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tech

A collection of 147 posts

YouTube Ingest by Hand (Part 1)

Has anyone ever actually got YouTube's MPEG-DASH live streaming ingest thing to work? I've got all of the API stuff handled correctly. I'm producing an MPD that YouTube's API accepts without error. And I'm pushing the media MP4 files which

CameraMan or Who Watches the Watchmen?

Meet CameraMan. This app (Mac OS X, 10.11.x or greater) is my most recent personal project to fall victim to the demands of the day job. It's a Mac OS X app for video camera streaming. It'll work with most IP or USB cameras.

App Distribution in the Post-TestFlight World or How Apple Restored Balance to iOS App Development

First, let me say that this blog post is about two years too late, almost to the day. But maybe a few people will still find it useful. Step back in time with me, back to early 2014, back before Apple acquired Burstly (the parent company of TestFlight). I used

Parallela

I haven't been this excited about a Kickstart project in, well, forever, actually. Parallela. If all goes well, I'll have a 64-core RISC-based Ubuntu-running computer to play with this coming May. The DSP stuff I could do with that ... I wonder if I should start writing

Free, Throw-Away Email Addresses

For a free throw-away email address for use with annoying registration forms: http://spamass.net

print_number() - an alternative for sprintf()

In most situations this probably falls clearly into the category of premature optimization, but if you need that extra ounce of efficiency in a situation where you're converting a numeric value into its ascii equivalent via sprintf(), you might find this print_number() solution useful. It has precisely

Phil "Boring" Schiller

The one executive at Apple who can consistently take an exciting, world-changing product and introduce it with the world's most boring half hour monologue -- is supposedly becoming the "public face" of Apple. I thought Tim Cook was smarter than that. I look forward to reading

Linkers

I spent this week learning about Node.js C++ add ons, node-wap, node-gyp and linker behavior. What a week. The monkey wrench in the whole thing was that this C++ add on depended on a particular static library (".a" file). The resulting file (from "node-wap build"

D-Link Life Expectancy

My home network has had at its center a D-Link switch for a year and a half now. Recently it has started failing every few days - refusing to route any packets until it was rebooted. Considering the value of a packet-switching device that refuses to route packets, this was

Getting and Setting a File's Extended Attributes

One last code snippet.... This'll let you get and set the extended attributes on a file in OS X. It uses setxattr() / getxattr() / listxattr(), but it's all wrapped up in ARC-dependent Objective-C. When setting a value you can pass in either an NSString or an NSData.

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