| package pl.info.czerwinski.geom | |
| class SquareMatrix(val size: Int, private val elements: (Int, Int) -> Float) { | |
| operator fun get(row: Int, col: Int): Float { | |
| require(row in 0..size - 1) { "Row ${row} out of bounds: 0..${size - 1}" } | |
| require(col in 0..size - 1) { "Column ${col} out of bounds: 0..${size - 1}" } | |
| return elements(row, col) | |
| } |
| package pl.info.czerwinski | |
| enum class MaterialColor(val tones: Map<Int, Int> = emptyMap(), val accentTones: Map<Int, Int> = emptyMap(), val singleColor: Int? = null) { | |
| RED( | |
| tones = mapOf( | |
| 50 to 0xFFEBEE, | |
| 100 to 0xFFCDD2, | |
| 200 to 0xEF9A9A, | |
| 300 to 0xE57373, | |
| 400 to 0xEF5350, |
| import java.security.SecureRandom | |
| import java.security.cert.X509Certificate | |
| import javax.net.ssl.* | |
| object SSL { | |
| fun trustAll() { | |
| val sslContext = SSLContext.getInstance("SSL") | |
| sslContext.init(null, arrayOf(TrustAll), SecureRandom()) | |
| HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.socketFactory) |
| import android.app.Activity | |
| import android.support.test.espresso.intent.rule.IntentsTestRule | |
| import android.support.test.rule.ActivityTestRule | |
| inline fun <reified T : Activity> activityTestRule(initialTouchMode: Boolean = false, launchActivity: Boolean = true) = | |
| ActivityTestRule(T::class.java, initialTouchMode, launchActivity) | |
| inline fun <reified T : Activity> intentsTestRule(initialTouchMode: Boolean = false, launchActivity: Boolean = true) = | |
| IntentsTestRule(T::class.java, initialTouchMode, launchActivity) |
| import android.view.View | |
| import org.hamcrest.Description | |
| import org.hamcrest.Matcher | |
| import org.hamcrest.TypeSafeMatcher | |
| inline fun <reified T : View> withType(): Matcher<View> = object : TypeSafeMatcher<View>() { | |
| override fun describeTo(description: Description?) { | |
| description?.appendText("with type: ${T::class.java.name}") | |
| } |
| class WeakReferenceProperty<T>(private val creator: () -> T) { | |
| private var value: WeakReference<T> = | |
| WeakReference(creator()) | |
| operator fun getValue(thisRef: Any?, property: KProperty<*>): T = | |
| value.get() ?: creator().also { value = WeakReference(it) } | |
| } | |
| private fun <T> weak(creator: () -> T) = |
| import org.junit.Test | |
| class NotNullAssertionOperator { | |
| @Test | |
| @Throws(Exception::class) | |
| fun exclamation() { | |
| fun square(x: Double?): Double = x!!.times(x) | |
| square(null) |
| import android.content.Context | |
| import androidx.annotation.StringRes | |
| import it.czerwinski.kotlin.util.Either | |
| import it.czerwinski.kotlin.util.Left | |
| import it.czerwinski.kotlin.util.Right | |
| import it.czerwinski.kotlin.util.merge | |
| typealias AndroidString = Either<Int, String> | |
| fun AndroidString(string: String): AndroidString = Right(string) |
Generate and publish key:
gpg --gen-key
gpg --list-keys --keyid-format 0xSHORT
gpg --list-secret-keys --keyid-format 0xSHORT
gpg --keyserver hkp://pool.sks-keyservers.net --send-keys [KEY_ID]
gpg --keyserver http://keyserver.ubuntu.com:11371/ --send-keys [KEY_ID]
Create and encrypt Secure Ring File:
| import androidx.lifecycle.LiveData | |
| import androidx.lifecycle.MediatorLiveData | |
| import androidx.lifecycle.Observer | |
| import kotlinx.coroutines.CoroutineScope | |
| import kotlinx.coroutines.Job | |
| import kotlinx.coroutines.delay | |
| import kotlinx.coroutines.launch | |
| import kotlin.coroutines.CoroutineContext | |
| import kotlin.coroutines.EmptyCoroutineContext |