jboner

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

jhurliman

/**
 * Copyright 2017 John Hurliman <jhurliman.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *

apolloclark

# create an account, create an app
# @see https://apps.twitter.com/

# retrieve the access tokens
# @see https://dev.twitter.com/oauth/reference/post/oauth2/token

# create the file ~/twitter_api
nano ~/twitter_api
Authorization: OAuth oauth_consumer_key="XXXXXX", oauth_nonce="11111111", oauth_signature="XXXXXX", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1450728725", oauth_token="99999-XXXXXX", oauth_version="1.0"

simonw

$ wget -e robots=off -r -np 'http://example.com/folder/'

• -e robots=off causes it to ignore robots.txt for that domain
• -r makes it recursive
• -np = no parents, so it doesn't follow links up to the parent folder

batzner

import sys, getopt

import tensorflow as tf

usage_str = 'python tensorflow_rename_variables.py --checkpoint_dir=path/to/dir/ ' \
            '--replace_from=substr --replace_to=substr --add_prefix=abc --dry_run'


def rename(checkpoint_dir, replace_from, replace_to, add_prefix, dry_run):
    checkpoint = tf.train.get_checkpoint_state(checkpoint_dir)

negrinho

Latency Comparison Numbers Simplified (~2012)
----------------------------------   log2 log10
L1 cache reference                     0    0    ~ 1 ns
Branch mispredict                      3    1
L2 cache reference                     4    1
Mutex lock/unlock                      6    2
Main memory reference                  8    2
Compress 1K bytes with Zippy          13    4
Send 1K bytes over 1 Gbps network     14    4
Read 4K randomly from SSD*            18    5

mohanpedala

Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

BoQsc

Type this into Github Gist Search (https://gist.github.com/)

user:BoQsc  your search query

timothymugayi

import time

from random import randrange
from multiprocessing.pool import ThreadPool

from tqdm import tqdm


def func_call(position, total):
    text = 'progressbar #{position}'.format(position=position)

tscmoo

#include <cstdio>
#include <random>

#include "openbw/bwgame.h"
#include "openbw/actions.h"

int main() {

	std::mt19937 rng(std::random_device{}());