shanemhansen

package ai.shane;

import com.google.api.core.ApiFunction;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutureCallback;
import com.google.api.core.ApiFutures;
import com.google.api.gax.core.ExecutorProvider;
import com.google.api.gax.core.FixedExecutorProvider;
import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
import com.google.cloud.pubsub.v1.Publisher;

shanemhansen

On WFH

Author: shanemhansen Date: 2020-03-03

Due to recent events, many people who aren’t used to working from home might be working from home. Given that I spent the previous 5 years prior to Google managing a fully remote group of people WFH now seems like a good time to share some observations of what works and typical pitfalls.

Communications

shanemhansen

shanemhansen

javascript:!function(){var e,t,n;try{var o=document.querySelectorAll("div[data-name='Active Items'] div[data-asin]"),r=[["ProductID","Price","Quantity","Description","Link"].join(",")];o.forEach(function(e){var t=e.getAttribute("data-price"),n=e.getAttribute("data-quantity"),o=e.getAttribute("data-asin"),c=e.querySelector(".sc-product-link").href,a='"'+e.querySelector(".sc-product-title").textContent.replace(/"/g,'""').trim()+'"';r.push([o,t,n,a,c].join(","))}),e=r.join("\n"),t=document.createElement("textarea"),n=document.getSelection(),t.textContent=e,document.body.appendChild(t),n.removeAllRanges(),t.select(),document.execCommand("copy"),n.removeAllRanges(),document.body.removeChild(t)}catch(e){return void alert("Copy failed: "+e)}alert("Copy Successful, csv in in your clipboard")}();

shanemhansen

Load balancing

A survey of techniques for scaling busyish websites for non-experts.

Who Am I?

• Shane Hansen (@shanemhansen)
• Walmartlabs Edge Engineering
• Performance connoisseur

shanemhansen

"".TestEmpty STEXT nosplit size=22 args=0x18 locals=0x0                                                                                                 
        0x0000 00000 (/home/shansen/foo.go:14)  TEXT    "".TestEmpty(SB), NOSPLIT, $0-24                                                                
        0x0000 00000 (/home/shansen/foo.go:14)  FUNCDATA        $0, gclocals·d4dc2f11db048877dbc0f60a22b4adb3(SB)                                       
        0x0000 00000 (/home/shansen/foo.go:14)  FUNCDATA        $1, gclocals·33cdeccccebe80329f1fdbee7f5874cb(SB)                                       
        0x0000 00000 (/home/shansen/foo.go:14)  MOVQ    "".val+16(SP), AX                                                                               
        0x0005 00005 (/home/shansen/foo.go:15)  TESTQ   AX, AX                                                                                          
        0x0008 00008 (/home/shansen/foo.go:15)  JNE     16                                                

shanemhansen

#!/usr/bin/env python                                                                                                                                                                  

rate=0.07 # some interest rate 1==100% .07==7%                                                                                                                                         
frequency=1/12.0 # yearly frequency                                                                                                                                                    
deposit_amount=200.0 # dollars                                                                                                                                                         
target=1000000 # dollars                                                                                                                                                               
current=100000 # dollars                                                                               

shanemhansen

#include <emacs-module.h>
// this is all boilerplate to deal with the fact that C function pointers aren't callable in go

typedef emacs_value (*internFunc) (emacs_env *env, const char *symbol_name);
typedef emacs_env *(*getEnvFunc) (struct emacs_runtime *ert);
typedef emacs_value (*makeFuncFunc) (emacs_env *env,
				ptrdiff_t min_arity,
				ptrdiff_t max_arity,
				emacs_value (*function) (emacs_env *env,
							 ptrdiff_t nargs,

shanemhansen

#include <iostream>
#include <fstream>
#include "concurrentqueue/blockingconcurrentqueue.h"
#include "glob.h"
#include <boost/iostreams/filtering_stream.hpp>
#include <boost/iostreams/copy.hpp>
#include <boost/iostreams/filter/zlib.hpp>

using namespace std;
void runQuery1(const string&);

shanemhansen

#!/bin/bash

PKG="$1"
BIN="$2"
shift;shift

go install "$BIN"

$GOPATH/bin/$(basename $BIN) $@ &
while true; do