Herong's Tutorial Examples

EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive and multiplicative notations; ... 2019-07-06, 904👍, 3💬

💬 2019-07-02 Eleftheria Drosopoulou: Hello Herong, Nice blog! I am editor at Java Code Geeks (www.javacodegeeks.com). We have the JCG program (see www.javacodegeeks....

💬 2019-01-01 Yale: Thank you!

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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, 1318👍, 1💬

💬 2015-10-27 Budiyanto: Thank's

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, 4336👍, 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, 167👍, 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, 501👍, 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, 199👍, 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, 166👍, 1💬

PDF Printing Version: WSDL Tutorials
Information on how to obtain the PDF version of this book for printing. 2015-10-14, 1084👍, 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, 18333👍, 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, 177👍, 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 XP systems. 2015-10-11, 631👍, 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, 363👍, 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, 2766👍, 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, 773👍, 2💬

💬 2015-10-09 Herong: Gonzalo, ¡Bienvenido!

💬 2015-10-09 Gonzalo Rosas: Muchas gracias por el aporte Dr. Me ayudó mucho.

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, 515👍, 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

Printable Copy - PDF Version
Information on how to obtain the PDF version of this book for printing. 2015-10-09, 905👍, 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, 156👍, 2💬

SOAP Message Structure
This chapter provides descriptions of SOAP message structures and sample messages. 2015-10-06, 181👍, 1💬

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, 397👍, 1💬

💬 2015-10-03 koko: good

About My Samsung Galaxy Tab 3 Mini Tablet
This section provides a tutorial example on how to view basic information on a Samsung Galaxy mini tablet, running Android 4.4.2. 2015-10-02, 563👍, 2💬

💬 2015-09-30 Herong: Antonia, you are welcome. Google translation of your comment: "As I can keep my current Minitab. Thank you."

💬 2015-09-29 Antonia Hernandez: Como puedo mantener mi minitab actualizada. Gracias

Built-in String Functions
This section provides a list of commonly used built-in string functions. 2015-10-01, 595👍, 1💬

💬 2015-10-01 Kalu khan: Very nice

Chinese Character String with Big5 Encoding
This section providing information on handling Chinese character string literals in Big5 encoding. 2015-09-29, 1430👍, 1💬

💬 2015-09-29 你好: 你好

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, 851👍, 1💬

💬 2015-09-27 Ravikumar: Good examples

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💬

JDK Documentation Installation
This section describes how to install JDK Documentation on your own machine. 2015-09-23, 904👍, 1💬

💬 2015-09-23 fritz: Thanks

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