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Articles by James H Ho
YDot - A Short Reflection on my First Failed Startup
After my first year of college, I had the opportunity to intern at Form Energy, an energy storage startup developing new battery chemistries for grid scale energy storage. During my internship, I saw for the first time the challenges of developing hardware. The biggest hurdle was making sense of all the battery test data coming off of various machines. Engineers and scientists spent more time wrangling test data than making decisions.
Layer 2 and Ethereum: Which one is easier to make a profit from investing?
Author: James Ho, Source: Author Twitter @jamesjho_; Compiler: Tao Zhu, Golden Finance Layer 2 on Ethereum has made significant progress in the past few years. Today, ETH L2's TVL exceeds $40 billion, up from $10 billion a year ago. On @l2beat, you'll find a list of more than 50 L2s, although the top 5-10 L2s account for more than 90% of TVL. After EIP-4844, Txns fees are very cheap, with fees for Base, arbitrum, etc. below $0.01.
How Tomorrow’s Machines Will Be Built
How Tomorrow’s Machines Will Be Built Almost every physical object you interact with today began its life as a 3D model rendered on a computer. The class of programs engineers use to create these digital models is known as CAD, short for “computer aided design.” Hardware companies innovated slowly before CAD because designs were locked away on paper drawings. All the digital functions we take for granted today did not yet exist.
Ruthenium-based Metal-Organic Framework Catalyst for CO2 Fixation onto Epoxides
Ruthenium-based Metal-Organic Framework Catalyst for CO2 Fixation onto Epoxides James Ho, Makenzie T. Nord, Jared Stafford and Kyriakos Stylianou Abstract The formation of value-added cyclic carbonates by the cycloaddition of CO2 to various epoxides is investigated using a ruthenium-based metal-organic framework (Ru-HKUST-1).
Powerful SQL queries that you might not know
Some queries and techniques that could bring your SQL to another level When I graduated from the university, I felt really confident with SQL. How hard could it be? It’s just select and joins and group by. Window function is a bit difficult to understand at first but I thought that was the most challenging it could get. Little did I know there was a cruel world waiting for me.
Best in Class Treasury Solution in ASEAN Winner: Goodyear
Treasury Today uses cookies to give you the best possible browsing experience. This includes cookies from third parties, which will track your use of the Treasury Today website. If you wish to continue without changing your settings, we will assume you are happy to receive all cookies. Photo of James Ho, Regional Treasury Manager. James Ho Regional Treasury Manager Goodyear is one of the world’s largest tyre companies.
Best Liquidity Solution Winner: Goodyear
Listen to podcast The challenge For decades, Goodyear did not have an automated liquidity structure in place in Asia Pacific, Goodyear has been exploring a better way to get access to the excess cash spreading in 13 markets in Asia Pacific in an efficient way.
Data Scientist vs Data Analyst vs Data Engineer
Photo by Aubrey Odom on Unsplash Data is the new oil. Data scientist, the sexiest job of the 21st century. Without data analytics, companies are blind and deaf. …… Data science has become one of the hottest professions in recent years. High demand in the market, lucrative compensation, fat cheque, and sexy job title all make new graduates or ones who are looking for a career change keen to get into this area. However, the job titles and the work allocation in a data team could be confusing.
The Differences between Rebase and Merge
Git Question 101 It’s been long debated in the community that whether merge or rebase should we use. Some people would say merge is better cause it preserves the most complete working history. Others would argue rebase is neater, which makes the reviewer’s life easier and more efficient. This article will explain what are the differences between merge and rebase and what’s the benefits of using one of them.
Time Series Data Analysis - Resample
Photo by Jiyeon Park on Unsplash When it comes to time series analysis, resampling is a critical technique that allows you to flexibly define the resolution of the data you want. You can either increase the frequency like converting 5-minute data into 1-minute data (upsample, increase in data points), or you can do the other way around (downsample, decrease in data points).
Step by step tutorial of Sci-kit Learn Pipeline
Most of the data science projects (as keen as I am to say all of them) require a certain level of data cleaning and preprocessing to make the most of the machine learning models. Some common preprocessing or transformations are: a. Imputing missing values b. Removing outliers c. Normalising or standardising numerical features d.
How to Facilitate Your Pandas With SQL Query
Pandas is a powerful Python package to wrangle your data. However, have you ever encountered some tasks that just made you think ‘if only I could use SQL query!’? Well, you come to the right place. I personally found it particularly annoying when it comes to joining multiple tables and extracting only those columns you want in pandas. For example, you’d like to join 5 tables. You absolutely can do this with only one query in SQL.
Data Analysis - Time Series, Resample in Pandas
We’ll be only using pandas and NumPy. import pandas as pd import numpy as np Let’s generate some random data first. # Create a 2-month range datatime datetime = pd.date_range(start='01-01-2020',end='02-28-2020',freq='1min')# Generate a randome integer array between 0 and 100 as the value.
Transport promises for election 2019: the good, the bad and the downright ugly
Greg Moran, James Ho | 14 May 2019 EXPERT OBSERVER No matter who wins Saturday’s federal election, you can expect to see more cranes on the skyline and hi-viz vests on the roadside. Both major parties are promising to spend big on transport infrastructure: A$42 billion for the Coalition and A$49 billion for Labor. However, many of the favoured projects are unlikely to be completed for years or even decades to come. What’s being promised, and where?
Walters and Ho: Why Dallas has the right to block the Exxxotica expo from the convention center
When Mayor Mike Rawlings and the Dallas City Council first began debating whether to allow the Exxxotica convention to be held only on private property, rather than on city property at the Dallas Convention Center, they were repeatedly warned that doing so would inevitably violate the First Amendment. As lawyers who have litigated constitutional issues involving government regulations throughout our careers, we found these warnings peculiar, for two distinct reasons.
Availability of prescription zopiclone over the internet
The use of “Z drugs” has recently increased; in 2013-14 zopiclone was the sixth most common drug among enquiries to the UK National Poisons Information Service’s online database, TOXBASE.1 Weich and colleagues noted an increased risk of mortality with hypnotic drugs,2 amid increasing concern about non-medical misuse.3 4 Furthermore, people’s increasingly consumerist approach to healthcare provision provides new regulatory challenges.5 We recently managed a patient whose overdose of 100...
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