")
8. Create a scaffold model (generate scaffold Post name: string title: string content: text)
9. Execute the rake task and synchronize the new data model to the database. rake db: migrate
10. Add the link to the scaffold on the homepage (modify it in views \ home \ index.html. erbPosts_path%>
Pay attention to the posts_path in it, as agreed in writing
11. Open the homepage http: // 127.0.0.1: 3000/and you will see a hyperlink to the blog.
12. Connect to the database for CURD testing.
13. Add
Crystal// Calling the routine takes about 4μs, and then// Each count takes another 3.2 μsVoid delay (uint16 us){Volatile uint16 S;For (S = 0; S }// ResetUint8 ow_reset (void){Unsigned char presence;DQ = 0; // pull DQ line lowDelay (141); // leave it low for 480 μsDQ = 1; // allow line to return highDelay (14); // wait for presencePresence = DQ; // get presence SignalDelay (110); // wait for end of timeslot
"Xmppconnection Management" later:Https://github.com/igniterealtime/Smack/blob/master/documentation/connections.html(Currently invalid)Once you have created a connection, you should call the Xmppconnection.login () method to log on to the server. Once you're signed in, you can start chatting with other users by creating a Chat object or Groupchat object.Vii. use of Roster (list)Roster is used to track whether other users are online. Users ' contacts can be organized in groups, such as "Friends"
a file B (presence): first prompt whether to overwrite, is to delete the original B, and rename to B(not present): Place the source file at this file and rename it to BA file A to a directory C (presence): Place the source file under this directory C and keep the original A(not present): Place the source file in this directory and rename it to CMultiple files A to a directory D (
:( XMPPStream *) sender
Call when registration fails
-(Void) xmppStream :( XMPPStream *) sender didNotRegister :( DDXMLElement *) error
XmppRoster roster proxy method
Called when a friend request is received
-(Void) xmppRoster :( XMPPRoster *) sender didReceivePresenceSubscriptionRequest :( XMPPPresence *) presence
3. User Logon:
The user needs to send his/her password to the server in the proxy method after the connection is successful. His/her pas
Xmpp login to register a friend group _ practical tutorial 4, xmpp login Registration
// Obtain the status of friends-online or offline. Just write it for judgment and return.
. H
1 /*! 2 * @Author Dylan. 3 * 4 * Paresence 5 */ 6 typedef void (^userGoOnline) (NSString *); 7 typedef void (^userGoOffline) (NSString *); 8 9 - (void)refreshRosterPresence: (userGoOnline)online10 offline: (userGoOffline)offline;
. M
1 #pragma mark pr
Chapter IV disintegration unconscious
Chapter FourDissolving unconsciousness
One important thing: in a relatively smooth routine, tryMulti-consciousness brings into your life. In this way, your presence will increase. It willCreates an energy field with a high frequency of vibration in and around, unconscious, negative, and discord.Harmony or violence cannot enter this energy field and survive, just as darkness cannot come in the lightSame as surv
Basic semantics9.2.1 Message semanticsThe 9.2.2 presence Semantics The information of the entity that has subscribed (in this case, the network can take advantage of information). In general, the publishing entity should send a presence section without the ' to ' attribute, in which case the server connected to the entity should broadcast or reuse the section to all subscribing entities. However, a publishi
DescriptionThe level of personal English is very general, understanding may be biased, if there is inappropriate translation, please crossing guidance. 1. Introductiondistributed systems are like zoos, where each server is like an animal, zookeeper is like a zoo keeper, coordinating and serving animals in zoos.Zookeeper is a high-performance coordination service for distributed applications.Zookeeper exposes public service interfaces through simple interface services, such as: Naming,configurati
external environment. Mobile Internet products are not simply transplanted from PCs to mobile phones. The following 30 principles show a clear understanding of APP product design and promotion. they are from the presentation PPT by founder Zhang Xiaolong and the APP experience report (ID: app-tianyanbaogao.
1. fashion is the driving force
People follow suit and should not be too "tool-oriented ".
2. pay attention to the "diaosi" user group
Facebook, pinterest, instagram, path, and other product
developed in the TCP/IP network system, although there is no need to specify that this is the only operating environment for the IRC protocol. The IRC protocol is a text-based protocol that uses the simplest client program as an interface (socket) program for its connection to the server.XMPP Development related references
Official website: http://xmpp.org
XMPP client libraries, including JavaScript (STROPHEJS) and C ([1]): http://strophe.im
Social Stream's full package: https:
-1.0.6.tar.gz
Cd bzip2-1.0.6
Make-f Makefile-libbz2_so
Make clean
Make
Make install PREFIX =/opt/bzip2-1.0.6
7 ,. /configure -- prefix =/opt/R-3.3.1 -- enable-R-shlib LDFLAGS = "-L/opt/zlib-1.2.8/lib-L/opt/bzip2-1.0.6/lib" CPPFLAGS = "-I /opt/zlib-1.2.8/include-I/opt/bzip2-1.0.6/include"
Error:
Checking if bzip2 version> = 1.0.6... yes
Checking whether bzip2 support suffices... no
Checking for lzma_version_number in-llzma... no # bzip2 meets the requirements, but lzma (xz Software Package) is mi
.
SessionManager manages sessions between clients and servers, AuthManager manages client user authentication, Presence Manager manages Auth Manager manages client user authentication, and Presence Manager manages the logon status of client users, icationicationmanager is responsible for pushing messages from the server to the client.
The System Client is based on the Android mobile phone platform. XMPP i
the "Access" timestamp-M: Modify the "modify" timestamp-T: modified to the specified timestampStar: View file propertiesTo create a file, you can use the file editor ASCIIDelete File: RMType RM View RM's Attribute "Rm-i": the alias "-I" represents an interactive command that asks whether to determine the executionIndicates the use of the command itself, but not the alias when you can add "/"No aliases, add meaning-F do not ask, delete directly-R Recursive Delete directoryCp:copy Copying filesUs
a file B (presence): first prompt whether to overwrite, is to delete the original B, and rename to B(not present): Place the source file at this file and rename it to BA file A to a directory C (presence): Place the source file under this directory C and keep the original A(not present): Place the source file in this directory and rename it to CMultiple files A to a directory D (
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