sheki’s gists

sheki / n_arry_tree.py

Created December 22, 2011 17:25

	def max_depth(map, depth=0):
	"""return's the max depth of a n-arry tree"""
	if isinstance(map, dict):
	depth += 1
	val = 0
	for x in map.itervalues():
	val = max(val, max_depth(x, depth))
	return val
	else:
	return depth

sheki / Hamming.scala

Created January 24, 2012 17:43

Solution to http://puzzles.sheki.in/puzzle/hamming_numbers/

	def merge(as: Stream[Int], bs: Stream[Int], cs: Stream[Int]): Stream[Int] = {
	val h = as.head min bs.head min cs.head
	Stream.cons(
	h,
	merge(as dropWhile {_ == h}, bs dropWhile {_ == h}, cs dropWhile {_ == h})
	)
	}

	This function produces a stream containing a constant times each value from another:

sheki / Config.scala

Created January 27, 2012 20:30

First Cut of a config tool in Scala

	class Config(private val envConf: Map[String, _],private val defaultConf: Map[String, _], environment: String) {

	def findInteger(key : String ) : Option[Int] = find[Int](key)

	def findString(key : String ) : Option[String] = find[String](key)

	private def find[T](key : String ) : Option[T] = {
	val keyList = key.split("\\.").toList
	lookInMap[T](keyList,envConf) match {
	case None => lookInMap(keyList,defaultConf)

sheki / abc.scala

Created February 10, 2012 06:29

	func() = {
	var dataList = List[Array[Byte]]()
	breakable {
	for (i <- 0 until noItems) {
	val response: GetResponse = channel.basicGet(queueName, true)
	if (response != null) {
	dataList = response.getBody :: dataList
	}
	else {
	break()

sheki / QueueMetaCache.scala

Created February 24, 2012 15:32

What is the compile error here?

	import java.util.concurrent.TimeUnit
	import com.google.common.cache.{LoadingCache, CacheLoader, CacheBuilder}

	/**
	* using google guave instead of building our own like in the previous case.
	*/
	class QueueMetaCache extends ConfigSupport {

	private val queueRefreshCache :LoadingCache[String, Long]= CacheBuilder.newBuilder()
	.maximumSize(10000)

sheki / spring.log

Created February 28, 2012 19:28

Spring Error while configuring Codahale Metrics


	Caused by: org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 4 in XML document from class path resource [spring/codahale-metrics-context.xml] is invalid; nested exception is org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'beans'.
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:396)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
	at org.springframework.beans.factory.xml.DefaultBeanDefiniti

sheki / stack_trace

Created February 28, 2012 20:17

Using codahale metrics+spring. Using annotation throws this error

	com.yammer.metrics.spring.TimedMethodInterceptor.invoke(TimedMethodInterceptor.java:36)
	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
	$Proxy69.healthAsHTML(Unknown Source)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)
	com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
	com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)

sheki / HealthCheck.java

Created February 28, 2012 21:13

	import com.yammer.metrics.annotation.Timed;

	import javax.ws.rs.GET;
	import javax.ws.rs.Path;
	import javax.ws.rs.Produces;
	import javax.ws.rs.core.Response;

	@Path("/healthcheck")
	public interface HealthCheck
	{

sheki / gist:1949231

Created March 1, 2012 11:46

import time

sheki / Cassandra_irc_schema

Created April 24, 2012 06:24

Cassandra Schema discussion

	[11:11:57] <shekispeaks> are there any limits on the data size which can be stored against a super-column
	[11:15:01] <driftx> http://www.quora.com/Cassandra-database/Why-is-it-bad-to-use-supercolumns-in-Cassandra don't use supers
	[11:17:27] patricioe (~patricioe@99-28-161-222.lightspeed.miamfl.sbcglobal.net) joined the channel.
	[11:18:18] Torgan (~Torgan@vil31-1-78-245-104-71.fbx.proxad.net) left IRC. (Quit: This computer has gone to sleep)
	[11:18:51] mmalone (~mmalone@c-24-130-137-135.hsd1.ca.comcast.net) left IRC. (Read error: Connection reset by peer)
	[11:19:24] mmalone (~mmalone@c-24-130-137-135.hsd1.ca.comcast.net) joined the channel.
	[11:20:19] <nickmbailey> use composite columns instead: http://www.datastax.com/dev/blog/introduction-to-composite-columns-part-1
	[11:20:42] <shekispeaks> ha thanks
	[11:21:01] <nickmbailey> or just use regular columns
	[11:21:35] wlian (~wlian@c-76-126-197-65.hsd1.ca.comcast.net) left IRC. (Quit: wlian)

Abhishek Kona sheki