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SquirrelMail Configuration on CentOS
This section provides a tutorial example on how to configure SquirrelMail on CentOS to integrate with local Postfix and Dovecot servers.
2022-10-01, ∼631🔥, 0💬

Archived: Creating Android Virtual Device (AVD)
This section provides a tutorial example on how to create an Android Virtual Device (AVD), which is an emulator configuration that lets you to model an actual Android device.
2022-10-01, ∼630🔥, 0💬

"dateTime" and Its Related Datatypes
This chapter provides notes and tutorial examples on 'dateTime' and its related datatypes. Topics include introduction of dateTime, dateTimeStamp, date, time, gYear, gMonth, gDay, gYearMonth, gMonthDay, duration, yearMonthduration and dayTimeduration datatypes; date and time seven-property model; sa...
2022-10-01, ∼630🔥, 0💬

Unicode 13.0 Character Samples
Some samples of characters added in Unicode 13.0 are provided here for the purpose of demonstration or performing browser testing.
2022-10-01, ∼629🔥, 0💬

JavaScript History and Versions
This section provides a quick description of JavaScript language specification standards, ECMAScript, JavaScript, LiveScript, JScript, and history of versions.
2022-10-01, ∼629🔥, 0💬

Archived: Downloading and Installing JDK 8
This section describes how to download and install Java SE 8 (JDK 7) on a Windows system.
2022-10-01, ∼629🔥, 0💬

Serial GC Tracing - Tenuring Threshold Controlled
This section provides a tutorial showing how to control Serial collector Tenuring threshold with InitialTenuringThreshold and MaxTenuringThreshold JVM options.
2022-10-01, ∼629🔥, 0💬

Keychain Access - Password Manager
This chapter provides tutorial notes and example codes on Keychain Access as the password manager on macOS. Topics include introduction of Keychain Access; locking and unlocking keychains; managing passwords in keychains, avoiding keychain access popup messages.
2022-10-01, ∼629🔥, 0💬

Visiting "https" Website with Mozilla Firefox
This section describes how Mozilla Firefox shows a lock icon when you visit an 'https' Website to provide you more security related information.
2022-10-01, ∼628🔥, 0💬

jcmd - The JVM Diagnostic Tool
This chapter provides tutorial notes on 'jcmd', the JVM Diagnostic Tool. Topics include list of local JVMs; list of diagnostic commands; running VM.* commands; running GC.* commands; generating heap dump and thread dump.
2022-10-01, ∼628🔥, 0💬

What Is a Statement?
This section provides an introduction of what is an expression. A data literal or a variable is a simple expression. A single operation or a group of multiple operations is a complex express.
2022-10-01, ∼628🔥, 0💬

ClassLoader Class - Class Loaders
This chapter provides tutorial notes and example codes on java.lang.ClassLoader class. Topics include JRE class loaders: Bootstrap, Extensions and System Class Loaders; using getSystemClassLoader().loadCla ss()to load classes explicitly; using 'verbose:class' option to see when and where classes are...
2022-10-01, ∼628🔥, 0💬

Validating Non-Conforming XML Documents
This section describes a tutorial example on how to see validation errors on a non-conforming XML document with the assigned XML Schema file (XSD) using XMLPad.
2022-10-01, ∼628🔥, 0💬

Ethereum Blockchain
This chapter introduces what is Ethereum Blockchain.
2022-10-01, ∼628🔥, 0💬

Introduction of Garbage Collectors
This chapter provides tutorial notes and example codes on garbage collectors. Topics include JVM memory management summary; Introduction of Generational Garbage Collector; Young and Tenured Heap regions; Eden and Survivor spaces; Mark-Sweep-Compact algorithm; Garbage collector variations.
2022-10-01, ∼628🔥, 0💬

Garbage Collection Demo Program
This section provides a tutorial example on watch how the garbage collection process works on HotSpot and other JVMs.
2022-10-01, ∼628🔥, 0💬

"-XX:SurvivorRatio" - Ratio of Eden and Survivor Space
This section describes the default 'new' ratio (size ratio of tenured vs. 'new' generation).
2022-10-01, ∼628🔥, 0💬

S/MIME and Email Security
This chapter provides tutorial notes and example codes on S/MIME. Topics include introduction of S/MIME (Secure/Multipurpose Internet Mail Extensions); email message examples with digital signatures; examples of encrypted emails; S/MIME support in MS Office Outlook 2007; S/MIME support in Gmail.
2022-10-01, ∼626🔥, 0💬

Archived: JDK 1.3 Bug - Memory Leak With Unstarted Threads
This section describes a reported bug for JDK 1.3 that unstarted thread objects cause memory leak.
2022-10-01, ∼626🔥, 0💬

MySQL System Variables for InnoDB Engine
This section describes some important MySQL system variables that control the behavior of the InnoDB storage engine.
2022-10-01, ∼626🔥, 0💬

Create New PV (Physical Volume)
Describes what is a PV (Physical Volume) - a single physical hard disk, or a partition of a hard disk, to be managed by the LVM (Logical Volume Manager). A tutorial example is given on how to create a new PV.
2022-10-01, ∼626🔥, 0💬

Built-in Datatypes Lexical Representation Examples
This section provides lexical representation examples for some commonly used built-in datatypes.
2022-10-01, ∼625🔥, 0💬

Disassembling Intermediate Language Bytecode
This section provides a tutorial example on how to use the .NET Intermediate Language disassembler to disassemble IL bytecode stored in a PE file back to IL source code.
2022-10-01, ∼625🔥, 0💬

Threads to Run Instance Methods
This section provides a tutorial example on how to use a thread to run instance method.
2022-10-01, ∼625🔥, 0💬

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