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Constellations
This chapter provides brief introduction of constellations.
2022-10-01, ∼340🔥, 0💬

What Is UNIX
This section provides a quick introduction of UNIX operating system, a multi-tasking and multi-user operating system.
2022-10-01, ∼340🔥, 0💬

Java Supports Multi-Threading Programming
This section provides a quick demonstration of the multi-threading programming support in Java language.
2022-10-01, ∼340🔥, 0💬

MySQL Server Data Backups on CentOS
This section provides a tutorial example on how to create backups of MySQL databases and load it back to another MySQL server for MySQL 8.0 server on CentOS 8 systems.
2022-10-01, ∼340🔥, 0💬

Every Element Is Subgroup Generator
This section describes the fact that every element in an finite Abelian group is a subgroup generator. The order of the generated subgroup is the same as the order of the element.
2022-10-01, ∼340🔥, 0💬

Exporting Root Certificate to File from macOS
This section provides a tutorial example on how to export a trusted root CA certificate pre-installed on macOS computer into a certificate file in binary .cer format.
2022-10-01, ∼340🔥, 0💬

"obabel ... -o svg -xS" - Ball/Stick Depiction in SVG
This section provides a tutorial example how to generate a SVG picture of a molecule structure in ball-stick style using the Open Babel 'obabel ... -o svg -xS' command.
2022-10-01, ∼340🔥, 0💬

JDBC-ODBC - Running Queries on MS Access Database
This section describes how to run queries on MS Access database through the JDBC-ODBC driver.
2022-10-01, ∼340🔥, 0💬

Creating CallableStatement Objects with Parameters
This section describes how to create CallableStatement objects with IN and OUT parameters.
2022-10-01, ∼340🔥, 0💬

Running PHP Scripts on Linux Systems
This chapter provides introductions and tutorial examples about running PHP scripts on Linux systems. Topics include installing PHP engine on CentOS Linux systems; installing missing PHP modules; dumping PHP environment info; 'include' statements.
2022-10-01, ∼340🔥, 0💬

java.time.ZonedDateTime Usage Examples
This section provides a tutorial example on how to use the java.time.ZonedDateTime class to record and manipulate date and time local to specific timezones. Operations on java.time.ZonedDateTime objects respect ISO 8601 calendar rules and local timezone rules.
2022-10-01, ∼339🔥, 0💬

Updating Variables Who Share an Object
This section describes what is in an object variable - An object variable actually contains the object identifier that points to where the object is stored.
2022-10-01, ∼339🔥, 0💬

References
List of reference materials used in this book.
2022-10-01, ∼339🔥, 0💬

Performance of Calculating Prime Numbers
This section provides a tutorial example on how to measure the execution performance of a JSP page that does prime number calculation.
2022-10-01, ∼339🔥, 0💬

NDFDgenByDay - Usage Description
This section describes the free Web service NDFDgenByDay provided by weather.gov. NDFDgenByDay allows you to retrieve DWML encoded NDFD weather forecast data for a single location point in US.
2022-10-01, ∼339🔥, 0💬

What Is Sendmail
This section provides a quick introduction of Sendmail, a MTA (Mail Transfer Agent), that works other MTAs and MDAs (Mail Delivery Agents) to transfer and deliver emails.
2022-10-01, ∼339🔥, 0💬

Generating and Using .NET Library Files
This section provides a tutorial example on how to compile C# source code files into library files and use them as references when compile other source code files.
2022-10-01, ∼339🔥, 0💬

Date and Time Functions
Describes some commonly used date and time functions like, CURRENT_DATE(), CURRENT_TIME(), and EXTRACT().
2022-10-01, ∼339🔥, 0💬

JoinTable.sql - Example of Join Tables
This section provides tutorial examples on how different join operations work: CROSS JOIN, INNER JOIN, LEFT OUTER JOIN, RIGHT OUTER JOIN.
2022-10-01, ∼339🔥, 0💬

"-XX:+PrintGCApplicationConcurrentTime" - Application Running Durations
This section describes the garbage collection logging option, '-XX:+PrintGCApplicationConcur rentTime',which prints how much time it lasted when the JVM pauses the execution of the application for garbage collection or other JVM event.
2022-10-01, ∼339🔥, 0💬

Manage User Groups
This section provides a tutorial example on how to manage user groups. Use 'groupadd' to add new groups. Use 'usermod -g' to change user's primary group. Use 'gpasswd -a' assign supplementary group membership.
2022-10-01, ∼339🔥, 0💬

"obabel -o svg" - Molecule Picture in SVG
This section provides a quick introduction on Open Babel 'obabel -o svg' command to generate molecule picture in SVG (Scalable Vector Graphics) format.
2022-10-01, ∼339🔥, 0💬

Inserting CLOB Values with setString() Method
This section describes how to insert CLOB values with the PreparedStatement.setString() method.
2022-10-01, ∼339🔥, 0💬

JDBC (Java Database Connectivity) Introduction
This chapter provides a quick introduction about JDBC (Java Database Connectivity). Topics include overview of JDBC; versions of JDBC; JDBC driver types; database connection with DriverManager and DataSource; JDBC driver class and connection URL for DriverManager.
2022-10-01, ∼339🔥, 0💬

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