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Ashwin Jayaprakash AshwinJay

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@mosheeshel
mosheeshel / DockerContainerRule.java
Created October 2, 2014 14:31
JUnit @rule for starting a docker container from within an Integration test
package rules;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.spotify.docker.client.DefaultDockerClient;
import com.spotify.docker.client.DockerClient;
import com.spotify.docker.client.DockerException;
import com.spotify.docker.client.messages.ContainerConfig;
import com.spotify.docker.client.messages.ContainerCreation;
import com.spotify.docker.client.messages.HostConfig;
@aslakhellesoy
aslakhellesoy / TypeTest.java
Last active August 29, 2015 14:05
package lambdas;
import sun.reflect.ConstantPool;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
public class TypeTest {
@FunctionalInterface
@mgreensmith
mgreensmith / Slack_solarized_themes
Last active May 28, 2026 12:52
Solarized themes for Slack
Solarized
#FDF6E3,#EEE8D5,#93A1A1,#FDF6E3,#EEE8D5,#657B83,#2AA198,#DC322F
Solarized Dark
#073642,#002B36,#B58900,#FDF6E3,#CB4B16,#FDF6E3,#2AA198,#DC322F
@jkreps
jkreps / benchmark-commands.txt
Last active March 21, 2026 02:56
Kafka Benchmark Commands
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.clients.tools.ProducerPerformance test7 50000000 100 -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 buffer.memory=67108864 batch.size=8196
@sghike
sghike / gc-opts
Created April 1, 2014 22:52
// JVM sizing options
-server -Xms40g -Xmx40g -XX:MaxDirectMemorySize=4096m -XX:PermSize=256m -XX:MaxPermSize=256m
// Young generation options
-XX:NewSize=6g -XX:MaxNewSize=6g -XX:+UseParNewGC -XX:MaxTenuringThreshold=2 -XX:SurvivorRatio=8 -XX:+UnlockDiagnosticVMOptions -XX:ParGCCardsPerStrideChunk=32768
// Old generation options
-XX:+UseConcMarkSweepGC -XX:CMSParallelRemarkEnabled -XX:+ParallelRefProcEnabled -XX:+CMSClassUnloadingEnabled -XX:CMSInitiatingOccupancyFraction=80 -XX:+UseCMSInitiatingOccupancyOnly
// Other options
-XX:+AlwaysPreTouch -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime -XX:-OmitStackTraceInFastThrow
@lelandbatey
lelandbatey / whiteboardCleaner.md
Last active June 3, 2026 23:24
Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

@debasishg
debasishg / gist:8172796
Last active July 5, 2026 16:33
A collection of links for streaming algorithms and data structures

General Background and Overview

  1. Probabilistic Data Structures for Web Analytics and Data Mining : A great overview of the space of probabilistic data structures and how they are used in approximation algorithm implementation.
  2. Models and Issues in Data Stream Systems
  3. Philippe Flajolet’s contribution to streaming algorithms : A presentation by Jérémie Lumbroso that visits some of the hostorical perspectives and how it all began with Flajolet
  4. Approximate Frequency Counts over Data Streams by Gurmeet Singh Manku & Rajeev Motwani : One of the early papers on the subject.
  5. [Methods for Finding Frequent Items in Data Streams](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.187.9800&rep=rep1&t
@nuxlli
nuxlli / unix_socket_request.sh
Last active January 25, 2024 04:37
Examples of http request in unix domain socket with shell, using socat, netcat or curl
#!/bin/bash
# References
# http://www.computerhope.com/unix/nc.htm#03
# https://github.com/daniloegea/netcat
# http://unix.stackexchange.com/questions/26715/how-can-i-communicate-with-a-unix-domain-socket-via-the-shell-on-debian-squeeze
# http://unix.stackexchange.com/questions/33924/write-inside-a-socket-open-by-another-process-in-linux/33982#33982
# http://www.linuxjournal.com/content/more-using-bashs-built-devtcp-file-tcpip
# http://www.dest-unreach.org/socat/
# http://stuff.mit.edu/afs/sipb/machine/penguin-lust/src/socat-1.7.1.2/EXAMPLES
@wishfoundry
wishfoundry / gist:7036457
Last active April 1, 2022 05:18
Set OSX default text editor to sublime text 3 instead of TextEdit
defaults write com.apple.LaunchServices LSHandlers -array-add '{LSHandlerContentType=public.plain-text;LSHandlerRoleAll=com.sublimetext.3;}'
@josiahcarlson
josiahcarlson / prefix_code.py
Created May 6, 2013 16:29
Encode/decode sequences of integers to offer the ability to easily compare encoded sequences of integers as though they were decoded (which can be used to implement array comparisons in a database that doesn't offer native arrays).
'''
prefix_code.py
Copyright 2012-2013 Josiah Carlson
Released under the GNU LGPL v 2.1 license
This module offers the ability to encode/decode a sequence of integers into
strings that can then be used to compare sequences of integers (or paths on
trees) quickly. This module was originally intended to be used in a case-
preserving index in a relational database (where 'Z' comes before 'a', as is