SOISOS

How to set up multiple ssh keys (accounts) in multiple workspaces

By sunny.bak February 7, 2024SOFTWARE

https://blog.gitguardian.com/8-easy-steps-to-set-up-multiple-git-accounts/ Create ssh keys using key-gen (id_personal, id_prof) Add keys using ssh-agent Create config file in ~/.ssh/config # ~/ssh/config Host * AddKeysToAgent yes UseKeychain yes IdentityFile ~/.ssh/<personal_key> Host * AddKeysToAgent…

Useful R codes

By sunny.bak February 6, 2024R, STATISTICS

How to get min and max value and the associated year that min and max values occurred previous <- dfile %>%filter(YearLabel == "Previous") %>%group_by(MonthName) %>%summarize(min_extent = min(extent_mil),max_extent = max(extent_mil),year_min =…

Creating htmlwidget in RStudio

By sunny.bak February 6, 2024R, SOFTWARE

To set up required packages to create htmlwidget install.packages("htmlwidgets") install.packages("devtools") Scaffolding will provide a template (basic structure) for a widget development library(devtools) create("my_widget") htmlwidgets::scaffoldWidget("my_widget") document() # Update documentation build() #…

How to access metadata using NetCDF4 python package

By sunny.bak February 1, 2024Python, SOFTWARE

import netCDF4 as ncfn = '/path/to/file.nc4'ds = nc.Dataset(fn) # import Dataset from netCDF4 from netCDF4 import Dataset # open nc file and save to nc ds = Dataset('myfile.nc') # print…

Metadata guideline for crs in netcdf files

By sunny.bak January 31, 2024Python

source: https://cfconventions.org/Data/cf-conventions/cf-conventions-1.7/build/ch05s06.html https://wiki.esipfed.org/Attribute_Convention_for_Data_Discovery_1-3 In this article, we will summarize few useful metadata standards (CF and ACDD) to describe coordinate reference systems and mapping for netcdf files. Additionally, few examples with…

Defensive programming Error Handling in R

By sunny.bak December 5, 2023SOFTWARE, STATISTICS

"Fail fast!" principles to inform users early with information to debug. Be strict about what you accept. Check the input variable type and use stopifnot() or if and stop() Avoid…

R data wrangling

By sunny.bak November 16, 2023SOFTWARE, STATISTICS

This code snippet has nice examples of data wrangling From https://www.jumpingrivers.com/blog/r-d3-intro-r2d3/ scoobydoo = tuesdata$scoobydoo # wrangling data into nice shape monsters_caught = scoobydoo %>% select(date_aired, starts_with("caught")) %>% mutate(across(starts_with("caught"), ~ as.logical(.)))…

How to handle conflicts in github

By sunny.bak August 16, 2023RANDOM

This happens a lot. I will try to write out scenarios I've dealt with.. Here are ways to deal with conflicts Decide to delete the file of conflict from Main…

How to work with a new github branch

By sunny.bak August 16, 2023SOFTWARE

Once you were able to properly authenticate and clone (download) a repository you have a read/write access to, it's time to create a new branch. Why create a branch? it's…

How to create one ssh key for all github repos

By sunny.bak August 15, 2023RANDOM

There are few ways to manage private and public keys for github repositories. When a user has multiple github accounts/repositories using multiple personal and work computers, it's easier to create…

Ways to download ERDDAP Data using python

By sunny.bak June 26, 2023SOFTWARE

ctx = ssl.create_default_context() ctx.check_hostname = False ctx.verify_mode = ssl.CERT_NONE url = 'https://oceanwatch.pifsc.noaa.gov/erddap/griddap/sw_chla_monthly_2018_0.nc?chlor_a[(1997-10-16T12:00:00Z):1:(2010-10-16T12:00:00Z)][(25):10:(15)][(198):10:(208)]' file_name = "sw.nc" with urllib.request.urlopen(url, context=ctx) as u, \ open(file_name, 'wb') as f: f.write(u.read()) print('complete') source: https://github.com/CoastWatch-WestCoast/python_code/blob/satellite_course_jan_2022/compare_satellite_timeseries.ipynb def…