batch processing in java

Java digital signature (digital signature) Batch File Creation Prepare the following five batch files: Set. cmd Set jdk_bin = E:/"Program Files"/Java/jdk1.6.0 _ 24/binSet key_folder = E:/digitalsignature Key. cmd Call set. cmd% Jdk_bin %/keytool-genkey-keystore % key_folder %/cuckoo. keystore-alias cuckoo % Jdk_bin

Jquery file batch upload control Uploadify3.2 (java springMVC), jqueryuploadify3.2 People are relatively lazy and practical. Put the Uploadify official link: http://www.uploadify.com/--> inside can see the PHP example, attribute description, and control. Divided into flash (free) and html5 (charged ). You can see the demo on the official website. In addition, I found an Uploadify3.2 Chinese API document o

This article mainly introduces the python implementation of JAVA source code from ANSI to UTF-8 batch conversion method, involves Python for file operations and encoding conversion related skills, A friend of the need can refer to the example of this article describes the python implementation of JAVA source code from ANSI to the UTF-8

Not perfect yet. You can only download images uploaded by the main user. If the main user is leeching, it cannot be identified, and other streams are too frequently opened or closed. Import Java. io. bufferedreader; import Java. io. fileoutputstream; import Java. io. ioexception; import Java. io. inputstream; import

1. Basic Java database operation process 2. Several Common important skills: Record Sets that can be rolled and updated Batch update Transaction Processing Basic Java database operation process: Get database connection-Execute SQL statements-process execution results-Release Database Connection 1. Obtain database connection 1) Use drivermanager to retrieve the d

Java uses POI to Operate excel files for batch export, import, and poiexcelI. Definition of POI There are two mainstream JAVA tool kits for operating Excel: JXL and POI. Jxl only supports Excel 95 and 97,200, that is, excel with the suffix .xls. Poi can perform operations on Excel 95 and later versions, and then perform operations on excel files suffixed with. xl

); board = new BufferedImage (Jpgwidth, Jpgheight, Bufferedimage.scale_smooth); System.out.println (Everyfile.getname () + "Footage jpg file has been scaled to x*x");} Else{newimage = Image.getscaledinstance (jpgheight,jpgwidth,image.scale_smooth); board = new BufferedImage (Jpgheight, Jpgwidth,bufferedimage.scale_smooth); System.out.println (Everyfile.getname () + "Footage jpg file has been scaled to x*x");} Graphics g = Board.getgraphics (); G.drawimage (newimage,0,0,null); G.dispose (); Every

first-level cache for each transaction. sessionfactory 's external cache is Hibernate 's second-level meat dishes, which is an application-wide cache, and all transactions share the same second-level cache. In any case,hibernate 's first-level cache is always available,andhibernate 's second-level cache is off by default, but can also be manually turn off level two caching in Hibernate's configuration file:Hibernate.cache.use_second_level_cache=false;in the Itoo The code stored in bulk is as

" identifier generator, Hibernate cannot be in the JDBC layer for BULK insert operations. 3. when doing bulk operations. We recommend that you turn off hibernate 's second-level cache. the Session is cached as hibernate 's first-level cache, which is typically a transaction-scoped cache. Each transaction has a separate first-level cache. sessionfactory the external cache is Hibernate second-level meat dishes, which is the cache in the application scope, and all transactions share the same second

Package Com.baobaotao.test;import Java.io.ioexception;public class Cmdmain {public static void main (string[] args) {//Execute Batch file string strcmd = "cmd/c start e:\\run.bat"; Runtime RT = Runtime.getruntime (); Process PS = null;try {PS = rt.exec (strcmd);} catch (IOException E1) {e1.printstacktrace ();} try {ps.waitfor ();} catch (Interruptedexception e) {//TODO auto-generated catch Blocke.printstacktrace ();} int i = Ps.exitvalue (), if (i =

, data security requires digital signature and data encryption. The first consideration is the HTTP based transmission mode. But the author through relatively quickly found to meet the above requirements: 1: Upload with HTTP protocol, seems to be more suitable for web programming convenience, upload less than 1M file speed than with FTP protocol upload file slightly faster. But for the bulk and large file transmission may be powerless. Of course, it also has its advantages, if not like FTP, yo

point with a number to differentiate//note the use of \. To separate, instead of. string[] arr = new_path.split ("\;"); String new_path1 = arr[0] + count + "." + arr[1]; File1.renameto (New File (NEW_PATH1)); //is a file, so start copying Files Filecopybybufferstreamarray (File.getabsolutepath (), new_path); else if (File.isfile () !file.getabsolutepath (). EndsWith (File_type)) {//Note that this method body does not write anything, it does not do processing} else {for (i NT i = 0; i File r

Package com; Import java. Io. bufferedinputstream;Import java. Io. bufferedreader;Import java. Io. file;Import java. Io. fileinputstream;Import java. Io. filenamefilter;Import java. Io. ioexception;Import

Elasticsearch supports batch addition or deletion of index documents. In Java APIs, bulkrequestbuilder is constructed, batch index/delete requests are added to bulkrequestbuilder, and bulkrequestbuilder is executed. The following is an example: Import static Org. elasticsearch. common. xcontent. xcontentfactory. *; bulkrequestbuilder bulkrequest = client. prepare

Before the use of the Web development is myeclipse, but only used people know that because of its plug-ins too much, and there are many plug-ins do not touch the function. So, once the project is a little bit larger will be very card, although it has been optimized before, but still feel less useful. Today, there is nothing to do, decided to try the most original method, using Notepad +tomcat for development. Although the efficiency is not very high, but familiar with the most basic of some oper

Tags: java mysql batch processingEssentially, the Addbatch () method using statement and PrestatementCodeImport java.sql.*;p ublic class getconnection{public static void Main (string[] args) {access2database adb=new Access2database (); Connection conn=adb.getconn ();//transaction dealingpreparedstatement Pstam=null;try{conn.setautocommit (false); String sql= "INSERT into student (Name,major,score) values (?

How to batch clear temporary system files (languages: C #, C/C ++, php, python, and java ), Language competition has been around for a long time. I will do some I/O experiments (traverse more than 9 GB files and delete them in batches) below to compare who is better and who is worse with the facts. OS: win7 64-bit, file package size: 9.68 GB. I. Language: C # Development Environment: V. S. 2013 Total number

folderOldfilename =Files[i]; //if it is not a file that starts with a specific form, skip it if(!oldfilename.contains ("[Thunder Download www.2tu.cc]")) Continue; /*** Regenerate modified file name * I am here unified will "[Thunder download www.2tu.cc] Love Apartment ep02.03.rmvb" * modified to "love apartment second quarter -03.rmvb" */NewFileName= "Love Apartment second season"; NewFileName+ = Oldfilename.substring (Oldfilename.indexof ("P") +3, Oldfilename.length

maintain the results of executor processing Public void Count2 () throws Interruptedexception, executionexception{ Executorservice exec = Executors.newcachedthreadpool (); completionservicenew executorcompletionservice for (int i=0; i; i++) { Execcomp.submit (Gettask ()); } int sum = 0; for (int i=0; i; i++) { //Retrieve and remove the future that represents the next completed task, and wait if no such task exists at this time. future Sum + = Future.get (); } Syste

Application Scenarios:I developed an application that was carved into a CD with the JRE and provided to the user that the user simply double-clicks the batch file to run without needing to install the JRE himself.The directory organization structure is as follows:Client|-images|-jre|-lib|-myapp.jar|-appsettings.properties|-start.batThe contents of the batch file. Start.bat@echo offSet Path=%cd%\jre\bin%PATH