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Timing and Position Triangulation Using Sensors

Say I have 3 vibration sensors around in a room. How would I determine the location of someone in the room using these vibration sensors. If I used an fpga I'm sure it could sample fast enough to ...
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0answers
12 views

Indicating next departure in real time

I have a code allowing to announce a future event according to a date (numbers of days between two dates..) and i would like to alter it to make it work between hours/minutes of the day (ie. giving ...
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10 views

Mailbox Message Flow Control

I previously implemented a mailbox in C++ that copies the behavior of a SystemVerilog mailbox: http://www.asic-world.com/systemverilog/sema_mail_events2.html The two main mailbox functions used are ...
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0answers
22 views

Javascript setInterval issues – Flashing back and forth

I am having a little trouble getting my setInterval code to work. It is held within a click event. The first part works great but when I click a second time, it just flashes back and forth. if ...
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0answers
16 views

Quirk with KeyDown event timing, how can I bypass it?

I have a method which decreases the value of a variable while a key is pressed (such as the spacebar). The variable is displayed on a label in a windows form. Trouble is, when I hold down the key, the ...
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2answers
46 views

AngularJS Directive scope not binding in time

I'm having a binding timing issue with my AngularJS directive. Its controller looks like this: controller: function($element, $scope) { $element.find("input").bind("blur", function() { ...
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2answers
25 views

Prevent context-switching in timed section of code (or measure then subtract time not actually spent in thread)

I have a multi-threaded application, and in a certain section of code I use a Stopwatch to measure the time of an operation: MatchCollection matches = regex.Matches(text); //lazy evaluation Int32 ...
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1answer
38 views

Controlling Thread Execution Time in Python

Is it possible to control the proportional execution time of a thread in python. For example, I have three functions F1, F2 and F3 in my program. I am calling each function with using start_new_thread ...
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1answer
27 views

Reducing Jitter in HTML5/Javascript App

I'm building for a hobby a metronome in JavaScript/HTML5 (should be eventually a FirefoxOS app). The problem I have is Jitter, which is a no-go for Metronomes. I understand that JavaScript is ...
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0answers
21 views

Coordinating AudioUnit play: why is NSLog needed?

This is really crazy. I'm using an AudioUnit to play a series of tones (with rests/silences between). Maybe there's a problem with threading? My code 'works,' but without the NSLog, only the first ...
0
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1answer
18 views

When using the Python Image Library, does open() immediately decompress the image file?

Short question When using the Python Image Library, does open() immediately decompress the image file? Details I would like to measure the decompression time of compressed images (jpeg, png...), as ...
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2answers
39 views

Repeat forever but report each x seconds

I'm trying to benchmark how many times a function is able to run in, say 10 seconds using this code: import time window = 10 while True: n = 0 while time.time() % window: test() ...
0
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1answer
14 views

resume timing in task scheduler?

i am trying to make a program run for 13 hours every 7 days and then the program will stop and the task will end. However i may turn off my computer during that time and then do you know if when i ...
2
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2answers
76 views

Arduino millis funcion taking longer than expected

I'm trying to make my Arduino sketch sleep 1 seconds on every execution of the loop function. The methods involved on the loop may vary their execution time, and that's why I implemented millis. I'm ...
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vote
2answers
35 views

setTimeout inside $.each won't respect the timing

I want to backup, delete every item in a list, and append each one after 1 second. I am trying like this: var backup = $('#rGallery').html(); $('#rGallery li').remove(); ...

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