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Discontinued: getTime - Get the Current Time
This chapter provides a quick introduction of the free Web service, getTime. Topics include usage description of getTime; HTTP request sample; and HTTP response sample.
2022-10-01, ∼441🔥, 0💬

NDFDgen - US-Weather Forecast for a Single Location
This chapter provides a quick introduction of the free Web service, NDFDgen. Topics include usage description of NDFDgen; request message sample; response message sample.
2022-10-01, ∼441🔥, 0💬

Bash Shell Script File Examples
This section provides some Tcsh script file examples.
2022-10-01, ∼441🔥, 0💬

Confirm Outgoing Transaction
This section describes how to confirm an outgoing transaction by looking at the confirmation # in the transaction report.
2022-10-01, ∼441🔥, 0💬

Algebraic Solution for Symmetrical Points
This section provides an algebraic solution for calculating the addition operation of two symmetrical points on an elliptic curve.
2022-10-01, ∼441🔥, 0💬

Algebraic Solution for Distinct Points
This section provides an algebraic solution for calculating the addition operation of two distinct points on an elliptic curve.
2022-10-01, ∼441🔥, 0💬

"iptables" Command on CentOS
This section provides a tutorial example on how to use 'iptables' daemon CLI to manage network firewall on older CentOS systems.
2022-10-01, ∼441🔥, 0💬

"free" - Display Free and Used Memory
This section provides a tutorial example on how to display free and used memory information using the 'free' command on Linux systems.
2022-10-01, ∼441🔥, 0💬

"obabel -a..." - Extra Options for Input Reading
This section provides a tutorial example on how to pass extra options to Open Babel 'obabel' command for reading molecule data in a specific format.
2022-10-01, ∼441🔥, 0💬

pandas - Data Analysis and Manipulation
This chapter provides introductions and tutorials on 'pandas', a powerful Python data analysis toolkit. Topics include installing 'pandas', introduction of the 'pandas.DataFrame' class.
2022-10-01, ∼441🔥, 0💬

Running "adb" on LG-P925g USB Debugging Interface
This section provides a tutorial example on how to run 'adb' commands on LG-P925g Android phone through the USB debugging interface. 'adb -d' is to run commands on the USB device. 'adb -e' is to run commands on the emulator.
2022-10-01, ∼440🔥, 0💬

Key Pair Sample Program - JcaKeyPair.java
This section provides a tutorial example on how to write simple program to generate a pair of private key and public key for the RSA or DSA algorithm.
2022-10-01, ∼440🔥, 0💬

What Is a Class
This section describes what is a class - a user defined datatype which is associated with a predefined set of properties and operations (also called methods).
2022-10-01, ∼440🔥, 0💬

Adding JDK "bin" Direcotry to Path Setting
This section provides a tutorial on how to add JDK 'bin' directory to the 'path' system envirnoment variable.
2022-10-01, ∼440🔥, 0💬

mail() - Launch Default Email Program
This section provides a tutorial example on how to use Desktop.mail() method to launch the default email program on the desktop of the operating system.
2022-10-01, ∼440🔥, 0💬

What Is XSL (Extensible Stylesheet Language)
This section describes XSL (Extensible Stylesheet Language), which consists of 3 languages: XSLT (XSL Transformation), XPath (XML Path), and XSL-FO (XSL Formatting Objects) for defining XML document transformation and presentation.
2022-10-01, ∼440🔥, 0💬

Data Types Supported in Java
This section provides a list of data types supported in Java: 8 primitive data types and 5 reference data types.
2022-10-01, ∼440🔥, 0💬

Displaying the "system" ThreadGroup Tree
This section provides a tutorial example on how to display the 'system' ThreadGroup tree by using the enumerate() and list() methods.
2022-10-01, ∼440🔥, 0💬

Syntax of JSP Pages and JSP Documents
This chapter provides tutorial notes and example codes on syntax of JSP Pages and JSP Documents. Topics include what is a JSP Page; what is a JSP Document; writing JSP elements in XML format; generating response in XML format; differences of directive and action 'include' elements.
2022-10-01, ∼440🔥, 0💬

JSTL in XML Style JSP Pages
This section provides a tutorial example on how to use JSTL tags in XML style JSP pages. The JSTL library needs to be declared as an XML namespace in the 'root' element.
2022-10-01, ∼440🔥, 0💬

Table Column Types for Approximate Numbers
Describes 3 types of table columns to store approximate numbers: FLOAT, REAL and DOUBLE PRECISION.
2022-10-01, ∼440🔥, 0💬

Detect System Default Encoding
This section provides a tutorial example on how to detect the system default encoding with a PHP script that displays the same Chinese text in 4 different encodings.
2022-10-01, ∼440🔥, 0💬

GCPerfP99V2.java - Object Number and Size
This section provides tutorials to find the work load level for the GCPerfP99V2.java program to the impact of execution environment interruptions to a very level. Work load of 1000 gives me a coefficient variation of 1.22% on my computer used in 2019.
2022-10-01, ∼440🔥, 0💬

Implementing Activity Callback Methods
This section provides a tutorial example on how to implement activity callback methods using ActivityLog application as an example to log a short message from each callback method in a log file.
2022-10-01, ∼439🔥, 0💬

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