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Sets and Set Operations
How to represent sets and set operations in MathML? "ISO 80000-2 Quantities and Units - Mathematics" specifies that sets and set operations should be represented as described below: Set Identifier - A capital letter in italic style should be used as the identifier for a generic set. For example: A o...
2026-10-17, ∼1785🔥, 0💬

"mtd" - MathML Table Data Element
How to use the MathML Table Data Element: "mtd"? "mtd" is the MathML Table Data Element that allows you to specify a row in a "mtr" element. The syntax for "mtd" element is: &lt;mtd&gt; element element ... &lt;/mtd&gt; Here is an example of using the "mtd" element. &lt;math&g...
2025-04-11, ∼1784🔥, 0💬

Use SVG Images in IFRAME Tags
How to Use SVG Images in HTML &lt;iframe&gt; Tags? If you want to use SVG images in HTML &lt;iframe&gt; Tags, you can save SVG images in .svg files and include SVG image file names in the "src" attribute of &lt;iframe&gt; Tags. You can follow this tutorial to test this. 1. Sa...
2022-12-03, ∼1783🔥, 0💬

What Are Library Genesis Data Objects
What are Library Genesis Data Objects? Library Genesis Data Objects are different database designed to record the following different types of information. See related tutorials for more details. Files - To record specific files associated with publications, like PDF files and ePub files. Editions -...
2023-07-18, ∼1782🔥, 0💬

install.exe and Installation Files of OpenOffice 3.2.1
Why am I getting the install.exe and some other files in the root directory after installing OpenOffice 3.2.1 package on my Windows Computer? OpenOffice 3.2.1 Windows package is not well designed. Its installation process is putting a number of installation files in root directory. You should remove...
2020-11-11, ∼1778🔥, 0💬

The R Graphics Package
What is The R Graphics Package? The R Graphics Package is built-in "graphics" package in the R environment. It provides functions for "base" graphics, which are traditional S-like graphics, as opposed to the more recent grid graphics. Here is a list of all functions provided in "graphics 4.0.5" rele...
2023-05-09, ∼1770🔥, 0💬

View Report from Apache Log File
How to View Report from an Apache Web server log file? If you want to View Report from an Apache Web server log file, you can follow these steps: 1. Copy a sample log file from the Apache Web server: fyicenter$ sudo cp /var/log/httpd/access_log . 2. View report with default options: fyicenter$ goacc...
2023-03-07, ∼1770🔥, 0💬

List of SVG Resources
What SVG Resources are available on the Internet? Here is a list of SVG Resources that are available on the Internet: An SVG Primer for Today's Browsers - User guide for beginners by w3.org. Scalable Vector Graphics (SVG) 1.1 (Second Edition) - SVG 1.1 specifications by w3.org. SVG 1.0: Scalable Vec...
2023-09-03, ∼1767🔥, 0💬

Bandizip - Ultra-Fast Compression Tool
Where to find answers to frequently asked questions about Bandizip? Here is a collection of frequently asked questions and their answers compiled by FYIcenter.com team for general questions about Bandizip: What Is Bandizip   ⇒ What Is Bandizip ⇐ Stop WinZip Wizard Window ⇑⇑ ZIP - Frequently Asked ...
2023-03-17, ∼1767🔥, 0💬

Use LinkedIn App on Phone
How to use LinkedIn app on my phone? To stay connected with your friends on LinkedIn, you should install and use LinkedIn on your cell phone. 1. On your phone, go to Apple Store or Google Play to search for the "LinkedIn" app. 2. Tap on "Install" on the "LinkedIn" app to download and install it on y...
2023-03-28, ∼1765🔥, 0💬

"mlabeledtr" - MathML Labeled Row Element
How to use the MathML Labeled Row Element: "mlabeledtr"? "mlabeledtr" is the MathML Table Row Element that allows you to specify a labeled row in a "mtable" element. The syntax for "mlabeledtr" element is: &lt;mlabeledtr&gt;labe lcell cell ... &lt;/mlabeledtr&gt; Here is an example o...
2025-04-11, ∼1760🔥, 0💬

Run R Code Online
How to Run R Code Online? If you don't want to install the R environment on you local computer, you run your R code online as shown in this tutorial. 1. Go to R Package Documentation Website . 2. Click "Run R Code Online" button on the page. You see a sample code in an editor window. 3. Click "Run (...
2023-07-29, ∼1759🔥, 0💬

Data Frame Example - "cars"
What is the Data Frame Example, "cars"? "cars" is a built-in data frame example in R environment. "cars" has two columns: "speed" and "dist". Each row records an instance of the stopping distance of a car driving at a given speed. Note that the data were recorded in the 1920s. 1. Basic info on "cars...
2023-05-31, ∼1759🔥, 0💬

Data Structure - Factor
What is a Factor? A factor is a data structure that stores a vector and its distinct values as categories. 1. Create a factor object with the factor() function - &gt; f = factor( c("Bike", "Car", "Truck", "Car", "Bike", "Truck") ) &gt; f [1] Bike Car Truck Car Bike Truck Levels: Bike Car Tru...
2023-05-31, ∼1755🔥, 0💬

Using Microsoft Office Tools Offline
Where to find answers to frequently asked questions for Using Microsoft Office Tools Offline? Here is a collection of frequently asked questions and their answers compiled by FYIcenter.com team for Using Microsoft Office Tools Offline: Download Office, Word, Excel, ... on Windows File Locations of M...
2023-08-09, ∼1753🔥, 0💬

Library Genesis Data Object - Files
What is "Files" as a Library Genesis Data Objects? "Files" is a data object used in Library Genesis to record specific files associated with publications, like PDF files and ePub files. "Files" has the following main fields: f_id - Internal object ID of the file. md5 - MD5 hash value of the file. fi...
2023-07-18, ∼1753🔥, 0💬

Customizing GoAccess
Where to find answers to frequently asked questions on Customizing GoAccess? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on Customizing GoAccess: "No time format was found on your conf file" Error Generate CSV Report from Apache Log File Generate JSO...
2023-01-06, ∼1751🔥, 0💬

Use MathML Elements in IFRAME Tags
How to Use MathML Elements in HTML &lt;iframe&gt; Tags? If you want to use MathML Elements in HTML &lt;iframe&gt; Tags, you can save MathML elements in .mml files and include MathML file names in the "src" attribute of &lt;iframe&gt; Tags. You can follow this tutorial to test...
2026-04-13, ∼1748🔥, 0💬

GoAccess Report Settings
How to use GoAccess Report Settings? GoAccess Report Settings allows you to change the look and feel all display panels in the report. Report settings are accessible through the "Settings" icon on the left bar: THEME ( ) DARK GRAY (x) BRIGHT ( ) DARK BLUE ( ) DARK PURPLE PANELS ITEMS PER PAGE ( ) 3 ...
2023-01-29, ∼1746🔥, 0💬

Library Genesis Data Object - Authors
What is "Authors" as a Library Genesis Data Objects? "Authors" is a data object used in Library Genesis to record detailed information about authors. "Authors" has the following main fields: a_id - Internal object ID of this author. family - The family name of this author. name - The given name of t...
2023-11-06, ∼1742🔥, 0💬

Data Structure - Matrix
What is a Matrix? Matrix is an extension of vector into 2 dimensions 1. Create a matrix object with the matrix() function - &gt; m = matrix(1:20, nrow=5,ncol=4) &gt; m [,1] [,2] [,3] [,4] [1,] 1 6 11 16 [2,] 2 7 12 17 [3,] 3 8 13 18 [4,] 4 9 14 19 [5,] 5 10 15 20 &gt; typeof(m) [1] "inte...
2023-05-31, ∼1737🔥, 0💬

List of Transformation Functions
What are transformation functions? SVG supports 5 transformation functions: translate(), rotate(), scale(), skew(), and matrix(). 1. matrix(a, b, c, d, e, f) - Transform the object coordinates by applying a 2-d matrix with the first 4 parameters and followed by a 2-d translation with the last 2 para...
2023-08-03, ∼1732🔥, 0💬

plot() on Function
How to use the plot() function on a function? If you have a known function with a single independent variable, you can pass the data frame as the first argument followed by a starting value and an ending value to the plot function to visualize the function. Call plot() with the sin() function: &...
2023-03-17, ∼1730🔥, 0💬

json.php API - Get "files" by ID Range
How to get "files" objects with Library Genesis API, json.php, for a given file object ID range? If you want to get all file objects in a given ID range, you can call the Library Genesis API, json.php, with object=f, id_start={id} and id_end={id} parameters. For example, the following call returns a...
2023-08-25, ∼1728🔥, 0💬

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