Feb 17Make Tensorflow’s Object-Detection Validation a true Post-ProcessIn Tensorflow 2, Object Detection API separated Training and Validating into two different processes. Even more, they are supposed to run simultaneously, monitoring the same directory where Checkpoints are saved. …Tensor Flow5 min read
Published in CodeX·Jun 19, 2021Checking and Booking of Internet services. Automatically.Table of Contents -Motivation -Technique Design ---Checking for available slots ---Booking the slot automatically -Features -Limitations -Conclusion Motivation If living in Germany longer than a tourist stay, we will soon realize that we will need to visit a German agency, such as Bürgeramt (“Citizen Office”), for paperwork like Anmeldung (living place…Python5 min read
Oct 2, 2020Exploring Yelp Dataset with Neo4j — Part III: Louvain Community Detection AlgorithmTABLE OF CONTENTS -Introduction -(Parallel) Louvain algorithm -Experiment -Evaluation -Conclusion Also: - Exploring Yelp Dataset with Neo4j — Part I: From Raw data to Nodes and Relationships with Python - Exploring Yelp Dataset with Neo4j — Part II: PageRank 1. Introduction Paying attention, we will see that network is ubiquitous in our…Neo 4 J11 min read
Jun 29, 2020Microsoft SQL Server’s Graph — An attempt that fell short (for now)Disclaimer: The opinion in this article is mine alone, based on my limited exposure to SQL Server’s Graph. I am in no way an expert on SQL Server. I might be biased toward Neo4j. Introduction With the increasing use of Graph Database and the dominance of Neo4j in this niche market…Neo 4 J9 min read
Jun 13, 2020Exploring Yelp Dataset with Neo4j — Part II: PageRankAlso: - Exploring Yelp Dataset with Neo4j — Part I: From Raw data to Nodes and Relationships with Python - Exploring Yelp Dataset with Neo4j — Part III: Louvain Community Detection Algorithm Let’s first look at the schema. In Neo4j Browser, enter CALL db.schema.visualization():Neo 4 J6 min read
May 11, 2020Exploring Yelp Dataset with Neo4j — Part I: From Raw data to Nodes and Relationships with PythonTABLE OF CONTENTS Data Understanding Goals Data Preparation for Import Tool Ingestion automation from A-Z with Python Install Neo4j Database service with Neo4j Desktop Conclusion Appendix — Developing Environment Also: - Exploring Yelp Dataset with Neo4j — Part II: PageRank - Exploring Yelp Dataset with Neo4j — Part III: Louvain Community Detection…Yelp8 min read
Mar 18, 2020A glimpse of Graph Algorithms. What is practically possible?Making sense of Connected Data is increasingly crucial in today world. An typical example is Social Network, where millions of users are connected in different ways, e.g. a friendship, a like, a view, a comment. Another highly relevant usecase at present is how China consolidated a huge amount of diverse…Neo 4 J5 min read
Jan 26, 2020Hardening OpenVPN on WindowsDefault settings often work well in most cases. But knowing how to optimize the tool as well as its environment brings a stronger control over its operation, especially against corner cases which could backfire when least expected. This article is specifically based on my setup of OpenVPN. That said, it’s…Openvpn5 min read
Published in Analytics Vidhya·Dec 3, 2019Extract Excel data in parallelAlthough some people are not fond of Excel due to its limitations as well as undocumented restrictions, this program is not going anywhere. This is somewhat counter-intuitive when Big Data and AI are increasingly common. Nevertheless, in my line of work, sometimes I have to deal with complex Excel files…Python6 min read
Oct 27, 2019Create your own VPN from A-Z. Totally free. In 90 minutes.The article assumes some knowledge of network and VPN (Virtual Private Network) from readers. The benefits of VPN Pretend to be in another geographic location so that the websites treat you as if you were physically in that location. Example: Bypassing YouTube/Netflix’s geo-restricted access. Securely surf the Internet as if you were at home…Tech11 min read
