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Brother Lian Blockchain technical Training Fabric 1.0 Source Code Analysis (1.0.4) fabric Go Code Volume statistics

/java/platform.go 227./core/chaincode/platforms/platforms.go 247./core/chaincode/platforms/util/utils.go 882./core/chaincode/shim/chaincode.go 807./core/chaincode/shim/handler.go /core/chaincode/shim/inprocstream.go. 235./core/chaincode/shim/interfaces.go /core/chaincode/shim/response.go. 127./core/comm/config.go 215./core/comm/connection.go /core/comm/creds.go.

Self-written online text editors compatible with ie and ff are similar to ewebeditor

I should be tired after the night package, but I still have the strength to beat these characters. It seems that I have not reached this point yet.To put it bluntly, I recently wrote an online editor, which is similar to ewebeditor. Of course, it is not as powerful as other people, but has basic skills and is compatible with ie and ff, I have also spent a lot of effort on this, so let's sacrifice the code.Demo.html:Copy codeThe Code is as follows:Font family: Font size: Lt; tr height = "400" g

Use Autoconf and automake to automatically generate makefile instances

steps step by step. The third layer, shallow, is a little more complex, but this is the structure we often use to write programs. The following example shows how to automatically generate a makefile for the source file of the shallow hierarchy.The example source program structure is as follows:HelloIs our working directory. The Hello directory contains the main. C source file and five directories, including comm, tools, DB, network, and interface.

Self-written online text editors compatible with ie and ff are similar to ewebeditor

I should be tired after the night package, but I still have the strength to beat these characters. It seems that I have not reached this point yet. To put it bluntly, I recently wrote an online editor, which is similar to ewebeditor. Of course, it is not as powerful as other people, but has basic skills and is compatible with ie and ff, I have also spent a lot of effort on this, so let's sacrifice the code. Demo.html: Copy codeThe Code is as follows: Font family: Font size: Lt; tr height = "

Add custom navigation and paging information for the DataGrid customization page

OnInit (EventArgs e) { InitializeComponent (); Base. OnInit (e); } private void InitializeComponent () { This. Lbtnfirst.click + = new System.EventHandler (this. Lbtnnavigation_click); This. Lbtnprev.click + = new System.EventHandler (this. Lbtnnavigation_click); This. Lbtnnext.click + = new System.EventHandler (this. Lbtnnavigation_click); This. Lbtnlast.click + = new System.EventHandler (this. Lbtnnavigation_click); This. Load + = new System.EventHandler (this. Page_Load); } #

A simple user Login program ...

Content-type:text/plain; charset= "gb2312" Content-transfer-encoding:8bit The following program is used to verify the user login A total of two buttons, one is used to submit, one is used to refill, the page part is very simple, two text boxes, two buttons, here the page code is not written:) Private Sub button2_click (ByVal sender as System.Object, ByVal e as System.EventArgs) Handles Button2.click If TextBox3.Text = "" Or textbox4.text = "" Then Label35.text = "Please confirm your input!" "

MySQL Table basic Query

Section I.--or # single-line comment/*** Multi-line Comment*/--C CREATE DATABASE examCREATE DATABASE Exam;Use exam;/* Create a departmental table */CREATE TABLE Dept (Deptnoint PRIMARY KEY,Dnamevarchar (50),Loc VARCHAR (50));/* Create an employee table */CREATE TABLE EMP (Empnoint PRIMARY KEY,Enamevarchar (50),Jobvarchar (50),Mgrint,Hiredatedate,Saldecimal (7,2),COMM DECIMAL (7,2),Deptnoint,CONSTRAINT fk_emp FOREIGN KEY (MGR) REFERENCES EMP (empno));/

[Js-mysql] Function

seconds, in the format (00 ... ()%s: represents seconds in the format (00 ...). () 1 SelectEmpno, ename, Format (Sal,0) fromEmp--Find employee salaries and join thousands of people2 SelectEmpno, ename, Format (Sal,2) fromEmp--Query Employee Salaries add thousands of decimal places and retain two decimals3 4 Select round(123.56);--Rounding 1245 Select round(123.56,1);--123.66 Select round(123.56,-1);-- -7 8 Select Rand();--generate random number 0.26058804268072189 Select * fromEmpOrder by Ran

Database startup and shutdown in Linux system &basic SQL

employees of a:Sql> select ename from emp where ename like '%a% ';Ename----------ALLENWARDMARTINBLAKECLARKAdamsJAMES7 rows selected.Sql>To inquire about a department without an employee:Sql> SELECT * FROM dept where Deptno in (select Deptno from EMP GROUP by DEPTNO have Count (*) No rows selectedSql>Search for departments with employees:Sql> SELECT * FROM dept where Deptno in (select Deptno from EMP GROUP by DEPTNO have Count (*) >1);DEPTNO dname LOC---------- -------------- -------------SALES

Asp.net Paging

recordcount, ref int pagecount) { String connstring = configurationsettings. receivettings ["connstring"]; Sqlconnection conn = new sqlconnection (connstring ); Sqlcommand comm = new sqlcommand ("getcustomersdatapage", Conn ); Comm. Parameters. Add (New sqlparameter ("@ pageindex", sqldbtype. INT )); Comm. Parameters [0]. value = pageindex;

Query (select) syntax in Oracle

Oracle query syntax 1. Select * from EMP; 2. Select empno, ename, job from EMP; 3. Select empno number, ename name, job from EMP; 4. Select job from EMP; 5. Select distinct job from EMP; 6. Select distinct empno, job from EMP;Note: Because employee numbers are not repeated, it is proved that all columns are not repeated at this time, so repeated Columns cannot be eliminated. 7. query the employee ID, name, and work, but the displayed format is: 7369 employee, name: Smith, and work: ClearSelect

Oracle query syntax

1. Select* From EMP; 2. Select empno, ename, job from EMP; 3. Select empno number, ename name, jobWorkFrom EMP; 4. Select job from EMP; 5. Select distinct job from EMP; 6. Select distinct empno, job from EMP;Note: Because employee numbers are not repeated, it is proved that all columns are not repeated at this time, so repeated Columns cannot be eliminated. 7.QueryEmployee ID, name, work, but displayed in the format of: 7369 employee, name: Smith, job: ClearSelect ':' | empno | 'employee, name:

Smarty instance teaching example

is adodb.tar.gz. this is a linux compression format. in windows, you can use winrar to import it. Extract the directory and copy it to the adodb Directory of the specified directory. for example, I copied it to/comm/adodb/In the example. 3. how to call ADODB? Use include_once ("./comm/adodb. inc. php"); isn't that necessary? The main file that contains ADODB. 4. how to use ADODB? 1. perform initialization

Ado. NET Notes

. Create the syntax:SqlCommand comm = new SqlCommand ();Comm.commandtext = "SQL statement"; What SQL do you want to execute?Comm. Connection = conn; Where is it executed?or abbreviated as:SqlCommand comm = new SqlCommand (SQL, conn);2. Implementation2.1. ExecuteScalar ()2.2. ExecuteReader ()2.3. ExecuteNonQuery ()3. Comm

99 query statements commonly used in Oracle database (reproduced)

Label:1. Select * from EMP;2. Select Empno, ename, job from EMP;3. Select empno number, ename name, job work from EMP;4. Select Job from EMP;5. Select distinct job from EMP;6. Select distinct empno, job from EMP;Description: Because the employee number is not duplicated, it proves that all columns are not duplicated at this time, so duplicate columns cannot be eliminated.7. Check out the employee's number, name, and work, but the format shown: number is: 7369 employee, name is: Smith, work is: c

Web Day15 Database Overview, mysql,sql statements, data query syntax DQL

! First, the basic query 1. Field (column) control 1) Query all columnsSELECT * from table name; SELECT * from EMP; -where "*" means querying all columns2) query the specified columnSELECT column 1 [, Column 2, ... Column n] from table name; SELECT empno, ename, Sal, comm from table name; 3) Complete duplicate records only onceWhen the multiline record in the query results is identical, only one row is displayed. This is rarely the case when querying

Web Day15 Database Overview, mysql,sql statements, data query syntax DQL

! First, the basic query 1. Field (column) control 1) Query all columnsSELECT * from table name; SELECT * from EMP; -where "*" means querying all columns2) query the specified columnSELECT column 1 [, Column 2, ... Column n] from table name; SELECT empno, ename, Sal, comm from table name; 3) Complete duplicate records only onceWhen the multiline record in the query results is identical, only one row is displayed. This is rarely the case when querying

Insert a picture into a database and use ASP.net to read the correct side

point is universal, but not absolute, depending on the format of the picture), thereby following the "person info successfully retrieved! "The information is naturally not shown, because the information is already encoded in the image file. 2, the right way A, the image into the database, the following is a picture into the database code snippets: (Complete demo program See appendix I) FileStream Fs=file.openread (Filepath.text); Byte[] Content=new Byte[fs. Length]; Fs. Read (content, 0,

Oracle transaction (one)

automatically submitted during the ddl operation, the database automatically submits the transaction after the set autocommit on statement is executed. When the disconnect database is used, the transaction automatically rolls back the rollback and the transaction ends. 3) Submit transactions and roll back all transactions. 4) SET transaction retention points. perform the following test for some transactions: [SQL] SCOTT @ orcl # select * from emp; empno ename job mgr hiredate sal

Inter-process communication (8)

(server_running ){If (read_request_from_client ( mess_command )){Process_command (mess_command );} Else {If (server_running) fprintf (stderr, "server ended-Can not/Read pipe/N ");Server_running = 0;}}/* While */Server_ending ();Exit (exit_success );} 3. All client messages will be passed to the process_command function, where they will be passed to a case statement to execute the correct call in cd_dbm.c. Static void process_command (const message_db_t comm

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