christianb

When you can't checkout a remote branch with Git and getting this error:
“unable to resolve reference” you should do the following: 

Try cleaning-up your local repository with:

$ git gc --prune=now
$ git remote prune origin

See: https://stackoverflow.com/questions/2998832/git-pull-fails-unable-to-resolve-reference-unable-to-update-local-ref

christianb

# build with docker compose
docker-compose build

# run with docker-compose and open bash
docker-compose run --rm <image> /bin/bash

# Stop all Docker containers
docker stop $(docker ps -a -q)

christianb

every { handler.removeCallbacks(any()) } returns Unit

every { handler.postDelayed(any(), any()) } answers {
	// capture runnable
	(this.args[0] as Runnable).run()
	true
}

christianb

git log --pretty=oneline tagA..tagB

# or
git lg 1.2.7..master

christianb

class foo {
  fun bar(list: List<Any>)
}

// verifies the list is empty when passed to bar()
verify { foo.bar(match { it.isEmpty() }) }

christianb

/**
 * Finds the generic type T in List.
 *
 * @return first item that is instance of T or null.
 */
inline fun <reified T> List<Any>.findType(): T? {
	return find { it is T } as? T
}

christianb

// Looking at vals, delegated properties are not immutable. Remember, val does not imply anything with regards to mutability
// it merely says that the variable/property is read-only
private val aBeautifulNumber: Double
  get() = Math.random()

christianb

val matrix = Matrix()
val srcIndex = 0
val dstIndex = 0
val pointCount = 4 // or any other number of points you wanna transform

/**
 * Set the matrix such that the specified src points would map to the specified dst points. The
 * "points" are represented as an array of floats, order [x0, y0, x1, y1, ...], where each
 * "point" is 2 float values.
 */

christianb

apply plugin: 'com.android.application'
apply plugin: 'android-apt'

android {
    compileSdkVersion versions.compileSdk
    buildToolsVersion versions.buildTools

    defaultConfig {
        applicationId "samples.linhtruong.com.ui_reactive_rxjava_realm"
        minSdkVersion versions.minSdk

christianb

// Understanding Handler and Looper in Android
// by Rahul Rastogi
// https://medium.com/@rastogi.tech/understanding-handler-and-looper-in-android-c6fa673c6822

var handler: Handler? = null

Thread {
  Looper.prepare() // Creating a Looper for this thread.

  // Creating a Handler for given Looper object.