Last Update: 27-05-2016
HTML (HyperText Markup Language) is a markup language composed by a set of tags that organize and declare a purpose for the content of the document. These tags are keywords surrounded by angle brackets (e.g., <html>). They may include attributes (e.g., <html lang="en">) and be accom...
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Last Update: 26-05-2016
The C-style for loop was deprecated in Swift 2.2, leaving only the for in option available. From Xcode 7.3.1 you will get a warning message if you create a loop with a C-style for (e.g., for var counter = 0; counter < 5; counter++). These loops will work until Swift 3.0 is introduc...
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Last Update: 26-05-2016
The string-type selectors were deprecated in Swift 2.2. From Xcode 7.3.1 you will get a warning message if you define a selector using just a string (e.g., addTarget(self, action: "showCounter:", forControlEvents: .TouchUpInside)). These selectors will work until Swift 3.0 is int...
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Last Update: 26-05-2016
The ++ and -- operators were deprecated in Swift 2.2. From Xcode 7.3.1 you will get a warning message if you incorporate these operators in your code. The operators will work until Swift 3.0 is introduced, meanwhile Xcode will suggest you to use the += and -= operators instead. O...
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Last Update: 25-05-2016
The <title> element has a very simple purpose that is to provide the title of the document. This title is usually shown on a bar at the top of the browser's window and is displayed by search engines in the results. It has opening and closing tags (<title> and </title>) and goes ins...
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Last Update: 19-05-2016
The <script> element is used to insert Javascript code in the document. It has opening and closing tags (<script> and </script>), and may include the code in between tags or used with the src attribute to load the codes from an external source.    Scripts are usually...
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Last Update: 19-05-2016
The <style> element is used to insert styles into the document. It has opening and closing tags (<style> and </style>) to enclose the CSS styles and doesn't require any attribute. The element can be inserted in any part of the document but it is recommendable to do it inside the he...
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Last Update: 19-05-2016
The <link> element links the document to an external resource. This element is frequently used to load CSS style sheets with styles for the document or to load the document's icon. To specify the type of resource, the <link> element includes the following attributes:   type - T...
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Last Update: 18-05-2016
The <meta> element defines information that describes the document, usually called metadata. This may be as simple as a text describing the document or as complex as the character encoding used to present the document's text. To specify what kind of information it represents, the element inclu...
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Last Update: 18-05-2016
The <head> element defines the head of the document. The head specifies what is called the metadata for the document. This is information regarding the document, such as its title, icon, characters encoding, files required to render its content, etc. The <head> element is composed b...
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