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Dan Tanner dtanner

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dtanner / convert.main.kts
Last active April 19, 2023 20:03
Kotlin script to generate GitHub Actions README documentation from Action inputs
View convert.main.kts
#!/usr/bin/env kotlin
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
import com.fasterxml.jackson.module.kotlin.KotlinModule
dtanner /
Created November 9, 2022 05:15
Date/Time Naming Conventions

date/time naming conventions

Type Description Recommended Suffix Sample Name Sample Printed Value
Instant A date-time without time-zone, fixed to UTC timestamp created_timestamp 1970-01-01T00:00:00Z
ZonedDateTime A date-time with time-zone specified date_time start_date_time 1970-01-01T00:00:00-06:00
LocalDate A date without time-zone date birth_date 2000-01-29
LocalTime A time without time-zone time start_time 08:34 AM
dtanner /
Last active September 15, 2023 16:33
kafka certificate options

Does this remind anyone else of the Emo Philips Northern Conservative Baptist Great Lakes Region Council of 1912 joke?

Format Base64 Encoded Java Client Compatible Kcat Compatible Benthos Compatible YAML Config Compatible
JKS File
PKCS12 File
PKCS8 PEM String
PKCS8 PEM Unencrypted File
PKCS1 Encrypted PEM File
PKCS8 Encrypted PEM File (MD5 DES-CBC)
dtanner / Arduino Debug Build
Created November 3, 2020 23:45
Log output of a working Arduino build with debug compile and upload flags
View Arduino Debug Build
/Applications/ -dump-prefs -logger=machine -hardware /Applications/ -hardware /Users/dan/Library/Arduino15/packages -tools /Applications/ -tools /Applications/ -tools /Users/dan/Library/Arduino15/packages -built-in-libraries /Applications/ -libraries /Users/dan/Documents/Arduino/libraries -fqbn=adafruit:nrf52:feather52832:softdevice=s132v6,debug=l0 -vid-pid=0000_0000 -ide-version=10813 -build-path /var/folders/sc/42wc3xvs0jj_vp49xs3rvd8d5hhbjh/T/arduino_build_612855 -warnings=none -build-cache /var/folders/sc/42wc3xvs0jj_vp49xs3rvd8d5hhbjh/T/arduino_cache_42512 -prefs=build.warn_data_percentage=75 -prefs=runtime
dtanner / worker.js
Last active December 18, 2020 15:03
MORC Trail Conditions Cloudflare Reformatter
View worker.js
The site has way too much crap that I don't care about.
I just want to quickly see what trails are open.
This is a cloudflare worker that hits the trails API and builds a concise HTML view of the conditions.
It could just be statically hosted javascript, but this was also an excuse to try out workers.
addEventListener("fetch", event => {
return event.respondWith(handleRequest())
from __future__ import print_function
from math import ceil, log
print("\n Welcome to Up-To-9-Cards Game!")
def get_cards():
valid_count = 0
View game-example.kt
import java.lang.Math.ceil
import java.lang.Math.pow
import kotlin.math.log2
fun main() {
println("\n Welcome to Up-To-9-Cards Game!")
View game-example.c
#include <stdio.h>
#include <math.h>
#include <string.h>
#define NUMCARDS 9
#define PRODUCTION 1 /** 0=debug-mode | 1=production mode **/
int getCards(int *);
void displayCards(int *, int);
int getSuit(int codedNumber);
dtanner / ratpack-config-usage.groovy
Created April 18, 2016 18:21
Example of bad vs good ratpack configuration usage
View ratpack-config-usage.groovy
// a config class with a default value
class LogConfig {
boolean logRequestBody = false
// in ratpack, the LogConfig is bound with a prefix of `/logging`
Ratpack.groovy {
bindings {
bindInstance(serverConfig.get('/logging', LogConfig))
dtanner / DateManipulation.groovy
Created April 12, 2016 22:41
Example showing some java.time date manipulation
View DateManipulation.groovy
import java.time.LocalDate
import java.time.temporal.TemporalAdjusters
LocalDate localDate =
println localDate // 2016-04-12
println localDate.plusMonths(1).withDayOfMonth(1) // 2016-05-01
println localDate.minusMonths(1).with(TemporalAdjusters.lastDayOfMonth()) // 2016-03-31