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This is a zero-risk investment. If you are not satisfied with this eBook, you can get back the full refund within 7 days.About This BookAbsolutely for Beginners“Ruby in 8 Hours” covers all essential Ruby knowledge. You can learn complete primary skills of Ruby fast and easily. The book includes more than 80 practical examples for beginners and includes tests & answers for the college exam, the engineer certification exam, and the job interview exam. Note:This book is only for Ruby beginners, it is not suitable for experienced Ruby programmers.Source Code for DownloadThis book provides source code for download; you can download the source code for better study, or copy the source code to your favorite editor to test the programs. Table of ContentsChapter 1 Ruby IntroductionThe First Ruby ProgramInstall RubyRuby IrbRuby EditorCommentsRuby Program ExampleOutput TextRuby IdentifierVariableNaming VariablesConstantReserved WordsBEGIN StatementEND StatementData TypesIntegerFloatStringArrayHashRangeEscape CharactersChapter 2 MethodCall a MethodMethod with Parameters (1)Method with Parameters (2)ReturnClassDefining ClassCreate Ruby ObjectsThe Initialize MethodClass & Object ExampleChapter 3 VariablesGlobal VariableInstance VariableClass VariablesLocal VariableConstantsArithmetical OperatorsLogical OperatorsAssignment OperatorsComparison Operators (1)Comparison Operators (2)Conditional OperatorParallel AssignmentRange Operatordefined? OperatorOperator "."Operator “::”Operators PrecedenceChapter 4 If StatementIf-else StatementIf-elseif StatementWhile StatementUntil StatementBreak StatementNext StatementFor-in StatementCase StatementRedo StatementBlockYield StatementBEGIN BlockEND BlockModuleRequireIncludeChapter 5 StringMulti-Line String (1)Multi-Line String (2)Insert a StringConnect StringsFreezing StringComparing StringUppercasing StringLowercasing StringSubstring (1)Substring (2)String MethodsChapter 6 ArrayCreate an ArrayThe Value of ElementsAccessing Array ElementsFirst & LastTakeDropAdd an Element (1)Add an Element (2)Insert an ElementRemove an Element (1)Remove an Element (2)Delete an ElementRemove Repeated ElementsArray Built-in MethodsHashModify HashHash built-in MethodsChapter 7 Set DateGet DateSet TimeGet TimeSet DatetimeGet DateTimeSet Local Time & UTCGet Local Time & UTCTime ZoneGM Time & Local TimeRangeConvert to ArrayIncluded ?Max & MinEach IteratorConditional Range“ === ” SymbolReverseEach IteratorTime IteratorUpto IteratorStep IteratorChapter 8 FileCreate File Object (1)Create File Object (2)Create File Object (3)Create File Object (4)Rename a FileDelete a FileGetsPutcFile Check (1)File Check (2)Show Current FolderCreate & Specify a FolderDelete a FolderClose FileFile MethodsDirectory MethodsExceptionsHandling ExceptionException TypeRaiseRescueException ObjectRetryElseEnsureAppendix Tests & AnswersTestsAnswersSource Code Download
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- Title: RUBY in 8 Hours, For Beginners, Learn Coding Fast!
- Author : Ray Yao
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