fennb

#!/bin/bash

MYSTRING="hello there"
STRLEN=${#MYSTRING}
let STARTPOS=$[STRLEN-5]
echo "First 5: ${MYSTRING:0:5}"
echo "Last 5: ${MYSTRING:$STARTPOS:5}"

fennb

// synchronous version
myThing = synchronousCache.get("id:3244");
if (myThing == null) {
  myThing = synchronousDB.query("SELECT * from something WHERE id = 3244");
}
// Do various stuff with myThing here

fennb

// asynchronous version
asynchronousCache.get("id:3244", function(err, myThing) {
  if (myThing == null) {
    asynchronousDB.query("SELECT * from something WHERE id = 3244", function(err, myThing) {
      // We now have a thing from DB, do something with result
      // ...
    });

  } else {
    // We have a thing from cache, do something with result

fennb

// Illustrative case
for (var i = 0; i < recentBlogPostIds.length; i++) {
  var blogPostId = recentBlogPostIds[i];
  var results = [];
  // Fetch from DB
  asynchronousDB.getBlogPostById(blogPostId, function(err, post) {
    htmlFragment = templating.render(post);
    results.push(htmlFragment);
  });
}

fennb

#!/bin/bash

# FLAC encoded example
curl \
  --data-binary @example.flac \
  --header 'Content-type: audio/x-flac; rate=16000' \
  'https://www.google.com/speech-api/v1/recognize?xjerr=1&client=chromium&pfilter=2&lang=en-US&maxresults=6'

# Speex encoded example
curl \

fennb

const int SpeechRecognizer::kAudioSampleRate = 16000;
const int SpeechRecognizer::kAudioPacketIntervalMs = 100;
const ChannelLayout SpeechRecognizer::kChannelLayout = CHANNEL_LAYOUT_MONO;
const int SpeechRecognizer::kNumBitsPerAudioSample = 16;
const int SpeechRecognizer::kNoSpeechTimeoutSec = 8;
const int SpeechRecognizer::kEndpointerEstimationTimeMs = 300;
// ...
const char* const kContentTypeSpeex = "audio/x-speex-with-header-byte; rate=";
const int kSpeexEncodingQuality = 8;
const int kMaxSpeexFrameLength = 110;  // (44kbps rate sampled at 32kHz).

fennb

{
    "hypotheses": [
        {
            "confidence": 0.88569070000000005, 
            "utterance": "this is pretty cool"
        }, 
        {
            "utterance": "thesis pretty cool"
        }, 
        {

fennb

$ ab -n 200 -c 4 http://wp-demo.local:8080/

Server Software:        Apache/2.2.17
Server Hostname:        wp-demo.local
Server Port:            8080

Document Path:          /
Document Length:        5726 bytes

Concurrency Level:      4

fennb

$ ab -n 10000 -c 500 http://wp-demo.local/

Server Software:        nginx/0.8.54
Server Hostname:        wp-demo.local
Server Port:            80

Document Path:          /
Document Length:        5728 bytes

Concurrency Level:      500

fennb

var http = require('http');

http.createServer(function(request, response) {
  var proxy = http.createClient(80, request.headers['host'])
  var proxy_request = proxy.request(request.method, request.url, request.headers);
  proxy_request.addListener('response', function (proxy_response) {
    proxy_response.addListener('data', function(chunk) {
      response.write(chunk, 'binary');
    });
    proxy_response.addListener('end', function() {