... use the standard libraries and any other libraries other than the Ruby core, you will need to require them in your program:require 'base64'In addition to the standard libraries, you ... code. For example, writing a program that uses several chunks of code from this book does not require Preface | xiSau Sheong Chang Exploring EverydayThings with Rand Ruby PrefaceExplorers Ahoy!It’s ... of other unofficial R user interfaces, such as R Commander and RStudio. RStudio has a very nice R environment that runs on the server but is accessible through the browser. Another alternative...
... book (and also in Ruby programming), are arrays and hashes.Arrays are indexed containers that hold a sequence of objects. You can create arrays using square brackets ([]) or using the Array ... professionals use Safari Books Online as their primary resource for research, problem solving, learning, and certification training.Safari Books Online offers a range of product mixes and pricing ... strength for building desktop graphical user interfaces. Among the other more popular Ruby UI toolkits (in case you want to get serious later on) are FXRuby, WxRuby, qtRuby, and Tk. If you’re...
... number type does helpyou avoid many numeric type errors. However, integers are fast, CPU-friendly, and thepreferred choice for many programming tasks in other languages.JavaScript’s number representation ... numbers into an appropriate integer type for JavaScript’s rarely used bitwiseoperators. Though sometimes incorrectly dismissed as slow and irrelevant to web pro-gramming, some of these operators ... http://en.wikipedia.org/wiki/The_Tortoise _and_ the_Hare25used for the computers of the day required a good understanding of binary and hexa-decimal notation. Binary numbers are rarely used in web programming,...
... betterPrepare a Separate Android StylesheetI’m as DRY as the next guy, but in the real world you’re better off making a clean breakbetween your desktop browser stylesheet and your Android ... starting color, and the ending color.You cannot reverse the horizontal and vertical portions of the four gra-dient start and stop point constants (i.e., left top, left bottom, righttop, or right ... requeststo a web server without reloading the current page (e.g., to retrieve some HTML, submita form). This approach makes for a very smooth user experience, but does require thatyou reinvent a lot...
... Squid, offer entry-level hosting with PHP for under $10 a month.• Host them on a web server running on your computer and connect to the webserver running on your computer from your Android phone. ... the border-image property, I found it oddthat I had to specify the border widths when I had already done so with the border-width property. After some painful trial and error, Idiscovered that ... you’ll get to run the Android ver-sion of your site whether you load it from a phone or the desktopbrowser.Regrettably, Internet Explorer will not understand these expressions, so we have to...
... black and white drawing. Some like to use heavier lines in darker areas and thinnerlines closer to light. Others may use a more uniform line but then render theirtexture with extensive and sometimes ... Layers list (just before the Layers header).You now have a fresh ink layer to work over your rough draft.Figure 10-1:Create anew layerfor inks inthe NewLayer dialogbox.188Part III: Refining ... a group of markers of various sizes and shapes. (Examples of linesdrawn with each type of marker are shown in Figure 10-5.)The options in the Marker tool’s menu areߜ Round Marker: The first...
... inhalation and intravenous antibiotics). Microbial counts of P. aeruginosa, lung function measurements, and inflammatory markers were determined before and after treatment. Results: The sugar inhalation ... 595-599. 16. Sofer D, Gilboa-Garber N, Belz A, Garber NC: “Subinhibitory” erythromycin represses production of Pseudomonas aeruginosa lectins, autoinducer and virulence factors. Chemotherapy 1999; ... authors declare no conflict of interest. This study was registered at the University of Hamburg, Germany. References 1. Davis PB, Drumm M, Konstan MW: Cystic fibrosis. Am J Respir Crit Care...
... parrot from Australia. rhea The rhea is a large, flightless bird from South America. roadrunner The roadrunner is a bird is a fast running bird that rarely flies. robin ... radish A radish is a sharp-tasting vegetable that grows underground. raisin Raisins are dried grapes. raspberry Raspberries are a type of edible berry that grows on a prickly ... radio A radio lets you hear broadcast music and talk shows. refrigerator A refrigerator is a machine that keeps food cold. remote control A remote control lets you operate...
... NEIGHBORHOODPERIOD 14. PRESENT PERFECT WITH SINCE AND FORA. Revision: The Present Perfect Tense 1. Form - Affirmative: S + has/have +V3/ed…. - Negative: S + has/have + not + V3/ed… - Interrogative: ... FOR: - For + a period of time (FOR + khoảng thời gian:) For two hours/a week/20 minutes/50 years/five days/a long time/six months/agesHe has worked here for a year. (He began working here ... week.3 Jorge (read)____________ the newspaper for an hour.4 ______ Maria (l earn)_____________ English since grade 6?5 He (swim)_____________ for half an hour.6 How long ____________ Mr. Johnson...
... (+ O) (+ prep) + V-ingEXERCISE1. “Please type this letter for me” The director said to his secretary.………………………………………………………………………….2. “Lie down on the floor” The robbers said to everybody at ... Said the Trade Union Officer.…………………………………………………………………………….8. “Don’t touch that wire with your wet hand.” said the teacher.……………………………………………………………………………Prepared by Nguyễn Thị Ngọc Trân26. ... you be back early?” he asked her.………………………………………………………………………………………… Prepared by Nguyễn Thị Ngọc TrânREPORTED SPEECHChange the following sentences into reported speech:1. “Come and see me if...
... for groups of four. One student is the referee and has a piece of paper with the sentence in the correct order, with one extra space included, representing the 'mine'. The other players ... players play with a piece of paper with numbered blanks and the words mixed up. They take it in turns to nominate words for each blank. Each word correctly placed scores a point for that player ... students in groups of three, give each student a number, 1, 2, or 3 and ask them to say one word from their box in turn. Explain that the boxes are in order but the words are not. Encourage them...
... reported speech with infinitive and gerundExercise 1. Rewrite each of the following sentences in reported speech.Using advise, beg, introduce, invite, offer, order, promise, remind, ... borrowed your car for some hours” the man said. (admitted) 16. “ I’m sorry I damaged your tape recorder, Mike.” Said Bob. Bob apologized 17. “ You damaged my camera’ said Jane to Henry. ... appropriate. 1. The girl said to Jim, “ Would you give your book to Mary?” ( ask, tell order) The girl 2. The little said to her father, “ Daddy, I really like tricycle. Can we buy it?” (require,...