Java

1. Download Apache Latest POI version on Apache website: poi-bin-3.11-20141221.zip, unzip;Note Here is the binary distribution download, binary distribution is a jar package, the source distribution is a file containing the sources, you can open the

Regular expressions in many languages, such as Perl, PHP, Python, JavaScript, and JScript, support the processing of text with regular expressions, and some text editors implement advanced "search-and-replace" functionality with regular

since the beginning of school, has been living a busy life, life is very regular, but also very hard. The first time I came to Beijing Java training so long, I left home a long time, I began to feel very fresh, especially enjoy a person's feeling,

HashMap and HashSet are two important members of the Java Collection Framework, where HashMap is a common implementation class for the Map interface, and HashSet is a common implementation class for the Set interface. Although the interface

Java base64 encoding and decodingpublic static void Main (string[] args) throws Exception {String parm = "title= don't do this, &content= good";//Base64decoderst Ring paramBase64 = new Base64encoder (). Encode (Parm.getbytes ("Utf-8"));

Complement:Complement is also called the second complement, that is, the number as a bit inverse operation (that is, a complement or anti-code ), and then add 1, a negative number can be represented by the complement of its opposite numbers. The

Project to the Linux server, the server environment or data may be different from our local, this time we may need a remote breakpoint to debug, to see the value of each variable in the request process. Here our application server uses the tomcat5.5.

This article is after watching the http://blog.csdn.net/chaijunkun/article/details/7046343 practice a bit, for their own deepening the impression to write again.The jar package is downloaded with Firefox, where it is forgotten. When you write a file

This article is mainly to explain some of the basic knowledge of string data type, some messy, but are more important things, mainly refer to the information of people on the Internet. Original URL: http://dev.yesky.com/91/2309091.shtmlThe main

interface comparable and comparator differences and relationships1). Both are the implementation of the collection of elements in the comparison, sorting;2). Comparable is a collection of internally defined method implementation ordering, comparator

Code Structure Can be viewed on GitHub Com.zlshuo.selenium.nonaming.driver: Generate the appropriate driver for each browser Com.zlshuo.selenium.nonaming.driverinstance: Get Driverinstance instanceCom.zlshuo.selenium.nonaming.element: Get

Quiet for a long time (about three months), LZ "can't restrain" began to write Bo!Java coding in the Chinese problem is a commonplace problem, every time encountered in Chinese garbled LZ is either in accordance with previous experience, or is baidu.

What is it? JSTL ( JSP standard TAGLIBRARY,JSP Standards Tag Library is a continuous improvement of the open source JSP standard Tag Library, is a standard of sun, by the Apache Jakarta team to achieve and maintain. why not? Use The biggest goal of

Java how to get the Web root directory I have used two of the current:1. Get the directory where the class method is located intercept the root directoryGet its class directory in class Freemarkerutil//execute path

Springmvc uses cx-common to implement the verification code Function Please indicate the source of the post: http://blog.csdn.net/kouwoo/article/details/42675201 Springmvc configuration will not be detailed. Here we will post the code of the key

Acceleration Sensor Accelerometer The Android system supports powerful management services for sensors. The steps for developing sensor applications are as follows: (1) Call the getSystemService (Context. SENSOR_SERVICE) method of Context to obtain

DISCUZ official forum imitating development logs (2) and discuz logs Connect the log: http://www.cnblogs.com/gcs1995/p/4091159.html It has been almost two months since I briefly analyzed the project I wrote down. I have learned many new

Maven default cycle and plug-in, Maven default cycle plug-in Run cmd mvn archetype:generate -DgroupId=com.mycompany.app -DartifactId=my-app -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false   This archetype (Template) is a

2014 last day, so annoying! This problem has never been encountered! A lot of solutions have been found online! And no wifi !, 2014 wifi Org. hibernate. NonUniqueObjectException: a different object with the same identifier value was already

Java implements the function of exporting images or PDF files from FusionCharts charts Step 1: Introduce the FusionCharts file, the version used is: FusionCharts 3.2.1 (amount, shared version, you know, follow-up download link) support genuine,