btipling’s gists

btipling / gist:1813667

Created February 13, 2012 04:27

go not building on lucid links ubuntu 32bit

	home/vagrant/apps/go/src/pkg/runtime/zruntime_defs_linux_386.go:7: lock redeclared in this block
	previous declaration at /home/vagrant/apps/go/src/pkg/runtime/runtime_defs.go:9
	/home/vagrant/apps/go/src/pkg/runtime/zruntime_defs_linux_386.go:12: note redeclared in this block
	previous declaration at /home/vagrant/apps/go/src/pkg/runtime/runtime_defs.go:32
	/home/vagrant/apps/go/src/pkg/runtime/zruntime_defs_linux_386.go:17: _string redeclared in this block
	previous declaration at /home/vagrant/apps/go/src/pkg/runtime/runtime_defs.go:38
	/home/vagrant/apps/go/src/pkg/runtime/zruntime_defs_linux_386.go:22: iface redeclared in this block
	previous declaration at /home/vagrant/apps/go/src/pkg/runtime/runtime_defs.go:43
	/home/vagrant/apps/go/src/pkg/runtime/zruntime_defs_linux_386.go:27: eface redeclared in this block
	previous declaration at /home/vagrant/apps/go/src/pkg/runtime/runtime_defs.go:48

btipling / gist:2290092

Created April 3, 2012 07:20

	func matchesKeyId(pgpId string, key *packet.PublicKey) bool {
	buffer := bytes.NewBuffer(make([]byte, 8))
	for _, b := range key.Fingerprint[16:] {
	buffer.WriteString(strconv.FormatUint(uint64(b), 16))

	}
	log.Printf("pgpId: '%s' and buffer: '%s'\n", pgpId, strings.ToUpper(buffer.String()))
	log.Printf("pgpId == buffer: %s", pgpId == strings.ToUpper(buffer.String()))
	return pgpId == strings.ToUpper(buffer.String())
	}

btipling / latency.txt

Created May 31, 2012 13:39 — forked from jboner/latency.txt

Latency numbers every programmer should know

	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns
	Compress 1K bytes with Zippy 3,000 ns
	Send 2K bytes over 1 Gbps network 20,000 ns
	Read 1 MB sequentially from memory 250,000 ns
	Round trip within same datacenter 500,000 ns
	Disk seek 10,000,000 ns

btipling / gist:2866070

Created June 4, 2012 02:53

	val := 0
	var index int
	index = rand.Intn(NUM_SHARDS)
	//Trying to find a randomish greater than 0 value to decrement.
	for val == 0 {
	if index < (NUM_SHARDS - 1) {
	index++
	} else {
	index = 0
	}

btipling / unfucktenxer.js

Created June 14, 2012 06:13

Remove tenxer github hooks. They will not delete the hooks they add to your private repos even if you tell them to remove your github info. I had to remove 173 hooks added by tenxer.

	#!/usr/local/bin/node

	var https = require('https');

	var token, username;
	var tenxer = 'tenxer';
	var shitsFucked = 0;
	var shitsUnfucked = 0;
	var reposCount = 0;
	process.argv.forEach(function (arg) {

btipling / testHoisting.js

Created June 15, 2012 17:47

Test if nested functions are redeclared in nested function declarations.

	#!/usr/local/bin/node

	var declarations = [];
	var expressions = [];

	function testDeclared() {
	declarations.push(aDeclaredFunction);
	aDeclaredFunction();
	function aDeclaredFunction() {
	console.log("I do declare!");

btipling / gist:2963188

Created June 21, 2012 00:45

calling a handler for a form in Closure

	var f = goog.dom.getElementsByTagNameAndClass('form')[0];
	var listener = goog.events.getListeners(f, goog.events.EventType.SUBMIT,
	false)[0];
	listener.listener(new goog.events.Event());

btipling / gist:3523845

Created August 30, 2012 07:45

{"number": 10001, "prefix": "$"}

btipling / gist:3523908

Created August 30, 2012 07:56

{"html": "<h1>November 12th</h1><p>So cool</p>"}

btipling / gist:3872701

Created October 11, 2012 14:24

	function processData() {
	var topSentry = Number.POSITIVE_INFINITY,
	bottomSentry = Number.NEGATIVE_INFINITY,
	fakeInfinity = Number.MAX_VALUE,
	i, j, k, m, length,
	s, points, ps, x, y, axis, val, f, p, updated;
	updated = false;

	function updateAxis(axis, min, max) {
	if (min < axis.datamin && min != -fakeInfinity)

Bjorn btipling