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, 854👍, 3💬
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, 5062👍, 6💬
"for-each" - Looping through a Node Set
This section describes the 'for-each' element, which is used in the content of a 'template' element. The 'for-each' element is a loop statement that be used to repeat a block of output content over each node in a node set. 2017-04-09, 5025👍, 3💬
Java Swing Tutorials - Herong's Tutorial Examples
This free Java Swing tutorial book is a collection of notes and sample codes written by the author while he was learning Java Swing himself. It can be used as a tutorial guide for beginners or a reference book for experienced developers. Topics include AWT, button, Chinese, component, event, frame, ... 2016-09-04, 5022👍, 1💬
UTF-16, UTF-16BE and UTF-16LE Encodings
This chapter provides notes and tutorial examples on UTF-16, UTF-16BE and UTF-16LE encodings. Topics including encoding and decoding logics of UTF-16, UTF-16BE and UTF-16LE encodings; introduction of surrogate pairs; explanation of the use of BOM (Byte Order Mark). 2019-09-24, 4981👍, 4💬
Declaring Root Elements - "element" Element
This section describes a tutorial example on how to use the Element Declaration Component to declare the root element for a conforming XML document. 2018-08-29, 4872👍, 6💬
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, 4870👍, 4💬
"keytool" Commands and "keystore" Files
This chapter provides tutorial notes and example codes on the 'keytool' command. Topics include introduction of public key certificates, 'keystore' file, 'keytool' command; generating new keys and self-signed certificates; exporting and importing certificates; cloning certificates to share keys. 2015-11-23, 4857👍, 3💬
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, 4833👍, 2💬
javax.net.debug - Debugging SSL Socket Communication
This section provides a tutorial example on how to use JVM property, javax.net.debug, to turn on the SSL socket communication debug option. The debug output message can help you to know what exactly happens at the SSL layer. 2017-03-02, 4738👍, 2💬
DsaSignatureGenerator.java - Generating DSA Digital Signature
This section provides tutorial example on how to generate a digital signature for a message file with a DSA private key using the SHA1withDSA algorithm. 2017-03-13, 4666👍, 5💬
PHP Tutorials - Herong's Tutorial Examples
This free PHP tutorial book is a collection of notes and sample codes written by the author while he was learning PHP himself. It can be used as a tutorial guide for beginners or a reference book for experienced developers. Topics include PHP, array, CGI, CLI, class, cookie, database, directory, fil... 2017-07-22, 4626👍, 2💬
Drawing Graphics - Using paint() on Frame
This section provides a tutorial example on how to override the paint() method in the javax.swing.JFrame class to draw graphics (a rectangle) on the frame window. This solution is not recommended. 2018-11-04, 4586👍, 3💬
GetWeatherByZipCode - Usage Description
This section describes the free Web service GetWeatherByZipCode provided by WebserviceX.NET. GetWeatherByZipCode allows you to retrieve weather forecast information for next 6 days for any given ZIP code in USA. 2016-05-28, 4565👍, 4💬
"sc.exe" - A Command Line Tool to Manage Services
This section describes the Service Controller (SC) command line tool, sc.exe, which can be used to add new services, or to query, modify, start, stop and delete existing services. 2016-04-06, 4502👍, 1💬
Best Chinese Music - 中国经典音乐
This is a collection of best and well-known Chinese music works selected by the author. Key words include Chinese, Music, Classic, Best, Well-known, Song, Traditional, Modern, Download, Listen, 中国, 音乐, 歌曲, 经典, 传统, 现代, 下载, 收听. 2017-02-11, 4462👍, 2💬
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, 4442👍, 2💬
This section provides a tutorial example on how to download and install JDK 1.6.2 (Java SE 1.6 Updat...
This section provides a tutorial example on how to download and install Apache Tomcat 7 on a Windows...
Want to know when is the 2018 Chinese New Year day? Looking for Chinese calendars for 2018? Chinese ...
This section provides a tutorial example on how to use the 'keytool -export' command to export certi...
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data v...