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Apache's POI project can be used to work with MS Office documents, and CodePlex has a. NET version of it. The POI project creates and maintains various Java APIs that operate on Ooxml and OLE2 file formats. Most MS Office is in OLE2 format. POI HSMF

Sometimes the text in the PDF cannot be copied, which may be because the PDF file is encrypted, but it can be read using PDFBox open source software.There is also a project----IText for creating PDF files.PDFBox There are two sub-items: Fontbox is a

Concept As a next-generation Web Standard, HTML5 has a number of compelling new features, such as canvas, local storage, multimedia programming interfaces, WebSocket, and so on. Today we'll take a look at the WebSocket, which is called "Web TCP."

C Read CSV file Copy Code code as follows: #include #include Char *trim (char *str){char *p = str;while (*p = = ' | | *p = ' t ' | | | *p = ' \ r ' | | | *p = = ' \ n ')p + +;str = p;p = str + strlen (str)-1;while (*p = = ' | | *p =

Core code: Copy Code code as follows: Set Fso=server.createobject ("Scripting.FileSystemObject") If FSO. FileExists (Server.MapPath ("Log.txt")) =true Then Set FIN=FSO. OpenTextFile (Server.MapPath ("Log.txt")) Temp=fin.readall

This article describes the WebSocket implementation principle and usage of go. Share to everyone for your reference, specific as follows: WebSocket is divided into handshake and data transfer phase, that is, the HTTP handshake + Duplex TCP

The closure of dynamic languages is an eternal topic. The convenience and quickness of closures in the coding process make the advocates of the dynamic language relish it, while static languages, especially the Java language fans, will come up with

[PHP] Application controller (i) The front-end controller has been able to centrally process requests and select the appropriate command in one place, but the command subclass object handles the assignment of the view itself. The ability to use a

In our work sometimes we need to convert a picture or PDF file to a Base64 encoding, and then download it from the server side to the local, where I enumerate the conversion methods between the two:Convert BASE64 encoding to PDF:/** * Description:

(a) WebSocket profileShort Connection : in the traditional HTTP protocol, the client and server side of the communication mode is a short connection, that is, the server side does not maintain a connection with the client, after the message is sent,