programming by example 4th ed

... titled "Interfaces and Addressing" Trang 3which explained that the bind(2) function could be used to restrict the interfaces that would be used to perform communications The example used ... returned, with the reason for the error posted to variable errno. Caution Even when the value of errno is zeroed prior to calling getservent(3), when end-of-file is reached and indicated by a ... of re-opened when rereading the /etc/ services file is performed This is preferred for performance reasons. • When zero (FALSE), the file is closed if it has been previously opened (by getservent(3),

Ngày tải lên: 12/08/2014, 21:20

... a 4-byte IP address The end of the list is marked by a NULL pointer. Applying the gethostbyname(3) Function A short demonstration program for the function gethostbyname(3) has been provided in ... arguments is started in line 22. 2 The hostname command-line argument is queried by calling upon gethostbyname(3) in line 26. 3 If the returned pointer is NULL, the error is reported in lines 29 ... h_aliases member of the returned structure is an array of alias names for the hostname that you have queried The end of the list is marked by a NULL pointer As an example, the entire list of

Ngày tải lên: 12/08/2014, 21:20

... Programming by Example - Warren W. Gay 261 9. The I/O streams are set to line buffered mode (lines 132 to 133). 10. Until EOF is reached, each text line is read from the client and processed ... is pushed onto the stack (lines 438 to 448). Proceed to step 7. 6. If steps 3, 4, and 5 do not apply, all other RPN operations are handled by the function rpn_opr(). The result reported back ... presented is not a production-grade server. Some forms of incorrect input can provoke the server to abort. Linux Socket Programming by Example - Warren W. Gay 262 The RPN calculator computes based

Ngày tải lên: 12/08/2014, 21:20

... might just mean that problems occurred when the connection was closed (after the data was successfully received by the peer). Linux Socket Programming by Example - Warren W. Gay 314 You must ... timeout occurs and an error is returned to the calling application. Linux Socket Programming by Example - Warren W. Gay 313 One final scenario can be applied, by use of different SO_LINGER option ... client is being served by the socket 192.168.0.1 port 9099 (by PID 927), which is connected to the client's address of 192.168.0.2 port 1035. The client is being serviced by process ID 927.

Ngày tải lên: 12/08/2014, 21:20

... string 'rejoiced' was received, the SIGURG signal is raised as it was before Note, however, that the mark is not reached until the bytes 'rejoice' are read first Then the mark is reached and one ... out-of-band data byte The following bytes were simply the subsequent in-band data bytes. Prior testing depended upon the delays provided by sleep(3) to concoct a controlled set of physical packets Note ... chapter has focused so far on the use of TCP stream sockets for inetd. When datagram server ports are established by inetd, a special consideration is added This was hinted at by the description

Ngày tải lên: 12/08/2014, 21:20

... is trusted, the credentials can be trusted by the process that is interested in the credentials. As noted in the list, you now know that file descriptors are also transmitted and received as ancillary ... is preceded by a struct cmsghdr. This header is followed possibly by pad bytes and then the object itself Finally, the ancillary data object itself might be followed by still more pad bytes before ... credentials and file descriptors at the same time). The credentials are provided by the Linux kernel They are never provided by the client application If they were, the client would be allowed

Ngày tải lên: 12/08/2014, 21:20

... http://www.quecorp.com/series/by_example/. Table 18.1 lists all the source files that you will need. Some of the more interesting ones will be listed and described within this chapter. Linux Socket Programming by Example ... Socket- Related Structures Reference Socket Address Structures Miscellaneous Structures I/O-Related Structures Linux Socket Programming by Example - Warren W Gay 496 ... issued by calling ... retrieved by the C code. Before that module can be shown, however, you need to examine some of the structure references that are being used. Listing 18.2 shows the quotes.h header file used by

Ngày tải lên: 12/08/2014, 21:20

... delay_calc; In this example, two examples of physical types are represented Thefirst is of predefined physical type TIMEand the second of user-specifiedphysical type current This example returns ... value can be assigned to another usingaccess types The value of the object pointed to by temp_ptris assigned to the value pointed to by fifo_ptr Trang 17Fifo Element fifo_ptris called the incomplete ... assigned data of the appropriate type This exampledeclares three fields: opcode of type optype, and src and dst of type INTEGER Each field can be referenced by using the name of the record,followed

Ngày tải lên: 14/08/2014, 00:21

... procedure declaration begins with the keyword PROCEDURE, followed by the procedure name, and then an argument list. The main difference be- tween a function and a procedure is that the procedure ... that parameter q is defined as an inout parameter. This is needed because the value is read in the procedure.) PROCEDURE WITH INOUT PARAMETERS The examples we have discussed so far have dealt mostly ... argument passed into the proce- dure. For instance, if two signals are not declared in the argument list of a procedure, but are assigned from within a procedure called from the current procedure,

Ngày tải lên: 14/08/2014, 00:21

... 3Android 5 Programming by ExampleCopyright © 2015 Packt Publishing All rights reserved No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, ... the permissions required by the user It can be opened, viewed, and edited by double-clicking on the AndroidManifest.xml node • Android projects keep the layout data and procedural code separate ... Google Play Store 177 Distributing by e-mail and websites 178 Promoting and monetizing apps 179 Trang 14Welcome to Android 5 Programming by Example, a step-by-step guide to developing Android

Ngày tải lên: 14/07/2017, 14:35

... 3Android 5 Programming by ExampleCopyright © 2015 Packt Publishing All rights reserved No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, ... the permissions required by the user It can be opened, viewed, and edited by double-clicking on the AndroidManifest.xml node • Android projects keep the layout data and procedural code separate ... Google Play Store 177 Distributing by e-mail and websites 178 Promoting and monetizing apps 179 Trang 14Welcome to Android 5 Programming by Example, a step-by-step guide to developing Android

Ngày tải lên: 29/08/2020, 15:15

... buffer model predicts a new event on output B of a value at time 40 nanoseconds The event scheduled on output B for time 30 nanoseconds still has not occurred The new event predicted by the buffer ... enclosed by the process are 10 Chapter One sequential statements This means that any statements enclosed by the process are executed one after the other in a sequential order just like a typical programming ... process statement, the process is invoked Each statement in the process is then executed sequentially In this example the IF statement is executed first followed by the CASE statment Each check that...

Ngày tải lên: 16/08/2012, 08:46

... Accelerated C++ Practical Programming by Example by Andrew Koenig and Barbara E Moo Addison-Wesley, 2000 ISBN 0-201-70353-X Pages 336 Second Printing Table of Contents Contents Chapter Getting started ... spaces(greeting.size(), ' '); When we defined greeting, we used an = symbol to initialize it Here, we are following spaces by two expressions, which are separated by a comma and enclosed in parentheses When we ... knew C, we started by showing them how to define classes, and then moved systematically through the rest of the language We found that our students would be confused and frustrated for about two...

Ngày tải lên: 19/03/2014, 14:10

... concepts you’ve learned The by Example Series How does the by Example series make you a better programmer? The by Example series teaches programming using the best method possible—examples The text ... unsigned long htonl(unsigned long hostlong); unsigned short htons(unsigned short hostshort); unsigned long ntohl(unsigned long netlong); unsigned short ntohs(unsigned short netshort); ... consulted when it has been determined that the function call has indicated that it failed Only errors are posted to errno; it is never cleared to zero upon success Using socketpair(2) in an Example...

Ngày tải lên: 28/04/2014, 16:53

... Business Logic: Programming Stored Procedures 279 Benefits of Using Stored Procedures 279 Types of Stored Procedures 280 Creating and Dropping Stored Procedures ... and Split Unregistered Version - http://www.simpopdf.com The by Example Series How does the by Example series make you a better programmer? The by Example series teaches programming using the ... SQL Server by writing their own libraries based on ODS This is the basis of the extended stored procedures you see in Chapter 8, "Implementing Business Logic: Programming Stored Procedures." Client...

Ngày tải lên: 27/06/2014, 06:20

... www.it-ebooks.info FOURTH EDITION Programming iOS Matt Neuburg www.it-ebooks.info Programming iOS 7, Fourth Edition by Matt Neuburg Copyright © 2014 Matt Neuburg All rights reserved Printed in the United States ... you need a view To let the user interact with your app, you need a view This part of the book explains how views are created, arranged, drawn, layered, animated, and touched • Part II starts by ... wanted to make even before Programming iOS was published — indeed, before it was even conceived of My original proposal to O’Reilly Media, back in early 2010, had been for a book to be called...

Ngày tải lên: 01/08/2014, 16:29

... row(s) affected) Type added Information about user-defined data types is stored in the systypes system table, which is located in all databases When created, the properties of user-defined data types ... the database (tables, views, stored procedures, extended stored procedures, and user-defined functions), users, roles, permissions, data and log files, and so on By default, users cannot insert ... affected) Be aware that fixed-length data types always use the length you defined On the other hand, variable-length data types use only the actual space that is being used by the value For example, ...

Ngày tải lên: 08/08/2014, 22:20

... executed inside a stored procedure Usually, to be able to execute a stored procedure, a user just needs to have EXECUTE permissions on the stored procedure However, if a dynamic query is used, ... statement is wrapped into a stored procedure Listing 4.40 shows how the output of a stored procedure is inserted into a table Listing 4.40 Inserting the Output of a Stored Procedure into a Table ... used, the user also needs permissions on every object referenced by the dynamic query This is because the dynamic query is not parsed until the stored procedure is executed, and SQL Server must...

Ngày tải lên: 08/08/2014, 22:20

... where the row is located and reads it Data Stored As a Clustered Index 205 If table data is stored as a clustered index, it is stored in the order specified by the clustered index definition The ... nonclustered located on PRIMARY City CompanyName nonclustered located on PRIMARY CompanyName Contact nonclustered located on PRIMARY ContactName PK_Customers clustered, unique, primary key located on ... execute stored procedures and triggers depends on the available indexes Stored procedures and triggers are covered in Chapter 8, "Implementing Business Logic: Programming Stored Procedures," and...

Ngày tải lên: 08/08/2014, 22:20

... variables passed by reference Types of Stored Procedures In SQL Server, there are four types of stored procedures: system stored procedures, user-defined stored procedures, temporary stored procedures, ... affected) -Master (1 row(s) affected) Temporary Stored Procedures These are stored procedures created by users and stored in the tempdb database They are called temporary because they are dropped ... stored procedure is called from another stored procedure, the inner one can access all objects created by the outer stored procedure For example, Listing 8.29 shows the creation of two stored...

Ngày tải lên: 08/08/2014, 22:20