Manu Manjunath m-manu
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| null=None | |
| true=True | |
| false=False |
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| # zsh prompt: | |
| export PROMPT="%/ %% " | |
| # zsh styles: | |
| export CLICOLOR=1 | |
| export STYLE_COLOR_RED="\x1b[31;01m" | |
| export STYLE_COLOR_GREEN="\x1b[32;01m" | |
| export STYLE_COLOR_BLUE="\x1b[34;01m" | |
| export STYLE_UNDERLINE="\x1b[04;01m" | |
| export STYLE_BLINK="\x1b[05;01m" |
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| function hosts() { | |
| if [ $# -eq 0 ]; then | |
| hosts_file_num_lines=$(wc -l /etc/hosts | awk '{print $1}') | |
| marker_string_frequency=$(grep StevenBlack /etc/hosts | wc -l) | |
| if [ "$marker_string_frequency" -gt 1 ]; then | |
| echo -e $COLOR_GREEN"/etc/hosts file contains entries for AdBlock"$COLOR_RESET" (contains $hosts_file_num_lines lines)" | |
| else | |
| echo -e $COLOR_GREEN"/etc/hosts file is right now pristine"$COLOR_RESET" (contains $hosts_file_num_lines lines)" | |
| fi | |
| elif [ $# -eq 1 ]; then |
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| package manu.sandbox.demos.hadoop; | |
| import org.apache.hadoop.conf.Configuration; | |
| import org.apache.hadoop.fs.FileSystem; | |
| import org.apache.hadoop.fs.Path; | |
| import org.apache.hadoop.io.IntWritable; | |
| import org.apache.hadoop.io.LongWritable; | |
| import org.apache.hadoop.io.Text; | |
| import org.apache.hadoop.mapreduce.Job; | |
| import org.apache.hadoop.mapreduce.Mapper; |
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| class NetworkUtils { | |
| public static String getLocalIp() { | |
| try { | |
| Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); | |
| while (interfaces.hasMoreElements()) { | |
| NetworkInterface networkInterface = interfaces.nextElement(); | |
| if (networkInterface.isLoopback() || !networkInterface.isUp() || networkInterface.isVirtual() || networkInterface.isPointToPoint()) { | |
| continue; | |
| } | |
| Enumeration<InetAddress> addresses = networkInterface.getInetAddresses(); |
m-manu
/ CombinationGenerator.java
Last active
September 19, 2017 10:59
Helps you generate possible combinations of array of arrays in a thread-safe way. Use this only if you have duplicates. If your input collection contains unique collections, use Guava's `Sets.cartesianProduct` method.
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| package manu.sandbox.utils; | |
| import java.util.Deque; | |
| import java.util.LinkedList; | |
| /** | |
| * Helps you generate possible combinations of array of arrays in a thread-safe way | |
| */ | |
| public class CombinationGenerator<T> { | |
| private final Deque<T> buffer = new LinkedList<>(); |
m-manu
/ MathUtils.java
Last active
July 4, 2018 10:35
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| package manu.sandbox.utils; | |
| import java.math.BigDecimal; | |
| import java.math.BigInteger; | |
| import java.util.ArrayList; | |
| import java.util.HashMap; | |
| import java.util.List; | |
| import java.util.Map; | |
| import java.util.concurrent.*; |
m-manu
/ AverageCalculator.java
Created
January 21, 2017 14:27
Compute statistical averages (mean, median and mode) from a stream of numbers. Optimized for 'fetch'.
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| package manu.sandbox.utils; | |
| import java.util.*; | |
| public class AverageCalculator { | |
| private static class FrequencyComparator implements Comparator<Double> { | |
| private final Map<Double, Integer> histogram; |
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| package manu.sandbox.demos; | |
| import com.fasterxml.jackson.annotation.JsonValue; | |
| import com.google.common.collect.Sets; | |
| import java.util.HashMap; | |
| import java.util.Map; | |
| import java.util.Set; | |
| /** |
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| import org.apache.hadoop.conf.Configuration; | |
| import org.apache.hadoop.hbase.HBaseConfiguration; | |
| import org.apache.hadoop.hbase.KeyValue; | |
| import org.apache.hadoop.hbase.client.*; | |
| import org.apache.hadoop.hbase.ipc.HBaseRPC; | |
| import org.apache.hadoop.hbase.ipc.HMasterInterface; | |
| import org.apache.hadoop.hbase.ipc.RpcEngine; | |
| import org.apache.hadoop.hbase.util.Bytes; | |
| import java.io.IOException; |
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