Dell Inspiron 5488 黑苹果记录
步骤下载MacOS系统镜像分离线安装包和在线安装包，Windows下只能制作在线安装包。系统镜像烧入U盘U盘必须是GUID格式，分EFI(FT32)和系统(HSF+)两个区，EFI放OC按官方的方法进OC后找不到安装盘，用其它工具也是，找到的解决办法是用用DD拷入U盘（Windows下DD写入dmg原版镜像到指定分区并建立引导）在线安装要装好WIFI驱动AirportItlwm.kextTr...
C# DLL包装类
DLLWrapperusing System;
using System.Runtime.InteropServices;
namespace Myapp
{
public class DLLWrapper
{
///<summary>
/// API LoadLibrary
///</summary>...
PL/pgSQL简单上手
前言PL/pgSQL是Postgres的sql实现，借鉴了PL/SQL，后者是Oracle的sql实现语法[ <<label>> ]
[ DECLARE
declarations ]
BEGIN
statements
END [ label ];例：CREATE FUNCTION somefunc() RETURNS integer AS $$
<...
Nginx 负载均衡配置
总览在同一个upstream上配置多个server地址，配置权重等upstream test {
server localhost:1000 weight=2;
server localhost:1001 weight=1;
}示例http {
include mime.types;
default_type application/octet-...
Nginx 一主机多网站布署
配置https转发localhost:80 => 433433下分流，跟据Server_name转发localhost:80 www.ppos.com ppos.comlocalhost:8080 blog.ppos.com#upstream weibo {
# server http://node-server:3001;
#}
upstream blog {
...