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Serial GC Tracing - Tenuring Threshold
This section provides a tutorial showing how Serial GC changes the tenuring threshold dynamically and promotes objects to 'tenured' generation earlier or later to Tenuring generation to meet the TargetSurvivorRatio setting.
2022-10-01, ∼440🔥, 0💬

Concurrent Mark-Sweep Collector GC Log Message Format
This section describes the log message format of HotSpot JVM Concurrent Mark-Sweep (CMS) Collector.
2022-10-01, ∼440🔥, 0💬

Big5 到 Unicode 轉換:一級漢字 - 第 AA 行
本節列出了 Big5 到 Unicode 代碼轉換表中一級漢字 - 第 AA 行。
2024-02-03, ∼439🔥, 0💬

jaotc - Java Ahead-Of-Time Compiler
This chapter provides provides a tutorial example on how to use 'jaotc' command to produce native code in the form of a shared library from Java bytecode files. But I didn't find any way to use the shared library.
2022-10-01, ∼439🔥, 0💬

JSON-to-XML Conversion Library for Java
This section provides a tutorial example on how to use a 'JSON-java' conversion library offered by json.org to perform JSON-to-XML conversions in Java program. The output JSON document is good, only if input XML document contains well structured data.
2022-10-01, ∼439🔥, 0💬

Declaring Complex Elements with Sub Elements Only
This section describes a tutorial example on how to declare an element that accepts only sub (child) elements without attributes and text content using a user define complexType datatype.
2022-10-01, ∼439🔥, 0💬

Variables, Loops and Cursors Used in Stored Procedures
This chapter provides tutorial notes on store procedures. Topics include declaring variables and assigning values to variables; IF statements; LOOP, REPEAT and WHILE statements; ITERATE and LEAVE statements; Using cursors to loop through output rows of SELECT statements.
2022-10-01, ∼439🔥, 0💬

MySQL Server Administration
This chapter provides tutorial notes on MySQL server administration. Topics include 'SHOW' statement to display all types of information; capturing and analyzing slow queries; suggestions on slow queries; troubleshooting server performance.
2022-10-01, ∼439🔥, 0💬

Margin Collapsed between Block Areas
This section provides a tutorial example showing margin-top of the second block is collapsed into margin-bottom of the first block.
2022-10-01, ∼439🔥, 0💬

Ethereum Blockchain
This chapter introduces what is Ethereum Blockchain.
2022-10-01, ∼439🔥, 0💬

What Is MetaMask
This section describes what is MetaMask - a browser based Ethereum light wallet.
2022-10-01, ∼439🔥, 0💬

Algebraic Description of Elliptic Curve Addition
This section provides an algebraic description of the problem of calculating the addition operation defined on an elliptic curve.
2022-10-01, ∼439🔥, 0💬

"ifconfig" - Trace Routes to Remote Host
This section provides a tutorial example on how to use 'ifconfig' command to view and manage network interface configurations.
2022-10-01, ∼439🔥, 0💬

Garbage Collection Logging Options
This section describes HotSpot JVM options to generate garbage collection log messages. '-XX:+PrintGCDetails' and '-XX:+PrintGCDateStamps' are two most important options.
2025-12-31, ∼438🔥, 1💬

Hamiltonian on Simple Pendulum Motion
This section provides an example of calculating the Hamiltonian on a mechanical system of an single object in simple pendulum motion and applying the Law of Conservation of Energy.
2022-10-19, ∼438🔥, 0💬

updateXXX() - Updating Column Values for Row Update or Insert
This section describes updateXXX() methods used to update column values for the current row for database update or the insert row for inserting a new row.
2022-10-11, ∼438🔥, 0💬

Commonly Used Character Sets and Encodings
This section provides a list of commonly used character sets and their encodings.
2022-10-01, ∼438🔥, 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, ∼438🔥, 0💬

1977 - The Bourne Shell Developed by Stephen Bourne
This chapter provides some history of Bourne Shell developed by Stephen Bourne in 1977 for Unix systems.
2022-10-01, ∼438🔥, 0💬

Creating a Visual C# 2010 Project
This section provides a tutorial example on how to create a Visual C# 2010 project for a console application.
2022-10-01, ∼438🔥, 0💬

Ways to Control Secret Key and IV
A quick explanation of different Blowfish cipher operation modes and different ways to control the secret key and the IV: literal key, salted key and random key.
2022-10-01, ∼438🔥, 0💬

"-XX:+PrintReferenceGC" - Reference Counts per GC
This section describes the garbage collection logging option, '-XX:+PrintReferenceGC', which prints object reference counts.
2022-10-01, ∼438🔥, 0💬

Adaptive Size Policy Log Messages
This section provides examples and explanations of log messages generated '-XX:AdaptiveSizePolicyOutputI nterval=1'and 'PrintAdaptiveSizePolicy' JVM options used with the Parallel collector.
2022-10-01, ∼438🔥, 0💬

"php -i" - Dump PHP Environment Information
This section provides a tutorial example on how to dump PHP environment information using the 'php -i' command. The output tells me where to go find different types of PHP program files.
2022-10-01, ∼438🔥, 0💬

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