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Generating Private Keys
This section provides a tutorial example on how to use the 'keytool -genkey' command to generate a pair of private key and public key. This command also generates a self-signed certificate from the key pair.
2022-10-15, ∼438🔥, 0💬

"obgen" - Generate Molecule 3D Structures
This section provides a quick introduction on the 'obgen' command provided in Open Babel package to generate molecule 3D structure.
2022-10-07, ∼438🔥, 0💬

Unicode 8.0 Character Samples
Some samples of characters added in Unicode 8.0 are provided here for the purpose of demonstration or performing browser testing.
2022-10-01, ∼438🔥, 0💬

Hello.php - My First PHP Script
This section provides a tutorial example on how to write the first PHP script, Hello.php, and run it with PHP CLI and PHP CGI.
2022-10-01, ∼438🔥, 0💬

Variables and Assignment Operations
This section describes what is a variable, variable names prefixed with $, 'set' and 'unset' states of a variable, assigning data to variables, var_dump($var) to print variable information.
2022-10-01, ∼438🔥, 0💬

"while" Loop Statements
This section provides a quick description of the 'while' loop statement.
2022-10-01, ∼438🔥, 0💬

"FileSystemObject" Objects to Manage File Systems
This section describes FileSystemObject properties and methods. A tutorial example is provided on how to create a folder, copy files, and get file information.
2022-10-01, ∼438🔥, 0💬

XSD Schema Validator on XML DOM Object - Errors
This section provides some errors from the XSD schema validation process on invalid XML files represented in Document objects using the JAXP API.
2022-10-01, ∼438🔥, 0💬

Use 'class' to Define Enumeration
This section provides a tutorial on how to define a set of enumeratin constants use a 'class' declaration statement.
2022-10-01, ∼438🔥, 0💬

"yearMonthDuration" Datatype Values and Representations
This section describes the built-in primitive datatype, 'yearMonthDuration' that represents durations of time in units of months in Gregorian calendar. Leading and trailing whitespaces are allowed and trimmed. 'yearMonthDuration' values can be stored as 'integer' values.
2022-10-01, ∼438🔥, 0💬

Complex Element Declaration
This chapter provides notes and tutorial examples on complex element declarations. Topics include declaring XML elements that includes or excludes text content, sub elements or attributes; defining complexType datatypes with simpleContent or complexContent using anyType as the base datatype.
2022-10-01, ∼438🔥, 0💬

Creating FileInfo Objects
This section provides a tutorial example on how to create a FileInfo object to represent a specific executable file using the FileInfo class constructor FileInfo(fileName).
2022-10-01, ∼438🔥, 0💬

mysql - The Client Tool for End Users
This section provides a quick introduction of mysql, the client tool for end users to manage their data on MySQL servers. You can run mysql on a remote system to create new databases and new tables, to insert, update or delete data from tables.
2022-10-01, ∼438🔥, 0💬

Bulk Changes on Large Tables
This chapter provides tutorial notes on bulk changes no large tables. Topics include general general guidelines for bulk changes; deleting records with simple conditions; deleting records that are not referenced.
2022-10-01, ∼438🔥, 0💬

String Literal Travel Path
This section providing information on how string literals in PHP scripts travel through various applications from you as a publisher to a user as a viewer of a Web page.
2022-10-01, ∼438🔥, 0💬

Steps and Components Involved
This section describes steps and application components involved in inputting Chinese characters through Web forms.
2022-10-01, ∼438🔥, 0💬

What is PHP Mcrypt Extension
This section describes the PHP Mcrypt Extension - a built-in PHP extension that allows to access the mcrypt library, which supports Blowfish and a number of other cipher encryption algorithms.
2022-10-01, ∼438🔥, 0💬

Object References and Garbage Collection
This chapter provides tutorial notes and example codes on Object References and Garbage Collection. Topics include object reference types; strong reference test program; final reference test program; dead objects with final references in heap; performance impact of final references.
2022-10-01, ∼438🔥, 0💬

Delete/Untrust Certificates from macOS
This section provides a tutorial example on how to untrust (if delete is not possible) a certificate from macOS using Keychain Access.
2022-10-01, ∼438🔥, 0💬

Function Statement and Function Call
This chapter provides introductions and tutorial examples on user defined functions. Topics include defining and calling a function; assigning calling arguments to function parameters; returning object to the calling code; local, enclosing and global variables; using built-in functions; using lambda...
2022-10-01, ∼438🔥, 0💬

"from module import member" Statement
This section provides a quick introduction of 'from module import member' statement, which imports a specific member of a given module.
2022-10-01, ∼438🔥, 0💬

Using ResultSetMetaData Objects to List All Fields
This section describes how to call the res.getMetaData method to obtain the ResultSetMetaData object, which can be used to list all fields in the result set.
2022-10-01, ∼438🔥, 0💬

Playing Sound with Sound Recorder
This section describes a tutorial on how to play back a sound track with the Sound Recorder.
2017-05-21, ∼438🔥, 1💬

Requirements for Supporting HTTPS on Apache
This section provides a brief summary of requirements on configuring the Apache HTTP Server to support the HTTPS protocol.
2024-04-12, ∼437🔥, 0💬

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