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keytool - Public Key Certificate Tool
This chapter provides notes and tutorials on the public key certificate management tool, 'keytool'. Topics include introduction of certificates and 'keystore' files, list of 'keytool' commands, generating private and public key pair, importing and exporting certificates.
2022-10-01, ∼409🔥, 0💬

Monitoring Trigers on jmc JMX Console
This section provides a tutorial example on how to use JVM monitoring triggers provided by the MBean Browser on jmc JMX Console.
2022-10-01, ∼409🔥, 0💬

Archived: Downloading and Installing Axis2/Java 1.4.1
This section provides a tutorial example on how to download and install Axis2/Java 1.4.1 to a Windows systems that has JDK 1.6.0 available.
2022-10-01, ∼409🔥, 0💬

Sub (Subroutine) Procedure Example
This section provides a tutorial example on how to use a subroutine procedure. A 'Call' statement should be used to invoke a subroutine procedure.
2022-10-01, ∼409🔥, 0💬

Simple Element Types with Extended Data Types
This section describes simple element types using data types extended from XML Schema built-in data types. Data types can be extended with restrictions, union or list operations.
2022-10-01, ∼409🔥, 0💬

java.lang.Runtime Class - The JVM Instance
This chapter provides tutorial notes and example codes on java.lang.Runtime class. Topics include the JVM instance class, Runtime; obtaining JVM memory usage; running Garbage Collector explicitly; initiating the shutdown sequence; running operating system commands; loading Windows DLL codes.
2022-10-01, ∼409🔥, 0💬

What Is C Language
This section provides a quick introduction of C language, a general purpose and procedural programming language that supports memory address pointers and dynamic memory allocation.
2022-10-01, ∼409🔥, 0💬

Starting and Stopping MySQL Server
Tutorial examples on how to start and stop MySQL 8.0 server by openning the MySQL80 Windows service from the Control Panel.
2022-10-01, ∼409🔥, 0💬

Crypt::CBC Encryption with Crypt::Blowfish Objects
A tutorial Perl example is provided to show how to use Crypt::CBC to perform encryption with a predefined Crypt::Blowfish a give IV value, which allows you to specify secret keys in the range of 8 bytes (64 bits) and 56 bytes (448 bits).
2022-10-01, ∼409🔥, 0💬

What Is MetaMask
This section describes what is MetaMask - a browser based Ethereum light wallet.
2022-10-01, ∼409🔥, 0💬

Send Ether from MetaMask to Private Network Failed
This section describes the error occurred with sending Ether from the MetaMask account to my Ether private network.
2022-10-01, ∼409🔥, 0💬

What Is Ethereum Account
This section describes what is an Ethereum Account.
2022-10-01, ∼409🔥, 0💬

java.time.Instant Usage Examples
This section provides a tutorial example on how to use the java.time.Instant class to capture the current time, and to retrieve Epoch-Second value and Nanosecond-of-Second value. The system clock on Windows only supports millisecond resolution.
2022-10-01, ∼408🔥, 0💬

Importing Declarations Across Namespaces - Examples
This section describes a tutorial example on how to import external namespaces and refer to element declarations from imported namespaces.
2022-10-01, ∼408🔥, 0💬

Perl Crypt::CBC Module
Tutorial notes and example codes are provided on Crypt::CBC Perl module. Topics include introduction and installation of Crypt::CBC; Encryption options, Literal Key, Salted Key and Random Salt; Padding options; Test Vectors.
2022-10-01, ∼408🔥, 0💬

Heap Memory Area and Size Control
This chapter provides tutorial notes and example codes on heap memory area. Topics include OutOfMemoryError exception; Heap memory area allocation limits; OutOfMemoryError comparison of HotSpot and JRockit.
2022-10-01, ∼408🔥, 0💬

"-XX:+PrintGC" - GC Logging Option for Short Messages
This section describes the garbage collection logging option, '-XX:+PrintGC', which prints a shot message after each garbage collection is done.
2022-10-01, ∼408🔥, 0💬

Cockpit - Web Portal for Administrator
This chapter provides introductions and tutorial on Cockpit, a Web portal for Linux administrators. Topics include introduction of Cockpit; installing and configuring Cockpit; removing 'Web console' welcome message.
2022-10-01, ∼408🔥, 0💬

HTTPS (Hypertext Transfer Protocol Secure)
This chapter provides tutorial notes and example codes on HTTPS (Hypertext Transfer Protocol Secure). Topics include introduction to HTTPS; HTTPS server and client test programs; testing HTTPS connection with IE browser.
2022-10-01, ∼407🔥, 0💬

Configuring and Sending Out Emails
This chapter provides tutorial examples and notes about sending emails. Topics include setting up Windows IIS as a SMTP mail server, configuring PHP to use mail() function, 'sendmail' program or SMTP/SMTPS protocols, write PHP scripts to send out emails with PHPMailer package.
2022-10-01, ∼407🔥, 0💬

Archived: Downloading and Installing PHP 5.0.4 for Windows
This section provides a tutorial example on how to download and install the PHP engine 5.0.4 on a Windows system.
2022-10-01, ∼407🔥, 0💬

Creating Service Client with WSDL 1.1 Document
This section provides a tutorial example on how to create a ServiceClient object with a given WSDL document, a service name and a port name defined in the WSDL document.
2022-10-01, ∼407🔥, 0💬

"soap12:fault" - Binding for SOAP Fault Details
This section describes 'soap12:fault', a SOAP extension element that specifies how the SOAP Fault Details should be constructed in a SOAP response message. 'literal' means no encoding.
2022-10-01, ∼407🔥, 0💬

String Concatenation Operation
This section provides a quick introduction of string concatenation operation, which joins the second string to the end of the first string.
2022-10-01, ∼407🔥, 0💬

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