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Archived Tutorials
This chapter contains some archived tutorial notes and example codes from previous versions of this book.
2022-10-01, ∼444🔥, 0💬

"apkbuilder" Command - Packaging and Signing .apk File
This section describes that the 'apkbuilder' tool is used to package the .dex file with resource files into a .apk file and sign the .apk file. But no details on how the 'apkbuilder' tool is invoked.
2022-10-01, ∼443🔥, 0💬

Writing My First Java Program
This section provides a tutorial example on how to write, compile, and execute the first Java program with JDK 1.8.0.
2022-10-01, ∼443🔥, 0💬

Basic Rules of Using Non-ASCII Characters in HTML Documents
This section describes basic rules on how non-ASCII character strings should be managed at different steps to ensure localized text strings can be used in PHP script string literals and displayed correctly on the browser window.
2022-10-01, ∼443🔥, 0💬

Installing Website Server Certificate on Android Phone
This section provides a tutorial example on how to install Website server certificate on Android phone by receiving certificate an email attachment.
2022-10-01, ∼443🔥, 0💬

Local Variables - Examples
This section provides a tutorial example on how local variables behave inside and outside functions.
2022-10-01, ∼443🔥, 0💬

What Is Perl SOAP::Lite
This section describes the SOAP Perl implementation - SOAP:Lite and its features.
2022-10-01, ∼443🔥, 0💬

"New" Operator and "Nothing" Object
This section provides a tutorial example on how to define the Class_Initialize procedure to be called by the 'New' operator, and the Class_Terminate procedure to be called when the object lost its last reference.
2022-10-01, ∼443🔥, 0💬

Performance Comparison of String and StringBuffer
This section provides a tutorial example to do a performance comparison of 3 classes: String, StringBuffer, SimpleStringBuffer.
2022-10-01, ∼443🔥, 0💬

CPU Execution Time Shared by Multiple Threads - Test Output
This section provides the test output of a tutorial example on how to measuring CPU execution time allocated to threads with different setPriorities.
2022-10-01, ∼443🔥, 0💬

Garbage Collection and the gc() Method
This chapter describes the garbage collection supported provided by Java. Topics include unused objects, the JVM automatic garbage collection process, the garbage collection method gc() on the default Runtime object.
2022-10-01, ∼443🔥, 0💬

Logical Expressions and Conditional Statements
This chapter provides tutorial examples and notes on logical expressions and conditional statements. Topics include examples of logical expressions; 'if' statements and examples; 'switch' statements and examples.
2022-10-01, ∼443🔥, 0💬

Execution Environment Class
This chapter provides tutorial examples and notes on the execution environment class, System.Environment. Topics include descriptions on properties and methods of System.Environment; getting OS (Operating System) information; getting CLR (Common Language Runtime) information.
2022-10-01, ∼443🔥, 0💬

Assembling Intermediate Language Source Code
This section provides a tutorial example on how to use the .NET Intermediate Language assembler to assemble IL source code into bytecode and stored in a PE file.
2022-10-01, ∼443🔥, 0💬

Connection, Performance and Second Instance on Linux
This chapter provides introductions and tutorial examples about more advanced topics on running MySQL server on CentOS systems, including MySQL socket and TCP/IP connections; Opening firewall for MySQL connections; testing performance on INSERT statements; creating second server instance; moving dat...
2022-10-01, ∼443🔥, 0💬

Crypt::CBC Literal Key Error Cases
Error cases are provided on secret key size and IV size when using Crypt::CBC with the Literal Key option. Secret key must be 56 bytes long and IV must be 8 bytes long.
2022-10-01, ∼443🔥, 0💬

Files and Directories
This chapter provides introductions and tutorial on file and directory management. Topics include commands to search and find files, read text files in different ways, split, join and truncate files, compress and restore files, archive and extract filesm.
2022-10-01, ∼443🔥, 0💬

Inserting CLOB Values with setClob() Method
This section describes how to insert CLOB values with the PreparedStatement.setClob() method.
2022-10-01, ∼443🔥, 0💬

'int' and 'String' - Basic Data Types for Unicode
This section provides an introduction on basic data types for storing Unicode characters in the full range of U+0000 to U+10FFFF: 'int' for a single Unicode character; 'String' for a sequence of Unicode characters.
2022-10-01, ∼442🔥, 0💬

popen() - Execute External Programs
This section provides a tutorial example on how to the popen() function to invoke an external program. The program's standard output, stdout, or input, stdin, is mapped to a file handle to reading or writing.
2022-10-01, ∼442🔥, 0💬

Generate CSR (Certificate Signing Request) on macOS
This section provides a tutorial example on how to create a CSR (Certificate Signing Request) with auto-generated private/public key pair on macOS using Keychain Access.
2022-10-01, ∼442🔥, 0💬

Using Functions as "Function" Objects
This chapter provides introductions and tutorial examples on functions as objects. Topics include the built-in object type 'Function'; creating functions using the 'Function()' constructor; function instance and inherited properties and methods; 'function' statement and operator.
2022-10-01, ∼442🔥, 0💬

"jsp:useBean" Action Elements
This section provides a tutorial example on how to use the 'jsp:useBean' action element to initiate a JavaBean object into a JSP page. 'jsp:setProperty' and 'jsp:getProperty' action elements are used save and retrieve values to and from JavaBean objects.
2022-10-01, ∼442🔥, 0💬

c:set Action Tag
This section describes the c:set action tag in the JSTL Core library. c:set allows you to set the value of a scoped variable or a property of a target object.
2022-10-01, ∼442🔥, 0💬

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