Tarang Shah t27

Robotics Grad Student at CMU

36 followers · 8 following

Carnegie Mellon University
Pittsburgh, PA, USA
https://tarangshah.com

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t27 / find-duplicates-query.sql

Last active July 2, 2019 11:29

Find rows in a table that have duplicate values for columns x,y,z,w. Also optionally aggregate another column.

	--Postgres
	--just find duplicates
	select col1,col2,col3,col4,col5,count() from my_table group by 1,2,3,4,5,6 HAVING count()>1

	-- find duplicates and aggregate Ids, so that you can save one and delete the rest ('id' is a column in the table)
	select col1,col2,col3,col4,col5,count(), string_agg(id::character varying, ';' order by sign_code) from my_table group by 1,2,3,4,5,6 HAVING count()>1

t27 / run-in-browser-console.js

Created June 8, 2019 09:14

Tensorboard JS command to open all image sections in image previews

	document.querySelectorAll('#center > div > tf-category-pane > button').forEach(e=>e.click())
	// just copy the above and run in browser console to open all the image previews in a Tensorboard.
	// Especially useful if youre logging image visualisations(for eg. detections in an object detector model)

t27 / .zprezto

Last active July 14, 2021 04:13

zprezto backup

	#
	# Sets Prezto options.
	#
	# Authors:
	# Sorin Ionescu <[email protected]>
	#

	#
	# General
	#

t27 / parse_tensorboard_eval_files.py

Created March 25, 2019 05:18

Parse the tensorboard files generated during evaluation for the TensorFlow object detection API

	from tensorboard.backend.event_processing import event_accumulator
	import json

	eval_log_file_path = "path/to/events.out.tfevents.1555555555.0.0.0.0"

	def modelEvalPathParser(path_to_eval_log):
	ea = event_accumulator.EventAccumulator(path_to_eval_log)
	ea.Reload()
	jsonresult = {}
	csvresult = "classname,ap\n"

t27 / visualise_tfrecord.ipynb

Last active November 18, 2020 07:36

Visualize a TFRecord for Tensorflow Object Detection Library

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t27 / cmd.sh

Created February 18, 2019 15:30

Command to rename files for windows friendly filenames

	# need to install `rename`
	find /path/to/directory -depth -exec rename 's/[<>:"\\\|?*]/_/g' {} +

t27 / setting-up-toco-on-mac.md

Created October 22, 2018 09:44

Setting up toco on a mac

Setting up TOCO on macOS

Steps

Install bazel

brew tap bazelbuild/tap
brew tap-pin bazelbuild/tap
brew install bazel

t27 / count-files-by-extension.sh

Created September 18, 2018 18:51

List the count of files in a folder by the extension

	#List files by extension
	# from https://unix.stackexchange.com/a/18508/
	#find <folder> -type f \| sed 's/.*\.//' \| sort \| uniq -c
	find DEU/ -type f \| sed 's/.*\.//' \| sort \| uniq -c

t27 / index.html

Last active August 24, 2018 05:10 — forked from d3noob/.block

Sankey from csv with d3.js

	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>SANKEY Experiment</title>
	<style>

	.node rect {
	cursor: move;
	fill-opacity: .9;
	shape-rendering: crispEdges;
	}

t27 / parallel_python.py

Last active April 21, 2020 12:45

Script to show sample code(boilerplate) for concurrent execution using concurrent.futures.ThreadPoolExecutor in python 3 (mainly IO operations like network calls, ie. HTTP etc)

	import time


	from concurrent.futures import ThreadPoolExecutor, as_completed
	Thread_pool = ThreadPoolExecutor(6) # can change 6 to any number

	def sample_sum_func(arg1,arg2):
	print("start",arg1,arg2)
	time.sleep(2)
	print("end",arg1,arg2)

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