chapter 15  sending and receiving instant messages with xmpp

... stream-decoding method 3.4.3 Sending and Receiving The encodings presented above can be used with both the NetworkStreams of NET’s TcpClient and TcpListener, and with the byte arrays of the UdpClient ... big- and little-endian versions of Unicode 68 ■ Chapter 3: Sending and Receiving Messages encode a String by first outputting a byte-order indicator (the 2-byte sequence 254–255 for big-endian, and ... minus the delimiter suffix, and return it Get next byte: line 22 Return the current token on end-of-stream: line 23 70 Chapter 3: Sending and Receiving Messages ■ endsWith(): lines 26–36 ■ ■ Compare...

Ngày tải lên: 03/10/2013, 00:20

... reaction, and the original acid becomes a base in the reverse process • each reactant and the product it becomes is called a conjugate pair • the original base becomes the conjugate acid; and the ... the Brønsted-Lowry Acids and Bases and Their Conjugates in the Reaction H2SO4 + H2O ⇔ HSO4– + H3O+ When the H2SO4 becomes HSO4−, it lost an H+ − so H2SO4 must be the acid and HSO4− its conjugate ... and H3O+ its conjugate acid H2SO4 + acid H2O base Tro, Chemistry: A Molecular Approach ⇔ HSO4– conjugate base + H3O+ conjugate acid 26 Ex 15.1b – Identify the Brønsted-Lowry Acids and Bases and...

Ngày tải lên: 28/11/2013, 01:12

... labor to employers, and ultimately the employers’ demand for labor We can predict that the demand for labor will rise and fall with increases and decreases in both productivity and product price ... textile workers, and writers can earn a living because there is a demand for the products and services they offer The greater the demand for the products and the greater the demand for the labor ... supply and demand To understand why a person earns what he does, then, we must first consider the determinants of the demand and supply of labor The Demand for Labor The demand for labor is the assumed...

Ngày tải lên: 17/12/2013, 15:17

... function ♦ Abstract classes and pure virtual functions ♦ Pointers and Virtual Functions ♦ Extended type compatibility ♦ Downcasting and upcasting ♦ C++ "under the hood" with virtual functions Copyright ... }; Copyright © 2006 Pearson Addison- 15-25 Classes Pet and Dog ♦ Now given declarations: Dog vdog; Pet vpet; ♦ Notice member variables name and breed are public! ♦ For example purposes only! Not ... function bill()! Copyright © 2006 Pearson Addison- 15-12 Class Sale ♦ Represents sales of single item with no added discounts or charges ♦ Notice reserved word "virtual" in declaration of member function...

Ngày tải lên: 24/03/2014, 16:23

... herein and neither McGraw-Hill nor its authors shall be responsible for any errors, omissions, or damages arising out of use of this information This work is published with the understanding ... engineer in the military/aerospace industry and a Boston engineering consulting firm before changing his career path to writing and editing on electronics and electromechanical subjects He was a ... and newspapers on various topics in engineering and industrial marketing Mr Sclater holds degrees from Brown University and Northeastern University, and he has completed graduate courses in industrial...

Ngày tải lên: 22/10/2012, 14:26

... installed-chrome.txt is a convenience for developers who want to create and test new packages without having to install them with installation scripts and manifests Some earlier xFly examples in this book already ... little complex and idiosyncratic at first, but bear with it The upshot of this powerful but somewhat diffuse packaging technology is that you can bundle your software, put it on a server, and have ... (http://optimoz.mozdev.org/gestures/ ), which enables the execution of common browser commands with mouse movements You can package new Mozilla development tools and libraries like JSLib (see Chapter 5) You can also create...

Ngày tải lên: 14/12/2013, 12:15

... dialog box with a message and an OK button Method CancelInstall Description Aborts the installation of the software Displays a Confirm dialog box with Confirm the specified message and OK and Cancel ... format in which to organize, compress, and automate software installations and software updates A XPI is a PKZIP-compressed archive (like ZIP and JAR files) with a special script at the highest ... privileges and which is always installed in a particular location, you can leave out the XPI and its internal installation script altogether and use a trigger script like Example 6-13 and a regular...

Ngày tải lên: 14/12/2013, 12:15

... method and its improvement 6.4 Finishing Things Up We dealt with the xFly example earlier in this chapter and then discussed general information about file formats, installation scripts, and xpinstall ... local machine, and registers it with the chrome registry When the user restarts the browser, the xFly application is integrated into Mozilla and ready for use The user can access it with any overlays ... distributing for your package, make the JAR file (xfly.jar) the top level, with the content, skin, and locale directories contained within: xfly.jar content skin locale The URLs you used to refer to...

Ngày tải lên: 14/12/2013, 12:15

Ngày tải lên: 14/12/2013, 12:15

... derived from the BHandler class, so a window is also a handler—an object that can handle messages that are dispatched from a message loop A window can both receive messages and handle them For the ... BWindow::MessageReceived(BMessage* message) { switch(message->what) { // handle B_KEY_DOWN and scripting-related system messages 188 Chapter 6: Controls and Messages default: BHandler::MessageReceived(message); } } Your project’s ... MyHelloWindow.cpp Handling the Messages All application-defined control messages are handled in the body of the switch statement in MessageReceived() The checkbox message is handled by first checking...

Ngày tải lên: 26/01/2014, 07:20

... Bingley, but without seeming to have noticed what passed, took leave and rode on with his friend Mr Denny and Mr Wickham walked with the young ladies to the door of Mr Phillip’s house, and then ... comparison with the stranger, were become ‘stupid, disagreeable fellows.’ Some of them were to dine with the Phillipses the next day, and their aunt promised to make her husband call on Mr Wickham, and ... exceedingly In his library he had been always sure of leisure and tranquillity; and though prepared, as he told Elizabeth, to meet with folly and conceit in every other room of the house, he was used...

Ngày tải lên: 26/01/2014, 14:20

... Educator as a professional, and Disruptive, Doer and Tryer as a person He works as a New Media and Online Market ing Advisor all over the world, Human Media Evangelist and worldwide Prof essional ... here, here, here and here [Spanish video] are some videos that may serve as example Some are our own creation; others, we’ve found Connect: Aut hored by: Isra Garcia Advisor, Speaker and Educator ... not 14 The challenge of a good story should be to connect with people and to convey emotions The context you use may vary; for instance: anything is possible, you...

Ngày tải lên: 09/02/2014, 20:33

... paths and the spanning tree in a system of bridges 15.16 Figure 15.10 Forwarding and blocking ports after using spanning tree algorithm 15.17 Figure 15.11 Routers connecting independent LANs and ... 15.12 Figure 15.6 A learning bridge and the process of learning 15.13 Figure 15.7 Loop problem in a learning bridge 15.14 Figure 15.8 A system of connected LANs and its graph representation 15.15 ... backbone network, no station is directly connected to the backbone; the stations are part of a LAN, and the backbone connects the LANs Topics discussed in this section: Bus Backbone Star Backbone...

Ngày tải lên: 16/02/2014, 20:20

... populations served by Amherst and Holland WWTPs are 115,000 and 1,750, respectively Grab and composite samples were obtained twice during the day (8 A.M and P.M.) Both grab and composite samples were ... test, the strong similarity between inhibited (spiked with tetracycline + 0.1% NaN3) and noninhibited biomass (spiked with tetracycline only), and the lack of tetracycline metabolites, suggests ... sludge conditions with active and “activity-inhibited” biomass (Reactor spiked with 200 μg/L.) © 2008 by Taylor & Francis Group, LLC 354 Fate of Pharmaceuticals in the Environment and in Water Treatment...

Ngày tải lên: 18/06/2014, 16:20

... follows: NDVI = (NIR − Red)/(NIR + Red) = (Band2 − Band1)/ (Band2 + Band1) The NIR and Red are are digital numbers (DNs) of the near-infrared band and red band, respectively The analysis showed that ... distinguishing the land -and- water boundary and ground vegetation (Zhen and Chen 1995, Tan et al 2004) Bands and of the MODIS images, whose wavelengths range from 0.62 to 0.67 μm and 0.84 to 0.87 ... 0.62 to 0.67 μm and 0.84 to 0.87 μm, respectively, match bands and of the Landsat TM images These two bands were used to identify vegetation and water body The NDVI is adopted to synthesize vegetation...

Ngày tải lên: 18/06/2014, 16:20

... hand especially pliers (Figure 15.4) Without gloves, handles should be in long at a minimum With gloves, handles should be a minimum of in in length The surfaces and material that compose handles ... the sides, and never use it if the handle is loose or damaged Proper ax grip for a right-handed person is to have the left hand about in from the end of the handle and the right hand about three-fourth ... head The handle should be smooth, without cracks or splinters, free from oil, shaped to fit the hand, and of the specific size and length The handles should be straight Once split, the handles must...

Ngày tải lên: 18/06/2014, 22:20

... they are bound to share the benefits derived from progress with the workers and also with a part of the capitalists and landowners and to increase the portion allotted to these people step by ... creative genius is at variance with his fellow citizens As the pioneer of things new and unheard of he is in conflict with their uncritical acceptance of traditional standards and values In his eyes ... they are hard-hearted and callous, without consideration for other people Only the sellers of goods and services of the first order are in direct contact with the consumers and directly depend...

Ngày tải lên: 02/07/2014, 13:20

... values (with probability p) and (with probability q =1- p), and write C=~1+~_2+ +fin, so that P(C=k) = Pn(k) = (k) pk (1 - p) n-k Let >7 z be a variable with a Poission distribution with parameter ... respectively over Ixk1 < -1 and lXkl,> n' Then EIP,,(k)-17(k)I =E'IPn (k)-17(k)I+E"IPn (k)-17(k)I and we examine separately the two sums E' and E" (I) E" From (15 3.6) and (15 3.7) and Chebyshev's inequality, ... the results of ± 3, notably Lemmas 15 and 15 3.3 The distribution B on the other hand is concentrated on the half-lines (- oo, x -] and [x + , oo), each with probability For the powers Bm = B*m...

Ngày tải lên: 02/07/2014, 20:20

... However, budgets cannot be prepared without an understanding of the reasons underlying period cost changes, and cost control cannot be achieved without understanding why costs may differ from the ... variable and total fixed costs should be minimized through a process of cost containment Cost containment is not possible for inflation adjustments, tax and regulatory changes, and supply and demand ... activities are usually service oriented and include employee travel, repairs and maintenance, advertising, research and development, and employee training and development There is no “correct”...

Ngày tải lên: 02/07/2014, 22:21

... SELECTION, AND RETURNS for nonstationarity and random walk with drift, using the Augmented DickeyFuller test All classifications (except the diversified subindex) are found to behave as random walks, ... efficient frontier both with and without an investment in the GSCI Figure 15.7 from Satyanarayan and Varangis (1994) illustrates this approach The efficient frontier with commodity assets lies ... Optimal International Portfolios with and without Commodity Assets Source: Sudhakar Satyanarayan and Panos Varangis, “An Efficient Frontier for International Portfolios with Commodity Assets,” Policy...

Ngày tải lên: 03/07/2014, 23:20