sams teach yourself c in 24 hours appendix

... Specifications: A Recap 320 Storing a Formatted String 322 Investigating Strings 323 A Note About Indexing Strings 323 Finding the Length of a String with strlen() 324 Finding a Substring Within ... Strings 328 Cleaning Up a String with trim() and ltrim()328 Replacing a Portion of a String using substr_replace() 329 Replacing Substrings Using str_replace 329 Converting Case 329 Breaking ... Breaking Strings into Arrays with explode()... 243 Converting IP Addresses and Hostnames 244 Making a Network Connection 245 Making an NNTP Connection Using fsockopen() 249 Sending Mail with

Ngày tải lên: 27/06/2014, 11:20

... Padding Specifier 317 18 Specifying a Field Width 318 Specifying Precision 319 Conversion Specifications: A Recap 320 Storing a Formatted String 322 Investigating Strings 323 A Note About Indexing ... Field 220 Accessing Information 2 21 Finding the Number of Rows Found by a Query 2 21 Accessing a Resultset... Example132 Defining the Class's Properties 13 3 Creating a Constructor 13 3 ... Brief Introduction to SQL 213 Connecting to the Database Server 214 Selecting a Database 215 Finding Out About Errors 215 Adding Data to a Table 216 Acquiring the Value of an Automatically Incremented

Ngày tải lên: 06/08/2014, 09:20

... precedence, which you will look at later in this section Automatically Incrementing and Decrementing an Integer Variable When coding in PHP, you will often find it necessary to increment or decrement ... interpreting the... Listing 4.7 defines and accesses a constant Listing 4.7: Defining a Constant 1: 2: 3: Listing 4.7 Defining a constant 4: 5: 6: 10: 11: Notice that we used the concatenation ... "bob", which is the value contained in $user. Listing 4.1 brings some of the previous code fragments together into a single script using a string stored in a variable to initialize and access a

Ngày tải lên: 06/08/2014, 09:20

... flow according to changing circumstances. We might want our script to behave differently according to a 94 parameter set in a URL's query string, for example. We could extract the ... function block. Changing a global variable within a function on the other hand changes the original and not a copy. Use the global statement sparingly. Figure 6.4: Successfully accessing ... we can call printBR() instead of the built -in print(), saving us the bother of typing the <br> element. Returning Values from User-Defined Functions A function can return a value using

Ngày tải lên: 06/08/2014, 09:20

... Method of a Parent Class The second_class class currently creates objects that behave in exactly the same way as first_class objects. In object-oriented code, child classes can override the ... In addition to the simple first_class class, we have created an even more basic second_class class. Notice the extends clause in the class declaration. This means that a second_class object ... sayHello() method in the second_class class is called in preference to that in the parent class. Calling an Overridden Method Occasionally, you will want the functionality of a parent class's

Ngày tải lên: 06/08/2014, 09:20

... Matthew Purcell Copy Editor Publication Services, Inc. Indexer Publication Services, Inc. Proofreader Publication Services, Inc. Technical Editor Jeffrey Pajor Publishing Coordinator Cindy Teeters ... Machine 141 Sequence Diagrams: The Generic Sequence Diagram 144 Creating an Object in the Sequence 146 Framing a Sequence: Sequence Diagramming in UML 2.0 149 Interaction Occurrences 149 Combined ... 96th Street, Indianapolis, Indiana, 4 6240 USA Teach Yourself in 24 Hours Joseph Schmuller UML THIRD EDITION 01.067232640X.FM.qxd 2/20/04 10:28 AM Page i Sams Teach Yourself UML in 24 Hours, Third

Ngày tải lên: 13/08/2014, 08:21

... single object of the associated class For example, in a typical college course, the course is taught by a single instructor The course and the instructor are in a one-to-one association In ... and capacity—along with the operations acceptClothes(), acceptDetergent(), turnOn(), and turnOff()—you have a mechanism for turning out new instances of the WashingMachine class. That is, you can ... actually building a washing machine) has to have enough in it to make accurate predictions about what will happen when the Operations acceptClothes() acceptDetergent() turnOn() turnOff() acceptBleach()

Ngày tải lên: 13/08/2014, 08:21

... and securing it Can we eliminate the duplication of steps from use case to use case? We can The... Soda Machine The soda machine use case model with inclusion Buy soda Customer Customer «include» ... to as including a use case More on Including Early versions of the UML referred to including a use case as using a use case You might still see the old way in print The term including has ... occurrence (In that spirit, see the accompanying sidebar “Extension, Inclusion,... according to sales” along with the inclusion relationships for “Restock” and “Collect.” FIGURE 7.4 A use case

Ngày tải lên: 13/08/2014, 08:21

... «destroy» Framing a Sequence: Sequence Diagramming in UML 2.0 UML 2.0 adds a useful touch to sequence diagrams... shows how to reuse that interaction occurrence in the incorrect change scenario ... circle. The exit point is an encircled X. The circles are on the border of the state icon. Input Registering User Input [Interval Over] [TimeOut] Watching System Clock Updating Display Working ... in the best-case scenario in the cell-phone–enabled soda machine Page 1 64 1: getButtonPress(creditCardNumber) 3: getButtonPress(selection) :Customer :CellPhone 2: processCustomerInfo(creditCardNumber)

Ngày tải lên: 13/08/2014, 08:21

... displayPrompt(“Use Correct Change”) update(cash,price) checkAvailability(selection) [cash > price] checkForChange(cash,price) releaseSoda(selection) FIGURE 11.17 Modeling the effect of an activity on ... watch stops displaying the time and changes its face to show it’s receiving a calibration signal from the U.S. atomic clock in Ft. Collins, Colorado. When recep- tion—which takes 3 to 6 minutes—is ... returnCash(cash) «transaction over» [selection avaliable] receiveSoda (selection) [cash > price] receiveChange(cash, price) «transaction over» [no change] displayPrompt(“Use Correct Change”)

Ngày tải lên: 13/08/2014, 08:21

... Library::Core::Abstractions::Relationships «instance of» «instance of» «instance of» «instance of» «instance of» «instance of» Class Association myLock:Lock Lock Key FIGURE 14.16 Instances within the ... When you create a class in your model, you have created an instance of a UML class. A UML class, in turn, is an instance of a metameta- class in the metametamodel. Going in the other direction, ... evolving Electricity profile. FIGURE 14.11 Creating a Capacitor stereotype. «Profile» Electricity Node «stereotype» Capacitor Interface «stereotype» ControlKnob FIGURE 14.12 The beginning of

Ngày tải lên: 13/08/2014, 08:21

... nouns that can become classes: customer, coat, cloakroom, coat-check ticket, hat, line, waiting list, cocktail lounge, drink, dinner, waiting area, table, busser, tablecloth, maitre d’, serving area, ... . The Customer leaves a Tip. . The Customer checks a Coat with a CoatCheckClerk. . The Customer checks a Hat with a CoatCheckClerk. Figure 17.4 shows the labeled associations. Customer Coat Server ... diagram . Creating and labeling associations between classes . Finding multiplicities . Deriving composites . Filling out the classes In this hour, you’ll continue with the conceptual analyses in the

Ngày tải lên: 13/08/2014, 08:21

... Clerk’s use cases are . Print a coat check . Print a hat check The software components in the coat-check clerk’s handheld should include a user interface screen that enables him or her to print the ... refresh your memory, return once again to the washing machine example Specifying the washing machine class—or to be notationally correct, the WashingMachine class—as having the attributes brandName, ... Preconditions . A totaled check Postconditions . A printed check Steps 1. The server clicks a button on the handheld to print the check. 2. The networked printer in the serving area prints the check.

Ngày tải lên: 13/08/2014, 08:21

... KnowledgeBase processSearchRequests() 1 * ProblemRecord conditions:String :UserInterface Rule UserInterface ifPart:String thenPart:String... either «forward chaining» or «backward chaining» to the composite ... actuator connects to the springs via a mechanical interface. The sur- face electrode captures asynchronous EMG signals from the user’s muscles and passes them to the CPU. Each EMG causes an interrupt ... the CPU to get back to where it was—its context—when the interrupt occurred. One type of interrupt is special: the clock tick. A sort of system heartbeat, the clock tick occurs at regular intervals

Ngày tải lên: 13/08/2014, 08:21

... edit the source HTML at all! Defining Cascading The term “Cascading in Cascading Style Sheets refers to a specific way in which browsers determine which styles to apply to a specific part of the ... design, and he teaches online courses in Web accessibility. In addition to writing, speaking at conferences, and teaching online courses, Kynn is the cofounder of Idyll Mountain Internet (http://www.idyllmtn.com/), a ... watermark. Contents Introduction 1 Part I Introduction to Cascading Style Sheets 7 Hour 1 Understanding Cascading Style Sheets 9 What Are Cascading Style Sheets? 10 Defining Style Sheets 10 Defining Cascading...

Ngày tải lên: 21/01/2014, 16:20

... watermark. Class Selectors in CSS Once you’ve defined a class in your HTML, you can use it as a class selector in CSS. Class selectors are indicated by a period (.) before the name of the class, ... property A Combining selectors A Combining declarations A The <link> tag in HTML A How to Read the Grades As you can see, all of the CSS features on this report card, which were introduced in Hour ... to the CSS specification, meaning that the buggy CSS implementation in Internet Explorer 3 really isn’t a factor in current CSS usage. The current front-runner in broken browsers—causing the...

Ngày tải lên: 21/01/2014, 16:20

... purchase PDF Split-Merge on www.verypdf.com to remove this watermark. HOUR 7 Cascading and Inheritance The cascade is one of the key concepts of Cascading Style Sheets—so important, in fact, ... calculated based on the current font. Other units you can use include points ( pt), centimeters (cm), inches (in) , and percentages. To set a margin of 1 em around a specific box, such as an <h1>,you’d ... block or inline? How can you tell? 2. What is the correct order of the box model, from outside to inside? (a.) border, margin, padding, content (b.) padding, border, margin, content (c. ) margin,...

Ngày tải lên: 21/01/2014, 16:20

... behind links: body { background-color: white; color: black; } a:link { background-image: url("stars.gif"); background-color: black; padding: 0.5em; color: cyan; } 15 0672 3240 91 ch10 ... value because background-color doesn’t naturally get inherited from the containing block. If you really need the background-color property to inherit, you can use the value inherit. In practice, ... not necessarily to the Web page. For example, the page URL might be http://www.CSSin2 4hours. com/author/ index.php, and it links in an external style sheet located at http://www.CSSin2 4hours. com/ styles/site.css....

Ngày tải lên: 21/01/2014, 16:20

... word spacing in Netscape 6. word spacing letter spacing (kerning) letter spacing (leading) Warning for Netscape 4 The Netscape 4 browser does not support the letter-spacing or word-spacing properties. ... unreliable across browsers. The vertical-align property lets you specify how text is aligned within an inline box and can create subscripts or superscripts. Using the letter-spacing and word-spacing ... browser can determine the precise thickness however it likes, though within certain constraints; thin can’t be thicker than medium, thick can’t be thin- ner than medium, and when displaying a page,...

Ngày tải lên: 21/01/2014, 16:20

... italic; } col#mon { background-color: silver; } col#tue { background-color: lime; } col#wed { background-color: violet; } col#thu { background-color: yellow; } col#fri { background-color: #CCF; ... use Cascading Style Sheets to produce minor stylistic effects, such as font types, letter spacing, and paragraph indenting. More extensive effects can be created by setting foreground and background ... that lines up the baselines of each cell, so that the first line of each row is aligned with each other line in that row. LISTING 15.10 Setting the Vertical Alignment of Table Cells /* schedule-15.10.css...

Ngày tải lên: 21/01/2014, 16:20