chapter 3  objective c objects and messages

... /dhandler, /docs/component.mas may decline the request by calling $m>decline, which passes control to /docs/dhandler If /docs/dhandler calls $m->decline, it will pass control to /dhandler Each component ... may decline to handle a request, so that Mason continues its search for dhandlers up the component tree For instance, given components located at /docs/component.mas, /docs/dhandler, and /dhandler, ... $m->comp() or in place of the component name Second, you can access a component's parent by calling its parent() method, which returns another component object Third, you can access methods or attributes...

Ngày tải lên: 14/12/2013, 12:15

... again by choosing Help → Welcome to Xcode In the New Project window, click on Application under the Mac OS X section and select the Cocoa Application icon as shown in Figure 1-6 Click the Choose ... basic understanding of object-oriented concepts, it’s time to move on to Objective -C This chapter explains Objective -C s syntax for calling methods, defining classes, and creating objects Chapter ... start with Chapter 1, which will walk you through creating a basic Cocoa application Then move onto Chapter 4, which introduces object-oriented concepts If you know C and at least one object-oriented...

Ngày tải lên: 05/05/2014, 13:22

... 24,056,566 Liabilities and Net Assets Current liabilities: Vouchers and contracts payable Accrued wages and employee benefits payable Accrued vacation, current portion (Note 1) Workers’ compensation liability ... in capital assets Restricted for: Loans Tobacco prevention and control Capital projects Other purposes Unrestricted $ Total net assets 158,079,286 $ 277,692,872 See accompanying notes to basic ... Beginning Balance Governmental activities: Capital assets not being depreciated: Land Total capital assets not being depreciated $ Capital assets being depreciated: Land improvements Building and improvements...

Ngày tải lên: 18/06/2014, 20:20

... Subjective & Objective testing    Subjective & Objective terms the scoring methods All tests subjectively constructed by the test writer Objective tests: only one correct answer + scored mechanically ... difficulty determined by the test constructors + no indication that all objective tests - easy + carefully selected and constructed & rewritten where necessary + setting the pass-mark or the cutting ... tests cannot - test students’ ability to communicate - evaluate their actual performance  A good classroom test: objective & subjective items  III General principles of multiple choice items...

Ngày tải lên: 27/06/2014, 09:20

... to accounting so correct invoice can be prepared • How to make correct decision is complicated at Fitter Snacker Concepts in Enterprise Resource Planning, Second Edition 14 Invoicing • Accounting ... Second Edition 28 Customer Search Clicking on Sold-to party field produces a search icon Clicking on the search icon calls up a search window with numerous search options Figure 3-5 Search screen ... to the customer, faxed or transmitted electronically by EDI (electronic data interchange) or the Internet • The accounts receivable account is debited (increased) and sales account is credited...

Ngày tải lên: 14/04/2016, 15:54

... Using Classes and Objects • We can create more interesting programs using predefined classes and related objects • Chapter focuses on:          object creation and object references the ... String class and its methods the Java standard class library the Random and Math classes formatting output enumerated types wrapper classes graphical components and containers labels and images ... reserved 3-20 The Random Class • The Random class is part of the java.util package • It provides methods that generate pseudorandom numbers • A Random object performs complicated calculations based...

Ngày tải lên: 15/03/2014, 11:20

... Education, Inc Publishing as Pearson Addison-Wesley Slide 6- cin And cout Streams     cin  Input stream connected to the keyboard cout  Output stream connected to the screen cin and cout ... the file it is connected to Can have its value changed  Changing a stream value means disconnecting from one file and connecting to another Copyright © 2007 Pearson Education, Inc Publishing as ... Slide 6- 11 Streams and Assignment  A stream is a special kind of variable called an object  Objects can use special functions to complete tasks  Streams use special functions instead of the...

Ngày tải lên: 12/09/2012, 22:49

... pushed counterclockwise, freeing the hardened steel stop on the clutch control shaft A spiral spring then impels the clutch control shaft to rotate clockwise That movement throws out the clutch and ... notched circumferences Then a pick-up arm lifts the capacitor and it is carried to the required position by the action of a cam and follower Label feed Labels are taken out of the hopper by a carrying ... cable-driven conveyor and an automatic cradle for removing coils A double belt sandwiches shoe soles during their cycle around a spiral system and then separates to discharge the soles A matchbook carrier...

Ngày tải lên: 22/10/2012, 14:26

... processes; and failing to drain water draws Cathodic Protection Electrochemical corrosion control in the chemical processing industry is best taken care of using cathodic protection Electrochemical ... submerged in a conducting medium Typical conducting mediums include soil and water The base of any aboveground storage tank is vulnerable to electrochemical attack and corrosion Cathodic protection utilizes ... stress-corrosion cracking and a high coefficient of expansion Stress-corrosion cracking is a mechanicalchemical type of deterioration Many materials, even low-carbon steel, are subject to it in particular critical...

Ngày tải lên: 16/08/2013, 15:29

... hierarchical rows Column features Multicolumn Multiselection based on Resizing using mouse selection ranges dragging Visual features Each cell can display an image preceding text Look of each element ... and- drop can be styled Spring loaded containers Reordering using drag- that open after hovering and- drop over a closed container for a second Sorting by clicking on a column header; custom views can ... menus and buttons 3.4 Tabular and Hierarchical Information Many options exist to display hierarchical information in your user interface The most common are tree-like and table-like structures,...

Ngày tải lên: 17/10/2013, 19:15

... AC0 ; AC0 ˆ c3 mac AC1, T0, AC0 ; AC0 ˆ (c5 *x^2 ‡ c4 *x ‡ c3 ) j j mov *AR5À(#16, AC1 ; AC1 ˆ c2 mac AC0, T0, AC1 ; AC1 ˆ (c5 *x^3 ‡ c4 *x^2 ‡ c3 *x ‡ c2 ) j j mov *AR5À(#16, AC0 ; AC0 ˆ c1 mac AC1, T0, ... T0, AC0 ; AC0 ˆ (c5 *x^4 ‡ c4 *x^3 ‡ c3 *x^2 ; ‡ c2 *x ‡ c1 ) j j popboth XAR5 ; Restore AR5 mpyr T0, AC0, AC1 ; AC1 ˆ (c5 *x^4 ‡ c4 *x^3 ‡ c3 *x^2 ; ‡ c2 *x ‡ c1 )*x j j xcc _neg_result3, TC2 neg AC1 _neg_result3 ... 3.9 (continued ) j j bset mov j j bset mac j j mov mac j j mov mac j j mov mac SATD *AR5À(#16, AC1 FRCT AC0, T0, AC1 *AR5À(#16,AC0 AC1,T0, AC0 *AR5À(#16, AC1 AC0, T0, AC1 *AR5À(#16, AC0 AC1, T0,...

Ngày tải lên: 19/10/2013, 23:15

... you anticipate for your tree cycleHeader(index) Called when you click on the header of a particular column toggleOpenState Put code in here to be carried out when the view is expanded and collapsed ... collapsed setCellText (row, colID, value) Called when the contents of the cell have been edited performAction (action) An event from a set of commands can be invoked when you carry out a certain action ... this switch have been held up by a bug in gamma-corrected CSS color values and specified in both CSS1 and CSS2 3.5.3.1 Images in other XUL elements Image display is not the sole province of the...

Ngày tải lên: 20/10/2013, 09:15

... oncommand="goDoCommand('cmd_cut');"/> The command updater is the mechanism ... (moreEditItems) ... observes="cmd_hello" modifiers="accel,shift" />

Ngày tải lên: 20/10/2013, 09:15

... the CSS specification, so you may need to go one step further and use the format -moz-box-pack These special extensions to CSS are described in the section Section 4.2.3 in Chapter The most commonly ... the box but displays a scrollbar when the content exceeds the available space 3.9.4 Stacks and Decks A variant and special model of the box is available in the stack and deck elements Both are boxes, ... when a user clicks a button or in other places in the interface Example 3-18 Deck layer switching var deck = document.getElementById("fly-deck"); var selected = deck.getAttribute("selectedIndex");...

Ngày tải lên: 24/10/2013, 08:15

... and the locator is href 3.13 Building the Application Shell Now that the main XUL widgets and some crucial concepts like the box model have been described, you can bring things together and create ... up with a description element within that holds text You can also create your own tooltips To create your own content and customized appearance for a tooltip: Create the content Attach it to the ... provides a convenient launching point and is handled with dynamic overlays Chapter provides more information on this topic, in the section Section 6.2.3.3 3.11.2 Content Positioning Content positioning...

Ngày tải lên: 24/10/2013, 08:15

... ability to communicate effectively You develop specific skills along the way You know how to use various voice inflections to deliver a powerful and dynamic message and to keep your audience acutely ... stable, declining, or increasing level of occupancy You will also want to note differences between the overall market’s occupancy rate and that of the apartment you are considering Increasing ... difficult and can be done very cost effectively Passing the cost of the electric bill directly on to the tenants will likely necessitate an offsetting decrease in rents by approximately 70 percent...

Ngày tải lên: 07/11/2013, 14:15

... >>> counter >>> counter.count >>> c = counter() >>> c. count >>> counter.count >>> d = counter() >>> d.count >>> c. count >>> counter.count count is a class attribute ... and contain the same sequence of characters For class instances, you can define the cmp method and code the comparison logic yourself, and then you can use == to compare instances of your class ... has no concept of protected class methods (accessible only in their own class and descendant classes) Class methods are either private (accessible only in their own class) or public (accessible...

Ngày tải lên: 14/12/2013, 14:15

... Mr Darcy danced only once with Mrs Hurst and once with Miss Bingley, declined being introduced to any other lady, and spent the rest of the evening in walking about the room, speaking occasionally ... branch of the subject, and related, with much bitterness of spirit and some exaggeration, the shocking rudeness of Mr Darcy ‘But I can assure you,’ she added, ‘that Lizzy does not lose much by ... THAT, my dear; he actually danced with her twice! and she was the only creature in the room that he asked a second time First of all, he asked Miss Lucas I was so vexed to see him stand up with her!...

Ngày tải lên: 21/01/2014, 18:20

... with onunload, you can place a function in the ondialogaccept event handler that executes when the user clicks the OK button:

Ngày tải lên: 26/01/2014, 07:20