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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
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 |
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""" | |
From this paper: http://acl.ldc.upenn.edu/acl2004/emnlp/pdf/Mihalcea.pdf | |
I used python with nltk, and pygraph to do an implmentation of of textrank. | |
for questions: http://twitter.com/voidfiles | |
""" | |
import nltk | |
import itertools |
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HTTP transfer protocols | |
======================= | |
Git supports two HTTP based transfer protocols. A "dumb" protocol | |
which requires only a standard HTTP server on the server end of the | |
connection, and a "smart" protocol which requires a Git aware CGI | |
(or server module). This document describes both protocols. | |
As a design feature smart clients can automatically upgrade "dumb" | |
protocol URLs to smart URLs. This permits all users to have the |
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"
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data:text/html, <style type="text/css">#e{position:absolute;top:0;right:0;bottom:0;left:0;}</style><div id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script><script>var e=ace.edit("e");e.setTheme("ace/theme/monokai");e.getSession().setMode("ace/mode/ruby");</script> |
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# Visualise a latex document git history | |
# loop through commits, create a PDF from your main file for each | |
# translate the pages of that PDF to a single image | |
# create GIF/mp4 from the folder of images created | |
# run within your local repository | |
# prerequisites: ImageMagick and FFmpeg | |
# create output folder |
-
Add Graal JIT Compilation to Your JVM Language in 5 Steps, A Tutorial http://stefan-marr.de/2015/11/add-graal-jit-compilation-to-your-jvm-language-in-5-easy-steps-step-1/
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The SimpleLanguage, an example of using Truffle with great JavaDocs. It is the officle getting-started project: https://github.com/graalvm/simplelanguage
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Truffle Tutorial, Christan Wimmer, PLDI 2016, 3h recording https://youtu.be/FJY96_6Y3a4 Slides
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# coding=UTF-8 | |
from __future__ import division | |
import re | |
# This is a naive text summarization algorithm | |
# Created by Shlomi Babluki | |
# April, 2013 | |
class SummaryTool(object): |
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