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Perl Programs and MySQL Servers
This chapter provides notes and tutorial examples on MySQL server and Perl programs. Topics include what software and modules are needed to run Perl programs to access MySQL servers; a sample Perl program that connects to a MySQL server.
2022-10-01, ∼467🔥, 0💬

"INSERT INTO" Statements
Describes how to insert data rows with INSERT INTO statements.
2022-10-01, ∼467🔥, 0💬

View Transaction Receipt
This section describes how to view transaction receipt.
2022-10-01, ∼467🔥, 0💬

Archived: Generate Hash for at ethereumfaucet.info
This section describes how to generate hash to mine Ether with ethereumfaucet.info.
2022-10-01, ∼467🔥, 0💬

Adaptive Size Policy Log Messages
This section provides examples and explanations of log messages generated '-Xlog:gc+ergo=debug' and '-XX:AdaptiveSizePolicyOutputI nterval=1'JVM options used with the Parallel collector.
2022-10-01, ∼467🔥, 0💬

Performance Impact of Chunk Size
This section provides tests to find out performance impact of the chunk size (number of objects created and released in a single test run). The throughput performance seems to be not impacted by the chunk size, if some throughput jumps are ignored.
2022-10-01, ∼467🔥, 0💬

What Is Cockpit
This section provides a quick introduction of what is Cockpit, a Web portal for Linux system administration.
2022-10-01, ∼467🔥, 0💬

Python on Linux Computers
This section provides tutorial examples and notes about using Python on Linux Computers. Topics include verifying Python installation; running Python scripts in different ways; installing older version of Python for old scripts.
2022-10-01, ∼467🔥, 0💬

"sys" and "os" Modules
This chapter provides introductions and tutorial examples about 'sys' and 'os' modules. Topics include using 'sys' and 'os' properties and methods; accessing Python system information; accessing operating system information; creating child processes; managing files and directories.
2022-10-01, ∼467🔥, 0💬

JdbcRowSet Query Statement with Parameters
This section describes how to define parameters in the query statement of a JdbcRowSet object.
2022-10-01, ∼467🔥, 0💬

Install MySQL Database Server on CentOS
This section provides a tutorial example on how to install MySQL 8.0 server on CentOS 8 systems using 'dnf/yum' as the package manager.
2022-10-01, ∼467🔥, 0💬

Crypt::ECB Encryption with No Padding
A tutorial example is provided to show how to use Crypt::ECB to perform encryption with no padding. The plaintext must be multiples of 8-byte blocks.
2022-09-07, ∼467🔥, 1💬

SSL Socket Communication Test
This section describes how to perform a SSL socket communication test with a SSL server socket test program, a SSL client socket test program, a pair of private key and public key, and a self-sign certificate of the public key.
2020-11-14, ∼467🔥, 1💬

DataFlex Web Service for Country Information
This chapter provides a quick introduction of free Web services 'DataFlex' provided by oorsprong.org with 21 operations to retrieve country information.
2024-01-21, ∼466🔥, 0💬

Morgan Fingerprint Generator in RDKit for FCFP
This section provides a tutorial on how to generate FCFP fingerprints with the Morgan Fingerprint Generator in the RDKit library.
2023-04-04, ∼466🔥, 0💬

Chinese Calendars: Year 1951 to 1960
This chapter provides Chinese calendars for 10 years from 1951 to 1960.
2022-10-09, ∼466🔥, 0💬

Minkowski Spacetime and Diagrams
This chapter provides an introduction of Minkowski spacetime and diagram. Topics include introduction of Minkowski spacetime model; events interval; Lorentz transformation; Minkowski diagram; demonstration of time dilation and length contraction in Minkowski diagram.
2022-10-05, ∼466🔥, 0💬

SOAP Data Model
This chapter describes what is SOAP data model.
2022-10-04, ∼466🔥, 0💬

DTD (Document Type Definition) - XML Validation
This chapter provides tutorial notes and example codes on DTD (Document Type Definition). Topics include writing an XML DTD validator using DOM and SAP interfaces; overriding error handler methods to print validation errors.
2022-10-01, ∼466🔥, 0💬

What Is HTTPS?
This section provides a quick introduction to HTTPS (Hypertext Transfer Protocol Secure) - A combination of HTTP (Hypertext Transfer Protocol) and SSL (Secure Socket Layer) or TLS (Transport Layer Security).
2022-10-01, ∼466🔥, 0💬

Loop Statements - "while", "for", and "do ... while"
This chapter provides tutorial examples and notes about loop statements. Topics include 'while, 'for', and 'do ... while' statements; examples of controlling code executions with loop statements.
2022-10-01, ∼466🔥, 0💬

popen() - Execute External Programs
This section provides a tutorial example on how to the popen() function to invoke an external program. The program's standard output, stdout, or input, stdin, is mapped to a file handle to reading or writing.
2022-10-01, ∼466🔥, 0💬

Hello.java API Document
This section provides a tutorial example of how to generated a Java API document for the Hello.java class with 'javadoc' command.
2022-10-01, ∼466🔥, 0💬

Labeled "break" Statements
This section describes labeled 'break' statement, which is a branching statement that transfers the control to the end of the labeled enclosing block statement.
2022-10-01, ∼466🔥, 0💬

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