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Currency Exchange Rate - Usage Description
This section describes the free Web service, Currency Exchange Rate, provided by exchangeratesapi.io. It allows you to get the exchange rate between given currencies on the given date.
2022-10-01, ∼333🔥, 0💬

Cast Function
Describes the CAST() function, which can be used to convert a value of any datatype to any other datatype.
2022-10-01, ∼333🔥, 0💬

User-Defined vs. Stored Procedure Variables
This section provides a tutorial example to show you differences between user-defined variables and stored procedure variables: syntax, declaration and scope.
2022-10-01, ∼333🔥, 0💬

Permission Error on php-cgi.exe
This section describes the error of 'You don't have permission to access /cgi-bin-php/php-cgi.exe/hello .phpon this server.' It is caused by the syntax change in the PHP directory access permission configuration settings.
2022-10-01, ∼333🔥, 0💬

Heap Sort - Performance
This section provides a tutorial on how to measure the performance of the Heap Sort algorithm. My first Java implementation of Heap Sort is performing somewhere between O(N*Log2(N) and O(N*N) order levels.
2022-10-01, ∼333🔥, 0💬

Receive Bitcoin in My Test Wallet
This section describes how to check test transactions on my local peer.
2022-10-01, ∼333🔥, 0💬

GCPerfP99.java - Output Verification
This section provides tutorials to verify output from GCPerfP99.java test runs. System interrupts are successfully excluded from performance calculation.
2022-10-01, ∼333🔥, 0💬

Archived: 640/400/40MB Test on HotSpot Client 1.6
This section provides a tutorial example on running GCTest2.java on HotSpot Client JVM 1.6.0_45 with 640MB memory limit and a 400MB base plus 40MB fluctuating memory usage with object size of 1.25MB.
2022-10-01, ∼333🔥, 0💬

What Is Operation
This section provides a quick introduction operations. An operation is a sequence of lexical tokens in Python source code that invokes a predefined action on one or two data objects.
2022-10-01, ∼333🔥, 0💬

Discontinued: GetGMTbyCountry - Get GMT Information of a Given Country
This chapter provides a quick introduction of the free Web service, GetGMTbyCountry, returning the GMT time zone range of a given country.. Topics include usage description of GetGMTbyCountry; request message sample; response message sample.
2022-10-01, ∼332🔥, 0💬

Precision of Floating-Point Data Types - Test
This section describes testing results of precision comparison on floating-point data types: 'float', 'double', and 'decimal'
2022-10-01, ∼332🔥, 0💬

Partial Method Example
A tutorial example is provided on how to write the partial method definition in one partial class and the partial method signature in other partial classes.
2022-10-01, ∼332🔥, 0💬

Network Firewall Tools on CentOS
This section provides quick descriptions on 3 major network firewall tools, 'firewalld/firewall-cmd', 'nftables/nft', and 'iptables' on CentOS 8 systems.
2022-10-01, ∼332🔥, 0💬

"obabel ... -o svg" - Two "svg" XML Tag Levels
This section provides a quick introduction of two 'svg' tag levels used in the SVG XML source code generated by Open Babel 'obabel ... -o svg' command.
2022-10-01, ∼332🔥, 0💬

Python on macOS Computers
This chapter provides tutorial examples and notes about using Python on macOS Computers. Topics include verifying Python installation; running Python scripts in different ways; installing newer version of Python; using 'pip' to install Python additional packages.
2022-10-01, ∼332🔥, 0💬

"SELECT ... INTO" Statements
This section describes how to create a table and insert data rows with a special SELECT statement.
2022-10-01, ∼332🔥, 0💬

"UPDATE" Statements
This section describes how to update existing data rows with UPDATE statements.
2022-10-01, ∼332🔥, 0💬

Set MySQL Server "root" Password on CentOS
This section provides a tutorial example on how to set or reset 'root' password, in case it has no password or you can not remember the password, for MySQL 8.0 server on CentOS 8 systems.
2022-10-01, ∼332🔥, 0💬

ActivityLog Test - Activity Stopped and Restarted
This section provides a tutorial example on how to test activity lifecycle with the ActivityLog application in case user stops the activity by clicking the home icon and restart it again by clicking its name in the application list.
2022-10-01, ∼331🔥, 0💬

Installing Application to Phone using "adb -d install" Command
This section provides a tutorial example on how to install the debug package of my 'HelloAndroid' application to my LG-P925g phone using the 'adb -d install' command through the USB debugging interface.
2022-10-01, ∼331🔥, 0💬

Use PHP Composer on CentOS Computers
This section provides a tutorial example on how to install PHP Composer to manage PHP packages on CentOS systems.
2022-10-01, ∼331🔥, 0💬

Prototype-Dased Object-Oriented Programming Style
This section provides a quick description of object-oriented programming and prototype-based programming style.
2022-10-01, ∼331🔥, 0💬

"continue" Statements
This section describes non-labeled 'continue' statement, which is a branching statement that transfers the control to the end of the immediate enclosing loop block and continues the next iteration of the loop.
2022-10-01, ∼331🔥, 0💬

Information of JSP Execution Context
This section provides a tutorial example on how to obtain information from the JSP execution context environment through 'session' and 'application' implicit object provided by the JSP container.
2022-10-01, ∼331🔥, 0💬

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