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Data Types Supported in PHP
This section describes all 8 data types supported in PHP with a tutorial example showing how to use them: boolean, integer, float, string, array, object, resource, null.
2022-10-01, ∼502🔥, 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, ∼502🔥, 0💬

Calculating Memory Usage of an Array
This section provides a tutorial example on how to calculate memory usage of a large array.
2022-10-01, ∼502🔥, 0💬

Base32 Character Set Maps
This section describes some Base32 character set maps defined in RFC 3548 and RFC 2938.
2022-10-01, ∼502🔥, 0💬

UUID/GUID Generator
This chapter provides a quick introduction of the free Web service, UUID/GUID Generator. Topics include usage description of UUID/GUID Generator; request message sample; response message sample.
2022-10-01, ∼501🔥, 0💬

Abelian Group and Elliptic Curves
This chapter provides an introduction to Abelian Group, which can be expressed in the multiplicative notation or the additive notation. An Abelian Group and be defined on an elliptic curve using the 'rule of chord' operation.
2022-10-01, ∼501🔥, 0💬

Verify Merkle Root of 7 Transactions
This section describes how to verify the Merkle Root of 7 transactions in a Bitcoin block.
2022-10-01, ∼500🔥, 0💬

geth - Go Ethereum
This chapter introduces geth - Go Ethereum.
2022-10-01, ∼500🔥, 0💬

Archived: JDK 1.5 keytool - keystore File Tool
This section describes all commands supported in JDK 1.5 'keytool' tool to manage certificates stored in 'keystore' files.
2022-10-01, ∼499🔥, 0💬

Creating and Editing XML Schema Documents
This section describes a tutorial example on how to create and edit an XML Schema (XSD) document with XMLPad.
2022-10-01, ∼499🔥, 0💬

Copay - Bitcoin Wallet
This chapter introduces Bitcoin Wallet - Copay.
2022-10-01, ∼499🔥, 0💬

Mount USB Drive as File System
This section provides a tutorial example on how to mount the formatted partition of a USB drive on a Linux system as a file system.
2022-10-01, ∼499🔥, 0💬

Firefox Extension - Gmail S/MIME
This section describes the Firefox extension, Gmail S/MIME, which allows you to send/receive signed and encrypted emails in Gmail using Firefox.
2022-10-01, ∼498🔥, 0💬

Archived: Creating Certificates Console on Windows XP
This section provides a tutorial example on how to create certificates console as MMC (Microsoft Management Console) snap-in on a Windows system.
2022-10-01, ∼498🔥, 0💬

"php -help" - Command Line Options
This section provides a tutorial example on how to see all command line options supported by the PHP engine: php -help.
2022-10-01, ∼497🔥, 0💬

Archived Tutorials
This chapter contains some outdated tutorial notes and example codes from previous versions of this book.
2022-10-01, ∼497🔥, 0💬

Fortran 90 - Example Program Code
This section provides a simple example program code of Fortran 90 language.
2022-10-01, ∼497🔥, 0💬

Disabling a Root CA Certificate
This section provides a tutorial example on how to disable a root CA certificate in a certificate store using the certificates console on a Windows system.
2022-10-01, ∼496🔥, 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, ∼496🔥, 0💬

Data Properties of Bitcoin Block
This section describes data Properties of Bitcoin block.
2022-10-01, ∼496🔥, 0💬

Young Generation Collection - Minor GC
This section describes basic steps of a Young Generation Collection, also called a Minor GC. The Young Generation is divided into 3 areas: Eden, Survivor Space 'From' and Survivor Space 'To'.
2022-10-01, ∼496🔥, 0💬

JceSecretKeyTest.java - Secret Key Test Program
This section provides a quick tutorial example on how to write a sample program to generate a secret key for Blowfish, DES, or HmacMD5 encryption, save the secret key to a file, and read it back.
2022-10-01, ∼495🔥, 0💬

Features of UTF-8 Encoding
This section provides a quick summary of features of UTF-8 encoding. UTF-8 is very efficient for Western language characters.
2022-10-01, ∼495🔥, 0💬

String.toCharArray() Returns the UTF-16BE Sequence
This section provides tutorial example on showing that the output of toCharArray() is the same as getBytes('UTF-16BE') at the bit level.
2022-10-01, ∼495🔥, 0💬

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