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defaults write com.apple.LaunchServices LSHandlers -array-add '{LSHandlerContentType=public.plain-text;LSHandlerRoleAll=com.sublimetext.4;}'

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Electron apps

• Marp: Markdown presentation ecosystem.

• muryoimpl/slippr: markdown presentation app by Electron

• joe-re/cafe-pitch Markdown-driven presentation tool built on Electron.

Slide deck frameworks supporting Markdown source

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public abstract class CustomizedTypeAdapterFactory<C>
        implements TypeAdapterFactory {
    private final Class<C> customizedClass;

    public CustomizedTypeAdapterFactory(Class<C> customizedClass) {
        this.customizedClass = customizedClass;
    }

    @SuppressWarnings("unchecked") // we use a runtime check to guarantee that 'C' and 'T' are equal
    public final <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {

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Prereq:

apt-get install zsh
apt-get install git-core

Getting zsh to work in ubuntu is weird, since sh does not understand the source command. So, you do this to install zsh

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

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Resolving Version Conflicts in Gradle

If one module has a dependency on version 1.1 of library X and another module on version 2.0 of the same library, gradle will use the latest version.

Failing a build on version conflict

To make gradle fail the build on encountering a conflict, we can do the following:

configurations.all {

resolutionStrategy {

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Gradle Dependency Resolution

Normal Gradle behavior

The default behavior of Gradle to pick the newest version also applies if a lower version has been declared locally, but another dependency transitively pulls in a newer version. This is in contrast with Maven, where a locally declared version will always win.

For example, if your build.gradle specifies the dependency org.springframework:spring-tx:3.2.3.RELEASE, and another dependency declares 4.0.5.RELEASE as a transitive dependency, then 4.0.5.RELEASE will take precedence:

dependencies {
    compile("org.springframework.data:spring-data-hadoop:2.0.0.RELEASE")
    compile("org.springframework:spring-tx:3.2.3.RELEASE")

// will select org.springframework:spring-tx:4.0.5.RELEASE

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#!/bin/sh

# License for any modification to the original (linked below):
# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# Sebastiano Poggi wrote this file. As long as you retain 
# this notice you can do whatever you want with this stuff. If we meet some day,
# and you think this stuff is worth it, you can buy us a beer in return.
#
# Based on http://bit.ly/295BHLx

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Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

All hex value from 100% to 0% alpha:

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// Make a custom Gson instance, with a custom TypeAdapter for each wrapper object.
// In this instance we only have RealmList<RealmInt> as a a wrapper for RealmList<Integer>
Type token = new TypeToken<RealmList<RealmInt>>(){}.getType();
Gson gson = new GsonBuilder()
        .setExclusionStrategies(new ExclusionStrategy() {
            @Override
            public boolean shouldSkipField(FieldAttributes f) {
                return f.getDeclaringClass().equals(RealmObject.class);
            }

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import android.animation.ValueAnimator;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.ImageView;

import java.lang.ref.SoftReference;

public class PhotographicPrintAnimator {