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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
shanemhansen / covid19-wfh.md
Last active March 13, 2020 10:18
Tips on WFH during COVID-19

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

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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")}();

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
shanemhansen / gist:cb9cbf657499e351615cb22a30765112
Created December 14, 2017 16:50
Comparisong of string=="" vs len(string) == 0
"".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
#!/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
shanemhansen / mymod.c
Last active May 2, 2017 21:26
Using go to write emacs plugins
#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,
#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&);
#!/bin/bash
PKG="$1"
BIN="$2"
shift;shift
go install "$BIN"
$GOPATH/bin/$(basename $BIN) $@ &
while true; do