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What Is Tracker in BitTorrent
What Is Tracker in BitTorrent? A Tracker in BitTorrent is a special server that acts like a traffic cop directing BitTorrent data traffic between seeders and downloaders in a Swarm. Peers (seeders and downloaders) report information to the tracker periodically and in exchange, receive information ab...
2022-08-26, ∼1626🔥, 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, ∼1620🔥, 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, ∼1612🔥, 0💬

R Language Basics
Where to find answers to frequently asked questions on understanding R language basic concepts? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on understanding R language basic concepts: Basic Data Types Data Structure - Vector Vector Is Not a Data Type...
2023-07-29, ∼1599🔥, 0💬

Transform Group of Objects Using "g"
How to transform a group of objects using the "g" element? The "g" element is a container that allows you to group multiple graphical objects together as a single object. This allows you to transform the group as a whole, instead individual objects. Here is an HTML document, transformation-group.htm...
2023-08-03, ∼1591🔥, 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, ∼1584🔥, 0💬

Use IMG "width" and "height" to Crop SVG Images
How to Use IMG attributes, "width" and "height", to Crop SVG Images? One way to get rid of those extra white spaces in a SVG image, is to use "width" and "height" attributes in HTML IMG tags. There are the rules on how "width" and "height" attributes in the HTML IMG tag work with the SVG image size:...
2022-12-03, ∼1583🔥, 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, ∼1579🔥, 0💬

Insert SVG Images in HTML Documents
How to Insert SVG Images in HTML Documents? You can insert a SVG image in an HTML document by inserting the SVG XML document directly any where in the HTML document. Here is a simple example of inserting a SVG XML document inside an HTML document. Save it in a file called, square.html. &lt;html&...
2022-10-25, ∼1574🔥, 0💬

Use SVG Images in OBJECT Tags
How to Use SVG Images in HTML &lt;object&gt; Tags? If you want to use SVG images in HTML &lt;object&gt; Tags, you can save SVG images in .svg files and include SVG image file names in the "data" attribute of &lt;object&gt; Tags. You also need to specify the type="image/svg+xm...
2022-12-03, ∼1572🔥, 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, ∼1568🔥, 0💬

Use MathML Elements in OBJECT Tags
How to Use MathML Elements in HTML &lt;object&gt; Tags? If you want to use MathML elements in HTML &lt;object&gt; Tags, you can save MathML elements in .mml files and include MathML file names in the "data" attribute of &lt;object&gt; Tags. You also need to specify the type="...
2026-04-13, ∼1567🔥, 0💬

Insert MathML Element in HTML Documents
How to Insert MathML Elements in HTML Documents? You can insert a MathML Element in an HTML document by inserting the MathML XML document directly any where in the HTML document. Here is a simple example of inserting a MathML element inside an HTML document. Save it in a file called, Square-Root.htm...
2025-10-14, ∼1565🔥, 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, ∼1564🔥, 0💬

barplot() on Numeric Vector
How to use the barplot() function on a numeric vector? barplot() function is provided in the built-in "graphics" package. You don't need to install any external packages to use barplot(). If you have a numeric vector, you can visualize it as a bar chart with the barplot() function. Call barplot() wi...
2023-05-09, ∼1563🔥, 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, ∼1560🔥, 0💬

Vector Is Not a Data Type
Is Vector a Data Type? No. Technically, "Vector" is not a data type. In R, all data items are technically "vectors". In other words, everything is a vector in R. There is no "scalar" data. This is why data "3" is printed out as "[1] 3" on the console, indicating that "3" is a vector of 1 member: &am...
2023-06-11, ∼1558🔥, 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, ∼1557🔥, 0💬

plot() on Data Frame
How to use the plot() function on a data frame? If you have a data frame with 2 columns, you can pass the data frame as the first argument to the plot() function to visualize the data. Call plot() with the example data frame, "cars": &gt; dim(cars) [1] 50 2 &gt; plot(cars) The following grap...
2023-03-17, ∼1556🔥, 0💬

Create a Company Page on LinkedIn
How to create a company page on LinkedIn? You can create a company page to promote your company as shown below. 1. Sign in to your LinkedIn account. 2. Click the "work" icon at the top of your LinkedIn homepage. You see the work related menu items. 3. Click "Create a Company Page" at the bottom of t...
2023-08-25, ∼1554🔥, 0💬

What Is SVG (Scalable Vector Graphics)
What Is SVG (Scalable Vector Graphics)? SVG (Scalable Vector Graphics) is an XML-based vector image format for defining two-dimensional graphics with support for interactivity and animation. The SVG specification is an open standard developed by the w3.org. See the latest version at https://www.w3.o...
2022-10-25, ∼1545🔥, 0💬

Post Job for Free on LinkedIn
How to post a job for free on LinkedIn? You can post one job for free on LinkedIn to promote your company. You need pay for $25.00 per day per job to post additional jobs. Here is how to post a job for your company. 1. Sign in to your LinkedIn account. 2. Click the "Me" icon at the top of your Linke...
2023-09-23, ∼1533🔥, 0💬

Install R External Packages
How to Install R External Packages? R software environment comes with only the standard built-in package. If you want to use any external packages, you need to install it first as shown in this tutorial. 1. Start the R Console on your local computer. 2. Try to load the package using the "library()" ...
2023-07-29, ∼1526🔥, 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, ∼1521🔥, 0💬

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