In struts, validator is very useful. It can help users get away from tedious page verification work and put the page verification work in the configuration file, struts has the following built-in validators that we often use:
· The validatebyte check value can be safely converted to byte· Validatecreditcard is a valid credit card number.· The validatedate check value is a valid date.· Validatedouble check value can be safely converted to double· The v
How to connect to the SS database through ODBC
16:52:30 | category:Progress | font size subscription
Odbc ss odbc is not common and requires special ODBC tools and software to connect. The most commonly used tool is merant ODBC. Here we will introduce how to connect to progress database with merant3.7, because there may be different operating systems, of course the connection methods are somewhat different.
The VSS was used well yesterday. This morning, the following message is displayed: Cannot find ss. ini file for user *** Du Niang said something like this: 1. There is no file ss. ini under VSS \ Users \ *** \If there is no way to copy one2, VSS \ Users \***\File ss. iniModify the users.txt file under VSSAdd:* ** = Users \ *** \
Commands commonly used in shell scripts: wget, Curl, SS, Lsof, Nmap, NC, netstat, telnetLab Environment Description:(1) The port used by the remote Nginx Server Ip:192.169.5.136,nginx service is 80;(2) ip:192.169.5.121 of local CeshijiCommon commands on server local monitoring service ports: Netstat, SS, Lsof (for short, three ' S ')Examples of options for common commands:(1) [[email protected] ~]# NETSTAT-
Tags: Post users Direction Proxy Server Protocol OCA Touch key ETHPro-Test TCP BBR mate SS or V2ray on tubing look 1080 is no problem.V2rayBoth client and server installation are simple, just say the configuration1, service-side configuration{ "log" : { ... //配置日志 }, "inbound": { //进入服务器方向的配置 "port": 8899, //服务器上提供客户端连接端口 "protocol": "vmess", //协议,支持
Tags: two kinds of commands. JSON system settings from Directive Bubuko. So open1. Installation SSsudosudoinstall python-gevent python-Install shadowsocks2. Configure SSThere are two ways to start the SS, one is to start with a configuration file (recommended), and the other is to start with a command parameter.(1) Start with configuration fileVim ~/ss.jsonThe contents of the configuration file are as follows:Server server IPServer_port Remote port nu
Because just graduated from poor college students, and friends rented a server opened a number of ports to provide SS services, too lazy to configure Ss-panel, used Ss-bash to monitor the traffic of different ports, but each time to wait on the server to see traffic usage, very troublesome, so wrote a simple page to provide WEB access, specific content through th
Write in front, the public message function has been open for some time, if you need to exchange please try to choose the way to leave a message, because usually I also want to working, and recently intends to learn through video plus text way to study, to enjoy the look.The SS is the abbreviation for the socket statistics. As the name implies, the SS command can be used to get socket statistics, which can
This example describes the Yii core Validator API. Share to everyone for your reference, specific as follows:
Core Validator Cores validators
Objective
YII provides a series of Common Core validators that you canFound in Yii\validators namespace. Instead of using long validator class names, you can replace them with aliases.
For example, you can use the alias
Introduction There is a general belief among developers that session State maintenance is always against one domain/site. And therefore one can not maintain session State limit SS different domains. Usually there isNo such requirement to maintain session State failed SS different domains. But of late due to increase in the scope of web based applications developers feel the need to share the session state w
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Article, where the information may have evolved or changed.
Build Golang version SS service
First step: Install Golang
cd /usr/local # golang安装到此路径下wget https://storage.googleapis.com/golang/go1.6.3.linux-amd64.tar.gztar -xvf go1.6.3linux-amd64.tar.gzvim /etc/profile # 设置系统 GOROOT 并添加环境变量 export GOROOT=/usr/local/go export PATH=$PATH:$GOROOT/binsource /etc/profile # 重载此文件cd ~ # 到家目录下面设置自己的GOPATH 这样不会污染其他用户的vim
Yang is SS/SN is SP (medium)
--- Integrate the concept of social software into SP operation
Step 1: add your own mature IM/Outlook contact list:
By default, SMS chat is only performed for SP operations.Step 2: Apply for adding the SN yourself:
Enter the following information segments:
2. Engaged in industry
2. Educational Level
2. Location
2. Self-Introduction
2. interests and hobbies (you can divide it into many types to facilitate searching
When it comes to some time data, it is not a specific date, for example, the length of a video, it is the number of seconds in the int type.Exist in the database. We want it to be converted to the string form of HH: mm: SS for output display.
The general idea is to calculate the number of hours in the value, subtract this part, calculate the minute, calculate the second, and then splice the several parts.
In SQL, You Can skillfully use the dateadd dat
A table contains a field of the datetime type, and you want to insert a time to it in the format of "yyyy-mm-dd hh: mm: SS ";
First, execute ps. setdate (2, date) in SQL )... After successful insertion, the time and seconds of the background database are always 00:00:00.
I have already formatted the statement before executing the SQL statement.
Simpledateformat SFD = new simpledateformat ("yyyy-mm-dd hh: mm: SS
SS Command:Format: ss [OPTION] ... [FILTER]Options:-T:TCP protocol Related-U:UDP protocol Related-W: Bare Socket related-x:unix Sock Related-l:listen State of connection-A: All-N: Number format-P: Related programs and PID-E: Extended information-M: Memory usage-O: Timer informationFILTER: = [state TCP status] [EXPRESSION]Common State of TCP:TCP Finite state machine:LISTEN: MonitoringEstablished: Established
This article mainly introduces the method of using Async-validator to write Form components, small series feel very good, and now share to everyone, but also for everyone to do a reference. Follow the small series together to see it, hope to help everyone.
In front-end development, the validation of forms is a very common feature, and some UI libraries such as ant.design and element UI implement a form component that has a checksum capability. Async
For the latest download, visit http://ww2validator.dev.java.net
Webwork2 extended validator instructions
1. Download and decompress the file
2. Find jscud_wwvalidators_1 _??. Jar, modify the classpath or copy it to the corresponding path
3. Copy the checkform. js file to your project and then reference
There are two methods to reference
I: Reference checkform. js directly in your program (note that you need to modify the path)
II: Modify/reload the
This is the login form model
class LoginForm extends Model{ public $account; public $password; /** * @return array the validation rules. */ public function rules() { return [ ['account','app\components\NameValidator','maxLen'=>12] ]; }}
App\components\namevalidator is a validator that I have customized:
namespace App\components;use Yii\validators\validator
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