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, 861👍, 3💬
Current Time in Milliseconds and Nanoseconds
This section provides a tutorial example on how to obtain the current time in milliseconds and nanoseconds using currentTimeMillis() and nanoTime() methods. 2017-08-09, 140👍, 1💬
printenv.pl - Testing Perl CGI Environment
This section provides a tutorial on how to modify the Perl CGI test script, printenv.pl, and run it to verify Apache 2 Perl CGI configuration. 2018-01-21, 139👍, 3💬
Using MD5 Message Digest in Java
This section provides a tutorial example on how to use MD5 message digest algorithm in Java. The JDK JCE package offers the MD5 algorithm through a generic message digest class, javax.security.MessageDigest. 2017-01-27, 137👍, 2💬
"Err.Number" and "Err.Clear()" - Error Code and Clear Method
This section provides a tutorial example on how to manage runtime errors properly with the error code, Err.Number, and the error clear method, Err.Clear(). 2016-06-29, 134👍, 1💬
"return" Statement and Return Value
This section provides a quick description on 'return' statements and return values. A tutorial example on how return values are passed back to calling expressions is provided. 2016-11-19, 132👍, 1💬
WSDL 2.0 Document Examples with SOAP Binding
This chapter provides WSDL 2.0 document examples with SOAP binding. Topics include Hello example; Reservation example with Multipart message exchange pattern examples; GetStockPrice with RPC message exchange pattern 2016-04-05, 132👍, 1💬
JFrame - Main Frame Class
This chapter provides tutorial notes and example codes on JFrame class. Topics include creating frames with sizes and locations; terminating program with its frame is closed; Listing AWT threads; displaying Chinese character on frames; drawing graphics on frames. 2016-03-13, 131👍, 1💬
Certificate X.509 Standard and DER/PEM Formats
This chapter provides tutorial notes and example codes on certificate content standard and file formats. Topics include X.509 standard for certificate content; DER encoding for certificate binary file format; PEM encoding for certificate text file format; exchanging certificates in DER and PEM forma... 2016-04-10, 130👍, 1💬
Illustration of DSA Algorithm: p,q=23,11
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with small prime modulus p=23 and prime divisor q=11. 2019-03-25, 129👍, 1💬
SimpleStringBuffer - My Implementation of String Buffer
This section provides a tutorial example on how to implement a simple string buffer class similar to the StringBuffer class included in the java.lang package. 2016-11-15, 129👍, 1💬
What Is Ethereum
This section describes what is Ethereum. 2019-06-17, 128👍, 2💬
Opening UTF-16 Text Files
This section provides a tutorial example on how to open a UTF-16 (Little-Endian with BOM) text file with Excel correctly by selecting the 'Windows (ANSI)' encoding option on the Text Import Wizard dialog box. 2016-01-19, 127👍, 2💬
MySQL - JBDC CallableStatement
This chapter provides tutorial notes on JDBC CallableStatement objects for stored procedures. Topics include CallableStatement overview; creating stored procedures with parameters and multiple result sets; using place holders in CallableStatement objects; register output parameters; retrieving multi... 2016-07-21, 123👍, 1💬
This section provides a tutorial example on how to convert a private key file from the traditional f...
This section provides a tutorial example on how to turn on Windows Defender for real-time protection...
This section provides a tutorial example on how to convert XML documents into pretty print format us...
This section describes how to download and install Java SE Development Kit (JDK) 8u45 on a Windows s...
This section provides a tutorial example on how to download and install JDK 1.6.2 (Java SE 1.6 Updat...