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Using "this" Keyword to Represent Current Object
This section provides a quick description of the 'this' keyword, which represents the current object in object method. A tutorial example is provided on how to access properties and methods of the current object.
2022-10-01, ∼417🔥, 0💬

XPath (XML Path) Language
This chapter provides tutorial notes and example codes on XPath (XML Path). Topics include introduction of XPath (XML Path); datatypes: Boolean, number, string and node set; evaluation context; expression and location path; using XPath in XSLT.
2022-10-01, ∼417🔥, 0💬

Archived: GC Test - Client vs. Server
This section provides a tutorial example on testing garbage collection by comparing performances between HotSpot Server VM and HotSpot Client VM.
2022-10-01, ∼417🔥, 0💬

Starting and Stopping MySQL Server
Tutorial examples on how to start and stop MySQL 8.0 server by openning the MySQL80 Windows service from the Control Panel.
2022-10-01, ∼417🔥, 0💬

"-XX:+PrintGC" - GC Logging Option for Short Messages
This section describes the garbage collection logging option, '-XX:+PrintGC', which prints a shot message after each garbage collection is done.
2022-10-01, ∼417🔥, 0💬

Young Generation Collectors - Serial, PS, ParNew, G1
This section describes Garbage Collectors used for the Young generation: Serial, Parallel Scavenge (PS), Parallel New (ParNew), and Garbage First (G1).
2022-10-01, ∼417🔥, 0💬

Cockpit - Web Portal for Administrator
This chapter provides introductions and tutorial on Cockpit, a Web portal for Linux administrators. Topics include introduction of Cockpit; installing and configuring Cockpit; removing 'Web console' welcome message.
2022-10-01, ∼417🔥, 0💬

Move /home Directory to New Partition
This section provides a tutorial example on how to move /home directory to a new partition when it runs out of space. A better solution is to extend its file system.
2022-10-01, ∼417🔥, 0💬

JDBC Driver Connection URL
This section describes the connection URL format and how to create connection objects with the DriverManager class.
2022-10-01, ∼417🔥, 0💬

macOS Mail Auto Configuration
This section provides a tutorial example on how to configure macOS Mail to automatically detect and select POP and SMTP services from the mail server.
2024-04-06, ∼416🔥, 0💬

Big5 > Unicode 轉換: 特殊符號 - 第 A1 行
本節列出了 Big5 到 Unicode 代碼轉換表中「特殊符號」的第 A1 行。
2024-01-31, ∼416🔥, 0💬

Getting Personal Certificate Signed by CAcert.org
This section provides a tutorial example on how to submit a CSR (Certificate Signing Request) to CAcert.org to get a free personal certificate for an email address.
2022-10-01, ∼416🔥, 0💬

What Is C Language
This section provides a quick introduction of C language, a general purpose and procedural programming language that supports memory address pointers and dynamic memory allocation.
2022-10-01, ∼416🔥, 0💬

mysqld - The MySQL Server Program
A quick introduction on the MySQL server daemon program, 'mysqld'. If MySQL service is installed as a Windows service, there is no need to run 'mysqld' directly.
2022-10-01, ∼416🔥, 0💬

What Is "character" Formatting Object?
This section describes 'character' formatting object, which is an inline-level formatting object that represents a single character on the output device.
2022-10-01, ∼416🔥, 0💬

What Is SMILES
This section provides a quick introduction of SMILES (Simplified Molecular-Input Line-Entry System), which is a specification in the form of a line notation for describing molecule structures using short ASCII strings.
2022-10-01, ∼416🔥, 0💬

Change Display Command on Open Babel GUI
This section provides a tutorial example on how to change structure display command on Open Babel GUI to use Google Chrome browser.
2022-10-01, ∼416🔥, 0💬

Create Copay Wallet Backup
This section describes how to create Copay wallet backup.
2023-01-31, ∼415🔥, 1💬

💬 2023-01-31 alex: Hello everyone, Speedy recovery are the only true and guaranteed cryptocurrency recovery professionals. I want to tell you about...

java.time.Instant Usage Examples
This section provides a tutorial example on how to use the java.time.Instant class to capture the current time, and to retrieve Epoch-Second value and Nanosecond-of-Second value. The system clock on Windows only supports millisecond resolution.
2022-10-01, ∼415🔥, 0💬

Perl Crypt::CBC Module
Tutorial notes and example codes are provided on Crypt::CBC Perl module. Topics include introduction and installation of Crypt::CBC; Encryption options, Literal Key, Salted Key and Random Salt; Padding options; Test Vectors.
2022-10-01, ∼415🔥, 0💬

Crypt::CBC Encryption with Crypt::Blowfish Objects
A tutorial Perl example is provided to show how to use Crypt::CBC to perform encryption with a predefined Crypt::Blowfish a give IV value, which allows you to specify secret keys in the range of 8 bytes (64 bits) and 56 bytes (448 bits).
2022-10-01, ∼415🔥, 0💬

What Is MetaMask
This section describes what is MetaMask - a browser based Ethereum light wallet.
2022-10-01, ∼415🔥, 0💬

"nettop" - Processes Top Network Usages
This section provides a tutorial example on how to use the 'nettop' command to display running processes sorted by top usages of network resources.
2022-10-01, ∼415🔥, 0💬

keytool - Public Key Certificate Tool
This chapter provides notes and tutorials on the public key certificate management tool, 'keytool'. Topics include introduction of certificates and 'keystore' files, list of 'keytool' commands, generating private and public key pair, importing and exporting certificates.
2022-10-01, ∼414🔥, 0💬

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