ch8n

def trans(m):
    numRows = len(m)
    numCols = len(m[0])
    tMatrix = [[0 for x in range(numRows)] for y in range(numCols)]
    for i in range(0,numCols):
        for j in range(0,numRows):
            tMatrix[i][j] = m[j][i]
    return tMatrix

print(trans([[1,3,5],[2,4,6]]))

ch8n

.       - Any Character Except New Line
\d      - Digit (0-9)
\D      - Not a Digit (0-9)
\w      - Word Character (a-z, A-Z, 0-9, _)
\W      - Not a Word Character
\s      - Whitespace (space, tab, newline)
\S      - Not Whitespace (space, tab, newline)

\b      - Word Boundary

ch8n

<androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/bottom_sheet"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:behavior_hideable="true"
    app:behavior_peekHeight="0dp"
    app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior"

ch8n

package ch8n.project.magniffect.main.home

import android.app.Activity
import android.content.Context
import android.content.Intent
import android.graphics.Bitmap
import android.graphics.PixelFormat
import android.hardware.display.DisplayManager
import android.hardware.display.VirtualDisplay
import android.media.ImageReader

ch8n

 
<!--In style.xml -->
<style name="CustomDialog" parent="Theme.AppCompat.Light.Dialog.Alert">
        <item name="colorAccent">@color/accent_color</item>
        <item name="android:windowMinWidthMajor">@dimen/dialog_min_width_major</item>
        <item name="android:windowMinWidthMinor">@dimen/dialog_min_width_minor</item>
        <item name="android:windowBackground">@color/transparent</item>
 </style>

<!--In dimesn.xml -->

ch8n

class Single private constructor(){
  companion object{
    @Volatile private var instance: Single? = null
    
    fun getInstance() = instance?: synchronized(lock=this){
      instance?: Single().also{
        instance = it
      }
    }
  }

ch8n

if(Date().after(date)){
  TODO("Has to complted before : $date")
}

ch8n

fun SAFE_TODO(reason:String){
  if (BuildConfig.DEBUG) {
    TODO(reason)
  }else{
    Toast.makeText(context,"NOT_IMPLEMENYTED:$reason",Toast.LENGTH_SHORT).show()
  }
}

ch8n

onClick(view:view) = when(view.id){
    R.id.button_action1->actionOneClicked()
    R.id.button_action2->actionTwoClicked()
    R.id.button_action3->TODO("action 3 is work in progress!")
}

ch8n

{ "compilerOptions": {
/* Basic Options */
"target": "es2017", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [],                             /* Specify library files to be included in the compilation. */
// "allowJs": true,                       /* Allow javascript files to be compiled. */
// "checkJs": true,                       /* Report errors in .js files. */
// "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
// "declaration": true,                   /* Generates corresponding '.d.ts' file. */
// "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */