kaiyangjia

public abstract class XSingleton<T> {

    private T mInstance;

    protected abstract T create();

    /**
     * is this object ready for work?
     * That means is this object has been init by JVM.
     * This method is design for The Double Checked Lock Broken

pyricau

import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.content.ContextWrapper;
import android.os.Bundle;
import android.os.Looper;
import android.os.MessageQueue;
import android.util.Log;
import android.view.View;
import android.view.ViewTreeObserver;

laispace

git config --global https.proxy http://127.0.0.1:1080

git config --global https.proxy https://127.0.0.1:1080

git config --global --unset http.proxy

git config --global --unset https.proxy


npm config delete proxy