programming ruby 1 9 the pragmatic programmers guide download

... 01_9 II Định nghĩa hàm Cú pháp định nghĩa hàm Lệnh return Hàm không trả giá trị Ngô Công Thắng - Bài giảng LTHDT - Chương 01_9 Cú pháp định nghĩa hàm Kiểu_trả_về Tên_hàm(Kiểu_1 Tên_tham_số_1, ... Ngô Công Thắng - Bài giảng LTHDT - Chương 01_9 21 Truyền đối số theo tham chiếu (tiếp)  Khi đối số đối tượng truyền theo tham chiếu tốt Bởi truyền theo tham chiếu hàm khơng phải copy đối tượng ... phải có Ngơ Cơng Thắng - Bài giảng LTHDT - Chương 01_9 10 Truyền đối số theo tham chiếu  Tham chiếu (reference) tên khác biến  Khi truyền đối số theo tham chiếu hàm không tạo biến mà thao tác trực

Ngày tải lên: 30/06/2023, 08:58

... Regexp.build(98, 99, 2000 2005) "04" =~ year # => false "2004" =~ year # => true "99" # => true =~ year num = Regexp.build(0 1_ 000_000) " -1" =~ num # => false You can determine the specifics of the ... of the... month = Regexp.build (1 12) "0" =~ month # => false "1" =~ month # => true "12 " =~ month # => true day = Regexp.build (1 31) "6" =~ day # => true "16 " =~ day # => true "Tues" =~ ... reading from files specified on the command line or STDIN and writing to STDOUT Each line of. .. erratum 19 Q UIZ 9 R OCK P APER S CISSORS Quiz Answer on page 12 1 9 Rock Paper Scissors Generals,

Ngày tải lên: 12/08/2014, 09:20

... numbers? Our goal is somewhere from 100 to Report erratum 2 39 A NSWER 23 C OUNTDOWN 99 9... solution to the quiz The challenge here is the proof of the strategy, which could be quite tricky ... method writes the Array delimiters to io, before and after the Posi tion search. The save( ) method that is called during the search will fill in the contents of the previously discussed Ruby source ... \n")) print " 1 2 3\n\n" end end end The move( ) method shows the board to the player and asks for a move. It loops until it has a valid move and then returns it. The other overrid- den

Ngày tải lên: 12/08/2014, 09:21

... [...]... Ruby [TH01] It’s also from the Pragmatic Bookshelf—indeed, Dave is one of the owners of the press But I’m not recommending their book because they’re my publisher They’re my ... recommending their book 1.3 Service After the Sale Everyday Scripting with Ruby has its very own Pragmatic Programmers’ web page at http://www.pragmaticprogrammer.com/titles/bmsft/ There, ... only the finished result The practice files that come with the book contain a series of snapshots for each of the first two projects The snippets of Ruby code in the book identify the

Ngày tải lên: 29/04/2014, 14:42

... lists, 15 Marshal, 73 Menu pane, 51, 125 Menus, 188–196 cascading and scrolling, 190f, 191f, 188–191 check and radio buttons, 192f floating toolbars, 196f, 194–196 separators, 191 toolbars, 194f, 193–194 ... manipulation of, 152f, 153f, 154f, 155f, 151–155 images, 150f, 149–150 menus 216 W IDGETS separators, 191 menus and, 188–196 cascading and scrolling, 190f, 191f, 188–191 check and radio buttons, 192f floating ... Toolbars, 194f, 193–194 Tooltips, 113 Tree lists, 123f, 126f, 121–126 U User interfaces, 142–158 cursors, 147f, 148f, 146–149 features, 142 fonts, custom, 145f, 143–146 icons, 156f, 157f, 155–157 image

Ngày tải lên: 29/04/2014, 14:42

... Verbs 113 Seventh-Inning Stretch 114 Collective Nouns 115 Indefinite Pronouns 116 The Pause That Refreshes 118 Walk This Way 119 Hide and Seek 119 Playing the Numbers 120 ... Round Up the Usual Suspects 193 Pencil Pusher 193 Using the Dictionary: You Could Look It Up 194 Who You Gonna Call? 195 Read the Labels 196 Shop Till You Drop 196 Specialized ... Versus Subordination 185 Parallel Structure: Trod the Straight and Narrow 186 Make It So 181 Time to Face Old Sparky 181 Parft: Tools of the Trade 191 15 The Writer's

Ngày tải lên: 08/07/2014, 11:20

... humor me. Circle the correct form of each verb in parentheses. Then identify the verb as regular or irregular. 1. Martin Buser (took/taking/taked) his third Iditarod title in the grueling Alaskan ... subject. The main verb does not add -s. Incorrect: Does the store opens at 10? Correct: Does the store open at 10? 3. Can and could • Can means am/is/are able. It may be used to show the ... Get the inside skinny in the following sections. Past Tense What's past may be past, but only if you get your past tenses straight. Use the follow- ing table to leave the past in the

Ngày tải lên: 08/07/2014, 11:20

... include the period, the question mark, the exclamation point, the colon, the semicolon, the comma, and the dash We look at these first Then we look at the other marks These... ... packaged. The sentences are also determined by the analysis. Thus the three sentences of the first paragraph distinguish (1) the covers on the conveyor belt, (2) the iron arms placing sealers on the ... in the water behind the drained frog; then the shadow glided away. The frog skin bag began to sink. Annie Dillard At the beginning of the description the frog is whole and alive, sitting in the

Ngày tải lên: 24/07/2014, 05:20

... 4 8 US_008_009_WD207.indd 9 9/1/09 16:45:00 010_011_WD207_SolarSystem.indd 11 5/12/08 14:39:09 11 5 SUN The Sun is a spinning ball of hydrogen and helium gas. These gases are the lightest ... the incredible visual guide 001_Prelims.indd 1 23/12/08 15:01:49 PLANET EARTH one million things US_001_Prelims.indd 1 9/1/09 16:39:11 002_003_Prelims.indd 2 23/12/08 15:02:44 LONDON, ... 9/1/09 16:39:19 004_005_Prelims.indd 5 5/1/09 11:39:05 Contents Life zones 94 Story of life 96 Biodiversity 98 Ocean life 100 Coral reefs and atolls 102 Wetlands 104 Forests 106 Grasslands 108

Ngày tải lên: 05/08/2014, 22:22

... Desert Sahara Namib Desert US_110_111_WD207.indd 110 9/1/09 17:39:09 110_111_WD207.indd 111 16/12/08 17:10:15 111  KALAHARI DESERT Lying at the heart of southern Africa, the Kalahari is a mixture ... communicate by drumming the sand with their legs Bactrian camel US_110_111_WD207.indd 111 9/1/09 17:39:18 112_113_WD207.indd 112 17/12/08 17:25:30 RECLAIMED LAND The massed owers of tulips ... Indian savanna Australian bush US_108_109_WD207.indd 109 9/1/09 17:38:52 110_111_WD207.indd 110 16/12/08 17:10:01 110 Deserts develop in very dry regions at the hearts of continents, in areas

Ngày tải lên: 05/08/2014, 22:22

... Trang 11 X | CONTENTS <00d6></00602> ences 218 Oe PP Q0 0 g1 ng ng ng n nà ung ng ng kg kg v vo 219 001400086 40010/2017110 S2 2ãN1nẺẽ -<A cee 220 coi 1 5 Má eae 221 6ô 45 ... uy àt 110 Floafing Quà 110 Sample Page LayouÌs 119 Creating ÊolUumns - 120 Adding a Page Header 126 Adding a Fo0fer 127 Putting lt All Together 130 Chapter 6: Structuring LisfS 136 Unordered ... The Box Model 94 Width and Height 95 Padding c 97 B0f@FS Q2 nhà 98 Margin 100 The dispLay Pr0perfy 104 Posifi0nig cu 107 1 áa 107 RelAfiVE ng nh nàn 108 AbsolUfe Q22 108 cA Q QQQ ng

Ngày tải lên: 07/08/2014, 17:21

... columns the cell should spread. The default value is 1. • • tAgs  |    rowspan—Specifies across how many rows the cell should spread. The default value is 1. abbr—An abbreviated version of the ... specify that the value of the element cannot be changed. It must be used in the format readonly=”readonly”. accesskey—Associates a keyboard shortcut to the element. tabindex—Where the element ... area form field. The initial value of the text area can be placed in between the opening and closing tags. See Chapter 9, “Forms.” Attributes [Common attributes] rows (required)—The number of

Ngày tải lên: 07/08/2014, 17:21

... Files 9 How to Create a Custom Smart Folder 9 Select File>New Smart Folder 10 Setting Up Smart Folder Rules 10 Add Another Criteria 11 Saving a Smart Folder 12 Edit/Delete Smart Folder 12 ... R&B 17 Ratings and Play counts 18 Track Info 19 Sample Smart Playlists 19 Old School Songs 20 Refreshing a Smart Playlist: Method 1 20 Refreshing a Smart Playlist: Method 2 21 Refreshing ... Smart Folder 12 Other Search Criteria 13 Sample Finder Folders 13 Recently Used Applications 14 PDFs Related to Photography 14 Recent JPEG Files 14 Recent Photoshop Search 14 Chapter 2: Smart

Ngày tải lên: 09/08/2014, 07:21

... 16 9 18 How to host a press conference 17 1 19 Overcoming national barriers 17 3 19 .1 The language barrier .17 3 19 .2 The cultural barrier 17 4 19 .3 Attitude 17 4 19 .4 Centralised ... [...]... .10 7 PART III Selected topics 11 5 14 Making websites 11 7 14 .1 Making trustworthy websites .11 7 14 .2 To CMS or not 11 9 14 .3 Case study: Fermilab’s webpages .12 1 14 .4 ... set-up 93 12 Distribution 95 12 .1 The press release visibility scale 96 12 .2 Address lists 99 12 .3 External distribution partners 99 13 Evaluation and archiving 10 3 13 .1 Qualitative

Ngày tải lên: 12/08/2014, 08:21

... 17 13 10 1 6 6 6 22 15 13 2 10 9 25 3 2 3 Convert the keystream letters from step 1 to numbers: 4 23 10 24 8 25 18 6 4 7 20 13 19 8 16 21 21 18 24 10 4 Subtract the keystream numbers ... expected, but 1 22 = 5 (27 - 22 ): 3 15 4 5 9 14 18 21 2 25 12 9 22 5 12 15 14 7 5 18 5 Convert the numbers from step 4 back to letters: CODEI NRUBY LIVEL ONGER That’s all there is to transforming ... erratum 36 Q UIZ 15 S OLITAIRE C IPHER 4 Convert the keystream letters from step 2 using the same method: 4 23 10 24 8 25 18 6 4 7 20 13 19 8 16 21 21 18 24 10 5 Add the message numbers

Ngày tải lên: 12/08/2014, 09:20

... [ 1, 3, 0, 3, 1 ], "1" => [ 0, 1, 0, 1, 0 ], "2" => [ 1, 1, 1, 2, 1 ], "3" => [ 1, 1, 1, 1, 1 ], "4" => [ 0, 3, 1, 1, 0 ], "5" => [ 1, 2, 1, 1, 1 ], "6" => [ 1, 2, 1, 3, 1 ], "7" => [ 1, 1, ... 0, 1, 0 ], "8" => [ 1, 3, 1, 3, 1 ], "9" => [ 1, 3, 1, 1, 1 ] } Report erratum A NSWER 2 LCD N UMBERS LCD_STATES = [ "HORIZONTAL", "VERTICAL", "HORIZONTAL", "VERTICAL",... Jump back to the ... explicitly show the in termediate results). For example, if the target number is 522 and the source cards are 100, 5, 5, 2, 6, and 8, a possible solution is as follows: 100 * 5 = 500 5 + 6 = 11 11 * 2

Ngày tải lên: 12/08/2014, 09:20

... like this: "Date","ISBN","Amount" " 2 008-04 -12 "," ;97 8 -1- 93 435 61- 0-4", 39. 45 "2008-04 -13 "," ;97 8 -1- 93 435 61- 6-6",45.67 "2008-04 -14 "," ;97 8 -1- 93 43560-7-4",36 .95 Our job is to take all the ... version of the PickAxe documents Ruby 1. 9. 2 Exactly what version of Ruby did I use to write this book? Let’s as k Ruby: % ruby -v r uby 1. 9. 1p0 (20 09- 01- 30 revision 2 19 07) [i386-darwin9.6.0] This ... some Ruby construct and the 1. 9 ver- sion, this book shows the new way. If you’re planning to use Ruby 1. 8 and not Ruby 1. 9, then I’d recommend putting this book down and instead looking at the...

Ngày tải lên: 23/03/2014, 02:20

... the origin of the sum as follows:  k≥ 1 1 (2k + 1) (2k + 3)! =  k≥0 1 (2k − 1) (2k + 1) ! . The ratio of two consecutive terms is t k +1 t k = (k − 1 2 ) (k + 1 2 )(k + 3 2 )(k +1) 1 4 . (3.3 .1) Hence ... associativity of addition, equals 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1, which by definition equals 9. ✷ However, thanks to the Indians, the Arabs, Fibonacci, and others, there is a deci- sion procedure ... prove that 3 × 3 = 9. A rigorous but ad hoc proof goes as follows. By definition 3 = 1 + 1 + 1. Also by definition, 3×3 = 3+3+3. Hence 3×3 = (1+ 1 +1) + (1+ 1 +1) + (1+ 1 +1) , which by the associativity...

Ngày tải lên: 20/12/2013, 19:15

... Methods 16 9 Using the Registry 17 4 Saving and Loading Registry Values 17 5 The User 17 7 User Parameters 17 8 The Session 18 4 The Browser 18 5 Assets 18 9 Summary 19 0 Chapter 8: Rendering Output 19 3 The ... Groups 14 1 Authentication 14 2 Content 14 4 Editors 14 6 Editors-xtd 14 8 Search 15 1 System 15 2 User 15 2 XML-RPC 15 5 Loading Plugins 15 5 Using Plugins as Libraries (in Lieu of Library Extensions) 15 6 Translating ... Plugins 15 9 Dealing with Plugin Settings (Parameters) 16 0 Packaging 16 1 XML Manifest File 16 2 File Naming Conflicts 16 5 Summary 16 5 Chapter 7: Extension Design 16 7 Supporting Classes 16 7 Helpers 16 8 Using...

Ngày tải lên: 23/12/2013, 10:15