teach yourself tcp ip in 14 days 2nd edition

... application into a common format, often called Teach Yourself TCP/ IP in 14 Days, Second Edition The second edition of Teach Yourself TCP/ IP in 14 Days expands on the very popular first edition, bringing ... issued in 1981, standardizing TCP/ IP version 4 for the ARPANET. In 1982, TCP/ IP supplanted NCP as the dominant protocol of the growing network, which was now connecting machines across the continent. ... Recombining is the reverse of splitting, so that several connections are combined into a single one for the layer above. Multiplexing and splitting (and their reverses, demultiplexing and recombining)...

Ngày tải lên: 09/11/2013, 02:15

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Ngày tải lên: 17/01/2014, 08:20

... This Edition Teach 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 ... 747 D Answers 757 Index 831 iii Contents P2/V3/sqc5 TY ANSI C++ in 21 30887-6 Casey 2.23.96 FM LP#3 teach yourself ANSI C++ in 21 days, Premier Edition Teach Yourself ANSI C++ in 21 Days ii P2/V3/sqc5 ... 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....

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Ngày tải lên: 24/04/2014, 16:04

... with, 144 syntax, 143 nesting, 148 order of execution, 125 REPEAT UNTIL, 144 -146 example, 145 simulating, 145 reversing, 122-123 listing, 122 selecting, 146 spacing, 148 style tips, 148 -149 FOR ... 147 incrementing through, 123-124 listing, 123 infinite, 144 , 380 jumping into (GOTO), 130 labels, 142 -143 changing execution order, 143 listing, 142 syntax, 142 LOOP, 144 , 146 example, 144 EXIT ... 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,...

Ngày tải lên: 20/10/2013, 17:15

... Example of a Simulated REPEAT UNTIL Loop 145 What Loop Should I Use? 146 Loop Guidelines 146 Style Tips for Loops 148 Recursion 149 Guidelines 149 Practicing Recursion 150 Why Use Recursion? 152 Summary ... 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 ... Writing Database Triggers 293 12 Using Oracle8i Objects for Object-Oriented Programming 333 13 Debugging Your Code and Preventing Errors 371 14 Leveraging Large Object Types 401 W EEK 2 In Review...

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: ... value of a_name in line 12, the nested block displays the value of a_name in line 18, and in line 30 of the outer block, the nested procedure name_print is called to also print the value of...

Ngày tải lên: 07/11/2013, 20:15

... 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 ... returning a NUMBER . The next line to enter is RETURN NUMBER IS You now need to start the body of your function by typing the keyword BEGIN : BEGIN Because you are not performing anything in this ... 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 ... 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 ... fine-tuning Oracle to speed up the process. Tip An Example of a Simulated REPEAT UNTIL Loop Enter the code in Listing 5.20. You are still calculating the area of a circle as you did in Listings...

Ngày tải lên: 15/12/2013, 05:15

... the SQL*Plus prompt. The code in Listing 7.2 illustrates the 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 ... left in the given month. LAST_DAY(input_date_passed) You will compute the last days in the month when summer officially starts from 1999. Execute the code in Listing 6.27. L ISTING 6.27 Finding ... using the SYSDATE ,the corresponding time value is returned when the function is called. You can find the first Monday for August 1999 by executing the code in Listing 6.24. L ISTING 6.24 Finding...

Ngày tải lên: 15/12/2013, 05:15

... containing any of the following: OPEN stock_listing_cur (stock_listing.name, ‘ABCDEFG’); OPEN stock)listing_cur (stock_listing_name, stock_listing_price); Fetching Data in a Cursor You get data into ... REPAIR GUTTING PAYROLL SCALE PROCESSING SEWAGE TECHNICAL WRITING UNLOADING UNLOADING The cursor all_depts is declared in lines 2–5. In line 7, a record variable named dept is declared based on the definition of the ... dept_type; 10: BEGIN 11: SELECT * INTO dept 12: FROM department 13: WHERE dept_id = 502; 14: END; 15: / A record type named dept_type is defined in lines 2–7. The declaration in line 9 declares...

Ngày tải lên: 15/12/2013, 05:15

... imagina- tion. Some common uses are • Enforcing business rules • Maintaining referential integrity • Enforcing security • Maintaining a historical log of changes • Generating column values, including ... read in. 13: depts dept_table; 14: depts_max PLS_INTEGER; 15: inx1 PLS_INTEGER; 16: BEGIN 17: Initialize the index into the table. 18: depts_max := 0; 19: 20: Initialize the table by creating ... central point of con- trol for maintaining the number of employees in a department, and they relieve you from having to program and test this logic several places in your application. Maintaining...

Ngày tải lên: 15/12/2013, 05:15

... (SELF IN building, 8: OtherBuilding IN building) 9: RETURN INTEGER 10: ); 11: / 12: CREATE OR REPLACE TYPE BODY building AS 13: MEMBER PROCEDURE ChangeMgr(SELF IN OUT building, 14: NewMgr IN INTEGER) ... created. 1: INSERT INTO buildings 2: values (building(‘East Storage Shed’, 3: address( 140 0 Abbott Rd’,’’,’Lansing’,’MI’,’48823’,’’), 4: 598)); 1 row created. 1: INSERT INTO buildings 2: values (building(‘Headquarters ... in Listing 12.8 in order to insert a few building objects. These will be used in later examples that show how to update object tables and how to link objects in the database. L ISTING 12.8 Inserting...

Ngày tải lên: 15/12/2013, 05:15

... READ(BLOB_Locator, Read_Amount IN BINARY_INTEGER, Starting_Location IN INTEGER, Buffer OUT RAW); PROCEDURE READ(CLOB_Locator CHARACTER SET Set_Desired, Read_Amount IN BINARY_INTEGER, Starting_Location IN INTEGER, Buffer ... SUBSTR(BLOB_Locator, Read_Amount IN BINARY_INTEGER, Starting_Location IN INTEGER := 1) RETURN RAW; FUNCTION SUBSTR(CLOB_Locator CHARACTER SET Set_Desired, Read_Amount IN BINARY_INTEGER, Starting_Location IN INTEGER := ... COMPARE( Lob1 IN BLOB, Lob2 IN BLOB, Number_Bytes_to_Compare IN INTEGER, Origin_Lob1 IN INTEGER := 1, Origin_Lob2 IN INTEGER := 1) RETURN Compare_Result_Integer; FUNCTION COMPARE( Lob1 IN CLOB CHARACTER...

Ngày tải lên: 15/12/2013, 05:15

... IMMEDIATE statement. EXECUTE IMMEDIATE string [INTO {variable[, variable] | record}] [USING [IN | OUT | IN OUT] bind [, [IN | OUT | IN OUT] bind] ]; In this syntax the parameters are as follows: • string is a variable ... DBMS_SQL package. Listing 16.7 shows a PL/SQL block that dynamically generates an INSERT statement, and then uses it to insert data into the table yourtable ,created in Listing 16.6. L ISTING 16.7 Using Bind ... IN INTEGER, name IN VARCHAR2, value IN datatype); PROCEDURE BIND_VARIABLE_CHAR(c IN INTEGER, name IN VARCHAR2, value IN CHAR, out_value_size IN INTEGER); In this syntax the parameters are as...

Ngày tải lên: 15/12/2013, 05:15

... date), and the interval (system date executing every minute). You can compute this by multiplying 24 hours in the day by 60 minutes/hour by 60 seconds/ minute, and then taking the inverse. The ... seen in the following example. PROCEDURE SUBMIT(job_number OUT BINARY_INTEGER, job_to_submit IN VARCHAR2, next_run IN DATE DEFAULT SYSDATE, interval IN VARCHAR2 DEFAULT NULL, job_parsing IN BOOLEAN ... combined_names := ‘’; 40: FOR inx1 IN 1 lines_to_get LOOP 41: IF inx1 > 1 THEN 42: combined_names := combined_names || ‘ and ‘; 43: END IF; 44: 45: combined_names := combined_names || names(inx1); 46:...

Ngày tải lên: 15/12/2013, 05:15

... the pipes work. L ISTING 19.8 Reading Data from the Private and Public Pipe 1: DECLARE 2: v_statpipe1 integer; status of private pipe 3: v_statpipe2 integer; status of public pipe 4: v_holdtype INTEGER; ... 1,000 days! Note Removing the Pipe You can free resources by removing the pipes. Enter and execute the code in Listing 19.9. L ISTING 19.9 Removing Both Pipes 1: DECLARE 2: v_stat NUMBER ; 3: BEGIN 4: ... VARCHAR2, timeout IN INTEGER DEFAULT maxwait pipesize IN INTEGER DEFAULT 8192) RETURN INTEGER; name_of_pipe is the name of the pipe already in existence, whether private or public. If no pipe of this...

Ngày tải lên: 15/12/2013, 05:15

Ngày tải lên: 24/12/2013, 12:17