Ethereum Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Ethereum and blockchain. Topics include Blockchain, Ethereum, Cryptocurrency, Mining, MetaMask, Wallet. 2018-03-11, 251👍, 1💬
Creating a Digital ID and Sign Word Documents
This section provides a tutorial example on how to create a your own digital ID and use it to add a digital signature to a MS Word 2007 document. 2018-03-25, 164👍, 2💬
Managing Non-ASCII Character Strings with MySQL Servers
This chapter provides tutorial examples and notes about handling non-ASCII characters with MySQL server. Topics include storing non-ASCII characters in MySQL database with various character set encodings; managing encoding conversion when inserting data to and retrieving data from database; examples... 2018-03-16, 164👍, 3💬
AS3Compile - ActionScript 3 Compiler
This chapter provides tutorial notes and example codes on AS3Compile - An ActionScript 3 compiler developed by the SWFTools team. Topics include compiling ActionScript 3 file with 'AS3Compile' command; extending flash.display.MovieClip class to build a Flash file; adding graphics and texts in MovieC... 2016-01-31, 164👍, 1💬
What Is ResultSet?
This section describes what is a ResultSet object. 2017-07-03, 162👍, 1💬
2-Step Message Encryption - Symmetric and RSA
This section describes how SoapUI performs the SOAP message entryption in 2 steps: encrypt the SOAP message with random secret key and encrypt the secret key with receiver's RSA public key. 2017-12-31, 160👍, 1💬
Perl Crypt::Blowfish Module
Tutorial notes and example codes on Crypt::Blowfish Perl Module. Topics include introduction of Crypt::Blowfish; Download and installation; Behavior tests; Test vector verification; Building 128-bit key test vectors. 2016-11-14, 159👍, 1💬
questionSearch - Usage Description
This section describes the free Web service questionSearch provided by Yahoo!. questionSearch allows you to obtain questions and answers from Yahoo! Answers database that match a given key words. 2016-05-18, 157👍, 1💬
Oracle Express Edition Installation on Windows
This chapter provides tutorial notes on Oracle Express Edition installation on Windows systems. Topics include downloading, installing and starting Oracle Database 10g Express Edition; access Oracle server through its Web interface; creating Oracle login user. 2015-09-11, 156👍, 1💬
java.time.Duration - Time Durations
This section describes the java.time.Duration class that represents a duration of time measured in seconds with fractions in nanosecond resolution. 2018-01-03, 155👍, 1💬
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, 155👍, 2💬
cgi-lib.pl - The Standard Library for CGI Scripts
This section describes the de facto standard library, cgi-bin.pl, for Perl CGI scripts. It also provides a tutorial on how to download and install cgi-bin.pl 2.18 to the Apache server on a Windows system. 2018-01-20, 152👍, 2💬
'jstack' - Stack Tracer to Generate Thread Dump
This section provides a tutorial example on how to use the 'jstack' tool to generate a thread dump (print all running threads and their stack traces). 2017-01-23, 152👍, 1💬
Option '-d' - Specifying Output Directory
This chapter describes the Java compilation tool 'javac'. Topics include listing of 'javac' options, specifying class path with '-classpath', specifying source path with '-sourcpath', processing 'import' statements, generating debugging information with '-g'. 2016-09-18, 150👍, 1💬
Introduction to DES Algorithm
This chapter provides tutorial examples and notes about DES (Data Encryption Standard) algorithm. Topics include description of block cipher, DES encryption algorithm, Round Keys Generation, DES decryption algorithm. 2018-01-22, 149👍, 2💬
U0180: Latin Extended-B
This section provides a quick summary of the Unicode code point block: 'Latin Extended-B', which contains 208 code points to represent historical Latin language characters. 2017-08-29, 148👍, 1💬
This section describes how to insert BLOB values as normal strings using INSERT statements.
This section describes steps to follow if you want to use the java.net.HttpURLConnecti onclass to se...
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.jav...
This section describes what is PKCS5Padding - a schema to pad cleartext to be multiples of 8-byte bl...
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