wangyung

Tips of using extra in build.gradle.kts

we can use extra.apply to set bunch of properties rather than using many by extra. For example,

// in top of build.gradle.kts
extra.apply {
    set("openApiVersion", "123")
 set("ktorVersion", "3.0")

wangyung

/**
 * Exports file to the given target folder on Android.
 *
 * ref: https://stackoverflow.com/questions/75055593/access-images-in-external-storage-created-by-my-app
 */
@Throws(IOException::class)
suspend fun exportImage(
    contentResolver: ContentResolver,
    file: File,
    targetFolder: String,

wangyung

$remoteport = bash.exe -c "ifconfig eth0 | grep 'inet '"
$found = $remoteport -match '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';

if( $found ){
  $remoteport = $matches[0];
} else{
  echo "The Script Exited, the ip address of WSL 2 cannot be found";
  exit;
}

wangyung

Find jpg files and calculate the total size

• find [Folder] -name "*.jpg" -exec du -ch {} +

Find png files and excludes some folders

• find [Folder] -name "*.png" | grep -v build (Slow)

Find png files and run commands (convert to webp)

• find [Folder] -name "*.png" | xargs -I {} cwebp -lossless {} -o {}.webp

wangyung

fun countingLambda(): () -> Int {
    var counter = 0
    val incrementalCounter: () -> Int = {
        counter += 1
        counter
    }
    return incrementalCounter
}

// decompiled java

wangyung

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32]
@=""

wangyung

# For 32G+ memory and JDK11+
-Xss2m
-Xms1g
-Xmx8g
-XX:PermSize=512m
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=256m

wangyung

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations]
".tif"="PhotoViewer.FileAssoc.Tiff"
".tiff"="PhotoViewer.FileAssoc.Tiff"
".gif"="PhotoViewer.FileAssoc.Tiff"
".jpg"="PhotoViewer.FileAssoc.Tiff"
".jpeg"="PhotoViewer.FileAssoc.Tiff"
".webp"="PhotoViewer.FileAssoc.Tiff"
".png"="PhotoViewer.FileAssoc.Tiff"

wangyung

#!/bin/bash

INDEX=1

for file in `ls | sort -g`
do
    filename=$(basename "$file")
    extension=${filename##*.}
    filename=$(printf "%03d\n" $INDEX)
    mv "$file" "$filename.$extension"

wangyung

/* open up chrome dev tools (Menu > More tools > Developer tools)
 * go to network tab, refresh the page, wait for images to load (on some sites you may have to scroll down to the images for them to start loading)
 * right click/ctrl click on any entry in the network log, select Copy > Copy All as HAR
 * open up JS console and enter: var har = [paste]
 * (pasting could take a while if there's a lot of requests)
 * paste the following JS code into the console
 * copy the output, paste into a text file
 * open up a terminal in same directory as text file, then: wget -i [that file]
 */