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MongDB basic learning (7) -- [MongoDB for Java] Java operations on MongoDB and mongdbmongodb [MongoDB for Java] Java operations on MongoDB The developed products are constantly revised for financing purposes. From the first version to the latest version, we finally found tha

org.apache.tools.zip.ZipOutputStream*/public static void ZipFile (File inputfile,zipoutputstream ouputstream) {try {if (inputfile.exists ()) {/** if it is a directory, here is not to take action,* As for the packaging of the catalogue is under study */if (Inputfile.isfile ()) {FileInputStream in = new FileInputStream (inputfile);Bufferedinputstream bins = new Bufferedinputstream (in, 512);Org.apache.tools.zip.ZipEntryZipEntry entry = new ZipEntry (Inputfile.getname ());Ouputstream.putnextentry

Development ). XMLHttpRequest object An object You Want To Know may be the most unfamiliar to you, that is, XMLHttpRequest. This is a JavaScript Object. It is easy to create this object, as shown in Listing 1. Listing 1. Creating a New XMLHttpRequest object This object will be further discussed in the next article. Now you need to know that this is the object for processing all server communications. Befo

=Newftpclient (); Try { intreply; Ftp.connect (URL, port); //If you use the default port, you can connect directly to the FTP server using Ftp.connect (URL)Ftp.login (username, password);//LoginReply =Ftp.getreplycode (); if(!ftpreply.ispositivecompletion (Reply)) {Ftp.disconnect (); return false; } ftp.changeworkingdirectory (RemotePath);//Transfer to FTP server directoryftpfile[] fs =Ftp.listfiles (); Booleanftpfileexist=false; for(Ftpfile ff:fs) {String ffname=NewStr

1 Public Static voidMain (string[] args) {2 Doublen = 1, sum = 0;3 while(N ) {4sum + = 1/factorial (n);5n++;6 }7 System.out.println (sum);8 9 }Ten One Static DoubleFactorial (Doublem) { A if(m = = 1 | | m = = 0) { - retu

Batch download of network images and Java Network Images Based on java Yesterday, my friend encountered a requirement for a project. He needed to download thousands of Weibo emoticon images to a local disk and name them properly. Then, he gave me a bunch of Json data and asked me to handle it, no matter whether you are

application market (2048 aggregated version): http://zhushou.360.cn/detail/index/soft_id/1634607? Recrefer = SE_D_2048 % 20% E8 % 81% 9A % E5 % 90% 88 Download CocosEditor source code: Cocos2d-js source code please go to concentration camp download: http://blog.makeapp.co /? P = 523 Github version management-https://github.com/makeapp/cocoseditor-2048 In Github, Daniel provides versions in various langu

Installation instructions System Environment: centos-6.3Installation Method: rpm InstallationSoftware: jdk-7-linux-x64.rpm: Http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlPreparations (1) install centos with minimal installation. (2) introduce the 163 source. wget http://mirrors.163.com/.help/CentOS6-Base-163.repomv CentOS6-Ba

product environment and complementary libraries for developers, such as international libraries and IDL libraries.JDK also contains various example programs to demonstrate various parts of Java APIs. Official JDK downloadJDK1.5:Http://cds.sun.com/is-bin/INTERSHOP.enfinity/WFS/CDS-CDS_Developer-Site/en_US/-/USD/VerifyItem-Start/jdk-1_5_0_07-windows-i586-p.exe? BundledLineItemUUID = 1Y5IBe. moNgAAAEhQaQH6rQU OrderID = bjfabe. miUsAAAEhJaQH6rQU Produc

download progress when exiting the application and then entering, we need to use the SQLite technology to save the download progress of each thread, each time it is used for re-entry, data can be read from the database and then transferred to the thread, starting from the location where it previously stopped downloading. Below are some source code analysis: This is MainActivity.

Java multi-thread download implementation, java multi-thread implementation Copy codeThe Code is as follows: Package cn. me. test; Import java. io. InputStream; Import java. io. RandomAccessFile; Import java.net. HttpURLConnection; Import java.net. URL; /** * Multi-thread

is the names and one is the address of Maven. The main is the above several parameters.④-dependent maven TagsIt is important to note that the jar package naming rules: artifactid-version[-classifier].packagingEngineering of ⑤mavenPom.xml: a dependency used to define or add a jar packageSrc-main: for storing Java source filesSrc-test: for storing test casesTarget: This is the jar package used to generate the corresponding class file or release⑥eclipse

Apache php Mysql deployment (1) download and install apachemysqlPreface Recently, the company needs to develop a website with Special Requirements: it cannot use java and can only be deployed on Windows platforms. No way. You can only select the Apache + php + Mysql solution. I don't know if there are any better ones. It's good to hear about golang, but our proje

Install Java JDK 8 in CentOS 7/6. 5/6. 4 This tutorial describes how to install and configure the latest Oracle JavaJDK on servers CentOS7, 6.5, and 6.4. Although these steps should also apply to other RPM-based releases, such as RHEL7, 6.x, Scientific Linux6.x, and Fedora. First, run the update on your server. yum update Then, search for any installed JDK components on your system. rpm -qa | grep -E '^ope

", "Mozilla/5.0 (Linux; U; Android 1.5; en-US; SDK build/cupcake) applewebkit/528.5 + (khtml, like gecko) version/3.1.2 mobile safari/525.20.1 ");Values. Put ("icationicationpackage", getpackagename ());Values. Put ("icationicationclass", "helloworld ");Values. Put ("visibility", 1 );Values. Put ("mimetype", mimetype );Values. Put ("hint", filename );Values. Put ("Description", Uri. gethost ());Values. Put ("total_bytes", 1349528 );Values. Put ("desti

7. omnipotent VB: multithreading of VB (1) Author: bell Digress:Recently, I have written several series of "VB omnipotent". The original intention of this series of articles is to subvert the prejudice of many programmers on the "non-Object-Oriented" language "VB! Of course, I have expected that this statement will inevitably lead to the "Siege" of people who do not know the truth. However, I still want to

carry this random number.Second, change the security authentication in the Jessionid mechanism, to prevent the session attackSession hijacking attacks are usually the following:1 A malicious attacker accesses a webpage first, because the cookie is stored in the browser as a jsession ID, and even if the attacker does not log in, he can forge an address with a jsession ID and send it to the victim, such as http:// Example.com/login? Jessionid=qwerty2 V

Java transactions (7): java transactions I. Preface: Before writing this blog, we need to understand two concepts: local transactions and distributed transactions. Local transactions: only process a single data source, such as a single database. Distributed transactions: process multiple heterogeneous data sources. For example, a service operation contains JDBC a

In struts2, the commons fileupload component is used to Easily upload and download files. commons fileupload saves HTTP data to a temporary folder, then struts uses the fileupload Interceptor to bind the file to the action instance, so that we can operate the browser to upload the file as a local file. However, most of these examples need to be configured in struts. XML, it is more troublesome, fortunately, struts2 provides the struts2-convention-plug

latest Oracle JDK 7 (just a minor modification ). the installation instructions below only work for Oracle JDK. Let's begin! 1. download the latest Oracle JDK 7 from here(You must click "accept license" and then download the .tar.gz package for your computer architecture-jd