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View lens.kt
data class Lens<S, A>(val get: (S) -> A, val set: (A, S) -> S)
fun <A, B, C> Lens<A, B>.compose(that: Lens<C, A>): Lens<C, B> =
Lens({ this.get(that.get(it)) }, { c, a -> that.set(this.set(c, that.get(a)), a) })
fun <A, B> Lens<A, B>.traverse(): Lens<List<A>, List<B>> =
Lens({ it.map { get(it) } }, { bs, aas -> bs.zip(aas).map { this.set(it.first, it.second) } })
object Play {
data class Point(val x: Double, val y: Double) {
View android_backup.sh
#!/bin/sh
set -e
appId=$1
dst=/sdcard/container-${appId}
tar=/sdcard/container-${appId}.tar.gz
backup_file=${appId}.ab
rm -f $backup_file
View mipmap-migrator.gradle
task migrateMipmap << {
fileTree('src').include('**/res/drawable*/ic_launcher.png').each { icon ->
final p = file(icon.parent.replaceAll("drawable", "mipmap"))
p.mkdirs()
final dest = new File(p, icon.name)
icon.renameTo(dest)
}
}
View RxMediaRecorder.java
import android.media.MediaRecorder;
import android.support.annotation.NonNull;
import com.f2prateek.rx.android.schedulers.AndroidSchedulers;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import rx.Observable;
import rx.subscriptions.Subscriptions;
public class RxMediaRecorder {
View RxMediaPlayer.java
/*
MIT License
Copyright (c) 2015 Adel Nizamutdinov
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
@adelnizamutdinov
adelnizamutdinov / EmptyRecyclerView.java
Created Nov 1, 2014
RecyclerView doesn't have an emptyView support, we gotta fix that
View EmptyRecyclerView.java
import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.view.View;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class EmptyRecyclerView extends RecyclerView {
@Nullable View emptyView;
@adelnizamutdinov
adelnizamutdinov / build.gradle
Created Oct 15, 2014
gradle script that sorts *@*dpi.png files into *dpi folders
View build.gradle
final tree = fileTree("./assets").include('**/*@*dpi.png')
String normalize(String src) {
return src.replaceAll(/ /, "_")
}
tree.each { f ->
final m = f.name =~ /(.*)@(.*dpi)\.png/
final name = m[0][1]
final density = m[0][2]
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