christianb

// A problem like destructuring declarations
// by Maria Neumayer
// https://medium.com/a-problem-like-maria/a-problem-like-destructuring-declarations-95f10375ea8a

data class Song(
  val artist: String,
  // val album: String, // once this line gets uncommented
  val name: String
)

christianb

open class BaseRecyclerViewHolder(@LayoutRes layoutRes: Int, viewGroup: ViewGroup) : RecyclerView.ViewHolder(inflate(layoutRes, viewGroup)) { // Use the private companion function inflate() for getting a view instance.
	companion object {
		fun inflate(@LayoutRes layoutRes: Int, viewGroup: ViewGroup): View {
			return LayoutInflater.from(viewGroup.context).inflate(layoutRes, viewGroup, false)
		}
	}
}

christianb

// Something you don't know about Android's LayoutInflater
// by Abhishek Jangra
// https://medium.com/@iabhishek1041/something-you-dont-know-about-android-layoutinflater-6de7709289ac

val inflater: LayoutInflater = LayoutInflater.from(this)

// When attachToRoot is true, the generated view from the a_view XML will automatically attached to the rootView,
// but it will not return the inflated view but the rootView itself.
val rootViewReference = inflater.inflate(R.layout.a_view, rootView, attachToRoot = true)

christianb

# call system commands from python
import subprocess
s = "some test"
subprocess.call(["shutdown", "-s", "-t", "10", "-c", s])

christianb

# shows the apk's certificate
keytool -list -printcert -jarfile <apk>

# shows the keystore details
keytool -list -v -keystore release.jks

christianb

# !/bin/sh
# Easy checkout of branch using grep.
#
# example:  chkBranch 1789
# or:       chkBranch ZAC-4

git pull

    count=`git branch | grep -c $1`

christianb

#!/bin/bash
#
# Shows all remote branches and their age.
#
# Passing -n <name_of_commiter> shows only the branches last touched by that person.
# Passing -b <branch> shows only branches of that type (release, feature, experimental, etc)
# Passing -t <time> (day, week, month, year)
#
# Arguments can be combined.