Matt Ginzton metamatt
metamatt
/ fast wake
Created
October 28, 2014 17:01
This is my new mandatory sequence after upgrading OS X, since I prioritize my laptop waking up the second I open it higher than month-long standby, and this is apparently contrary to Apple's priorities since every OS X upgrade seems to nerf my settings back to the defaults: http://blog.metamatt.com/blog/2013/03/20/apple-is-getting-really-aggress…
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| magi@duality ~> sudo pmset -b standbydelay 43200 | |
| magi@duality ~> sudo pmset -c standby 0 | |
| magi@duality ~> pmset -g | |
| Active Profiles: | |
| Battery Power -1* | |
| AC Power -1 | |
| Currently in use: | |
| standbydelay 43200 | |
| standby 1 | |
| halfdim 1 |
metamatt
/ fiberStacks.js
Last active
August 29, 2015 14:07
Demo of the call stacks you get from console.trace for a few scenarios involving node-fibers.
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| 'use strict'; | |
| var Fiber = require('fibers'); | |
| var Future = require('fibers/future'); | |
| function test() { | |
| console.trace('trace from root non-fiber'); | |
| // Create fiber explicitly, the low-level way. | |
| var f1 = Fiber(function fiber1() { |
metamatt
/ preemption.js
Created
October 10, 2014 08:35
Demo of undesirable preemption in NodeJS due to MakeCallback.
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| // | |
| // preemption.js | |
| // | |
| // Demo of undesirable preemption in NodeJS 0.10 (at least) due to MakeCallback; | |
| // outer JS code that's running along happily but transitions to C++ code and then | |
| // some inner JS code and back can find that state has changed out from under it, | |
| // in ways it cannot predict (or conversely, that the inner JS code can observe | |
| // shared data structures in an inconsistent state because the outer code was in | |
| // the process of making changes to them that were intended to be atomic, and are | |
| // not atomic due to this preemption). |
metamatt
/ gist:e654f8ce7e25ed0fc906
Last active
August 29, 2015 14:06
url.parse api changes between node 0.10 and node 0.12 break karma
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| See for example https://github.com/karma-runner/karma/blob/master/lib/middleware/karma.js#L40, which assumes the result of `url.parse(foo, true)` always has a non-null `.query` property. | |
| In node 0.10.26: | |
| magi@ubuntu ~/s/d/experiments> node-0.10.26 | |
| > url.parse('/foo', true) | |
| { protocol: null, | |
| slashes: null, | |
| auth: null, | |
| host: null, |
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| discourse@chunkalicious:/var/www/discourse$ RUBY_GC_MALLOC_LIMIT=90000000 RAILS_ENV=production bundle exec rake db:migrate | |
| WARNING: -------------------------------------------------------------------------- | |
| You are running an old version of bundler, please update by running: gem install bundler | |
| WARNING: -------------------------------------------------------------------------- | |
| You are running an old version of bundler, please update by running: gem install bundler | |
| rake aborted! |
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| 2014/06/21 (10:23pm on a saturday night, maybe bad case for monkeybrains): | |
| astound: | |
| wormhole:~# ping -I eth0.101 204.195.74.1 | |
| PING 204.195.74.1 (204.195.74.1) from 204.195.74.x eth0.101: 56(84) bytes of data. | |
| 64 bytes from 204.195.74.1: icmp_req=1 ttl=64 time=9.76 ms | |
| 64 bytes from 204.195.74.1: icmp_req=2 ttl=64 time=7.21 ms | |
| 64 bytes from 204.195.74.1: icmp_req=3 ttl=64 time=10.3 ms | |
| 64 bytes from 204.195.74.1: icmp_req=4 ttl=64 time=9.39 ms |
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