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coopernurse / howto
Last active August 29, 2015 13:57
the world's dumbest Haskell json-rpc example
cabal install scotty
cabal install aeson
runhaskell server.hs
curl -X POST -d '{"jsonrpc":"2.0", "method":"Calc.Add", "params":[10,50], "id":"abc"}' http://localhost:3000/api
@coopernurse
coopernurse / gist:f96da8ccb3e72f695ff6
Created June 1, 2014 18:51
cabal-install ./boostrap.sh output
Jamess-MacBook-Pro:cabal-install james$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.6.3
Jamess-MacBook-Pro:cabal-install james$ cabal --version
cabal-install version 1.16.0.2
using version 1.16.0 of the Cabal library
Jamess-MacBook-Pro:cabal-install james$ ./bootstrap.sh
Using gcc for C compiler. If this is not what you want, set CC.
Using /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld instead.
Checking installed packages for ghc-7.6.3...
deepseq is already installed and the version is ok.
@coopernurse
coopernurse / gist:7ca4bfbcd1cb3a6a4d94
Created September 1, 2014 17:36
rand dingle
package dingle;
@RunWith(Theories.class)
public class DingleTest {
@DataPoints
public static DbDingle[] randDingles() {
long now = System.currentTimeMillis();
RandGenerator rand = new RandGenerator();
return rand.randDingles(100).toArray(new DbDingle[100]);
@coopernurse
coopernurse / gist:ccafb354b78bca1e0430
Created October 21, 2014 20:43
<!doctype html>
<head>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="mithril.js"></script>
<link rel="stylesheet" href="bootstrap.min.css">
<script type="text/javascript" src="bootstrap.min.js" charset="utf-8"></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<div id="main"></div>
@coopernurse
coopernurse / gist:4dbd1a621f913b433476
Created October 31, 2014 14:54
iris stack dump during cluster hang
INFO[10-31|14:51:31] reporting seed list subsys=bootstrap ipnet=172.17.42.1/16 algo=coreos seeds=[]
INFO[10-31|14:51:32] reporting seed list subsys=bootstrap ipnet=172.31.32.153/20 algo=coreos seeds="[172.31.32.153 172.31.32.152 172.31.32.151]"
INFO[10-31|14:51:32] reporting seed list subsys=bootstrap ipnet=172.17.42.1/16 algo=coreos seeds=[]
SIGQUIT: quit
PC=0x430b71
goroutine 22 [syscall, 3 minutes]:
runtime.notetsleepg(0x987a20, 0xffffffffffffffff)
/usr/local/go/src/pkg/runtime/lock_futex.c:198 +0x46 fp=0x7f6867fa1f40 sp=0x7f6867fa1f10
runtime.signal_recv(0x0)
@coopernurse
coopernurse / gist:c65d7d819e22fc1370b8
Created November 6, 2014 19:15
as-> macro example
(defn call-count-by-time-from-file
[fname]
(as-> fname $
;; read timings from file and split by regex
(timings-from-file $)
;; group timings based on the URL or RPC call string
(group-by #(nth % 2) $)
;; create a vector with field order: call string, vector of timings (parsed as ints)
(map vector (keys $) (map #(map (fn [x] (. Integer parseInt (second x))) %) (vals $)))
;; convert each vector element into four fields: call string, total calls, total time, avg time
@coopernurse
coopernurse / gist:b47b0807ebedd8078ad6
Created November 26, 2014 00:01
Wilson Ferguson PDF links
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370490/grand-jury-volume-1.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370491/grand-jury-volume-2.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370492/grand-jury-volume-3.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370493/grand-jury-volume-4.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370494/grand-jury-volume-5.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370495/grand-jury-volume-6.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370496/grand-jury-volume-7.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370497/grand-jury-volume-8.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370498/grand-jury-volume-9.pdf
https://s3.amazonaws.com/s3.documentcloud.org/documents/1370499/grand-jury-volume-10.pdf
@coopernurse
coopernurse / DNSimpleTest.java
Created January 6, 2015 19:16
DNSimple Java SSL handshake repro
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class DNSimpleTest {
public static final void main(String argv[]) throws Exception {
System.setProperty("javax.net.debug", "all");
@coopernurse
coopernurse / gist:b85b11114224302bf9ad
Last active August 29, 2015 14:17
#!/bin/bash
cd /usr/local
curl -LO 'http://download.oracle.com/otn-pub/java/jdk/8u40-b25/jdk-8u40-linux-x64.rpm' -H 'Cookie: oraclelicense=accept-securebackup-cookie'
alternatives --remove java /usr/java/jdk1.7.0_71/jre/bin/java
rpm -qa | grep jdk | xargs -l rpm -e
rpm -i jdk-8u40-linux-x64.rpm
rm -f *.rpm
java -version
@coopernurse
coopernurse / gist:27032ad6df95ab1c1c98
Created March 17, 2015 19:54
openresty - prototype 'dynamic backend' config
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;