrolled ...
- 2,050
4
votes
0
answers
103
views
React - pomodoro clock
I'm looking for some feedback on a pomodoro clock that I recently wrote with React.
I'm pretty new to React and coding in general. I followed a couple of online courses, but I'm mostly self-taught. ...
- 41
2
votes
0
answers
270
views
RxJs observables pipes SwitchMap and async with typealong search input
I'm using RxJs for type along search, I setup an observable to emit a value after 1 second so it behaves like http with delay. I subscribe to it via the async operator in the template, the component ...
- 121
1
vote
1
answer
1k
views
React continuous polling
I have a Notifications component in my React app, which continuously polls the server for new notifications. The app uses Redux for storing notifications. When a new notification is received, it is ...
- 111
1
vote
0
answers
66
views
Limit framerate [closed]
I have made this class.
Not sure if there is anyway to make it better.
It seems to work alright half the time, but other times frames jump up higher then the set limit around 30frames more if i set it ...
- 11
3
votes
2
answers
844
views
A simple stop watch which I want to extend
I am making a very simple stopwatch functionality as below.
New will start the timer.
Pause will suspend the watch.
Start will restart again.
Session will return the duration.
...
- 205
3
votes
2
answers
321
views
A little C++ program to have timed rounds for a game
I know it could be better, but I’m new to C++, so I don’t know many of the tricks, along with some of the includes that are already obsolete.
This program asks for names as input, adds a time for ...
- 31
4
votes
1
answer
134
views
Single-thread Task Scheduler with type erasure and allocator-aware
I made a task scheduler to practice allocators and type erasure. With my project, you can delay execution of any callable (functions (using std::ref), lambdas...) ...
- 470
5
votes
2
answers
71
views
7
votes
2
answers
5k
views
Safe Dispose of Timer
I am currently refactoring a larger solution where the compiler gave multiple warnings about disposing the used System.Timers.Timer instances. The timers are ...
- 73
5
votes
1
answer
170
views
timer struct for fixed timestep iterations in C (gcc)
I was toying with a way force fixed timestep loop iterations in C and came up with a fairly simple timer struct (quite different from Pausable Timer Implementation for SDL in C and decided to put it ...
- 668
6
votes
2
answers
252
views
pydoro - terminal tomato timer
I've recently created a tomato timer for terminal. It's hosted in github.
My concerns are how Pythonic my code is? Is the way I'm handling state transitions good? Which areas of the text user ...
- 4,491
3
votes
1
answer
80
views
Throttling promise execution (API requests, etc)
I was working on a client for a remote api and realized that I needed to throttle requests at a maximum rate of 4 Hertz (4 requests per second). I wrote a simple typescript class to do it and wanted ...
- 133
1
vote
1
answer
190
views
Suppress API call in Redux Saga based on a timer
I have an API that provides data that is updated on an infrequent schedule, about once every 2½ minutes on average. Assuming that it's okay to fetch only as often as every 2½ minutes or less often, I'...
- 445
4
votes
0
answers
78
views
Game clock with configurable rate
Edit: Licensed source can be found here.
The intent behind this class is to allow different game systems to run at their own clock rate. The physics integration rate should not be connected to the ...
- 313