HttpsClient.java - HTTPS Client Test Program
This section provides a tutorial example on how to write a HTTPS client test program, HttpsClient.java. It sends a simple HTTP request page using the HTTPS protocol. 2015-11-20, 4308👍, 6💬
XML Tutorials - Herong's Tutorial Examples
This free XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself, an ideal tutorial guide for beginners. Topics include DOM, DTD, J2SDK, Java, SAX, Syntax, Templates, XML, XPath, XSD, XSL, XSLT, XSL-FO. 2017-10-15, 4280👍, 2💬
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit Little Endian) encoding for Unicode character set. UTF-16LE is a variation of UTF-16. 2017-04-08, 4168👍, 5💬
What Is SHA1 Message Digest Algorithm?
This section describes what is SHA1 (Secure Hash Algorithm 1) - a message digest algorithm which takes as input a message of arbitrary length and produces as output a 160-bit 'fingerprint'. 2017-12-09, 4064👍, 6💬
"bad decrypt:./crypto/evp/evp_enc.c:461" Error
This section provides a tutorial example on why OpenSSL 'pkcs12' failed with 'bad decrypt:./crypto/evp/evp_enc.c :461'error. The root cause is the key password different than file password. 2015-09-10, 4034👍, 1💬
"openssl pkcs8" Converting Keys to PKCS#8 Format
This section provides a tutorial example on how to convert a private key file from the traditional format into PKCS#8 format using the 'openssl pkcs8' command. Keys can still be encoded with DER or PEM with or without DES encryption in PKCS#8 format. 2016-04-12, 3960👍, 1💬
SQL Server CLOB (Character Large Object) - TEXT
This chapter provides tutorial notes on CLOB (Character Large Object) data types, TEXT, with SQL Server JDBC Driver. Topics include creating tables to store CLOB values in SQL Server server; inserting CLOB values with direct SQL INSERT statements, or PreparedStatement with setString(), setCharacterS... 2016-04-07, 3944👍, 1💬
'jstatd' - JVM Remote Monitoring Server
This section describes the JVM remote monitoring server 'jstatd' and its options. 'jstatd' are used to allow JVM monitoring tools 'jps' and 'jstat' to access local JVM processes from a remote machine. 2017-04-01, 3758👍, 6💬
addHeader() - Setting SOAPAction Header Line
This section provides a tutorial example on how to use the MimeHeaders class and the addHeader() method to add the SOAPAction header line for the final HTTP request. 2017-01-10, 3755👍, 2💬
Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include ActivePerl, data types, subroutines, debug, references, objects, open, binary, file, directory, DBM, MySQL, regular expression, RPC::XML, XML::Simple, S... 2017-10-06, 3685👍, 4💬
Table of Contents
This free VBScript tutorial book is a collection of notes and sample codes written by the author while he was learning VBScript himself, an ideal tutorial guide for beginners. Topics include Variant, Array, Function, Error Handling, Regular Expression, Dictionary, File System, Class, Object, IE Brow... 2016-05-23, 3661👍, 1💬
Java Tutorials - Herong's Tutorial Examples
This free Java book is a collection of notes and sample codes written by the author while he was learning Java himself. It covers topics related Java language core features and classes provided in the java.lang.* package: array, bit, byte, deadlock, expression, generic class, generic method, literal... 2016-03-05, 3655👍, 8💬
Table of Contents
This free book is a collection of notes and sample codes written by the author while he was learning Flash. Topics include ActionScript, ActiveX, classid, Flash, FFmpeg, OBJECT, Player, Plugin, Shockwave, SWF, SWFTools, Web. 2015-07-15, 3609👍, 1💬
Enable/Disable Services with "msconfig.exe"
This section describes a tutorial example on how to enable or disable a predefined service with the system configuration tool 'msconfig.exe'. 2016-06-27, 3507👍, 4💬
Using "adb logcat" Command for Debugging
This section describes how to use the 'adb logcat -v' command option to control the format of log entries. 'adb logcat -v long' dumps all data elements of each log entry. 2016-08-02, 3446👍, 2💬
UserInit - Winlogon Registry Key
This section provides a tutorial example on how to undo changes done by the PWS Trojan on the UserInit registry value under the HKLM\Software\Microsoft\Window sNT\CurrentVersion\Winlogon registry key. 2016-02-25, 3361👍, 2💬
This section describes how to connect to a DSN (Data Source Name) with JDBC-ODBC Bridge.
This chapter provides tutorial examples and notes on runtime error handling. Topics include the defa...
This section provides a tutorial example on how to a simple Java Swing program. SwingHello.java is m...
This section provides a tutorial example on how to download and install JDK 1.8.0 (Java SE 8), which...
This section describes steps to follow if you want to use the java.net.HttpURLConnecti onclass to se...