apache commons codec

[DAO] The DAO data layer code based on apache. commons. dbcp, commonsdbcp**************************************** ********************************* *** Original article: blog.csdn.net/clark_xu Xu changliang's column**************************************** ******************************** DAO code is mainly based on the dept (Department List) emp (employee information list) of scott, the default oracle user.

Concept DescriptionApache Commons CLI IntroductionDespite the rapid development of various human-computer interaction technologies, the most traditional command-line pattern is still widely used in various fields: from compiling code to system administration, the command line is favored by its simplicity and efficiency. Various tools and systems provide a detailed user manual, and some provide examples of how to develop it two times. However, there ar

Exception error: Caused by: Org. apache. commons. DBCP. sqlnestedexception: cannot create poolableconnectionfactory (the database is already in use by another process: Org. HSQLDB. persist. niolockfile @ 4a60a3da: Java. lang. exception: the process cannot access the file because another program has locked part of the file. : D:/Zhao/code/OTAs-ds-workspace/OTAs-ds-server/output/funambol/tools/hypersonic/data

Apache Commons Compress Multiple Denial of Service Vulnerabilities (CVE-2018-1324)Apache Commons Compress Multiple Denial of Service Vulnerabilities (CVE-2018-1324) Release date:Updated on:Affected Systems: Apache Group Commons

Apache Commons DbUtils User ManualApache Commons DbUtils user manual I. IntroductionDBUtils is a lightweight JDBC package. Its core feature is to encapsulate the result set on the basis of JDBC, the query result set can be directly encapsulated into a JavaBean to simplify the confusion and repetition of JDBC code.JDBC code development has many difficulties:1) the

OverviewDuring the operation of the project, some operations on the system resource consumption is large, such as the establishment of database connections, the establishment of REDIS connections, and so on, we want to create multiple connection objects at one time, and in the future when we need to use the created connection directly, to improve performance. The pool technology uses pool technology to improve application service performance by initializing some of the more resource-intensive ob

Inkfish original, do not reprint commercial nature, reproduced please indicate the source (http://blog.csdn.net/inkfish). Apache Commons Compress BZIP2 compression: (Source: Http://blog.csdn.net/inkfish) Package study.inkfish.compress; Import Java.io.BufferedInputStream; Import Java.io.BufferedOutputStream; Import Java.io.File; Import Java.io.FileInputStream; Import Java.io.FileOutputStream; Import java.io.

This article introduces how to use the Commons-fileupload.jar,apache Commons-fileupload.jar to realize the uploading function of the file by the example, the concrete contents are as follows The Apache Commons-fileupload.jar is placed under the web-inf\lib of the applicatio

The most recent development in the project needs to use the Send mail function, when the background timing task after processing to notify the caller. Java Mail API is more cumbersome to use, so here is the Apache Commons email, official website address: http://commons.apache.org/proper/commons-email/,Commons Email The