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The Sun Sign and Horoscope
This section provides an quick introduction of the Sun sign in horoscope.
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Archived: mysql_connect() - Creating MySQL Connections
This section describes how to create an object to represent the connection to a MySQL server.
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References
List of reference materials used in this book.
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Insertion Sort - Java Implementation
This section provides a tutorial on how to implement the Insertion Sort algorithm in Java. An implementation diagram is also provided.
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"bf-ecb" Cipher on Multiple Blocks
A tutorial example is provided to show you how multiple plaintext blocks are encrypted in ECB operation mode. Each plaintext block is encrypted independently. The corresponding ciphertext is same, no matter where the plaintext block is located in the plaintext stream.
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"ncfb/nofb" for Block Chaining Ciphers
This section provides a tutorial example on how to use 'ncfb' and 'nofb' mode codes to perform standard block chaining cipher operations using the PHP Mcrypt mcrypt_encrypt() function with Blowfish algorithm.
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Which Wallet Is Better for Me
This section discusses which Bitcoin Wallet is better.
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Archived: blockexplorer.com - Bitcoin Block Explorer
This section describes what is lockexplorer.com.
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Delete/Untrust Certificates from macOS
This section provides a tutorial example on how to untrust (if delete is not possible) a certificate from macOS using Keychain Access.
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GCC - C/C++ Compiler
This chapter provides introductions and tutorial examples about GCC C/C++ compilers. Topics include installing GCC C/C++ compilers; GCC compilation steps and settings; 'g++ -I' for include header files; g++ -l' for static/dynamic library files; 'g++ -shared' for building shared object (dynamic libra...
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"obabel -... --..." - Generic Conversion Options
This section provides quick introductions on generic conversion options for the Open Babel 'obabel' command that apply to all formats.
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"uname" - Display System Information
This section provides a tutorial example on how to display operating system information using the 'uname' command on Linux systems.
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"tar -c" and "tar -x" - Create and Extract Archive Files
This section provides a tutorial example on how to use 'tar -c' command to compress multiple file and sub-directories into an archive file and use 'tar -x' command to extract files out of an archive file.
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Performance of Inserting Integers to MySQL Database
This section provides a tutorial example on how to test the performance of inserting integers into MySQL server database using PHP 'mysqli' functions. MySQL server is 100 times slower on my CentOS computer and macOS computer.
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Expressions, Operations and Type Conversions
This chapter provides tutorial notes and example codes on PHP expressions and operations. Topics include writing expressions with data literals, variables, and operations; bitwise, arithmetic, comparison, logical, string, and assignment operations; precedence of operations; data type automatic conve...
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What Is Object Serialization
This section describes what is object serialization - a process of converting an object into a binary string to be saved in a file, stored in database, passed to another system. The string representing the object can be converted back to a new object that has same property values as the original obj...
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"service" - Service Definition Element
This section describes 'service', a definition element that defines a service as one or multiple endpoints. An endpoint defines a binding to a communication address.
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Example - Variable Scope in Procedures
This section provides a tutorial example on validating scope of global variables in the main code and local variables in procedures.
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What Is a Session
This section describes what is a session - a concept to represent a series of HTTP requests and responses exchanged between a specific Web browser and a specific Web server.
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Using JavaBean without Import Element Error
This section describes the compilation error on a JSP page that uses a JavaBean without the 'page import' directive element to import the JavaBean class declared without package name.
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Schema and Schema XML Representation
This section describes what is a schema and what is a schema XML representation.
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Including Old Schema Documents - "include" Component
This section describes why and how to include an existing schema document and reuse its datatype definitions.
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GetInfoByState - Usage Description
This section describes the free Web service GetInfoByState provided by WebserviceX.NET. GetInfoByState allows you to retrieve ZIP codes for a given US state. City names, phone area codes and time zone codes are also included.
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Converting Area from Square Meter to Square Foot
This section provides a tutorial example on converting area value from square meters to square feet.
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