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diff --git a/Visual Basic b/Visual Basic deleted file mode 100644 index 73430633..00000000 --- a/Visual Basic +++ /dev/null @@ -1,248 +0,0 @@ ---- -language: Visual Basic Console Application -contributors: - - ["Brian Martin", "http://brianmartin.biz"] -filename: learnvisualbasic.vb - -Module Module1 - - Sub Main() - 'A Quick Overview of Visual Basic Console Applications before we dive in to the deep end. - 'Apostrophe starts comments. - 'To Navigate this tutorial within the Visual Basic Complier, I've put together a navigation system. - 'This navigation system is explained however as we go deeper into this tutorial, you'll understand what it all means. - Console.Title = ("Learn X in Y Minutes") - Console.WriteLine("NAVIGATION") 'Display - Console.WriteLine("") - Console.ForegroundColor = ConsoleColor.Green - Console.WriteLine("1. Hello World Output") - Console.WriteLine("2. Hello World Input") - Console.WriteLine("3. Calculating Whole Numbers") - Console.WriteLine("4. Calculating Decimal Numbers") - Console.WriteLine("5. Working Calculator") - Console.WriteLine("6. Using Do While Loops") - Console.WriteLine("7. Using For While Loops") - Console.WriteLine("8. Conditional Statements") - Console.WriteLine("9. Select A Drink") - Console.WriteLine("50. About") - Console.WriteLine("Please Choose A Number From The Above List") - Dim selection As String = Console.ReadLine - Select Case selection - Case "1" 'HelloWorld Output - Console.Clear() 'Clears the application and opens the private sub - HelloWorldOutput() 'Name Private Sub, Opens Private Sub - Case "2" 'Hello Input - Console.Clear() - HelloWorldInput() - Case "3" 'Calculating Whole Numbers - Console.Clear() - CalculatingWholeNumbers() - Case "4" 'Calculting Decimal Numbers - Console.Clear() - CalculatingDecimalNumbers() - Case "5" 'Working Calcculator - Console.Clear() - WorkingCalculator() - Case "6" 'Using Do While Loops - Console.Clear() - UsingDoWhileLoops() - Case "7" 'Using For While Loops - Console.Clear() - UsingForLoops() - Case "8" 'Conditional Statements - Console.Clear() - ConditionalStatement() - Case "9" 'If/Else Statement - Console.Clear() - IfElseStatement() 'Select a drink - Case "50" 'About msg box - Console.Clear() - Console.Title = ("Learn X in Y Minutes :: About") - MsgBox("Learn X in Y Minutes is a creation of Adam Bard (@adambard) This particular program tutorial is by Brian Martin (@BrianMartinn") - Console.Clear() - Main() - Console.ReadLine() - - End Select - End Sub - - 'One - I'm using numbers to help with the above navigation when I come back later to build it. - Private Sub HelloWorldOutput() 'We use private subs to seperate different sections of the program. - Console.Title = "Hello World Ouput | Learn X in Y Minutes" 'Title of Console Application - 'Use Console.Write("") or Console.WriteLine("") to print outputs. - 'Followed by Console.Read() alternatively Console.Readline() - 'Console.ReadLine() prints the output to the console. - Console.WriteLine("Hello World") - Console.ReadLine() - End Sub - 'Two - Private Sub HelloWorldInput() 'We use private subs to seperate different sections of the program. - Console.Title = "Hello World YourName | Learn X in Y Minutes" 'Title of Console Application - 'Variables - 'Data entered by a user needs to be stored. - 'Variables also start with a Dim and end with an As VariableType. - Dim username As String 'In this tutorial, we want to know what your name, and make the program respond to what is said. - 'We use string as string is a text based variable. - Console.WriteLine("Hello, What is your name? ") 'Ask the user their name. - username = Console.ReadLine() 'Stores the users name. - Console.WriteLine("Hello " + username) 'Output is Hello 'Their name' - Console.ReadLine() 'Outsputs the above. - 'The above will ask you a question followed by printing your answer. - 'Other variables include Integer and we use Integer for whole numbers. - End Sub - 'Three - Private Sub CalculatingWholeNumbers() 'We use private subs to seperate different sections of the program. - Console.Title = "Calculating Whole Numbers | Learn X in Y Minutes" 'Title of Console Application - Console.Write("First number: ") 'Enter a whole number, 1, 2, 50, 104 ect - Dim a As Integer = Console.ReadLine() - Console.Write("Second number: ") 'Enter second whole number. - Dim b As Integer = Console.ReadLine() - Dim c As Integer = a + b - Console.WriteLine(c) - Console.ReadLine() - 'The above is a simple calculator - End Sub - 'Four - Private Sub CalculatingDecimalNumbers() - Console.Title = "Calculating with Double | Learn X in Y Minutes" 'Title of Console Application - 'Of course we would like to be able to add up decimals. - 'Therefore we could change the above from Integer to Double. - Console.Write("First number: ") 'Enter a whole number, 1.2, 2.4, 50.1, 104.9 ect - Dim a As Double = Console.ReadLine - Console.Write("Second number: ") 'Enter second whole number. - Dim b As Double = Console.ReadLine - Dim c As Double = a + b - Console.WriteLine(c) - Console.ReadLine() - 'Therefore the above program can add up 1.1 - 2.2 - End Sub - 'Five - Private Sub WorkingCalculator() - Console.Title = "The Working Calculator| Learn X in Y Minutes" 'Title of Console Application - 'However if you'd like the calculator to subtract, divide, multiple and add up. - 'Copy and paste the above again. - Console.Write("First number: ") 'Enter a whole number, 1.2, 2.4, 50.1, 104.9 ect - Dim a As Double = Console.ReadLine - Console.Write("Second number: ") 'Enter second whole number. - Dim b As Integer = Console.ReadLine - Dim c As Integer = a + b - Dim d As Integer = a * b - Dim e As Integer = a - b - Dim f As Integer = a / b - 'By adding the below lines we are able to calculate the subtract, multply as well as divide the a and b values - Console.Write(a.ToString() + " + " + b.ToString()) - Console.WriteLine(" = " + c.ToString.PadLeft(3)) 'We want to pad the answers to the left by 3 spaces. - Console.Write(a.ToString() + " * " + b.ToString()) - Console.WriteLine(" = " + d.ToString.PadLeft(3)) 'We want to pad the answers to the left by 3 spaces. - Console.Write(a.ToString() + " - " + b.ToString()) - Console.WriteLine(" = " + e.ToString.PadLeft(3)) 'We want to pad the answers to the left by 3 spaces. - Console.Write(a.ToString() + " / " + b.ToString()) - Console.WriteLine(" = " + e.ToString.PadLeft(3)) 'We want to pad the answers to the left by 3 spaces. - Console.ReadLine() - - End Sub - 'Six - Private Sub UsingDoWhileLoops() - 'Just as the previous private sub - 'This Time We Ask If The User Wishes To Continue (Yes or No?) - 'We're using Do While Loop as we're unsure if the user wants to use the program more than once. - Console.Title = "UsingDoWhileLoops | Learn X in Y Minutes" - Dim answer As String 'We use the variable "String" as the answer is text - Do 'We start the program with - Console.Write("First number: ") - Dim a As Double = Console.ReadLine - Console.Write("Second number: ") - Dim b As Integer = Console.ReadLine - Dim c As Integer = a + b - Dim d As Integer = a * b - Dim e As Integer = a - b - Dim f As Integer = a / b - - Console.Write(a.ToString() + " + " + b.ToString()) - Console.WriteLine(" = " + c.ToString.PadLeft(3)) - Console.Write(a.ToString() + " * " + b.ToString()) - Console.WriteLine(" = " + d.ToString.PadLeft(3)) - Console.Write(a.ToString() + " - " + b.ToString()) - Console.WriteLine(" = " + e.ToString.PadLeft(3)) - Console.Write(a.ToString() + " / " + b.ToString()) - Console.WriteLine(" = " + e.ToString.PadLeft(3)) - Console.ReadLine() - 'Ask the question, does the user wish to continue? Unfortunately it is case sensitive. - Console.Write("Would you like to continue? (yes / no)") - answer = Console.ReadLine 'The program grabs the variable and prints and starts again. - Loop While answer = "yes" 'The command for the variable to work would be in this case "yes" - - End Sub - 'Seven - Private Sub UsingForLoops() - 'Sometimes the program only needs to run once. - 'In this program we'll be counting down from 10. - - Console.Title = "Using For Loops | Learn X in Y Minutes" - For i As Integer = 10 To 0 Step -1 'Declare Vairable and what number it should count down in Step -1, Step -2, Step -3 ect. - Console.WriteLine(i.ToString) 'Print the value of the counter variable - Next i 'Calculate new value - Console.WriteLine("Start") 'Lets start the program baby!! - Console.ReadLine() 'POW!! - Perhaps I got a little excited then :) - End Sub - 'Eight - Private Sub ConditionalStatement() - Console.Title = "Conditional Statements | Learn X in Y Minutes" - Dim userName As String = Console.ReadLine - Console.WriteLine("Hello, What is your name? ") 'Ask the user their name. - userName = Console.ReadLine() 'Stores the users name. - If userName = "Adam" Then 'Hey, if Adam uses this program, kudos where kudos is due, right? - Console.WriteLine("Hello Adam") - Console.WriteLine("Thanks for creating the useful tutorial site www.learnxinyminutes.com!") - Console.ReadLine() - Else - Console.WriteLine("Hello " + userName) 'prints the username of the user - Console.WriteLine("Hope all is well have you checked out www.learnxinyminutes.com") 'Prints a message to the user - Console.ReadLine() 'Ends and prints the above statement. - End If - End Sub - 'Nine - Private Sub IfElseStatement() - Console.Title = "If / Else Statement | Learn X in Y Minutes" - 'Sometimes its important to consider more than two alternatives. Sometimes there are a good few others. - 'When this is the case, more than one if statement would be required. - 'An if statement is great for vending machines. Where the user enters a code. - 'A1, A2, A3, ect to select an item. - 'All choices can be combined into a single if statement. - - Dim selection As String = Console.ReadLine 'Value for selection - Console.WriteLine("A1. for 7Up") - Console.WriteLine("A2. for Fanta") - Console.WriteLine("A3. for Dr. Pepper") - Console.WriteLine("A4. for Diet Coke") - Console.ReadLine() - If selection = "A1" Then - Console.WriteLine("7up") - Console.ReadLine() - ElseIf selection = "A2" Then - Console.WriteLine("fanta") - Console.ReadLine() - ElseIf selection = "A3" Then - Console.WriteLine("dr. pepper") - Console.ReadLine() - ElseIf selection = "A4" Then - Console.WriteLine("diet coke") - Console.ReadLine() - Else - Console.WriteLine("Please select a product") - Console.ReadLine() - End If - - End Sub - -End Module - - -``` -## References - -I learnt Visual Basic in the console application. It allowed me to understand the principles of computer programming to go on to learn other programming languages easily. - -I created a more indepth <a href="http://www.vbbootcamp.co.uk/" Title="Visual Basic Tutorial">Visual Basic tutorial</a> for those who would like to learn more. - -The entire syntax is valid. Copy the and paste in to the Visual Basic complier and run (F5) the program. diff --git a/php.html.markdown b/php.html.markdown index 5f5a4b54..ce228870 100644 --- a/php.html.markdown +++ b/php.html.markdown @@ -9,7 +9,7 @@ filename: learnphp.php This document describes PHP 5+. ```php -<?php // PHP code must be enclosed with <?php ?> tags +<?php // PHP code must be enclosed with <?php tags // If your php file only contains PHP code, it is best practise // to omit the php closing tag. @@ -31,7 +31,8 @@ echo "World\n"; // Prints "World" with a line break // (all statements must end with a semicolon) // Anything outside <?php tags is echoed automatically -?>Hello World Again! +?> +Hello World Again! <?php |