China gate mp3 songs free download 320kbps

August 25, 2021 / Rating: 4.6 / Views: 914

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Calculate download speed from time and file size

As a feature in the application which Im developing, I need to show the total estimated time left to upload/download a file to/from server. how would it possible to get the download/upload speed to the server from client machine. i think if im able to get speed then i can calculate time by -- The upload/download speed is no static property of a server, it depends on your specific connection and may also vary over time. Most application I've seen do an estimation over a short time window. That means they start downloading/uploading and measure the amount of data over, lets say 10 seconds. This is then taken as the current transfer speed and used to calculate the remaining time (e.g. 2500k B / 10s - This is only tangentially related, but I assume if you're trying to calculate total time remaining, you're probably also going to be showing it as some kind of progress bar. If so, you should read this paper by Chris Harrison about perceptual differences. Here's the conclusion straight from his paper (emphasis mine). Different progress bar behaviors appear to have a significant effect on user perception of process duration. By minimizing negative behaviors and incorporating positive behaviors, one can effectively make progress bars and their associated processes appear faster. Additionally, if elements of a multistage operation can be rearranged, it may be possible to reorder the stages in a more pleasing and seemingly faster sequence. I don't know why do you need this but i would go simpliest way possible and ask user what connection type he has. Then take file size divide it by speed and then by 8 to get number of seconds. Point is you won't need processing power to calculate speeds. Microsoft on their website use function that calculates a speed for most default connections based on file size which you can get while uploading the file or to enter it manually. Again, maybe you have other needs and you must calculate upload on fly... As a feature in the application which Im developing, I need to show the total estimated time left to upload/download a file to/from server. how would it possible to get the download/upload speed to the server from client machine. i think if im able to get speed then i can calculate time by -- The upload/download speed is no static property of a server, it depends on your specific connection and may also vary over time. Most application I've seen do an estimation over a short time window. That means they start downloading/uploading and measure the amount of data over, lets say 10 seconds. This is then taken as the current transfer speed and used to calculate the remaining time (e.g. 2500k B / 10s - This is only tangentially related, but I assume if you're trying to calculate total time remaining, you're probably also going to be showing it as some kind of progress bar. If so, you should read this paper by Chris Harrison about perceptual differences. Here's the conclusion straight from his paper (emphasis mine). Different progress bar behaviors appear to have a significant effect on user perception of process duration. By minimizing negative behaviors and incorporating positive behaviors, one can effectively make progress bars and their associated processes appear faster. Additionally, if elements of a multistage operation can be rearranged, it may be possible to reorder the stages in a more pleasing and seemingly faster sequence. I don't know why do you need this but i would go simpliest way possible and ask user what connection type he has. Then take file size divide it by speed and then by 8 to get number of seconds. Point is you won't need processing power to calculate speeds. Microsoft on their website use function that calculates a speed for most default connections based on file size which you can get while uploading the file or to enter it manually. Again, maybe you have other needs and you must calculate upload on fly...

date: 25-Aug-2021 22:01next


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