oriented programming language see oop c and java

... perfectly, even for JavaScript source code files ➤ Drag and Drop JavaScript references: Another great, new feature is the ability to drag and drop a JavaScript source file into an HTML file and ... easily comment and uncomment large sections of CSS code, as well as finally creating collapsible regions of CSS in situations in which you have extremely large CSS files and are forced to scroll ... to best incorporate this feature in your own apps ➤ Chapter 9: “Application Contracts and Extensions” — Windows introduces a new concept called contracts These enable your app to become part...

Ngày tải lên: 15/03/2014, 11:13

... model," and -1 for "the target is an 80186 processor." Here are the actual commands: bcc -c -v -ml -1 led .c bcc -c -v -ml -1 blink .c Of course, these commands will work only if the bcc.exe program ... decrement -and- test cycles */ unsigned long nCycles = nMilliseconds * CYCLES_PER_MS; while (nCycles ); } /* delay() */ The hardware-specific constant CYCLES_PER_MS represents the number of decrement -and- test ... microcomputer age and brought microprocessors into every part of our personal and professional lives Many of the electronic devices in our kitchens (bread machines, food processors, and microwave...

Ngày tải lên: 17/03/2014, 13:20

... this: Code for House class: accessFoundationSpecifications { generic specification layout and design code here generic foundation code here house-specific code here } Code for ApartmentBlock class: ... The difference isn’t always this clear-cut, but that’s the basic distinction To keep things nice and uncomplicated, we’ll create a basic Cocoa application, so make sure the Cocoa Application template ... accessFoundationSpecifications { generic specification layout and design code here generic foundation code here apartment-block-specific code here } Rather than having this duplicated generic...

Ngày tải lên: 22/03/2014, 15:20

... SDK Cocoa Touch Media Core Services Core OS Media Core Animation Open GL ES Core Graphics Core Audio iPhone SDK Cocoa Touch Media Core Services Core OS iPhone SDK Cocoa Touch Media Core Services ... About Objects, Inc All rights reserved worldwide 18 iPhone SDK Cocoa Touch Media Core Services Core OS iPhone SDK Cocoa Touch Media Core Services Core OS Core Services Core Foundation C Library ... About Objects Reston Town Center (Accenture Building) iPhone OS and MacOS X Training Development Core Curriculum ANSI C Programming Objective -C Programming Cocoa Programming Workshop iPhone Programming...

Ngày tải lên: 21/07/2014, 23:36

... logical operators implemented by real machines Few popular high-level languages can compete with C in the production of compact, efficient code for almost all processors And, of these, only C allows ... each calculator its unique set of features The microprocessor was an overnight success, and its use increased steadily over the next decade Early embedded applications included unmanned space ... nature of C was a clear intention of the language' s creators In fact, Kernighan and Ritchie included the following comment in the opening pages of their book The C Programming Language : C is a...

Ngày tải lên: 05/08/2014, 10:21

... (PCB_BASE + 0x 0C) (PCB_BASE + 0x0E) (PCB_BASE + 0x10) /* * Timer/Counters */ #define TCUCON (PCB_BASE + 0x12) #define #define #define #define T0CNT T0CMPA T0CMPB T0CON (PCB_BASE (PCB_BASE (PCB_BASE ... older Macintosh computers -and the ubiquitous 80x86 families A microcontroller is very much like a microprocessor, except that it has been designed specifically for use in embedded systems Microcontrollers ... 80x86 and some other processor families have two distinct address spaces through which they can communicate with these memories and peripherals The first address space is called the memory space and...

Ngày tải lên: 05/08/2014, 10:21

... in practice 6.3.2 Cyclic Redundancy Codes A cyclic redundancy code (CRC) is a specific checksum algorithm that is designed to detect the most common data errors The theory behind the CRC is quite ... that can be used by the crcCompute function By doing it this way, the CRC of a large message can be computed a byte at a time rather than bit by bit This reduces the CRC calculation time significantly ... to the CRC16 standard, simply change the values of the three constants For CRC32, change the three constants and redefine width as type unsigned long /* * The CRC parameters Currently configured...

Ngày tải lên: 05/08/2014, 10:21

... to access them from C or C+ + Such registers are accessible only with the help of special machine -language instructions And these processor-specific instructions are not supported by the C or C+ + ... Description: Compute the CRC checksum of a binary message block * * Notes: This function expects that crcInit() has been called * first to initialize the CRC lookup table * * Returns: The CRC ... FLASH_CMD_UNLOCK2; flashBase[COMMAND_OFFSET] = FLASH_CMD_ERASE_SETUP; flashBase[UNLOCK1_OFFSET] = FLASH_CMD_UNLOCK1; flashBase[UNLOCK2_OFFSET] = FLASH_CMD_UNLOCK2; *sectorAddress = FLASH_CMD_SECTOR_ERASE;...

Ngày tải lên: 05/08/2014, 10:21

... 8.2.3 Context Switch The actual process of changing from one task to another is called a context switch Because contexts are processorspecific, so is the code that implements the context switch ... os.schedule(); exitCS(); // Scheduling Point ////// Critical Section End } /* Task() */ Notice how the functional part of this routine is surrounded by the two function calls enterCS and exitCS ... assembly language Rather than show you the 80x86-specific assembly code that I used in ADEOS, I'll show the context switch routine in a C- like pseudocode: void contextSwitch(PContext pOldContext, PContext...

Ngày tải lên: 05/08/2014, 10:21

... all seen before In addition to the constructor and destructor, the class includes four methods-putchar,[3] puts, getchar, and gets -for sending characters and strings of characters and receiving ... simply a bidirectional data channel This channel is usually terminated on each end with a hardware device called a serial communications controller (SCC) Each serial port within the SCCthere are ... they can about the behavior and performance of their hardware and software In this section we will discuss the performance characteristics of real-time operating systems, which are a common component...

Ngày tải lên: 05/08/2014, 10:21

... both channels and to support a variety of other communication protocols Here's how the SCC class is actually defined: #include "circbuf.h" class SCC { public: SCC(); void void reset(int channel); ... http://www.arcomcontrols.com/ A ASIC Application-Specific Integrated Circuit A piece of custom-designed hardware in a chip address bus A set of electrical lines connected to the processor and all of the ... Of course, not everything introduced in C+ + is expensive Many older C+ + compilers incorporate a technology called C- front that turns C+ + programs into C and feeds the result into a standard C compiler...

Ngày tải lên: 05/08/2014, 10:21

... one for which it produces object code A cross-compiler runs on a host computer and produces object code for the target D DMA Direct Memory Access A technique for transferring data directly between ... devices memory space A processor's standard address space Contrast with I/O space microcontroller A microcontroller is very similar to a microprocessor The main difference is that a microcontroller ... interrupts, and a periodic clock tick The operating system is responsible for deciding which task should be using the processor at a given time and for controlling access to shared resources oscilloscope...

Ngày tải lên: 05/08/2014, 10:21

... specific to be covered here Kernighan, Brian W., and Dennis M Ritchie The C Programming Language Englewood Cliffs, N.J.: Prentice-Hall, 1988 A concise explanation of C' s syntax and semantics ... others CPU Info Center (http://bwrc.eecs.berkeley.edu/CIC/) Tons of information about new and old processors alike Includes a section specifically about common embedded processors CRC Pitstop (http://www.ross.net/crc/) ... Systems Programming A monthly publication devoted specifically to the issues embedded software developers face on the job Every article and column is packed with practical advice and written in a casual...

Ngày tải lên: 05/08/2014, 10:21

... Asymmetric encryption Using RSA as asymmetric encryption Symmetric encryption 8.6.1 Using 3DES as symmetric encryption 8.7 Piracy protection 8.8 Conclusion Controlling User Access: Authentication and ... email client on their computers The next five chapters discuss network application design This includes application security, performance, and scalability Contained within these chapters is practical, ... from compiling C# is generally identical to MSIL code generated from compiling VB.NET code Exceptions to this lie with a few language- speci c features, such as how C# can use classic C- style pointers...

Ngày tải lên: 12/08/2014, 21:20

... public variables directly inside the Form class: C# private AsyncCallback acceptCallBack; private AsyncCallback receiveCallBack; public Socket listenerSocket; public Socket clientSocket; public ... incoming connections: C# public void acceptHandler(IAsyncResult asyncResult) { receiveCallBack = new AsyncCallback(receiveHandler); clientSocket = listenerSocket.EndAccept(asyncResult); recv = new ... public byte[] recv; VB.NET Private acceptCallBack As AsyncCallback Private receiveCallBack As AsyncCallback Public listenerSocket As Socket Public clientSocket As Socket Public recv() As Byte These...

Ngày tải lên: 12/08/2014, 21:20

... toHex(colorDialog.Color.G) + toHex(colorDialog.Color.B); HTMLDocument doc = (HTMLDocument)WebBrowser.Document; object selection = doc.selection.createRange(); doc.execCommand("ForeColor",false,colorCode); ... an infinite loop, constantly blocking on the method Once the socket is connected, some text is written to the screen, and a new thread calls the handlerSocket function AcceptSocket Chapter 116 ... TcpListener(port) tcpListener.Start() 4.3 Web servers 117 Dim handlerSocket As Socket = tcpListener.AcceptSocket() If handlerSocket.Connected = true then lbConnections.Items.Add( _ handlerSocket.RemoteEndPoint.ToString()...

Ngày tải lên: 12/08/2014, 21:20

... 2000, click Start→Settings→ Network Connections, and then click New Connection wizard On Windows XP, click Start→Control Panel→Network Connections→Create a New Connection→Next Click on “Connect ... AddressLists collection in the MAPI namespace (NS in the example above) Each element in the collection contains an AddressEntries collection Each entry in the latter collection contains a Name and Address ... btnLogon_Click(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles btnLogon.Click Dim clientSocket As TcpClient = New _ TcpClient(tbServer.Text,21) MainForm.NetStrm = clientSocket.GetStream()...

Ngày tải lên: 12/08/2014, 21:20

... CA and can optionally hold certificates in the active directory When used in conjunction with the active directory, MSCS will use this as its certificate revocation list (CRL) A CRL is a publicly ... space provided Press the tick icon twice to proceed Select Actions→Create Certificate→Sign a PCKS #10 request, then enter c: \certreq.txt into the box provided and press the tick icon 10 Select ... Token, then the tick icon Select Actions→Generate Key, then click the tick icon to accept the default RSA 1024bit security Select Actions→Create Certificate→Self-Signed certificate, then fill in your...

Ngày tải lên: 12/08/2014, 21:20

... onthe-fly compression from server-accelerator products such as Xcache and Pipeboost Caching introduces the problem of change monitoring, so that the cached data reflects the live data as accurately ... in Netscape Navigator When a TCP connection opens and closes, several handshake packets are sent back and forth between the client and server, which can waste up to one second per connection for ... WebProxy { public Socket clientSocket; public Form1 UserInterface; } VB.NET Public Class WebProxy Public clientSocket As Socket Public UserInterface As Form1 End Class The entry point to the class is...

Ngày tải lên: 12/08/2014, 21:20