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Articles by karthikeya Boyini
Page 34 of 142
Go-Back-N ARQ
Go-Back-N Automatic Repeat reQuest (Go-Back-N ARQ) is a data link layer protocol that uses a sliding window method for reliable and sequential delivery of data frames. It is a case of sliding window protocol having a send window size of N and receiving window size of 1. This protocol allows multiple frames to be transmitted before receiving acknowledgments, but requires retransmission of all frames starting from the first unacknowledged frame if any frame is lost or corrupted. Working Principle Go-Back-N ARQ uses the concept of protocol pipelining, sending multiple frames before receiving acknowledgment for the first frame. ...
Read MoreWrite Emails In HTML and then Send Them using Gmail
HTML email combines the visual appeal of web pages with email communication, featuring graphics, colors, formatting, and structured layouts. Unlike plain text emails that contain only basic text content, HTML emails resemble newsletters and marketing materials with rich formatting, images, and interactive elements. Email marketers consistently find that HTML emails perform better for conversions compared to plain text. However, creating effective HTML emails requires understanding email client limitations and following specific coding practices to ensure proper rendering across different platforms. What is HTML Email? HTML email uses HyperText Markup Language to create formatted messages that can include ...
Read MoreHTML DOM Input Button name Property
The HTML DOM name property is used to get or set the value of the name attribute of an input button element. This property is essential for form data submission, as the name attribute identifies the button when the form is submitted to the server. Syntax Following is the syntax for returning the name value − object.name Following is the syntax for setting the name value − object.name = "text" Here, text represents the new name value to be assigned to the input button. Return Value The name ...
Read MoreHTML DOM Input Checkbox defaultChecked Property
The HTML DOM input checkbox defaultChecked property returns the default value of the checked attribute of a checkbox element. This property reflects whether the checkbox was initially checked when the page loaded, regardless of its current state. Syntax Following is the syntax for getting the defaultChecked property − checkboxObject.defaultChecked This property returns a boolean value − true − if the checkbox was initially checked (had the checked attribute) false − if the checkbox was initially unchecked Understanding defaultChecked vs checked The defaultChecked property differs from the checked property − ...
Read MoreHTML DOM Input Checkbox autofocus Property
The HTML DOM Input Checkbox autofocus Property sets or returns whether a checkbox should automatically receive focus when the page loads. This property corresponds to the autofocus attribute in HTML and is useful for improving user experience by directing attention to important form elements. When a checkbox has the autofocus property set to true, it will be highlighted with a focus outline as soon as the page finishes loading, without requiring user interaction. Syntax Following is the syntax for returning the autofocus property − checkboxObject.autofocus Following is the syntax for setting the autofocus ...
Read MoreHTML DOM Option text Property
The HTML DOM option text property allows you to retrieve and modify the text content of an element within a dropdown. This property is useful for dynamically updating option labels without recreating the entire select element. Syntax Following is the syntax for getting the text value − optionElement.text Following is the syntax for setting the text value − optionElement.text = "newText" Return Value The property returns a string representing the text content of the option element. When setting, it accepts a string value that becomes the new ...
Read MorePhonegap + Windows Phone 8 : HTML5 viewport meta & scaling issue
When developing PhoneGap applications for Windows Phone 8, you may encounter HTML5 viewport scaling issues where the content appears zoomed in or out, or doesn't fit properly on the device screen. This typically occurs when the viewport meta tag isn't properly configured or when Windows Phone's default zoom behavior conflicts with your app's layout. Common Causes The viewport scaling issue in PhoneGap Windows Phone 8 apps usually stems from − Missing or incorrect viewport meta tag configuration Windows Phone's default zoom behavior overriding your CSS Improper CSS styling that doesn't account for device-specific rendering ...
Read MoreHow to use formenctype attribute in HTML?
The formenctype attribute in HTML specifies how form data should be encoded when submitting to the server. This attribute was introduced in HTML5 and is only used with input elements of type submit and image. It overrides the form's default enctype attribute for that specific submit button. Syntax Following is the syntax for the formenctype attribute − The encoding-type specifies how the form data should be encoded before sending it to the server. Formenctype Attribute Values The formenctype attribute accepts three possible values − Value Description ...
Read MoreHTML DOM Input FileUpload required Property
The HTML DOM Input FileUpload required property sets or returns whether a file upload field must be filled out before submitting a form. This property reflects the HTML required attribute and is a boolean value that determines form validation behavior. Syntax Following is the syntax for returning the required property − object.required Following is the syntax for setting the required property − object.required = true|false Parameters The required property accepts boolean values − true − The file upload field is required and must be filled before form ...
Read MoreHTML DOM Input FileUpload Object
The HTML DOM Input FileUpload Object represents an element with type="file" in an HTML document. This object provides properties and methods to interact with file upload elements programmatically, allowing developers to create, modify, and access file input controls dynamically. Creating a FileUpload Object You can create a FileUpload object dynamically using JavaScript's createElement() method − Syntax var fileUploadBtn = document.createElement("INPUT"); fileUploadBtn.setAttribute("type", "file"); Alternatively, you can access an existing file input element using − var fileUploadBtn = document.getElementById("fileId"); // or var fileUploadBtn = document.getElementsByTagName("input")[0]; Properties The HTML DOM ...
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