Ivan Brusic brusic
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // define inside file timetest.m | |
| function blank = timetest(x, y, MAX_ITR) | |
| m = length(y); | |
| x = [ones(m, 1) x]; | |
| theta = zeros(size(x(1,:)))'; % initialize fitting parameters | |
| alpha = 0.07; | |
| for num_iterations = 1:MAX_ITR | |
| grad = (1/m).* x' * ((x * theta) - y); | |
| theta = theta - alpha .* grad; |
brusic
/ gist:1842773
Created
February 16, 2012 06:54
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // TEST DATA | |
| curl -XPUT http://localhost:9200/twitter/user/kimchy -d '{ | |
| "name" : "Shay Banon" | |
| }' | |
| curl -XPUT http://localhost:9200/twitter/tweet/1 -d '{ | |
| "user": "kimchy", | |
| "post_date": "2009-11-15T13:12:00", | |
| "message": "Trying out elasticsearch, so far so good?" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "query": { | |
| "match_all": {} | |
| }, | |
| "filter": { | |
| "term": { | |
| "model": "vw" | |
| } | |
| }, | |
| "facets": { |
brusic
/ Mapping with no explicit boost field
Created
February 16, 2014 00:38
Document boosting with Elasticsearch
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| curl -XPOST localhost:9200/boosts -d ' | |
| { | |
| "settings": { | |
| "number_of_shards": 1, | |
| "number_of_replicas": 0 | |
| }, | |
| "mappings": { | |
| "doc": { | |
| "properties": { | |
| "text": { |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package org.elasticsearch.index.similarity; | |
| import org.apache.lucene.search.similarities.DefaultSimilarity; | |
| import org.elasticsearch.common.logging.ESLogger; | |
| import org.elasticsearch.common.logging.Loggers; | |
| public class NormRemovalSimilarity extends DefaultSimilarity { | |
| private ESLogger logger; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| appender: | |
| socketA: | |
| type: org.apache.log4j.net.SocketAppender | |
| port: 9500 | |
| remoteHost: logstash-server | |
| socketB: | |
| type: org.apache.log4j.net.SocketAppender | |
| port: 9501 | |
| remoteHost: logstash-server |
brusic
/ sed with \n support
Created
September 30, 2014 21:12
Convert Elasticsearch search results to Elasticsearch bulk index format
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| sed -e 's/{"took":[0-9]*,"timed_out":false,"_shards":{"total":[0-9]*,"successful":[0-9]*,"failed":0},"hits":{"total":[0-9]*,"max_score":[0-9\.]*,"hits":\[\(.*\)\]}}$/\1/' -e 's/}},/}}\n/g' -e 's/{"_index"/{ "index":{"_index"/' -e 's/,"_score":[0-9\.]*, "_source" : /}}\n/g' |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| curl -XPUT localhost:9200/test -d '{ | |
| "settings": { | |
| "index": { | |
| "number_of_shards": 1, | |
| "number_of_replicas": 0 | |
| } | |
| }, | |
| "mappings": { | |
| "test" : { | |
| "properties" : { |
brusic
/ split_config.rb
Created
February 12, 2019 18:32
— forked from YurySolovyov/split_config.rb
Split Reentrant A/B Ext.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| rails_env = ENV['RAILS_ENV'] || ENV['RACK_ENV'] || 'development' | |
| Split.redis = YAML.load_file(Rails.root.join('config/split.yml')).fetch(rails_env) | |
| Split.configure do |config| | |
| adapter = Split::Persistence::RedisAdapter.with_config( | |
| lookup_by: :params_user_id, | |
| namespace: 'abtesting_participant_id', | |
| expire_seconds: 2_592_000, # 30 days | |
| ) |