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@jboner
jboner / latency.txt
Last active May 12, 2024 19:52
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
@karpathy
karpathy / min-char-rnn.py
Last active May 11, 2024 20:19
Minimal character-level language model with a Vanilla Recurrent Neural Network, in Python/numpy
"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np
# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)
@ScottPhillips
ScottPhillips / .htaccess
Created February 2, 2012 04:30
Common .htaccess Redirects
#301 Redirects for .htaccess
#Redirect a single page:
Redirect 301 /pagename.php http://www.domain.com/pagename.html
#Redirect an entire site:
Redirect 301 / http://www.domain.com/
#Redirect an entire site to a sub folder
Redirect 301 / http://www.domain.com/subfolder/
@BlakeGardner
BlakeGardner / install nano.sh
Last active May 9, 2024 13:35
Syntax highlighting in nano on Mac OS
# Last updated March, 2022 for Apple silicon Macs
# Install Homebrew if you don't already have it: https://brew.sh
# install nano from homebrew
brew install nano nanorc
# update your nanorc file
echo 'include "/opt/homebrew/share/nanorc/*.nanorc"' >> ~/.nanorc
# close and re-open your terminal and you'll have syntax highlighting
@jimbojsb
jimbojsb / gist:1630790
Created January 18, 2012 03:52
Code highlighting for Keynote presentations

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

@vitorbritto
vitorbritto / rm_mysql.md
Last active May 7, 2024 09:59
Remove MySQL completely from Mac OSX

Remove MySQL completely

  1. Open the Terminal

  2. Use mysqldump to backup your databases

  3. Check for MySQL processes with: ps -ax | grep mysql

  4. Stop and kill any MySQL processes

  5. Analyze MySQL on HomeBrew:

    brew remove mysql
    
@barryvdh
barryvdh / _ide_helper.php
Last active May 6, 2024 07:45
Laravel IDE Helper for Netbeans / PhpStorm / Sublime Text 2 CodeIntel, generated using https://github.com/barryvdh/laravel-ide-helper
<?php
/**
* A helper file for Laravel 5, to provide autocomplete information to your IDE
* Generated for Laravel 5.5.13 on 2017-09-28.
*
* @author Barry vd. Heuvel <barryvdh@gmail.com>
* @see https://github.com/barryvdh/laravel-ide-helper
*/
namespace {
exit("This file should not be included, only analyzed by your IDE");
@haje01
haje01 / TensorFlow 시작하기.md
Last active May 3, 2024 07:30
TensorFlow 시작하기

텐서플로우 시작하기

글쓴이: 김정주(haje01@gmail.com)

이 문서는 텐서플로우 공식 페이지 내용을 바탕으로 만들어졌습니다.


소개

텐서플로우(TensorFlow)는 기계 학습과 딥러닝을 위해 구글에서 만든 오픈소스 라이브러리입니다. 데이터 플로우 그래프(Data Flow Graph) 방식을 사용하였습니다.

@wzed
wzed / guzzle_pool_example.php
Created February 8, 2017 08:57
GuzzleHttp\Pool example: identifying responses to concurrent async requests
<?php
/*
* Using a key => value pair with the yield keyword is
* the cleanest method I could find to add identifiers or tags
* to asynchronous concurrent requests in Guzzle,
* so you can identify which response is from which request!
*/
$client = new GuzzleHttp\Client(['base_uri' => 'http://httpbin.org']);
/**
* Retrieves all the rows in the active spreadsheet that contain data and logs the
* values for each row.
* For more information on using the Spreadsheet API, see
* https://developers.google.com/apps-script/service_spreadsheet
*/
function readRows() {
var sheet = SpreadsheetApp.getActiveSheet();
var rows = sheet.getDataRange();
var numRows = rows.getNumRows();