chapter 2  empower the power user

... example, the browser is given the following URL: http://hypothetical.ora.com/ The browser interprets the URL as follows: http:// In the first part of the URL, you told the browser to use HTTP, the ... about the document and about the server itself Then after a blank line, it returns the document The series of lines before the first blank line is called the response header, and the part after the ... example, the document path is / So the browser connects to hypothetical.ora.com using the HTTP protocol Since no port was specified, it assumes port 80, the default port for HTTP The message that the...

Ngày tải lên: 26/01/2014, 07:20

... The status code indicates the result of the request, and the reason phrase is a human-readable description of the status-code The response header tells the client about the configuration of the ... format The complete rundown of these transformations is covered in Appendix B At this point, the server processes the request by forwarding this information on to the CGI program The CGI program then ... a server response In the server response, the general header and entity headers are the same as those used in the client request The entity-body is like the one used in the client request, except...

Ngày tải lên: 26/01/2014, 07:20

... built in the past, end -user input is essential Although there are many ways of interacting with the end user, the three ways that offer the best return are ■ Observing the end user performing the ... the Graphical User Interface The next step is to work with the end users to answer the four questions listed on each use-case card When the cards have been completed and reviewed, they form the ... to take the perspective of a new user So, the best way to test a GUI design is to run it by users, let them ask questions, ask them questions, gauge their reactions Do they seem to use the displays...

Ngày tải lên: 05/07/2014, 02:20

... Devices and their Role on the Network • The network devices that people are most familiar with are called end devices These devices form the interface between the human network and the underlying ... are: – The distance the media can successfully carry a signal – The environment in which the media is to be installed – The amount of data and the speed at which it must be transmitted – The cost ... www.bkacad.com The Communication Process • The TCP/IP model describes the functionality of the protocols that make up the TCP/IP protocol suite These protocols, which are implemented on both the sending...

Ngày tải lên: 12/12/2013, 14:15

... finish the search procedure; otherwise, ignore the result and continue searching To find the next match, press or select the Find Next command from the Edit menu Note When searching the registry, ... (including other data types) in the binary-editor window As with the previous command, this will also become available only after you select one of the registry values listed in the right pane of the ... To find the registry entry you need, enter the value to be searched into the Find what field You can also restrict the search range by selecting one of the following options listed in the Look...

Ngày tải lên: 14/12/2013, 10:15

... complicated, but the basic structure is the same The whole filter expression returns a list, which is assigned to the methodList variable The first half of the expression is the list mapping part The mapping ... accomplishes the same thing as the normal function above it Note the abbreviated syntax here: there are no parentheses around the argument list, and the return keyword is missing (it is implied, since the ... getting a reference to the method function in the object module Now, printing the actual doc string of the method is easy The next piece of the puzzle is the use of str around the doc string As you...

Ngày tải lên: 14/12/2013, 14:15

... knew that dolls could things, they would make them work So, perhaps, they have promised each other to keep it a secret If you stay in the room, Emily will just sit there and stare; but if you go ... "le pere" meant "the father," and "la mere" meant "the mother." Miss Minchin glanced toward her scrutinizingly "You look rather cross, Sara," she said "I am sorry you not like the idea of learning ... lessons are over you must make each other's acquaintance." The pupils bowed ceremoniously, and Sara made a little curtsy, and then they sat down and looked at each other again "Sara," said Miss Minchin...

Ngày tải lên: 14/12/2013, 21:15

... them considerable money; but if they were -34- offered wages for the service, that would turn it into work and then they would resign The boy mused awhile over the substantial change which had ... worked and sweated in the sun, the retired artist sat on a barrel in the shade close by, dangled his legs, munched his apple, and planned the slaughter of more innocents There was no lack of material; ... attention to the steamboat Ben stared a moment and then said: "Hi- yi ! You're up a stump, ain't you!" No answer Tom surveyed his last touch with the eye of an artist, then he gave his brush another...

Ngày tải lên: 15/12/2013, 07:15

... bushes, and Tom made everybody swear to keep the secret, and then showed them a hole in the hill, right in the thickest part of the bushes Then we lit the candles, and crawled in on our hands and ... lonesome As soon as Tom was back we cut along the path, around the garden fence, and by and by fetched up on the steep top of the hill the other side of the house Tom said he slipped Jim's hat off ... hain't he got a father?" says Tom Sawyer "Yes, he's got a father, but you can't never find him these days He used to lay drunk with the hogs in the tanyard, but he hain't been seen in these parts for...

Ngày tải lên: 15/12/2013, 09:15

... personality for the job Add up your answers (A, B or C) and read the results: On your way to work you pick up a newspaper What you read first? A: the “gossip” pages s B: the front page s C: the crossword ... and focus on the facts only s C: you blame your team mates for not doing enough preparation and leave it up to them to present s The presentation goes really well in the end, and the client asks ... with creative ideas to launch the product A: you tell the client that you can promote this product in all the mainstream media within the next week s B: you analyse the product and come up with...

Ngày tải lên: 23/12/2013, 00:15

... declaration indicates that the root element, which is the first element in the hierarchical structure of the document, will be and that the DTD used will be the one identified by the public identifier ... "chap2.sgm"> ]> These declarations form what is known as the internal subset The declarations stored in the file referenced by the public or system identifier in the DOCTYPE declaration is called the external ... "chap2.sgm"> ]> These declarations form what is known as the internal subset The declarations stored in the file referenced by the public or system identifier in the DOCTYPE declaration is called the external...

Ngày tải lên: 21/01/2014, 06:20

... applied to the difference values DZi and not to the original z-coordinates of the points XYZ - if the maximal difference in the current cycle is not less than the one in the previous cycle, the problem ... x2−x1 , y2− y1}/ Filter Dx the step of the grid in the x-direction; Dx= x2− x1/i1−1 Dy the step of the grid in the y-direction; Dx= y2− y1/ j1−1 Dmc the minimal Chebyshev distance ... than the specified accuracy of the interpolation / approximation multiplied by  z2−z1/100 , the algorithm of the ABOS method is finished In the opposite case the matrix P is copied into the...

Ngày tải lên: 21/01/2014, 07:20

... version of the BeOS) or links to the compiler and linker (on the Intel version of the BeOS) On the PowerPC version of the BeOS, you’ll find a couple of other folders in the Metrowerks folder: the debugger ... file with the same name as the project (and thus the same name as the application that will be built from the project) The header file holds the definition of the class derived from the BApplication ... tab • Change the size of the window At the top of Figure 2-14, you see the original window from the HelloWorld program, while at the bottom of the figure you see the new window from the MyHelloWorld...

Ngày tải lên: 26/01/2014, 07:20

... What are the known information about this programming assignemnt? There are ten dollars in a quarter roll There are five dollars in a dime roll There are two dollars in a nickel roll And there are ... penny_rolls = remainder * After doing all the above, go to the computer lab, launch the Visual C++ or whatever compiler you like Many of you write the entire program in then spend hours trying to debug ... indicates the beginning of the main int dollar, quarterR, dimeR, nickelR, pennyR, remainder; Variables that are used in the main are declared There are six variables of type integer These variable...

Ngày tải lên: 20/02/2014, 08:20

... acetonitrile or acetone The study of the influence of the pH of the water in the extraction methodology was performed at three pH values: 4.0, 7.5, and 10.0 For most of the compounds, the pH did not have ... Regarding the matrix suppression effects in the ESI interface, the authors studied the recoveries of the ICM in different water samples Thanks to the addition of a surrogate standard, the relative ... trifluoroacetic acid was used in the mobile phase, but other acid could have affected negatively the separation of the ICM In contrast, in another study29 the recoveries obtained for the four ICM—iopamidol,...

Ngày tải lên: 18/06/2014, 16:20

... distribution The predictive powers of the classical theory and the SCC model appear quite similar, although the classical theory predicts lower nucleation rates than the SCC model Both theories predict the ... model and the classical theory is that in the former, the cluster size is allowed to affect the relative fractions of the molecules at the surface and in the interior, and thereby also the mole ... species i between the vapor phase and the liquid phase taken at the pressure outside of the cluster, r is the radius of the cluster, and σ is the surface tension The properties of the cluster are...

Ngày tải lên: 18/06/2014, 19:20

... understanding of these elements and their impact on the environment — the field of ecotoxicology Some of the questions about heavy metals and environment are scientific issues about the way systems ... though the larger-scale parts of the system and flow in the biogeochemical cycles are controlling the rates If the questions and needs are environmental, is it really necessary to understand the ... by multiplying the dimensions of the observed phenomena’s time, space, and unit emergy by the scaling factor relating microcosm to the full-scale system Underlying this theory is the general systems...

Ngày tải lên: 18/06/2014, 19:20

... time The humin and humic materials that are known to produce coals and peat are strong chelating agents for these and other radionuclides [3] Indeed, the first discoveries of radioactivity and the ... showing the main paths for the production of various radionuclides Clear arrows indicate β decay and gray arrows are α processes Half-lives for the decay processes are indicated inside the arrows The ... their parents Figure 2.1 and Figure 2.2 show the decay schemes for primordial 238U and 232Th, respectively Figure 2.3 shows the decay processes for 235U Only the major pathways are shown in these...

Ngày tải lên: 18/06/2014, 19:20

... of the State that are attributable to the transactions of the department They not purport to, and not, present fairly the financial position of the State of Hawaii as of June 30, 2002, and the ... with them Encumbrances are obligations of the department in the form of purchase orders, contracts, or other such commitments that not become liabilities until the conditions stated in the commitment ... on the account’s minimal monthly disbursements and the frequency with which the fund is replenished, the $25,000 balance is excessive and the majority of this balance should be returned to the...

Ngày tải lên: 18/06/2014, 20:20

... made The State Legislature specifies the lapse dates and any other contingencies which may terminate the authorizations for other appropriations Budgets adopted by the State Legislature for the ... 30, 2002 The fair value of these investments approximated $7,055,517 at June 30, 2002 Fair value of the department’s limited partnership interests is either based on the fair value of the underlying ... to be provided during the fiscal year; 2) the estimated revenues available to finance the operating plan; and 3) the estimated spending requirements of the operating plan The budget represents...

Ngày tải lên: 18/06/2014, 20:20