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Download and Install "geth" 1.8.2
This section describes how to download and install 'geth' 1.8.2.
2022-10-01, ∼975🔥, 0💬

Exporting Root Certificate to File from Google Chrome
This section provides a tutorial example on how to export a trusted root CA certificate pre-installed in Google Chrome into a certificate file in Base-64 encoded X.509 format.
2022-10-01, ∼971🔥, 0💬

Key Schedule (Sub-Keys and S-Boxes) Algorithm
The Blowfish Key Schedule (Sub-Keys Generation) algorithm is provided to generate 18 Sub-keys and 4 S-boxes, using user provided secret key and hexadecimal digits of the fractional portion of constant Pi, (3.1415927... - 3) = 0.1415927... as input.
2022-10-01, ∼970🔥, 0💬

WPF Button Click Test
A tutorial example is provided on how to test on System.Windows.Controls.Button class with Click event handler functions.
2022-10-01, ∼962🔥, 0💬

XSD Schema XML DOM Validator - XsdSchemaDomValidator.java
This section describes a tutorial example on how to create a Validator instance from an XSD Schema instance to validate an XML file using the JAXP DOM interface.
2022-10-01, ∼961🔥, 0💬

"keyref" Identity-Constraint XSD Example
This section provides a tutorial example on how to define a 'keyref' identity-constraint in an XSD schema to ensure key reference values are existing key values defined by another 'key' identify-constraint. Xecers2 XSD validator only reports a single generic error for multiple 'keyref' identity-cons...
2022-10-01, ∼961🔥, 0💬

"inline" Splitting for Line Break
This section provides a tutorial example showing an 'inline' of text getting split into two parts, because it is too long to fit into remaining portion of the line page.
2022-10-01, ∼960🔥, 0💬

Parallel Collector - "+XX:+UseParallelGC"
This chapter provides tutorial notes and example codes on the Parallel Collector specified by the '+XX:+UseParallelGC' JVM option. Topics include introduction to Parallel Collector log message format; multiple parallel GC threads; '-XX:+UseAdaptiveSizePolicy' option to dynamically changing 'eden', '...
2022-10-01, ∼960🔥, 0💬

macOS Certificate Stores and Keychain Access
This chapter provides tutorial notes and example codes on macOS Certificate Stores and Keychain Access. Topics include introduction of Keychain Access; listing trusted root CA certificates; exporting certificates from or importing them to Keychain Access; detrusting or deleting certificates; creatin...
2022-10-01, ∼957🔥, 0💬

SELinux Security Context on /var/www/html
This section provides a tutorial example on how to change the SELinux security context type on sub directories inside /var/www/html to allow new files to be created by PHP scripts running on the Apache HTTP Server on CentOS systems.
2022-10-01, ∼953🔥, 0💬

Creating XML Documents in Tree View
This section provides a tutorial example on how to create an XML document by inserting elements, attributes and text interactively in XML Notepad 2007 Tree View.
2022-10-01, ∼950🔥, 0💬

Use "dd" Command to Test I/O Speed
This section provides a tutorial example on how to test I/O speed of hard disk and USB drives using the 'dd' command with different block sizes.
2022-10-01, ∼950🔥, 0💬

region-before and region-after Sub Elements
This section describes optional region-before and region-after sub elements of the simple-page-master page layout. They are used to declare header and footer areas on the page in most cases.
2022-10-01, ∼947🔥, 0💬

"Variant" - Data Type and Subtypes
This section provides a quick introduction of VBScript data type, Variant, a list of subtypes: byte, integer, long, single, double, currency, string, Boolean, date, object, error, empty, and null.
2022-10-01, ∼946🔥, 0💬

What Is "unique" Identity-Constraint?
This section describes the 'unique' identity-constraint, where a combination of certain sub elements or attributes is defined as an identity, which must have unique values. Missing values are acceptable.
2022-10-01, ∼945🔥, 0💬

CPU Execution Time Shared by Multiple Threads
This section provides a tutorial example on how to measuring CPU execution time allocated to threads with different setPriorities.
2022-10-01, ∼943🔥, 0💬

mb_strlen() - Counting Multibyte Characters
This section describes how to count multi-byte characters using php_mbstring.dll module.
2022-10-01, ∼943🔥, 0💬

Opening UTF-16LE Text Files
This section provides a tutorial example on how to open a UTF-16LE text file with Word correctly by selecting the Unicode encoding option on the open file dialog box.
2022-10-01, ∼941🔥, 0💬

"-Xlog:gc" - Default GC Logging Level: INFO
This section describes the garbage collection logging option, '-Xlog:gc', which prints out log messages from the GC channel at the INFO level.
2022-10-01, ∼941🔥, 0💬

Install PHP Extensions on CentOS
This section provides a tutorial example on how to add PHP extensions on CentOS Linux systems by searching and installing the extension using the 'dnf' package manager.
2022-10-01, ∼940🔥, 0💬

NoClassDefFoundError - LoopTag/ForEachTag
This section provides a tutorial example on how to use JSTL loop tags with EL expressions. JSTL 1.2 API JAR file is needed.
2022-10-01, ∼938🔥, 0💬

Java Program to Generate EC Keys
This section provides a tutorial example on how to write a Java program to generate EC private-public key pairs.
2022-10-01, ∼936🔥, 0💬

Add/Remove PV on VG on the Fly
Describes what is a VG (Volume Group) - a virtual storage device made up by one or more PVs (Physical Volumes). Tutorial examples are given on how to create a new VG, add PV to a VG and remove a PV from a VG.
2022-10-01, ∼931🔥, 0💬

UTF-32 Encoding
This section provides a quick introduction of the UTF-32 (Unicode Transformation Format - 32-bit) encoding for Unicode character set. UTF-32 uses 32 bits or 4 bytes to encode each character.
2022-10-01, ∼930🔥, 0💬

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