plex subscription

First, Introduction New users focus on the micro-credit public platform, will produce a subscription event, that is, the Subscribe event, the default code does not respond to this event in response to processing. After new users focus on the public platform, you may want to know what the platform provides and how to use the platform, which is, in layman's terms, the "manual" of the platform. This article will detail the processing of the Subscribe

Look at the main parts of App.js first. Io.sockets.on (' Connection ', function (socket) {var Credis = redis.createclient (); Credis.auth (' Chenqiguo '); Subscribe to a channel Redis link var subscribe = redis.createclient (); Subscribe.auth (' Chenqiguo '); Authorize//Create a Redis link to the posting message, send a message to the specified channel var publish = Redis.createclient (); Publish.auth (' Chenqiguo ');/authorized//socket Listener The Publisher publishes a me

Nodejs Redis Publish subscription mechanism encapsulation Recent projects have used Redis to understand and encapsulate the use of publish and subscribe. var config = require ('.. /config/config '); var log = require ("./loghelp"); var Redis = require ("Redis"); function initialclient (param) { var option={host:config.redis.host, port:config.redis.port}; if (param) { option=object.assign (option,param); } Redis.print Let -clie

Text: How to pause SQL Server data subscription serviceStarting and stopping the Snapshot Agent or Log Reader Agent from Management Studio Connect to the publisher in Management Studio, and then expand the server node and the replication folder. Expand the local Publications folder, and then right-click the publication. Click View Snapshot Agent status or View Log Reader Agent status. Click start or stop. starting and stoppin

= "Server"; Private final static short keep_alive = 30;//low-power network, but need to get data in time, heartbeat 30s public static topic[] topics = { New Topic ("Mqtt/aaa", qos.exactly_once), New Topic ("mqtt/bbb", qos.at_least_once), New Topic ("MQTT/CCC", Qos.at_most_once)}; Public final static long reconnection_attempt_max=6; Public final static long reconnection_delay=2000; Public final static int send_buffer_size=2*1024*1024;//

Label:The Publish subscription feature has been available since SQL 2005 The configuration method can be consulted: http://blog.csdn.net/wanmdb/article/details/7515277 Problems encountered: 1. If the agent fails to start, perform the configuration 2.SQL server2008 copy error due to operating system error 3, the process could not read the file "D:\Program files (x86) \sql Server\repldata\March 04, 2014 ⁄sql server⁄ A total of 625 characters ⁄ font si

The 58 help can help you subscribe to 58 of the city's filter information. 1. System Automatic Subscription: As long as you log in after using 58 City search information, when your filter is greater than or equal to 3 conditions, we will automatically save this information for you as "subscription conditions." Every day you first landing 58 in the same city, we will automatically help you retrieve your "

The subscription publishing mode defines a One-to-many dependency that allows multiple subscriber objects to listen to one subject object at the same time. This subject object notifies all subscriber objects when their state changes, enabling them to automatically update their state. One of the bad side effects of splitting a system into a series of interacting classes is the need to maintain consistency among the objects, which can be inconvenient fo

Today, I learned about the tall noun in Redis, "Publish subscription Mode", the word Publish subscription mode was heard in the JMS (Java message Service) Java Messaging Service when I first heard about it. This ranking in a popular point of saying, is that I subscribe to this type of message, when only this kind of message broadcast sent, I will, other messages directly filtered to ensure an efficient tran

Prerequisites: This section describes SQL Server 2008r2. Other versions are not tested. The replication types are mainly transaction replication and P2P replication. Whether it is high availability, high scalability, or high performance, replication and distribution is a good option, the configuration is relatively easy, and there are few changes to the foreground program, so it is widely used, however, after routine maintenance, troubleshooting is troublesome, The principle of replication and

First,database replication involves1. Publishing Server:The source server for the data, maintains the source data, determines what data will be distributed, detects which data has been modified, and submits that information to the Distributor.2. Distribution server:The Distributor is responsible for transferring data from the Publisher to the Subscriber. 3. Subscriber server:A subscriber is a copy of the publisher's data and receives maintenance data. 4. Sub