xml in 21 days

... message_grouping IN BINARY_INTEGER DEFAULT none, comment IN VARCHAR2 DEFAULT NULL, auto_commit IN BOOLEAN DEFAULT TRUE, primary_instance IN BINARY_INTEGER DEFAULT 0, secondary_instance IN BINARY_INTEGER DEFAULT ... enqueuing and dequeuing are enabled Placing Messages in a Queue After creating and starting a queue, you place messages in the queue by enqueuing them.Enqueuing a message involves these steps: 1 Instantiate ... is the input to theJava method The EXECUTEstatement in line 7 calls the Java method by using the inter-face published in Listing 20.11 Lines 11–15 show the value of the emp_idvariable beingdisplayed

Ngày tải lên: 24/12/2013, 12:17

... ‘Connect String1 to’ || ‘ String2’; BEGINDBMS_OUTPUT.PUT_LINE(v_String1); DBMS_OUTPUT.PUT_LINE(v_String2); END; / Your output looks similar to Connect String1 to String2Connect String1 to String2 4 ... declared in lines 3–4 The corresponding variables are declared in lines 7–8 The tables are initialized by calling their constructor meth- ods in lines 12–13 Because we know that we are going to ... CONCATto link two strings together Repeat the same line by using ||insteadofCONCAT Here is one solution: DECLAREv_String1 VARCHAR2(60) := CONCAT(‘Connect String1 to’, ‘ String2’); v_String2 VARCHAR2(60)

Ngày tải lên: 21/01/2014, 18:20

... 421 Interfaces: A First Look 422 Classes Versus Interfaces .422 Using Interfaces .423 Why Use Interfaces? .423 Defining Interfaces .424 Defining an Interface with Method Members .424 Specifying ... Understanding the Basics of Inheritance 350 Delving into Simple Inheritance .351 Inheritance in Action .354 Using Base Methods in Inherited Methods .359 Exploring Polymorphism and Inherited Classes ... Debugging? .320 Understanding the Types of Errors .321 Finding Errors .321 Encountering Syntax Errors .321 Encountering Runtime Errors 321 Tracing Code with Code Walkthroughs .322 Working with

Ngày tải lên: 13/08/2014, 08:20

... listing This included seeing a special identifier used as a starting point in an application:Main(). After you examined a listing, you dug into storing basic information in a C# application using ... point into an intor a uint? What happens if you try to store a negative number into a uint? Listing 2.5 answers all three questions L ISTING 2.5 int_conv.cs—Doing Bad Things Trang 1012: uint ... to include the intkeyword again Lines 21–22 print the values of first_varandsecond_var In Lines 25–26, new values are assigned to the two variables Lines 29–30 then reprint the values stored in

Ngày tải lên: 13/08/2014, 08:20

... beginning of the Mainroutine Lines 20–21 declare two Lineobjects, called line1andline2 Lines 28–29 set the ending point of line1, and Lines 33–34 set the ing point of line2 Going back to Lines 24–25, ... difference in this Lineclass Instead ofeach object that is created from the Lineclass containing an origin point, only one originpoint is shared by all instances of Line Line 18 is the beginning of ... StatLine.cs- A class with two data members 2: 3: 12: static public Point origin= new Point(); 13: public Point ending = new Point(); 20: Line line1 = new Line(); 21: Line line2 = new Line();

Ngày tải lên: 13/08/2014, 08:20

... ISTING 7.9 Fname.cs—Using Arrays 1: // Fname.cs - Initializing an array Trang 18Listing 7.9 creates, initializes, and instantiates an array of characters called namein Line 10 The namearray is instantiated ... instancexandyvariables, the thiskeyword is used in Lines 11–12 Line 25 illustrates a normal instantiation using the Pointstructure You could also have instantiatedpoint1by just entering this without the newoperator ... continue to operate Line 27 contains a switchstatement that switches based on the value in myColor In Lines 29–35, the casestatements in the switchdon’t contain literal numbers; they contain the

Ngày tải lên: 13/08/2014, 08:20

... following warnings when you compile this listing: Lines.cs(102,16): warning CS1030: #warning: ‘In Main ’ Lines.cs(106,16): warning CS1030: #warning: ‘Done with main’ Lines.cs(203,16): warning CS1030: ... define values in a listing or to define them on the compile line? A If you define a value in a listing, you must remove it or undefine it in the listing. By defining on the command line, you don’t ... the listing when compiled Line 38 contains a second #ifcheck, again for DEBUG This time, a value is printed at thebeginning of each line This value is the length of the line being printed This

Ngày tải lên: 13/08/2014, 08:20

... information on obtaining input from Console and converting it to a more usable format Note Starting on Day 16, “Creating Windows... This listing initializes and prints two variables In Lines 9–10, ... the string that the listing will be building In Line 11, a string is created named buffer that will be used to get information from the user This information is obtained in Lines 15, ... exercises. In Line 63, you see the beginning of the Main method for this application. Lines 69–102 contain a do while that loops for each person being entered. Lines 71–75 contain a nested

Ngày tải lên: 13/08/2014, 08:20

... TheACharclass is used in the myAppClassclass In Lines 25–26, two ACharobjects are ated.aaawill contain a, andbbbwill contain b In Line 33, these values are printed InLine 30, the value of 3is added to aaa ... overloading the ToStringmethod (Lines 83–85), you gain the bility to “print” the class When you display the class as shown in these lines, the capa-ToStringmethod is automatically called Overloading ... is determined bythe return type and parameters of a method For example, all of the following are differ-ent signatures: mul-int mymethod( mul-int x, mul-int y ) int mymethod( int x ) int mymethod(

Ngày tải lên: 13/08/2014, 08:20

... code in Listing 16.1 Trang 3In Line 4, the listing uses the System.Windows.Formsnamespace, which enables the Form andApplicationclass names to be shortened In Line 6, this application is in a ... your windows forms more usable Note With the single line of code (Line 6), you have actually created the form’s application class In Line 10, you instantiate an object from this class In Line ... the Pointobjectwithout fully qualifying its name, you need to include the System.Drawingnamespace, as in Line 5 In Line 18, you see that an additional property has been set If you leave out Line

Ngày tải lên: 13/08/2014, 08:20

... in Line 19 This listing uses everything you’ve read about in today’s lesson up to this point In Line 16, a connection string named myConnectionStringis created This includes informa-tion to use ... listing is missing excep-tion handling In an exercise at the end of today, excepexcep-tion handling will be added You should always include exception handling in your applications Adding, Updating, ... added to this listing The code for connecting and accessing the database is con-tained within a trystatement starting in Line 33 If an error occurs with the database, instead of having the application

Ngày tải lên: 13/08/2014, 08:20

... values are printed. This is done by first changing the current attrvalue to be a CodeStatusvalue using cast-ing (in Line 17) If Line 15 is confuscast-ing, review the inheritance lessons in Days 10, ... “Brad” In Line 13, you can see that a Testernamed parameter is also included Line 21 contains the minimum parameters—it contains only a positional value. Accessing the Associated Attribute Information ... is) LISTING21.5 continued ANALYSIS Trang 6Pulling It All TogetherUp to this point, you have seen all the parts of creating an attribute, associating it with your classes, and getting the information

Ngày tải lên: 13/08/2014, 08:20

... theburden of being virtually a single parent while I was holed up in the office, pouring my best efforts into Sams Teach Yourself Database Programming with Visual C++6 in 21 Days Introduction ... Programming with Visual C++ 6 in 21 days Day 1-Choosing the Right Database Technology Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Trang 14In Listing 1.3, line 1 defines ... pointers) to objects to be stored in the database. The new operator in line 30 has been overloaded in d_Object to take a pointer to a d_Database instance as a parameter The call to new in line

Ngày tải lên: 13/08/2014, 08:20

... SELECT into your system, you might get the following response: INPUT: SQL> SELECT; OUTPUT: SELECT * ERROR at line 1: ORA-00936: missing expression The asterisk under the offending line indicates ... powerful calculations in a SELECT statement. Modulo (%) The modulo operator returns the integer remainder of the division operation. Using the table REMAINS, type the following: INPUT: SQL> SELECT ... Molding the Data You Retrieve Day 5 Clauses in SQL Day 6 Joining Tables Day 7 Subqueries: The Embedded SELECT Statement Week 1 in Review Week 2 at a Glance Day 8 Manipulating Data Day 9 Creating...

Ngày tải lên: 06/08/2013, 17:39

... creating, 54 creating (security exam- ple), 538-539 data integrity (maintain- ing), 300-304 listing, 302 defining, 299-300, 313, 319 delete, 296 enabling/disabling, 310-311 event, 311-312 defining, ... 143 loops, 121 CURSOR FOR, 254 debugging, 136 FOR, 121- 122, 146 common errors, 124 EXIT statement, 140 listing, 121 nesting, 121 guidelines, 147 incrementing through, 123-124 listing, 123 infinite, ... 281 adding\removing data, 283-284 declaring, 282-283 variables binding, 455 queries, 461 BLOB, initializing, 160 CLOB, initializing, 160 cursors, 257-261 as arguments, 260-261 assigning, 260 declaring,...

Ngày tải lên: 20/10/2013, 17:15

... Yourself ANSI C++ in 21 Days, Premier Edition, is a new edition of the international bestseller, Teach Yourself C++ in 21 Days. This Premier Edition offers more than just 21 days of learning ANSI/ISO ... Member Functions of cin 480 Single Character Input 480 Getting Strings from Standard Input 482 Using cin.ignore() 485 peek() and putback() 486 Output with cout 487 Flushing the Output 487 Related ... paradigm used in C programming and start thinking in objects. Where You Are Going The first week covers the material you need to get started with programming in general, and with C++ in particular....

Ngày tải lên: 20/10/2013, 17:15

... 99 5Implementing Loops and GOTO s 127 6Using Oracle’s Built -In Functions 155 7Procedures, Packages, Errors, and Exceptions 189 W EEK 1 In Review 217 W EEK 2 At a Glance 219 8Using SQL 221 9 Manipulating ... Entries into an Index-by Table 267 Referencing Values in an Index-by Table 268 Changing Table Entries 270 Deleting Table Entries 270 PL/SQL Table Methods 271 Using Nested Tables 274 Declaring a ... generated line numbers and the listing line numbers, the listings have been edited to show only one set of line numbers. For example, when typing in a simple PL/SQL block, SQL*Plus would generate line numbers...

Ngày tải lên: 07/11/2013, 20:15

... A nested anonymous block begins on line 14 and ends on line 21. Lines 6 through 9 define the name_print procedure. The variable a_name is declared in the outermost block (see line 4), thus any nested block, ... watermark. Writing Declarations and Blocks 59 2 22: 23: DBMS_OUTPUT.PUT_LINE(‘Back in the main block’); 24: 25: But we cannot compile the following line because b_name 26: is not defined in this block. 27: ... successfully completed. Line 5 begins a PL/SQL anonymous block. The iifn function is declared within the scope of this outer block (see lines 8 through 21) . The keyword BEGIN in line 22 marks the start...

Ngày tải lên: 07/11/2013, 20:15

... typing the keyword BEGIN : BEGIN Because you are not performing anything in this function except returning a value, you will code a NULL statement, which is discussed later in this lesson in ... 4.15. L ISTING 4.15 Nesting FOR Loops BEGIN FOR v_outerloopcounter IN 1 2 LOOP FOR v_innerloopcounter IN 1 4 LOOP DBMS_OUTPUT.PUT_LINE(‘Outer Loop counter is ‘ || v_outerloopcounter || ‘ Inner Loop ... longer string and then does the comparison. Trailing spaces alone will not result in any differences being found between two springs. Oracle also does the same thing when comparing two string constants....

Ngày tải lên: 07/11/2013, 20:15

... (inverse) cosine of a number, expressed in radians. ASIN Returns the arc (inverse) sine of a number, expressed in radians. ATAN Returns the arc (inverse) tangent of a number (x), expressed in ... Oracle into stepping through a FOR loop. The WHILE loop gives you more flexibility in looping, whether you are stepping through a loop or even executing a loop. Listing 5.9 demonstrates stepping ... CHAR or VARCHAR2 string into a DATE value. TO_LABEL Converts a CHAR or VARCHAR2 string into a MLSLABEL . TO_MULTI_BYTE Converts any single-byte string of characters into a multibyte string. TO_NUMBER Converts...

Ngày tải lên: 15/12/2013, 05:15