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class Specification: | |
def __and__(self, other): | |
return And(self, other) | |
def __or__(self, other): | |
return Or(self, other) | |
def __xor__(self, other): | |
return Xor(self, other) |
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import os | |
import asyncio | |
import sys | |
from asyncio.streams import StreamWriter, FlowControlMixin | |
reader, writer = None, None | |
@asyncio.coroutine | |
def stdio(loop=None): |
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# import config. | |
# You can change the default config with `make cnf="config_special.env" build` | |
cnf ?= config.env | |
include $(cnf) | |
export $(shell sed 's/=.*//' $(cnf)) | |
# import deploy config | |
# You can change the default deploy config with `make cnf="deploy_special.env" release` | |
dpl ?= deploy.env | |
include $(dpl) |
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2 - Autos & Vehicles | |
1 - Film & Animation | |
10 - Music | |
15 - Pets & Animals | |
17 - Sports | |
18 - Short Movies | |
19 - Travel & Events | |
20 - Gaming | |
21 - Videoblogging | |
22 - People & Blogs |
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#/bin/sh | |
ffmpeg -i input -c:v libx264 -preset slow -profile:v high -crf 18 -coder 1 -pix_fmt yuv420p -movflags +faststart -g 30 -bf 2 -c:a aac -b:a 384k -profile:a aac_low output |
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Latency Comparison Numbers | |
-------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |