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, 185👍, 1💬
Introduction of ASP Objects
This section introduces ASP built-in run-time objects - 5 run-time objects are provided by the ASP programming interface: Request, Response, Server, Application, and Session. 2016-02-20, 753👍, 2💬
Literal Formats for Floating-Point
This section describes 2 literal formats for floating-point values: decimal and hex floating-point literals. The default floating-point literal data type is 'double'. 2016-02-19, 253👍, 1💬
File Handles and Data Input/Output
This chapter provides tutorial examples and notes about file handles and data input or output. Topics include using open() function to open file handles; using print() to output data; using to input data. 2016-02-19, 233👍, 2💬
Converting Perl Script to Executable Binary
This chapter provides tutorial examples and notes about converting Perl script files to executable binary files. Topics include Perl script conversion tools: PerlApp and Perl2Exe; installing Perl Dev Kit with PerlApp, running PerlApp to convert DirGrep.pl to DirGrep.exe. 2016-02-18, 921👍, 2💬
Bitwise Operations on "byte" Values
This section describes 4 types of bitwise operations, 'And', 'Or', 'Exclusive Or', and 'Complement' that applies on 'byte' values indirectly through 'int' values. 2016-02-17, 925👍, 1💬
"boolean" Datatype Values and Representations
This section describes the built-in primitive datatype, 'boolean' that represents 2 Boolean values of true and false. Whitespaces are allowed and removed. 2016-02-16, 107👍, 2💬
opendir() - Open Directory to Read File Names
This section describes Perl built-in functions, opendir() and readdir(), to open a file directory and read its file names and sub-directories. 2016-02-15, 241👍, 1💬
"choose" - The If...Else Element
This section describes the 'choose' element, which is used in the content of a 'template' element. The 'choose' element is a conditional statement that be used to put different output contents under different logical conditions. 2016-02-12, 236👍, 0💬
Accessing File System from JSP Pages
This section provides a tutorial example on how to access the file system from JSP pages using 3 different reference points: Current Directory, Physical Root Directory, and Virtual Root Directory. 2016-02-09, 113👍, 1💬
PHP SOAP Extension in PHP 5.3.1
This chapter provides tutorial notes and example codes on SOAP Extension in PHP 5.3.1. Topics include downloading and installing PHP 5.3.1; configuring SOAP Extension; reviewing SoapClient class and methods; calling RPC method based and XML document based Web services; rpc/encoded style requiring en... 2016-02-08, 120👍, 1💬
What Is SOAP?
This section provides a quick summary of SOAP protocol. 2016-02-07, 268👍, 0💬
Converting KeyStore Files to PKCS12 Files
This section provides a tutorial example on how to convert a KeyStore file to a PKCS12 file, because Windows 'Internet Options' can import keys and certificates from PKCS12, but not from KeyStore file. 2016-02-07, 1270👍, 2💬
PKI Tutorials - Herong's Tutorial Examples
This PKI (Public Key Infrastructure) tutorial book is a collection of notes and sample codes written by the author while he was learning PKI technologies himself. Topics include CA, Certificate, Crypt::SSLeay, C#, Digital Signature, Firefox, HTTPS, IE, Java, JSSE, KeyStore, keytool, MMC, .NET, OpenS... 2016-02-07, 5212👍, 1💬
This section describes the Base64 encoding algorithm with some simple encoding examples.
This section describes how to insert BLOB values as normal strings using INSERT statements.
This chapter provides tutorial notes on using the JDBC-ODBC Bridge driver with MS Access database. T...
This section provides a list of supported character encodings supported in Java. The list is generat...
This section describes how to download and install MySQL Connector/J (JDBC driver).