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Passing Parameters by Value or by Reference
This section provides a tutorial example showing that primitive parameters are passed by value and object parameters are passed by reference.
2022-10-01, ∼247🔥, 0💬

"Select Case" Statements
This section describes how 'Select Case' statements work. If one of the expected value in a case clause equals to the test value, the statement block in that case clause will be executed.
2022-10-01, ∼247🔥, 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, ∼247🔥, 0💬

OpenJ9 by Eclipse Foundation
This chapter provides tutorial notes and example codes on OpenJ9 JVM. Topics include downloading and installing OpenJ9; running Java programs on OpenJ9 JVM; memory footprint of OpenJ9 JVM; comparison of startup time and footprint between OpenJ9 and HotSpot.
2022-10-01, ∼247🔥, 0💬

Verify Installation of Xerces2
This section describes a tutorial example on how to verify the installation of the Xerces2 Java 2.11.0 XML Schema 1.1 Beta version by running a sample program dom.Counter.
2022-10-01, ∼247🔥, 0💬

Currency Exchange Rate - Usage Description
This section describes the free Web service, Currency Exchange Rate, provided by exchangeratesapi.io. It allows you to get the exchange rate between given currencies on the given date.
2022-10-01, ∼247🔥, 0💬

What Is Astronomy
This section describes what is astronomy.
2022-10-01, ∼247🔥, 0💬

The Ox - Chinese Zodiac Animal Sign
This section discuss about the Ox, the second Chinese zodiac animal sign.
2022-10-01, ∼247🔥, 0💬

mysqladmin - MySQL Admin Tool
This section describes how to use MySQL admin tool to check server status and other admin tasks.
2022-10-01, ∼247🔥, 0💬

Serial GC Tracing - Tight Heap
This section provides a tutorial on tracing how Serial GC works with a tight heap size.
2022-10-01, ∼247🔥, 0💬

"START /REALTIME" - Run JVM with Highest Priority
This section provides a tutorial showing how to use 'START /REALTIME' command to run JVM with highest priority on Windows systems.
2022-10-01, ∼247🔥, 0💬

Archived: 640/400/40MB Test on JRockit 28.2
This section provides a tutorial example on running GCTest2.java on JRockit 28.2.7 with 640MB memory limit and a 400MB base plus 40MB fluctuating memory usage with object size of 1.25MB.
2022-10-01, ∼247🔥, 0💬

Data Type - 'float' for Real Numbers
This section describes the 'float' data type, which using the double precision of floating-point number format defined in the IEEE 754 standard.
2022-10-01, ∼247🔥, 0💬

Big5 vs. Unicode
Big5 Character Set is a sub set Unicode Character Set. However the Big5 code point is mathematically unrelated to the Unicode code point for the same Chinese character.
2024-01-29, ∼246🔥, 0💬

DataFlex Web Service for Country Information
This chapter provides a quick introduction of free Web services 'DataFlex' provided by oorsprong.org with 21 operations to retrieve country information.
2024-01-21, ∼246🔥, 0💬

LWP-UserAgent-GET-Redirect.pl - Following HTTP Redirects
This section provides a tutorial example on how to send a GET request to a Web server, follow up with redirects, and dump request and response messages of all redirects.
2022-10-04, ∼246🔥, 0💬

Managing PHP Engine and Modules on macOS
This chapter provides tutorial examples and notes on managing PHP engine and modules on macOS systems. Topics include verify PHP installation on macOS.
2022-10-01, ∼246🔥, 0💬

Methods on the SoapClient Class
This section provides all methods that are available on the SoapClient class. The Web service operation (function) can be called directly as a regular function on the client object.
2022-10-01, ∼246🔥, 0💬

dictionary_dtd.xml - XML DTD Document Type Example
This section provides XML DTD document type example, dictionary_dtd.xml, which uses ELEMENT, ATTLIST, and ENTITY DTD statements to define a document type called 'dictionary'.
2022-10-01, ∼246🔥, 0💬

What Is Servlet
This section describes what is Servlet - A Java based technology that allows you to serve dynamic content with Java Servlet classes through a Web server.
2022-10-01, ∼246🔥, 0💬

Importing Unnamed Package Class Error
This section describes the compilation error on a JSP page that tries to use the 'page import' directive element to import a JavaBean class declared without package name.
2022-10-01, ∼246🔥, 0💬

Deriving New Simple Datatypes - "simpleType" Element
This section describes a tutorial example on how to define a simple datatype based on a built-in datatype by adding restriction facets.
2022-10-01, ∼246🔥, 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, ∼246🔥, 0💬

What Is a Stored Procedures
Describes what is a stored procedure - is an executable program that is stored in the database server.
2022-10-01, ∼246🔥, 0💬

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