Homebrew is a great little package manager for OS X. If you haven't already, installing it is pretty easy:
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
AEKurt
/ Big O Summary For Java Collections
Created
June 20, 2017 20:36
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| List implementations: | |
| get add contains next remove(0) iterator.remove | |
| ArrayList O(1) O(1) O(n) O(1) O(n) O(n) | |
| LinkedList O(n) O(1) O(n) O(1) O(1) O(1) | |
| CopyOnWrite-ArrayList O(1) O(n) O(n) O(1) O(n) O(n) | |
| Set implementations: | |
| add contains next notes | |
| HashSet O(1) O(1) O(h/n) h is the table capacity | |
| LinkedHashSet O(1) O(1) O(1) |
AEKurt
/ Skyminer R Mongo
Created
April 24, 2017 19:22
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| library(RMongo) | |
| args<-commandArgs(TRUE) | |
| altman_value = args[1] | |
| company = args[2] | |
| mongo <- mongoDbConnect("skyminer", "localhost", 27017) | |
| output <- dbGetQuery(mongo, "skyminer", '{"verified" : "yes"}') | |
AEKurt
/ benchmark-commands.txt
Last active
March 22, 2017 18:16
— forked from jkreps/benchmark-commands.txt
Kafka Benchmark Commands
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| Producer | |
| Setup | |
| bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test-rep-one --partitions 6 --replication-factor 1 | |
| bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test --partitions 6 --replication-factor 3 | |
| Single thread, no replication | |
| bin/kafka-run-class.sh org.apache.kafka.tools.ProducerPerformance test7 50000000 100 -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 buffer.memory=67108864 batch.size=8196 |
AEKurt
/ installing_cassandra.md
Created
February 26, 2017 20:30
— forked from hkhamm/installing_cassandra.md
Installing Cassandra on Mac OS X