lotharschulz

#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

find . -maxdepth 2 -type d -name .git -execdir sh -c "pwd && git pull" \;

lotharschulz

#!/bin/bash
# http://redsymbol.net/articles/unofficial-bash-strict-mode/
set -euo pipefail
IFS=$'\n\t'

EXCLUDED_PACKAGES=("package1" "package2" "package3")

while [[ `brew list | wc -l` -ne 0 ]]; do
    for EACH in `brew list`; do
        if [[ ! " ${EXCLUDED_PACKAGES[@]} " =~ " ${EACH} " ]]; then

lotharschulz

apg -m 6 -x 20 -a0 -M NCLS -l -t -n 15

# -m [min_length] 
# -x [max_length] 
# -a0 [Random password generation with all characters] 
# -M NCLS: Use specific character sets: 
#   - N: Include numeric digits (0-9). 
#   - C: Include uppercase alphabetic characters (A-Z). 
#   - L: Include lowercase alphabetic characters (a-z).
#   - S: Special characters (!@#$%^&*() and others).

lotharschulz

Kotlin fibonacci script

A kotlin script producing a fibunacci range inspired by clovisai's contribution to kotlin discussion: Project Loom will make coroutines obsolete.

val fibonacci = sequence {
    yield(1)
    var cur = 1
    var next = 1
 while (true) {

lotharschulz

#run the code
./gradlew run

# output:
dotdotRange: a,b,c,d 
untilRange: a,b,c 
untilRange new 1.7.20: a,b,c 
rangeTo: a,b,c,d 
downTo: d,c,b,a 

lotharschulz

val A_UNTIL_D = ('a' until 'd')
// a,b,c

@OptIn(ExperimentalStdlibApi::class)
val A_NEW_UNTIL_D = ('a' ..< 'd')
// a,b,c

lotharschulz

..<

lotharschulz

tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
    kotlinOptions { languageVersion = "1.8" }
}

lotharschulz

// please see also the accompanying blog post
// https://www.lotharschulz.info/2021/10/14/how-to-create-a-react-frontend-to-debounce-text-input-persistence-in-firebase-firestore/
function Elements() {
  const defaultDelayInMillis = 5000; // default delay 5 seconds

  const [dbValue, setDBValue] = useState("");
  const [delayFieldDisabled, setdelayFieldDisabled] = useState(true)
  const [debounceDelay, setDebounceDelay] = useState(defaultDelayInMillis)

  const collectionLabel = "data";

lotharschulz

// please see also the accompanying blog post
// https://www.lotharschulz.info/2021/10/14/how-to-create-a-react-frontend-to-debounce-text-input-persistence-in-firebase-firestore/
const saveFieldValueDebounced = AwesomeDebouncePromise(
  saveFieldValue,
  debounceDelay,
  { key: fieldId => fieldId },
);

const saveFieldValue = (fieldId: number, fieldValue: string) => saveToDB(fieldValue);