oauth 2 0 tutorial

2 methods for connecting node. js to MongoDB database tutorial, node. jsmongodb Preface The MongoDB Node. js driver is officially supported by the native node. js driver. It is the best implementation so far and has been officially supported by MongoDB. The MongoDB team has adopted the MongoDB Node. js driver as the standard method. Npm install mongodb@1.4.3 // MongoDB Node. js driver npm install mongoose@3

proficient in the operation of Common Linux commands, rights Network, network configuration, long-distance convergence and other common sense, then what can we do next? Now that we're almost getting started, the next step is to further service provisioning, what is the Linux system for? The next chapters will come with us to learn.The use of Linux system, we introduced the beginning of the introduction of the brief introduction, now large and medium-sized enterprises are using it to host Web si

(The first launch of the game manniu) Hello everyone, I'm Sun Guangdong. The official website provides professional video tutorials. However, the tutorial still provides better text for viewing and searching. Let's first set the screen size in Ui root as follows: 1024*768 2.1 create a label Control Let's take a look at control properties (basically all controls are shared) and we will not discuss it later. parameters: To set layout and anchor, we ne

Oracle Installation text tutorial in linux environment in VMware (2) upgrade patch installation in ORACLE 10.2.05, vmware10.2.05 First, decompress the package. $ unzip p8202632_10205_LINUX.zip After decompression, we will find an extra folder, Which is Disk1 and enters Disk1. Then execute the installation: $ ./runInstaller Execute scripts # /u01/app/oracle/10.2.0/db_1/root.shRunning Oracle 10g root

in the "Size" column, select the number of rows is 2, the number of columns is 1, border thickness, cell padding and cell spacing is 0, specify a width of 100, and refers to the percentage (Figure 10). Then press OK and we insert two rows of tables in the page (Figure 11). (Figure 11) Next, we'll play our favorite text in the first row of the table and define its properties. Insert a picture in the sec

(SqlCommand sqlcmd=NewSqlCommand (Cmd,conn)) {Sqlcmd.commandtext=cmd; if(sqlcmd. ExecuteNonQuery () >0) {Console.WriteLine ("Modification succeeded"); } Else{Console.WriteLine ("Modification Failed"); } } } }View CodeDeclaring SQL statement calls on the console entry method of adding and deleting changes Static voidMain (string[] args) { //SQL connection String varADONet =NewADONet (".","Ttest"

(Gl_polygon);for (i=0; iGLVERTEX2F (R*cos (2*pi/n*i), R*sin (2*pi/n*i));Glend ();Glflush ();}Example two, draw a pentagram/*The five vertex distribution positions of the pentagram are as follows:AE BD CFirst, the distance a from the center of the pentagram to the vertex is calculated according to the cosine theorem column equation.(assuming the side length of th

Grunt tutorial 2 Concat plugin Concat is a common plug-in used in grunt for file connection. For example, if you write a class library, there are three modules, such: A. js B. js C. js When your project is ready for release, you may need to combine these three modules into a large module, all. js. This can reduce HTTP requests and increase the page response speed. If we need to connect these three modules a

XML tutorial (2)Author: I am a Chu madman Download source code I. Sax ArchitectureSax contains multiple handler processors, many of which process events when processing XML resources.Contenthandler is the most important one. It is used to parse the XML document, while dtdhandler verifies the DTD file.Msxml3 currently includes the following processors: Imxattributes Interface Imxwriter Interface Isaxattr

, mspid string) Error // load the local mspfunc getlocalmsp () MSP from the specified directory. MSP // retrieve MSP. newbccspmsp () Create bccspmsp instance func getlocalsigningidentityorpanic () MSP. signingidentity // getlocalmsp (). getdefaultsigningidentity () // code in MSP/MGMT. go Func loadlocalmsp (DIR string, bccspconfig * factory. factoryopts, mspid string) error code: Conf, err: = MSP. getlocalmspconfig (Dir, bccspconfig, mspid) // obtain the local MSP configuration and write it to M

are uploaded.* Array content:* $ Fileinfo ['File _ size'] size of the uploaded file* $ Fileinfo ['File _ suffix '] file Upload type* $ Fileinfo ['File _ name'] name of the uploaded file* $ Fileinfo ['error'] file upload error* */Class upfile {Public $ fcount = 1; // Number of uploaded filesPublic $ ftype = array ('jpg ', 'jpeg', 'GIF', 'PNG '); // File formatPublic $ fsize = 1024; // File Size Unit: kbPublic $ fdir = 'www .bkjia.com/'; // file storage directoryPublic $ errormsg = ''; // generat

When we look at the example, we know that the entry program for running the entire program is such a basic yaf tutorial (2)-instantiation of the project newYaf_Application () when we look at the example, we know that the entry program for running the entire program is like this: $ App = new Yaf_Application (APPLICATION_PATH. "/conf/application. ini "); $ App-> bootstrap () // call bootstrap methods defined

// -- C ++ shortcut tutorial -- Chapter 18--c ++ I/O system// -- Chapter 18--c ++ I/O system// -- 10/15/2006 sun.// -- Computer lab// -- Liwei // Describes the use of the insert operator to enable the user# Include Using namespace STD; Class three_d {Int x, y, z;Public:Three_d (int A, int B, int c) {x = A; y = B; Z = C ;}Friend ostream operator }; Ostream operator {Stream Stream Stream Return stream;} Int main (){Three_d A (1,

Nodejs simple getting started tutorial (2): timer, nodejs simple SetTimeout and clearTimeout Copy codeThe Code is as follows:Var obj = setTimeout (cb, MS ); SetTimeout is used to set a callback function cb that is executed after a minimum MS of milliseconds (not immediately after a MS of milliseconds ). The setTimeout return value can be used as the clearTimeout parameter. clearTimeout is used to stop the t

Configuring, starting KibanaTo Kibana's installation directory:　　The default configuration is sufficient.Visit localhost:5601, Web page display:Proof of successful start-up.Create a Springboot ProjectThe starting dependency is as follows:　　log4j configuration,/src/resources/log4j.properties as follows:log4j.rootlogger=info,console# for package Com.demo.elk, log would is sent to socket appender.log4j.logger.com.forezp= DEBUG, socket# Appender socketlog4j.appender.socket=org.apache.log4j.net.socke

Nginx is very suitable for web sites because it is small and occupies less resources. More and more Linux + nginx + PHP + MySQL sites have gradually surpassed Apache and Lighttpd in recent years. If Google-perftools developed by Googler is used to optimize the memory management of nginx and MySQL, the performance will be improved to a certain extent. especially for servers with high concurrency, the effect is more obvious. this tutorial is applicable

= [row[2]-40 for row in data] , the feeling is that it can generate a List ? The code tries:L = [(n), (3,4), (5,6), (7,8)]b = [r[1] for R in L]print bThat is, the r[1 of each element r in L is added to b . Execution Result:It turns out that's almost what it means.Next look at the zip functionThe function of the zip function on the Internet is to accept any number of sequences (including 0 and 1 ) as parame

SQLite tutorial (14): C language programming example code (2), sqlite programming example 3. Efficient batch data insertion: Before giving the operation steps, let's briefly describe the concept of batch insert to help you read the subsequent sample code. In fact, batch insert is not a new concept. It is supported in the C interface APIs of other relational databases, but the interface implementation method

. dump ). 　 Create table employees (id tinyint (4) DEFAULT 0 NOT NULLAUTO_INCREMENT, first varchar (20), last varchar (20 ),Address varchar (255), position varchar (50), primary key (id ),UNIQUE id (id); insert into employees VALUES (1, Bob, Smith,128 Here St, Cityname, Marketing Manager );Insert into employees VALUES (2, John, Robert TS, 45 There St,Townville, Telephonist );Insert into em

PHP and MySQL basic tutorial (2). Read the PHP and MySQL basic tutorial (2). The data validation clearing space trim function will clear spaces at the beginning and end of the data. Its syntax is: trim ($ first_name); processing of required fields is required for some fields in your database. In this way, fields corres