sams teach yourself advanced c in 21 days pdf
Contents i What’s New with This Edition Teach Yourself ANSI C++ in 21 Days, Premier Edition, is
Ngày tải lên :
20/10/2013, 17:15
... and its application in C+ + is discussed on Day 12,
“Inheritance” and Day 15, Advanced Inheritance.”
Inheritance, in computer science, is the creation of new objects from other objects
that are ... program. You can include C+ +-style comments
within a block that is “commented out” by C- style comments; everything, including the
C+ +-style comments, is ignored between the comment marks.
Using Comments
As ... matter.
—J. Mark Hord
Teach Yourself ANSI C+ + in 21 Days
xxii
P2/V3/sqc5 TY ANSI C+ + in 21 30887-6 Casey 2.23.96 FM LP#3
Searching 712
The Straightforward String Search 712
The Binary Search 714
Summary...
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sams - teach yourself oracle 8 in 21 days
Ngày tải lên :
07/04/2014, 15:58
... slower components. Because faster components are typically the most
expensive, you must perform a balancing act between speed and cost efficiency.
CPU and Cache
Teach Yourself Oracle 8 In 21 Days
... for certain functions, including data integrity, recovery
from failure, error handling, and so on. This is accomplished via events such as checkpointing,
logging, and archiving. The following ... utilities and networking components to connect you to the correct instance.
A SID is up to four alphanumeric characters in length and is required in order to connect to an Oracle
instance. The SID is...
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sams teach yourself java 6 in 21 days 5th edition
Ngày tải lên :
24/04/2014, 16:04
... of a Class of Objects
18
Creating a Class
19
Running the Program
21
Organizing Classes and Class Behavior
24
Inheritance
24
Creating a Class Hierarchy
26
Inheritance in Action
28
Single ... about interfaces and packages, which are useful for
grouping classes and organizing a class hierarchy.
2
Sams Teach Yourself Java 6 in 21 Days
www.it-ebooks.info
Overriding Methods 136
Creating ... 532
Certification Practice
532
Exercises
533
xvi
Sams Teach Yourself Java 6 in 21 Days
www.it-ebooks.info
Each class farther down the hierarchy becomes more tailored to a specific purpose. A
class...
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Teach Yourself C in 21 Days pdf
Ngày tải lên :
04/07/2014, 20:21
... statement in main().
The #include Directive (Line 2)
The #include directive instructs the C compiler to add the contents of an
include file into your program during
compilation. An include file ... for the
Indy PC News magazine.
Introduction
your source code. In the second step, you compile the source code to create
an object file. In the third step, you link the
compiled code to create ... type
within the code appear in italic monospace. New or important terms appear
in italic.
â Copyright, Macmillan Computer Publishing. All rights reserved.
Teach Yourself C in 21 Days
- 1 -
Getting...
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Teach Yourself PL/SQL in 21 Days- P16
Ngày tải lên :
20/10/2013, 17:15
... CHANGE, 520
CLOSE_CURSOR, 456
COLUMN_VALUE, 463
creating, 190, 192
debugging information,
193
declarative part, 190
defining, 52-53
listing, 53
dependencies, discovering,
192
exception-handling ... 158
TRUNC, 158
numbers
absolute values, returning,
158
arc cosines, returning, 158
arc sines, returning, 158
arc tangents, returning,
158
converting to strings,
174-175
converting strings to, ... 190
dropping, 197
invoking, 194, 199
listing information, 195
recompiling, 193-194
storing objects
as columns, 345-347
retrieving/updating,
347-349
object tables, 349,
351-356
creating, 350
inserting...
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Teach Yourself PL/SQL in 21 Days- P1
Ngày tải lên :
07/11/2013, 20:15
... 2 Sams Teach Yourself PL/SQL in 21 Days, Second Edition
Many of the chapters build on each other. As the book progresses from chapter to chap-
ter, topics are covered in more detail and complexity, ... network traffic.
Why are these problems? The procedural logic on client machines can quickly become
out of sync if the software is upgraded. It can also be implemented incorrectly, resulting
in a loss ... Expressions 86
Converting Datatypes 92
Implicit Conversion 92
Explicit Conversion 94
vi Sams Teach Yourself PL/SQL in 21 Days, Second Edition
00 7982 fm 11/30/99 1:24 PM Page vi
Please purchase PDF Split-Merge...
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Teach Yourself PL/SQL in 21 Days- P2
Ngày tải lên :
07/11/2013, 20:15
... can be a power-
ful construct. If you code a comparison only once, you can go back and
change the calculation later without having to find and change several
occurrences in your program. It can ... however, can access the value of a_name.
30: name_print;
31: END;
32: /
Jeff Gennick
Inside nested block
Jeff Gennick
Jenny Gennick
Jeff Gennick
Back in the main block
Jeff Gennick
The code shown in ... 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, procedure, or function has access...
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Teach Yourself PL/SQL in 21 Days- P3
Ngày tải lên :
07/11/2013, 20:15
... reduce
the total lines of coding and take a modular approach to writing code. You can retype in
each PL/SQL block the same repetitive lines of code, or you can write a function. Then,
you can call ... When I am comparing strings, especially when comparing a
CHAR
string to a
VARCHAR2
string, is there a convenient way to tell PL/SQL to ignore any trail-
ing spaces in the
CHAR
string?
A Yes. ... 995.99
PL/SQL procedure successfully completed.
The code in Listing 3.10 illustrates some common implicit conversions. The first
assignment, in line 11, causes no conversion at all because a string is...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P4 pptx
Ngày tải lên :
15/12/2013, 05:15
... try using recursion to calculate the factorial of an integer. First, you need to create
the function
FACTORIAL
by executing the code in Listing 5.24.
L
ISTING
5.24
Creating the FACTORIAL Recursive ... and
the decimal point.
ã
NLS_CURRENCY
Specifies the local currency.
ã
NLS_ISO_CURRENCY
Characters to represent the ISO currency symbol.
You can make some decent format attempts for numbers in a column. ... v_Calc NUMBER := 0;
3: BEGIN
4: WHILE v_Calc >= 10 LOOP
5: v_Calc := v_Calc + 1;
6: DBMS_OUTPUT.PUT_LINE(‘The value of v_Calc is ‘ || v_Calc);
7: END LOOP;
8: END;
9: /
In Listing 5.7, the condition...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P5 doc
Ngày tải lên :
15/12/2013, 05:15
...
PUT_LINE
command line that you can include
inside a procedure.
L
ISTING
7.2
The
PUT_LINE
Command Within a Procedure
CREATE OR REPLACE PROCEDURE emp_change_s (i_emp_id IN integer)
AS BEGIN
UPDATE ... the specification
declares a function and two procedures. Then the package body contains the actual logic
for the items declared in the specification:
CREATE PACKAGE employee_maint
AS
Procedure ... place too many items in the
package specification; specifically, avoid
placing in the package specification items
that need to be compiled. Changes to a
package body do not require Oracle to
recompile...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P6 docx
Ngày tải lên :
15/12/2013, 05:15
... assignment
FETCH stock_cv_1 INTO stock_rec; fetch first record from cursor
FETCH stock_cv_2 INTO stock_rec; fetch second record from cursor
FETCH stock_cv_2 INTO stock_rec; fetch third record from cursor
CLOSE ... (stock_cv_1 in out stock_cur_type,
stock_cv_2 in out stock_cur_type);
stock_rec stocks%rowtype;
BEGIN
OPEN stock_cv_1 FOR SELECT * FROM stocks; open the cursor
stock_cv_2 := stock_cv_1; cursor ... stock_purchase;
The package body is
CREATE PACKAGE BODY stock_purchase as
CURSOR stock_cur return stock%rowtype
SELECT stock_type, stock_name, curr_prics
FROM stocks
WHERE stock_type = :stock_type;
Note...
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