Prasanth Jayachandran prasanthj
prasanthj
/ gist:10cf6ebe17494061e64d
Last active
March 9, 2016 04:21
Print Top-N java methods from java flame graph
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| #!/usr/bin/python | |
| import sys,operator,getopt | |
| class bcolors: | |
| HEADER = '\033[95m' | |
| OKBLUE = '\033[94m' | |
| OKGREEN = '\033[92m' | |
| WARNING = '\033[93m' | |
| FAIL = '\033[91m' |
prasanthj
/ gist:af9e289fe4dedb06ab77
Created
September 30, 2015 21:43
Mac OS Terminal - Linux screen scrollback
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| After ssh into linux box from Mac OS X terminal. Add the following lines to .screenrc | |
| defscrollback 5000 | |
| termcapinfo xterm* ti@:te@ |
prasanthj
/ gist:081aa7a680ba1184dfe7
Created
September 10, 2015 20:39
Diff between directories with exclusion filter
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| diff -r -U3 -I "String to exclude" <directory-1> <directory-2> |
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| chrome.tabs.query({'active': true, 'lastFocusedWindow': true, 'currentWindow': true}, function (tabs) { | |
| var url = tabs[0].url; | |
| console.log(url); | |
| }); |
prasanthj
/ jquery-test-url-with-retry.js
Created
December 15, 2014 19:59
jQuery test liveness of URL
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| function testURL(url, retryInterval, maxRetryInterval) { | |
| $.ajax({ | |
| url: url, | |
| type: "GET", | |
| timeout: 2000, | |
| success: function(resp) { | |
| console.log(url + " is alive!") | |
| }, | |
| error: function(x, t, m) { | |
| if (t == 'timeout') { |
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| function notifyMe(url) { | |
| if (!Notification) { | |
| alert('Notifications are supported in modern versions of Chrome, Firefox, Opera and Firefox.'); | |
| return; | |
| } | |
| if (Notification.permission !== "granted") | |
| Notification.requestPermission(); | |
| var notification = new Notification('Site is up!', { |
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| <configuration> | |
| <!-- Metastore configs --> | |
| <property> | |
| <name>hive.metastore.warehouse.dir</name> | |
| <value>/apps/hive/warehouse</value> | |
| </property> | |
| <property> | |
| <name>hive.metastore.cache.pinobjtypes</name> | |
| <value>Table,Database,Type,FieldSchema,Order</value> | |
| </property> |
prasanthj
/ hadoop_tez_hive_bash_profile
Created
December 11, 2014 08:32
Hadoop, tez, hive .bash_profile
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| export HADOOP_PREFIX="/work/hadoop/current" | |
| export HADOOP_COMMON_HOME="/work/hadoop/current" | |
| export HADOOP_HDFS_HOME="/work/hadoop/current" | |
| export HADOOP_MAPRED_HOME="/work/hadoop/current" | |
| export HADOOP_YARN_HOME="/work/hadoop/current" | |
| export HADOOP_CONF_DIR="/work/hadoop/current-conf" | |
| export TEZ_VERSION=0.5.2 | |
| export TEZ_PREFIX=/work/tez/current | |
| export TEZ_DIST=$TEZ_PREFIX/tez-dist/target/tez-${TEZ_VERSION} |
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| #List all public DNS from command line | |
| ec2-describe-instances | cut -f 4 | grep ^ec2 |
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| *`which` in ruby* | |
| http://stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby | |
| def which(cmd) | |
| exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : [''] | |
| ENV['PATH'].split(File::PATH_SEPARATOR).each do |path| | |
| exts.each { |ext| | |
| exe = "#{path}/#{cmd}#{ext}" | |
| return exe if File.executable? exe | |
| } | |
| end |