Herong's Tutorial Examples

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... 2025-07-18, ≈13🔥, 3💬

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What is OFB (Output FeedBack) Operation Mode?
This section describes what is OFB (Output FeedBack) Operation Mode - each plaintext block is XORed with the current output block to be the ciphertext block. The current output block is the encrypted version of the previous output block. 2015-11-13, ∼3377🔥, 2💬

💬 2015-11-13 Ashish: Hello world!

GenerateBarCode - Usage Description
This section describes the free Web service GenerateBarCode provided by WebserviceX.NET. GenerateBarCode allows you to generate bar code images in formats of Code 128, Code 39, Code 93, EAN13, Supp2, UPC A, and more. 2015-11-11, ∼872🔥, 1💬

💬 2015-11-11 javier: thanksss

DES (Data Encryption Standard) Cipher Algorithm
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with block size of 64 bits. 2015-11-05, ∼5831🔥, 8💬

💬 2015-11-05 Herong: The Anh, good question. If your key is less than 64 bits, you can pad it with 0 or 1. Or use a hash algorithm to produce 64 bits...

💬 2015-11-04 The Anh: what if my key don't have enough bit?

💬 2015-11-04 Herong: Zaeem, take a look at the source code at Simple Cryptographer - Simple DES/AES Implementation in C#

💬 2015-11-03 zaeem: how to implement on windows form in c#

💬 2015-10-03 Herong: Mihir, what type of algorithm are you looking for?

(More comments ...)

Generating New RSA Key Pairs
This section provides a tutorial example on how to generate a new pair of RSA priviate key and public key using the OpenSSL command line tool. 2015-11-03, ∼1663🔥, 1💬

💬 2015-11-03 Juli: Thanks

Option Dialog Boxes
This chapter provides tutorial notes and example codes on option dialog box. Topics include creating and displaying message, confirmation, input and option dialog boxes; receiving input values from option dialog boxes; creating and display internal dialog boxes; creating option dialog box directly. 2015-11-02, ∼583🔥, 1💬

Sending and Receiving Cookies - Example
This section provides a tutorial example on how to set and send a cookie with the setcookie() function, and how to receive a cookie with the $_COOKIE array. 2015-10-31, ∼3163🔥, 1💬

💬 2015-10-31 asbak hussain: very useful thnks

Input Text Data from Web Forms
This chapter provides tutorial notes on input text data from Web forms. Topics include creating Web form; receiving input text data with PHP the $_REQUEST array; input text data in ASCII, Latin1 and UTF-8 encoding; entering Latin1 characters with Alt keycodes. 2015-10-29, ∼477🔥, 2💬

SslContextTest.java - javax.net.ssl.SSLContext Class Test
This section provides a tutorial example on how to write a simple program to test the java.net.ssl.SSLContext class. 2015-10-28, ∼1550🔥, 1💬

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, ∼107🔥, 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, ∼7090🔥, 2💬

💬 2015-10-23 Herong: Hi Derek, I think scrrun.dll is automatically loaded in Outlook. Try this in you macro: Set fs = CreateObject("Scripting.FileSys...

💬 2015-10-22 Derek: how do I give an outlook macro access to scrrun.dll?

Chinese Zodiac Animal Signs
This chapter provide some details of Chinese zodiac animal signs. 2015-10-22, ∼385🔥, 1💬

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, ∼704🔥, 4💬

💬 2015-10-21 George: Does anyone know how to tell IIS to NOT do this?

💬 2015-10-21 George: I believe it is IIS changing the contents

💬 2015-09-24 Herong: Hi Robert, you are probably right. I will compare it with the Apache server.

💬 2015-09-23 Robert: This is an issue in IIS, not php.

Processing Web Form Input in UTF-8
This section describes how to display a Web form and process form input data in UTF-8. 2015-10-20, ∼562🔥, 1💬

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, ∼401🔥, 1💬

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format. 2015-10-14, ∼1742🔥, 1💬

💬 2015-10-14 reza: this is greate

Validating a Certificate Path with OpenSSL
This section provides a tutorial example on how to perform validation of a certificate path with the 'openssl verify' command. 2015-10-14, ≈24🔥, 5💬

💬 2015-10-14 Herong: Karnan, if the issuer is a root CA, issuer certificate should be in your trusted certificate store. If the issuer is an intermed...

💬 2015-10-13 karnan: how to get issuer certificate

💬 2015-09-02 Liang: Thanks, Yang, This is a very helpful for understanding the basic concept of Crypto/SSL.

💬 2015-08-14 Chris: If you have to specify an intermediate as trusted, that means the intermediate is not qualified to be a signer.

💬 2015-08-12 Aleksandar Kostadinov: I see a strange thing: openssl verify -CApath . <(cd /tmp ; cat server.pem intermediate.pem) That does not work if interm...

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, ∼454🔥, 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, ∼1138🔥, 1💬

💬 2015-10-11 koloraza: mistratra betsaka fa tena tsra ny ataonao ry namamana

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, ∼565🔥, 2💬

💬 2010-11-19 Herong: Kim, I am not sure if you were talking about the opendir.pl script. If yes, reading the root directory can be done by: opendir(D...

💬 2010-11-18 Kim: I learned alot from your directory tutorials- how can I change this to read the root directory opposed to the default perl one?

"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, ∼3974🔥, 5💬

💬 2011-03-19 Jose Eduardo: Sorry for wasting your time, I think i got the solution... first i got the Date error because I change the order of the data ser...

💬 2011-03-19 Jose Eduardo: Yes, indeed... please, I don't know if it's a problem of wso2 cache of anything else, i've tried almost everything...

💬 2011-03-16 Herong: Jose, Are you referring to the error and fix discussed in "Unexpected subelement ..." Error from the Stub Class ?

💬 2011-03-16 Jose Eduardo: I saw your article about a "bug" on the client generated code of a web service at WSDL2Java Unexpected subelement Error from Stu...

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, ∼176🔥, 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, ∼1049🔥, 2💬

💬 2015-10-09 Herong: Eduardo, what texts are you referring to?

💬 2015-10-08 Eduardo: when I convert a swf file does not show the texts

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format. 2015-10-09, ∼1752🔥, 2💬

💬 2015-10-09 Herong: Rakesh, Welcome to the Perl world!

💬 2015-10-07 Rakesh Patowary: I am new in Perl scripting

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, ∼397🔥, 2💬

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