professional ios network programming wrox

... Trang 2iOS and OS X Network Programming Trang 3iOS and OS X Network Programming Cookbook Copyright © 2014 Packt Publishing All rights ... 8: MKNetworkKit 247Introduction 247Creating and using the MKNetworkKit engine 249Uploading a file using MKNetworkKit 253Downloading a file using MKNetworkKit 258Using the UIImageView+MKNetworkKitAdditions.h ... using the AFNetworking library AFNetworking is an amazing network library for iOS and OS X It is built on top of Apple's foundation framework and is incredibly easy to use Chapter 8, MKNetworkKit,

Ngày tải lên: 01/08/2014, 17:07

... socketand network related functions :base_math The floating-point mathematical functions sin, cos, atan2, exp, log, and sqrt, plus the random functions rand and srand :base_thread The threaded programming ... file functions such as stat, lstat and fileno :sys_db Perl's functions for interrogating hosts, networks, protocols, services, users, and groups, such as getpwent Note that the actual names of ... objects.Since this involves concepts we have not yet introduced, in particular object-oriented programming, wecover it only briefly here For more information see Chapter 19 FL Y Team-Fly®Simpo

Ngày tải lên: 12/08/2014, 23:23

... also replace $count with $_[0] to set up @_ correctlywithout redefining it Recursion is a nice programming trick, but it is easy to get carried away with it Any calculation thatuses recursion ... using ordinary iteration too, so use recursion only when it presentsthe most elegant solution to a programming problem Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Trang ... AUTOLOAD subroutines that define subroutines on-the-fly Autoloading is quite handy in functional programming, but much more useful in modules and packages Accordingly we cover it in more depth

Ngày tải lên: 12/08/2014, 23:23

... (usually) for O_NONBLOCK Semantics may vary on platforms for filehandles that are associated withnetworking Additional Modes O_EXCL Create file only if it does not already exist (meaningful only ... much easier to manipulate and topass in and out of subroutines This makes it a good choice for programming regardless of whether wechoose to use open or sysopen underneath Unbuffered Reading ... this code snippet writes out the contents of the scalar $data to HANDLE (presumably a serial or network connection) at a rate of five hundred characters per second: $pos = 0; $span = 500; $length

Ngày tải lên: 12/08/2014, 23:23

... POSIX::Termios package to ask the terminal directly, and then feed that value to Term::Cap: # interrogate the terminal for the line speed, no need for a constant my $termios = new POSIX::Termios; $termios->getattr(fileno(STDOUT)); ... "\nInterrogating STDOUT:\n"; my $termios_stdout = new POSIX::Termios; $termios_stdout->getattr($stdout); my $old_stdout = new POSIX::Termios; $old_stdout->getattr($stdout); # set ... $termios_stdin = new POSIX::Termios; print "\tErase key is ", $termios_stdin->getcc(VERASE), "\n"; # set the terminal to no-echo my $lflag = $termios_stdin->getlflag; printf

Ngày tải lên: 12/08/2014, 23:23

... and Abstraction One important concept of object-oriented programming, and the place where objects score significant gains over functional programming, is inheritance An object's classes may inherit ... for each new task This is an important goal of anyprogramming environment, and one of the principal motivations behind using object-oriented programming Multiple inheritance occurs when a subclass ... isthe object for which the method was called Like many aspects of object-oriented programming in Perl(and Perl programming in general) it is just a convention, but a good one to follow Other languages

Ngày tải lên: 12/08/2014, 23:23

... 'hot'code which is used very frequently, pp_sys.c contains operating-system-specific code, such as network functions or functions which deal with thesystem databases (getpwent and friends), pp_ctl.c ... returns the full and gory details of the underlying Perlimplementation This is primarily useful in XS programming, the subject of Chapter 21 where Perl and C are being bound together and we need to ... internal working of thePerl compiler It can be seen as a graphical disassembler, a feature that few programming languages canoffer 'B::JVM::Jasmin' Finally, one of the most ambitious modules is an

Ngày tải lên: 12/08/2014, 23:23

... Rudoff, “Unix Network Programming volume 1: The Sockets Networking API”, 3rd Edition, Addison-Wesley, 2003 Trang 6Network Socket Application • Sockets provide a standard interface between network ... world-wide web works, at a protocol level • To teach concurrent network programming in C Trang 3Relation Between Labs and LecturesTrang 4Network Programming in C: The Berkeley Sockets API4 Trang 5The ... Trang 1Network Programming in CNetworked Systems 3 Laboratory Sessions and Problem Sets Trang 2Lab Timetable, Aims,

Ngày tải lên: 05/09/2013, 09:57

... ;-_=_Scrolldown to the Underground_=_-; Network Programming http://kickme.to/tiger/ Network Programming with Perl Graham Barr Agenda ☞ ☞ ☞ ☞ Introduction Properties ... Find information about a socket ☞ ☞ ☞ Types of server ☞ Case studies Common problems Commonly used network protocols Slide Introduction ☞ Perl provides direct access to the C library routines for ... machine AF_INET - This address family uses the IP protocol to communicate with other machines over a network The address is 193.168.1.200/21 Others include AF_APPLETALK, AF_IPX, AF_DECnet These are

Ngày tải lên: 21/12/2013, 04:19

... thisparty, anyway But there are: • htons() – “Host to Network Short” • htonl() – “Host to Network Long” • ntohs() – “Network to Host Short” • ntohl() – “Network to Host Long” Now, you may think you’re ... bytefirst The former is called “Network Byte Order” Some machines store their numbers internally in Network Byte Order, some don’t When I say something has to be in Network Byte Order, youhave to ... fromHost Byte Order to Network Byte Order Start with “h” for “host”, follow it with “to”, then “n” for “network”, and “s” for “short”: h-to-n-s, or htons() (read: “Host to Network Short”) It’s

Ngày tải lên: 19/03/2014, 13:41

... Networking Introduction to Networking 1 Networking and Network Programming 2 TCP/IP Overview 3 WinSock Overview 4 Visual C++ Trang 2Networking and Network Programming Networking and Network Programming ... popularity,including Network Topology Independence TCP/IP is used on bus, ring, and starnetworks It’s used in local-area networks as well as wide-area networks Physical Network Hardware Independence ... the maximum number of networks and hosts that can exist for the different classes Table 2.1 IP address class allocation. Network Class Networks Hosts per Network Not all network identifiers or

Ngày tải lên: 27/06/2014, 08:20

... are new to programming as well as to PHP, you probably have no strong feelings either way just yet. It's certainly true that OO concepts are easier to grasp if you have no programming ... better approach to programming; rather, it is a different way of thinking. Whether you choose to develop your own classes is a matter of preference. One of the advantages of OO programming is that ... completed this book, if you are interested in learning more about OO programming, take a look at Sams Teach Yourself Object-Oriented Programming in 21 Days by Anthony Sintes. What a Class Looks Like

Ngày tải lên: 07/07/2014, 03:20

... communication over yournetwork is cleartext What attacks are possible? First, consider an adversary who can observe your packets as they travel across the network Thisactivity is called “network sniffing,” ... #!/usr/bin/env python # Foundations of Python Network Programming - Chapter 7 - launcelot.py # Constants and routines for supporting a certain network conversation import socket, sys Trang 14CHAPTER ... its use Cleartext on the Network There are several security problems that TLS is designed to solve They are best understood by considering the dangers of sending your network data as “cleartext”

Ngày tải lên: 12/08/2014, 19:20

... and the standard logging module should be your focus for achieving the second One approach to network programming is to write an event-driven program, or use an event-driven framework like Twisted ... Constants and Functions for the Lancelot Protocol #!/usr/bin/env python # Foundations of Python Network Programming - Chapter 8 - squares.py # Using memcached to cache expensive results import memcache, ... 8–2 Two Schemes for Assigning Data to Servers #!/usr/bin/env python # Foundations of Python Network Programming - Chapter 8 - hashing.py # Hashes are a great way to divide work import hashlib

Ngày tải lên: 12/08/2014, 19:20

... ■ RPC Recovering From Network Errors Download from Wow! eBook Of course, there is one reality of life on the network that RPC services cannot easily hide: the network can be down or ... over the network. Features of RPC Besides serving their the essential purpose of letting you make what appear to be local function or method calls that are in fact passing across the network ... they are designed to work with many different programming languages and can only support lowest-common-denominator features that appear in almost all programming languages. The most popular protocols,

Ngày tải lên: 12/08/2014, 19:20

... Avoiding the networking pitfalls Prevention is always better than cure. If you are releasing a product into the wild, it is almost certain that some user will have such an unusual network configuration ... on a P2P network must know the location of at least one other node. In some implementations, a node could contact an indexing server, which would return a list of other nodes on the P2P network. ... other nodes on the P2P network. The benefit of P2P networks is that they are fault tol- erant (i.e., there is no single point of failure), and the network can continue to operate smoothly even if

Ngày tải lên: 12/08/2014, 21:20

... col (IP) Many existing network programs will become obsolete as theybecome incompatible with the emerging networks This will inevitably cre-ate a great opportunity for network programmers who ... is destined for multiple recipients, multicasting can greatly reducenetwork traffic This does require access to the MBONE network and, thus,may not be applicable to all situations The most common ... queueinformation and network topology This is a distributed database, so morethan one MSMQ server can hold the data Trang 22450 15.8 ScalabilityIn situations where multiple segments in a network are all

Ngày tải lên: 12/08/2014, 21:20