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Bits, Bytes, Bitwise and Shift Operations
This chapter provides tutorial notes and tutorial examples on bits, bytes and bitwise operations. Topics include bits and bytes as storage units; 'byte' data type and (byte) casting; bitwise operations; shift operations.
2016-02-20, 968👍, 1💬

💬 2016-02-20 oopo: very good

DTD (Document Type Definition) Introduction
This chapter provides tutorial notes and example codes on DTD (Document Type Definition). Topics include introduction to DTD (Document Type Definition); using DOCTYPE statement to define an XML document type; specifying XML elements, attributes and entities declaration statements inside or outside X...
2016-02-20, 786👍, 2💬

💬 2016-02-20 Herong: Samir, Which part is bogus?

💬 2016-02-20 Samir Vaghmar: This is bogus. This is great.

Java Thread Deadlock Demo Program
This section provides a tutorial example of simple deadlock demo program, SimpleDeadLock.java, with 2 threads waiting for each other.
2016-02-20, 1615👍, 2💬

💬 2015-11-27 Herong: Rahul, I think your dump file is a correct thread dump. It provides you a list of threads in a text format. You can use any text...

💬 2015-11-26 Rahul: Hi, Thanks for nice article. when we use jstack or kill -QUIT / kill -3 to get thread dump , we always get the dump file which s...

"WinRAR" - RAR and ZIP File Compression Tool
This chapter provides an introduction of WinRAR. Topics include installing WinRAR 3.42, adding files and sub directories to RAR/ZIP files, extracting files from RAR/ZIP files, setting passwords to RAR files, setting Windows Explorer context menu for WinZip, running WinRAR in command line windows.
2016-02-20, 203👍, 0💬

SoapUI - SOAP Web Service Testing Tool
This chapter provides tutorial notes and example codes on SoapUI 5.0.0. Topics include SoapUI features; downloading and installing SoapUI 5.0.0; validating and importing SOAP based WSDL documents; creating and submitting test requests.
2016-02-20, 1155👍, 1💬

💬 2016-02-15 arun: hello how are you

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, 1042👍, 2💬

💬 2016-02-20 Herong: Divya, A meaningful comment should be more than just a ".". May be I need to add logic to reject comments that are less than 10 ...

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, 406👍, 1💬

💬 2016-02-19 Merit Campus: You can clear many of your doubts regarding Literals in Java through Merit Campus, visit: [URL removed]. Not only Literals, we a...

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, 305👍, 2💬

💬 2016-02-19 Herong: Thirumaran, Your answer is correct, only if the question is a+b=? ☺

💬 2016-02-15 ThirumaranM: a=6 b=2 so answer is 8

Commonly Used JDBC Class Methods
This section lists some commonly used JDBC classes and motheds.
2016-02-19, 3248👍, 2💬

💬 2016-02-19 Herong: Deepak, you can see all methods in the JDBC API document.

💬 2016-02-14 Deepak32536@gmail.com: can u you please show me all method List of JDBC

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, 1600👍, 2💬

💬 2016-02-18 Herong: Edgar, Thanks for sharing your script. I will test it and may include it in the next version of this book.

💬 2016-02-16 Edgar: # program to remove a leading UTF-8 BOM from a file # works both STDIN -> STDOUT and on the spot (with filename as argument) if ...

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, 1665👍, 1💬

💬 2016-02-17 javapadho.com: excelement expalin bitwise binary operator.. bitwise operator explain with leftshift,rightshift,rightshift with fill zero value ...

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, 321👍, 1💬

💬 2016-02-15 wewewe: meaningful robot bla bla bla

Floating-Point Data Types
This section describes value ranges and storage space sizes of floating-point data types: float and double.
2016-02-15, 485👍, 5💬

💬 2016-02-15 Herong: To Merit Campus, I have to remove links. Advertisement is not allowed in comments

💬 2016-02-15 Merit Campus: You can clear many of your doubts regarding data types in Core Java through Merit Campus, visit: [URL removed]. Not only data ty...

💬 2015-10-31 Herong: Page updated now. Thanks again, Raj.

💬 2015-10-24 Herong: Raj, good catch. It will be corrected later.

💬 2015-10-23 raj: Chief, second point should be "double" but it says "float"

Type Casting Compile and Runtime Error
This section provides a tutorial example on compilation time casting error and runtime casting exception.
2016-02-15, 105👍, 1💬

Integer Data Types
This section describes value ranges and storage space sizes of integer data types: byte, short, int, long and char.
2016-02-15, 302👍, 1💬

💬 2016-02-15 Merit Campus: You can clear many of your doubts regarding data types in Core Java through Merit Campus, visit: http://java.meritcampus.com/cor...

"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, 926👍, 0💬

Andre's Implementation of Base32 in PHP
This section provides a PHP implementation of the Base32 encoding algorithm by Andre DeMarre.
2016-02-11, 512👍, 1💬

💬 2016-02-11 apple: thx

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, 277👍, 0💬

Retrieving BLOB Values with getBlob() Method
This section describes how to retrieve BLOB values with the ResultSet.getBlob() method.
2016-02-07, 3188👍, 2💬

💬 2016-02-07 Herong: Karment, Good idea. Need to find some tools first...

💬 2016-02-06 karment: good program but why not by video

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, 1523👍, 2💬

💬 2016-02-07 Herong: Steve, Fully agree! I put it in command line, because it is easier to document. I will put a warning the tutorial.

💬 2016-02-07 Steve: Hi! No password in command line , please ! Can be read in history... Bad practice :(

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, 8262👍, 1💬

💬 2016-02-07 john: thanks!

Inserting BLOB Values with SQL INSERT Statements
This section describes how to insert BLOB values as normal strings using INSERT statements.
2016-02-06, 163👍, 1💬

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