XML Tutorials - Herong's Tutorial Examples
This XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself. Topics include introduction to XML, DTD (Document Type Definition), XSD (XML Schema Definition), XPath (XML Path Language), XSL (Extensible Stylesheet Language), XSLT (XSL Transf... 2022-05-06, 10141👍, 3💬
JDBC-ODBC Bridge Driver - Flat Text Files
This chapter provides tutorial notes on using JDBC-ODBC Bridge to access data stored in flat text files. Topics include creating tab delimited data files; creating and configuring DSN for flat data files; running queries on flat files. 2015-10-27, 1576👍, 1💬
What Is scrrun.dll?
This section describes what is scrrun.dll - the Scripting Runtime DLL (Dynamic Link Library) provided by Microsoft with 6 classes: Dictionary, FileSystemObject, Drive, Folder, File, and TextStream. 2015-10-23, 5676👍, 2💬
Location: - Forcing the Browser to Redirect to Another URL
This section provides a tutorial example on how to insert the 'Location:' header line in a HTTP response to tell the browser to do a URL redirect - Send a HTTP request to the specified ULR immediately. 2015-10-21, 565👍, 4💬
Startup Programs Removal for Better System Performance
This chapter provides a quick introduction of system startup programs. Topics include system performance affected by startup programs, listing startup program with HijackThis, locations of startup program settings, removing startup program setting from Windows registry and startup folders. 2015-10-19, 166👍, 1💬
Cipher - Secret Key Encryption and Decryption
This chapter provides tutorial notes and example codes on the cipher process. Topics include the cipher process - data encryption and decryption; the cipher class, javax.crypto.Cipher; the cipher sample program and test results with Blowfish and DES encryption algorithms. 2015-10-13, 178👍, 1💬
Microsoft Management Console (MMC)
This section describes the Microsoft Management Console (MMC), which can be used to create a console to manage certificate stores on Windows systems. 2015-10-11, 774👍, 1💬
opendir.pl - Sample Program to Read Directories
This section provides a tutorial example on how to open the current directory using opendir() function and read its file names using readdir() function. 2015-10-10, 426👍, 2💬
"Unexpected subelement ..." Error from the Stub Class
This section provides a tutorial example on how to troubleshoot and resolve the 'Unexpected subelement ...' error occurred in the stub class. The root cause of the error is the namespace on sub elements of the response SOAP Body does not match what defined in the WSDL document. 2015-10-10, 3409👍, 5💬
Microsoft JDBC Driver - Query Statements and Result Sets
This chapter provides tutorial notes on running query statements and working with result sets with Microsoft JDBC Driver. Topics include creating statement objects; executing SQL query statements; retrieving ResultSet objects; looping through result set; obtaining field values from the result sets. 2015-10-09, 953👍, 2💬
SWF Files for Video and Audio Streams
This chapter provides tutorial notes and example codes on SWF files for video and audio streams. Topics include SWF file structure for video and/or audio streams; installing FFmpeg to manipulate video/audio streams; 'ffprobe' to view video/audio stream properties; 'ffplay' to play stream SWF files; ... 2015-10-09, 744👍, 2💬
Message Digest Algorithm Implementations in JDK
This chapter provides tutorial notes and example codes on message digest algorithm implementation. Topics include JCA (Java Cryptography Architecture) package; java.security.MessageDigest class; MD5 and SHA message digest program; message digest output comparison. 2015-10-06, 156👍, 2💬
Compiling C# Source Code Files
This chapter provides tutorial examples and notes on C# compiler options. Topics include compiling C# source code with multiple classes in a single source code file and multiple source code files; generating .NET library files. 2015-10-03, 510👍, 1💬
GROUP BY Clause of a SELECT Statement
This section provides tutorial examples on how to use the GROUP BY clause to aggregate orginal rows of the base table into group rows in a SELECT statement. 2015-09-27, 917👍, 1💬
What Is LWP::UserAgent?
This section describes what is LWP::UserAgent - a Perl class that helps you to prepare a HTTP request, send it to a Web server, then receive the HTTP response from the Web server. 2015-09-25, 169👍, 1💬
This section describes the Android application package (APK) file, which is really a ZIP archive fil...
This section provides a tutorial example on how to use the FFmpeg 'ffplay' command to play movie fil...
This section provides a tutorial example on how to use the saveWebArchive() method to save Web page ...
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data v...
新冠病毒疫苗有哪些种类？ 各种疫苗的工作机制是什么？ 各种疫苗有哪些特点？ 下面我们对这些问题进行初步的解答：...