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Monday, June 26, 2017

Fast download with Golang

Hey all, people keep saying about how great the concurrency is in golang. To be honest, I am pretty much a novice in this.

So just wrote a download accelerator in golang using it's much awesome parallel feature, the source of which can be found here: https://github.com/rghose/go-parallel-downloader

Here are a few results:

URL DownloadedTime taken by wgetTime taken by Golang

This was with GOMAXPROCS=2, threads = 5  with Chunk Size = 10 KB

So well, the chunk size of download did make a lot of difference, since the number of connections to download the thing would decrease, too many connections does not help in speed up

Tuesday, June 20, 2017

Get brightness levels on jailbroken ios devices

One liner:

idevicediagnostics ioreg IOPower | grep -A7 'brightness' | tail -n1 | egrep -o '\d+'


idevicediagnostics ioreg IOPower

This gives a lot of hardware info!