分类目录归档：未分类

WebView webView = (WebView) activity.findViewById(R.id.web1);
if (webView.getUrl() == null) {
    webView.getSettings().setJavaScriptEnabled(true);
    webView.getSettings().supportMultipleWindows();
    webView.setWebViewClient(new WebViewClient());
    webView.setWebChromeClient(new WebChromeClient());
    webView.loadUrl("http://www.baidu.com/");
}

Couldn’t load memtrack module (No such file or directory)

Only the original thread that created a view hierarchy can touch its views.

android.os.NetworkOnMainThreadException

在php中如何快速交换数组元素的值

最简单的办法：

list($source[2], $source[1]) = array($source[1], $source[2]);

本文出自 “凡星的技术博客” 博客，请务必保留此出处http://ustb80.blog.51cto.com/6139482/1030880

Increased maximum number of open files to 10032 (it was originally set to 1024).

redis崩溃

** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is ‘always’.

https://docs.mongodb.com/manual/tutorial/transparent-huge-pages/

** WARNING: Access control is not enabled for the database.

1. createUser

use admin
db.createUser(
  {
    user: "root",
    pwd: "xxxxxx",
    roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
  }
)

2. Enable Auth

postgres — PostgreSQL database server 安装和简单配置教程(centos7)

安装：

yum install postgresql-server

配置开机启动：

systemctl enable postgresql

初始化数据库：

postgresql-setup  initdb

创建和删除数据库：

[root@web4 ~]# su - postgres
Last login: Mon Mar 20 01:14:46 CST 2017 on pts/0
-bash-4.2$ 
-bash-4.2$ createdb xxxxx
-bash-4.2$ createdb mydb
-bash-4.2$ dropdb mydb

访问数据库：

psql xxxxx

杨龙

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