A tutorial on Spring batch processinghttps://www.petrikainulainen.net/programming/spring-framework/spring-batch-tutorial-introduction/About batching: Batch processing is a complete piece of workIts features include correct output, fault tolerance, and fast processing.Process profiling for batch processing:The first
Below
Program Update the age fields of all records whose age is greater than zero in the MERs table by using the hibernate API in batches:
Tx = session. begintransaction (); iterator MERs = session. find ("from customer C Where C. age> 0 "). iterator (); While (MERS MERs. hasnext () {customer = (customer) MERs. next (); customer. setage (customer. getage () + 1);} Tx. commit (); Session. close ();
If the customers table contains 10 thousand records older than zero, the find () method of the
Batch Update
The MySQL UPDATE statement is simple, updating a field of data that is generally written like this:
The code is as follows
UPDATE mytable SET myfield = ' value ' WHERE Other_field = ' other_value ';
If you update the same value in the same field, MySQL is also simple, modify the Where to:
The code is as follows
UPDATE mytable
Batch Update
The MySQL UPDATE statement is simple, updating a field of data that is generally written like this:
Copy Code code as follows:
UPDATE mytable SET myfield = ' value ' WHERE Other_field = ' other_value ';
If you update the same value in the same field, MySQL is also simple, modify the Where to:
Copy Code code as follows:
UPDATE mytable SET myfield = ' value ' WHERE Other_field in (' other_values '
go from: http://www.ibm.com/developerworks/cn/java/j-lo-springbatch2/using the Spring batch batch, the feeling can get started. Before working on your own is the thread pool production-consumption mode to do batch processing, the next opportunity to try batch to try.
Preface
In part 1th of this series of articles,
Use the actions in PS for batch processing. it can adjust the size, crop, compress, rotate, adjust the color, and so on. Today, I will teach you how to use ps to batch process images. it is very powerful and convenient! Let's take a look at the tutorial and use the action in PS for batch processing. it can adjust the size, crop, compress, rotate, adjust the color
Windows batch processing-file name modification tutorial, batch processing file namePurpose
You can batch modify a regular file name for any file name, as shown below:
Rename by keith.gifUsage
Create a new file (.txt), copy the following code, save it, and change the file suffix to. bat. Put it in the folder where the files you want to operate in batches. Do
We have introduced two methods for batch data deletion (cursor form and SQL stored procedure), as well as the methods for batch data deletion of database tables. For more information, see.
We have introduced two methods for batch data deletion (cursor form and SQL stored procedure), as well as the methods for batch dat
The technical level can always be improved in context and nitpicking. If you never "find fault", you may not know if (str! = "") Not as good as if (str! = String. empty) efficient, batch insert, and delete SQL statements are the fastest to execute in that way. The difference between interfaces and abstract classes is not only the language level, but also the original permission management is designed in this way. responsibilities are simpler and easie
MySQL batch Dll operations, mysql batch dll operationsOverview
This topic describes how to use cursors to operate tables in batches, including adding indexes and fields in batches. If you are not familiar with stored procedures, variable definitions, and preprocessing, read the article on these three concepts that I have previously written, only by first understanding these three concepts can we better unde
YiiUploadify: batch upload and yiiuploadify. YiiUploadify batch upload, yiiuploadify Batch Controller: $ reinfofail; $ filename; important: during uploadify Upload, this sessionID changes every time. modify Yii Uploadify to batch upload and yiiuploadify to batch upload.
Con
Batch renaming of Files: initial code and batch renaming
A tool class is created to modify file names in batches. It can be used to download TV series online. If the name is not required for a website address, you can change it to the name you want in batches.
For example, if you have downloaded zookeeper from the Internet for 72 sets
The results are all named "http: // isoivjsvlkfdjorwiu pijklsjvgoij; lkji
Magic Mirror Batch Barcode error (all batch generated barcodes are the same, and do not follow the data to transform) solution01, when setting the active column and changing the name of the template:After you select the template, set the active column, and then set the change column name!02,The red arrow points to the template before setting the active column and changing the column name.After setting the a
Windows Command Line (batch processing) file delay (sleep) method, batch processing sleep
In Windows, the next batch processing file does not have the same Sleep function as in Linux for latency processing. Here there are two more practical methods to achieve latency:
1. Use the sleep function of WScirpt, with an accuracy of 0.001 seconds
Create a vbs delayed
Svn command line batch Delete and batch add If svn command line is used, for example, in a linux terminal, the svn add command for www.2cto.com is svn add, and the DELETE command is svn del, however, there is a lack of batch operations. If I manually add a variety of files under Multiple folders in the resource manager, and then I want to add files at one time, s
This article illustrates the method of PHP batch adding data and batch updating data. Share to everyone for your reference. The specific analysis is as follows:
PHP If you want to save the data in bulk, we just use the SQL INSERT INTO statement can be implemented in the bulk of the data saved, if the update data using update set can complete the update, the operation method is very simple, the following tw
Php batch deletes tables with the specified prefix in the database. The prefix _ is used as an example to batch Delete the prefix.
How to Use php to batch Delete All Tables prefixed with prefix _ in the database.
For example, delete all tables with the prefix "prefix.
Operation instance:
Create a new php file and save it as deletedata. php.For example, if you wa
Java batch conversion of image formats, java batch conversion
There is not much nonsense, and there is not much code ....Package com. qiao. testImage; import java. awt. image. bufferedImage; import java. io. file; import java. io. IOException; import java. util. arrayList; import java. util. list; import javax. imageio. imageIO; public class imageChange {public static void main (String [] args) throws IOExc
Oracle batch drop and batch flashback raise the question: if you do not write a stored procedure, drop can only generate one table at a time. In this case, how can I delete multiple tables at a time? Solution: Use select statements to query all the tables you want to delete and combine these statements into SQL statements that can be executed. Copy these statements and paste them to the following. Naturally
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