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This is a numbered list.
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I'm going to include a fenced code block as part of this bullet:
Code More Code
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function Hash(object){ | |
function hash(key, value){ | |
return ( | |
arguments.length === 2 ? hash.set(key, value) : | |
arguments.length === 1 ? hash.get(key) : | |
hash.index | |
); | |
}; | |
hash.index = {}; | |
for (var p in Hash.prototype) hash[p] = Hash.prototype[p]; |
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from geventwebsocket.handler import WebSocketHandler | |
from gevent.pywsgi import WSGIServer | |
from flask import Flask, request, render_template | |
app = Flask(__name__) | |
@app.route('/') | |
def index(): | |
return render_template('index.html') |
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// Given a query string "?to=email&why=because&first=John&Last=smith" | |
// getUrlVar("to") will return "email" | |
// getUrlVar("last") will return "smith" | |
// Slightly more concise and improved version based on http://www.jquery4u.com/snippets/url-parameters-jquery/ | |
function getUrlVar(key){ | |
var result = new RegExp(key + "=([^&]*)", "i").exec(window.location.search); | |
return result && unescape(result[1]) || ""; | |
} |
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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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import java.io.IOException; | |
import java.nio.charset.StandardCharsets; | |
import java.nio.file.Files; | |
import java.util.Arrays; | |
import java.util.Iterator; | |
import java.util.Properties; | |
import org.I0Itec.zkclient.ZkClient; | |
import org.apache.kafka.clients.consumer.ConsumerRecord; | |
import org.apache.kafka.clients.consumer.ConsumerRecords; | |
import org.apache.kafka.clients.consumer.KafkaConsumer; |
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#!/usr/bin/env bash | |
# | |
# This is sp, the command-line Spotify controller. It talks to a running | |
# instance of the Spotify Linux client over dbus, providing an interface not | |
# unlike mpc. | |
# | |
# Put differently, it allows you to control Spotify without leaving the comfort | |
# of your command line, and without a custom client or Premium subscription. | |
# |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
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http { | |
log_format bodylog '$remote_addr - $remote_user [$time_local] ' | |
'"$request" $status $body_bytes_sent ' | |
'"$http_referer" "$http_user_agent" $request_time ' | |
'<"$request_body" >"$resp_body"'; | |
lua_need_request_body on; | |
set $resp_body ""; | |
body_filter_by_lua ' |
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