http://www.phpandstuff.com/articles/geoip-country-lookup-with-php How to get the surfers country using PHP? Most coders need to tackle this problem sooner or later. There are several options out there. There is even a package called GeoIP Location. However, since this does not come with most default installations, it may not be your best choice. A company called Maxmind specializes in professional GeoIP solutions. However, when you dig through their website, you can find that they also provide some free databases and free code. I will show you how to use this free stuff in a portable......

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1. mariadb配置文件中 /etc/my.cnf 添加max_connections=3000 2. vim /usr/lib/systemd/system/mariadb.service [Service]新添加两行如下参数： LimitNOFILE=10000 LimitNPROC=10000 3.重新加载系统服务，并重启mariadb服务 systemctl --system daemon-reload systemctl restart mariadb.service 查看配置是否生效： show global variables like '%max_conn%'; ......

一：安装依赖 yum -y install gcc gcc-c++ make libtool zlib zlib-devel openssl openssl-devel pcre pcre-devel 二：下载Nginx版本 1.官网直接下载.tar.gz安装包，地址：nginx: download 2.使用wget命令下载 wget -c https://nginx.org/download/nginx-1.18.0.tar.gz 3.网盘下载 链接：https://pan.baidu.com/s/1C3wfnqAgE2QZgyRPd3zU-w 提取码：6x06 三：解压     tar -zxvf nginx-1.18.0.tar.gz     cd nginx-1.18.0 四：配置 1.不需要SSL ./configure --prefix=/usr/local/nginx 2.需要SSL ./configure --prefix=/usr/local/nginx --with-http_stub_status_module ......

curl https://packages.microsoft.com/config/rhel/7/prod.repo > /etc/yum.repos.d/mssql-release.repo yum install -y msodbcsql mssql-tools unixODBC-devel 修复报错：This extension requires the Microsoft ODBC Driver for SQL Server to communicate with SQL Server. Access the following URL to download the ODBC Driver for SQL Server for x64: https://go.microsoft.com/fwlink/?LinkId=163712 1、安装依赖包 yum install gcc-c++ yum install unixODBC-devel 2、下载mssql扩展包 官方地址：http://pecl.php.net/package/pdo_sqlsrv 我选......

今天配置服务器需要用php和Sqlserver2008数据库，网上找了一些资料，基本上都是说需要下载微软的驱动放在ext文件夹后，再在php.ini中增加如下配置： [PHP_PDO_SQLSRV] extension=php_pdo_sqlsrv_56_ts.dll [PHP_SQLSRV] extension=php_sqlsrv_56_ts.dll 最后重启服务器即可，但我重启了apache之后在phpinfo中还是没有看到sqlsrv的扩展，后来在百度贴吧http://tieba.baidu.com/p/3214930266中找到了问题关键： 原来微软官方提供的microsoft drivers 3.2 for php for sql server并不支持64位的php版本,一些非官方的3.......

jquery view js https://github.com/fengyuanchen/jquery-viewer https://toscode.gitee.com/mirrors/Viewer-jQuery demo:https://fengyuanchen.github.io/viewer/ Options You may set viewer options withnew Viewer(image, options). If you want to change the global default options, You may useViewer.setDefaults(options). backdrop Type:BooleanorString Default:true Enable the modal backdrop, specifystaticfor the backdrop that will not close the modal on click. button Type:Boolean Default:true Show the ......

CentOS7的默认PHP版本是PHP5，但是如果我们要安装PHP7，不需要将现有的PHP5删除，只要将PHP升级到PHP7即可。 使用 yum provides php 命令可以获取CentOS7的PHP包安装情况。显示的是在现有的安装源中能够安装的最新版本为：php-5.4.16-46.el7.x86_64 在安装PHP7之前，建议先升级更新一下CentOS7的安装包： yum -y update ：升级所有软件包的同时也升级软件和系统内核； yum -y upgrade ：只是升级所有软件包，但是不升级软件和系统内核。 我们这里使用第二条：yum -y upgrade ......

systemctl stop firewalld setenforce 0 yum -y install httpd systemctl start httpd.service systemctl enable httpd.service yum install php* -y --skip-broken systemctl restart httpd yum install mariadb-server mariadb -y systemctl start mariadb mysql_secure_installation systemctl enable mariadb  #设置开机启动 yum -y install php-mysql --skip-broken yum -y install php-gd php-ldap php-odbc php-pear php-xml php-xmlrpc php-mbstring php-snmp php-soap curl curl-devel systemctl restart httpd.service 启用https yum install mod_ssl ......