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@vietlq
vietlq / conj2015_slides.md
Created September 27, 2019 12:06 — forked from odekopoon/conj2015_slides.md
clojure/conj 2015 リンク集
@vietlq
vietlq / EitherAsmAnalysis.cpp
Created September 6, 2019 16:29 — forked from nikhedonia/EitherAsmAnalysis.cpp
analysing Assembly generated by Eithers
#include <type_traits>
template<class L>
struct Left {
L const value;
};
template<class R>
struct Right {
R const value;
@vietlq
vietlq / pgo.sh
Created May 28, 2019 19:38 — forked from daniel-j-h/pgo.sh
pgo: profile guided optimization with gcc
# Instrument binaries, pgo data to /data/pgo, serial make is important to not confuse the pgo generator
env CXXFLAGS='-march=native -fprofile-dir=/data/pgo -fprofile-generate=/data/pgo' cmake .. -DCMAKE_BUILD_TYPE=Release
make -j 1
# Run instrumented program, generate and write pgo data
./runIt
# Use profile data and feed into gcc, correct for threading counter noise, serial make is important to not confuse the pgo generator
env CXXFLAGS='-march=native -fprofile-dir=/data/pgo -fprofile-use=/data/pgo -fprofile-correction' cmake .. -DCMAKE_BUILD_TYPE=Release
make -j 1
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vietlq / spreadsheet.mli
Created May 27, 2019 16:29 — forked from neel-krishnaswami/spreadsheet.mli
module type CELL = sig
type 'a cell
type 'a exp
val return : 'a -> 'a exp
val (>>=) : 'a exp -> ('a -> 'b exp) -> 'b exp
val cell : 'a exp -> 'a cell exp
val get : 'a cell -> 'a exp
@vietlq
vietlq / Python Turtle Fractal Plant.py
Created May 2, 2019 02:30 — forked from HansNewbie/Python Turtle Fractal Plant.py
Python Turtle Fractal Plant
# As described in http://en.wikipedia.org/wiki/L-system#Example_7:_Fractal_plant
import turtle
ruleInput = ['F', 'X']
ruleOutput = ["FF", "F-[[X]+X]+F[+FX]-X"]
start = "X"
front = 5
turn = 30
stack = []
@vietlq
vietlq / advanced_honeycomb.py
Created April 28, 2019 10:44 — forked from utstikkar/advanced_honeycomb.py
python turtle advanced honeycomb sourcecode (Lasse Kosiol)
# turtle honeycomb
# Lasse Kosiol
# 1.9.2012
# python workshop opentechschool berlin
import turtle
from random import randint
size = 20
circles = 20
@vietlq
vietlq / latency.txt
Created April 18, 2019 07:39 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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
@vietlq
vietlq / heart-cursor-for-felix.css
Last active March 15, 2019 06:44
Heart cursor for Felix
.svg {
cursor: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/9632/heart.svg), auto;
}
.svg-base64 {
cursor: url(data:text/html;base64,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), auto;
}
.png-base64 {
cursor: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyhpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iI
@vietlq
vietlq / gist:a6b9b24f0517a65f8b205da74d5dce32
Created December 9, 2018 19:21
Verifying my Blockstack ID is secured with the address 1JgATzmvUGYJZYfQnHqTMo5GCfAgcPnQT6 https://explorer.blockstack.org/address/1JgATzmvUGYJZYfQnHqTMo5GCfAgcPnQT6
@vietlq
vietlq / .travis-ci.sh
Created November 12, 2018 10:57 — forked from avsm/.travis-ci.sh
Sample Travis setup for OCaml projects
# Edit this for your own project dependencies
OPAM_DEPENDS="ocamlfind ounit re"
case "$OCAML_VERSION,$OPAM_VERSION" in
3.12.1,1.0.0) ppa=avsm/ocaml312+opam10 ;;
3.12.1,1.1.0) ppa=avsm/ocaml312+opam11 ;;
4.00.1,1.0.0) ppa=avsm/ocaml40+opam10 ;;
4.00.1,1.1.0) ppa=avsm/ocaml40+opam11 ;;
4.01.0,1.0.0) ppa=avsm/ocaml41+opam10 ;;
4.01.0,1.1.0) ppa=avsm/ocaml41+opam11 ;;