chapter 8  abusing the runtime library

... price should increase to the "true" or "fundamental" value uncovered by the analyst If the estimated price is less than the current price, the stock should be sold because the stock is currently ... benefit “at the margin.” - This version of the hypothesis implies that trend analysis is fruitless 8-7 Forms of the EMH  Semistrong-form hypothesis - The relevant information is all publicly available ... Are Markets Efficient?  There are enough anomalies in the empirical evidence to justify the search for underpriced securities that clearly goes on  However, the bulk of the evidence suggests that...

Ngày tải lên: 10/02/2015, 14:11

... host The server then uses the listen( ) and accept( ) routines to establish communication on that port On the other end, the client also uses the socket( ) system call to create a socket, and then ... Using the Socket Calls The socket library is part of the standard Perl distribution Include the socket module like this: use Socket; Table 4-1 lists the socket calls available using the socket library ... functions, for the sake of showing how the library fits together Initializing the Socket Both the client and server use the socket( ) function to create a generic "pipe" or I/O buffer in the operating...

Ngày tải lên: 20/10/2013, 10:15

... the location specified by your client In the event of a redirection, will your client handle it? Does it examine the Location header? The answers to these questions depend on the purpose of the ... down, there are several options The most obvious option is for the client to attempt the HTTP request at a later time Other options are to try an alternate server or abort the transaction The programmer ... (!defined open_TCP('F', $the_ url[1], $the_ url[2])) { print "Error connecting to web server: $the_ url[1]\n"; exit(-1); } # request the path of the document to get print F "GET $the_ url[3] HTTP/1.0\n";...

Ngày tải lên: 20/10/2013, 10:15

... where the first parameter is the identifier that defines the value of the User-Agent header in the request, the second parameter is the email address of the person using the robot, and the optional ... But this only does a little bit of the job Why reinvent the wheel? There's something in the LWP library that does this for you To parse the HTML, you can use the HTML module: #!/bin/perl use LWP::Simple; ... LWP::Simple, we include the HTML::Parse class We call the parse_html( ) routine on the result of the get( ), and then format it for printing You can save this version of the program under the name showurl,...

Ngày tải lên: 24/10/2013, 08:15

... the URL defined in the object The default port is based on the scheme used Even if the port for the URL is explicitly changed by the user with the port( ) method, the default port is always the ... want to use this function to escape the question mark in the URI before sending the request to the server Otherwise, the question mark would be interpreted by the server to be a query string separator ... robot, the name of the robot and the email address of the user are mandatory So, we pass that information to the LWP::RobotUA object through the constructor In practice, one would determine the...

Ngày tải lên: 24/10/2013, 08:15

... www.westherts.ac.uk WEB LINKS Frontline (www.prcafrontline.org.uk) A forum for the emerging leaders of the public relations industry that enables them to discuss issues, learn more about the industry, ... with a global reach The Council of Public Relations Firms (www.prfirms.org) The association for PR consultancies in the US The Public Relations Society Of America (www.prsa.org) The US body for public ... practitioners The Communications White Paper (www.communicationswhitepaper.gov uk) Essential reading for those working in the UK communications industry This outlines the impact and role of Ofcom, the...

Ngày tải lên: 23/12/2013, 00:15

... holes in them and was sent out to buy groceries and carry them through the streets in a basket on her arm when the cook wanted them in a hurry, they felt rather as if, when they spoke to her, they ... spent in the garret, she had felt a vague comfort in knowing that on the other side of the wall in which the rats scuffled and squeaked there was another young human creature And during the nights ... between them When they met by chance Sara looked the other way, and Ermengarde felt too stiff and embarrassed to speak Sometimes they nodded to each other in passing, but there were times when they...

Ngày tải lên: 24/12/2013, 07:16

... and then opened the place with the incantation he had just used, you would find that all the marbles you had ever lost had gathered themselves together there, meantime, no matter how widely they ... famous outlaw? Right gladly will I dispute with thee the passes of the merry wood Have at thee!" They took their lath swords, dumped their other traps on the ground, struck a fencing attitude, foot ... he tossed the marble away; then he took another marble from his pocket and tossed it in the same way, saying: "Brother, go find your brother!" He watched where it stopped, and went there and...

Ngày tải lên: 24/12/2013, 14:16

... the corpse they was after Well, I see I warn't hurt, thanks to goodness The boat floated on and went out of sight around the shoulder of the island I could hear the booming now and then, further ... didn't hope so They all crowded up and leaned over the rails, nearly in my face, and kept still, watching with all their might I could see them firstrate, but they couldn't see me Then the captain ... around the foot of the island and started up the channel on the Missouri side, under steam, and booming once in a while as they went I crossed over to that side and watched them When they got...

Ngày tải lên: 24/12/2013, 16:15

... One reason is the spirit of the first days of the Internet, when there was no commercial Internet and people helped each other because someone else had helped them first We were there, we were ... takes the least frequently used memory pages and swaps them out to disk This means you have to bear the time penalty of writing the data to disk If another process then references some of the data ... convinced? Look at the busiest services on the Internet: search engines, webmail servers, and the like—most of them use a clustering approach You may not always notice it, because they hide the real implementation...

Ngày tải lên: 26/01/2014, 07:20

... slant to the right The following code generates the three strings shown in Figure 8-3: BFont theFont(be_plain_font); theFont.SetSize(24.0); theFont.SetShear(45.0); theView->SetFont(&theFont); theView->MovePenTo(110.0, ... produces the text shown in the window in Figure 8-4: BFont theFont(be_plain_font); theFont.SetSize(24.0); theFont.SetRotation(45.0); theView->SetFont(&theFont); theView->MovePenTo(70.0, 110.0); theView->DrawString("Rotate ... Fonts 279 theView->DrawString("Shear 45"); theFont.SetShear(90.0); theView->SetFont(&theFont); theView->MovePenTo(110.0, 140.0); theView->DrawString("Shear 90"); theFont.SetShear(135.0); theView->SetFont(&theFont);...

Ngày tải lên: 26/01/2014, 07:20

... determine the true condition » Check the reputation of the supplier » Inspect the equipment » Observe the equipment under power » Determine the age 8-10 Estimating Acquisition Costs and the Total ... acquisition cost and TCO cost estimates • In the development of the estimates the life cycle costs should be considered 8-11 Life Cycle Cost Analysis • Usage of the equipment • Number of years it will ... benefits » Usually they are long‑term » Length is usually shorter than the life of the equipment » Many financial leases are non-cancelable » Some argue financial leases distort the financial reports...

Ngày tải lên: 04/06/2014, 21:35

... Comparing the three soils in the initial phase, it can be seen that the uptake is dependent on the availability of the antimicrobial in the soil which is best in the sandy soil D With the course of the ... beforehand at the University of Bonn Table 8.2 summarizes the performance data of the ELISAs Selectivity in the context of the model experiments performed means that the cross-reactivity of the antibodies ... previously (data not shown) There were some concerns as to whether the urine components in the leachate would interfere and affect the accuracy of the ELISA measurements Therefore an experiment was...

Ngày tải lên: 18/06/2014, 16:20

... of the effects of the imaginary part on the scattering function Besides the effects of the imaginary part on the Mie scattering function, the variation in the droplet size can also affect the ... the entire particle image (d is the diameter of the particle) Therefore, the larger the particle, the lower the resolution one can obtain for a given dispersion of the spectrometer © 2000 by CRC ... image and the desired resolution of the Raman spectrum Assume that the f-numbers of the collection optics and the spectrometer are f1 and f2, respectively Then, the magnification of the particle...

Ngày tải lên: 18/06/2014, 19:20

... that the flow of organic matter from the plant storage (P) to the organic sediment storage (D) is in proportion to the amount of plants, the mathematical term for the flow is K7*P (where P is the ... Part of the water that enters the swamp is evaporated and transpired by the plants and goes out as vapor in the wind The lead flowing into the swamp receives some lead from recycle, has the two ... organics that fall into the sediments Addition to lead stored in the plants is proportional to the lead in the water and in the plant biomass and decreased by the lead in the organics that go to...

Ngày tải lên: 18/06/2014, 19:20

... Pakistan, the Philippines, Republic of Korea, and Vietnam Together these countries represent more than half the population of the world and many of their diets are dominated by rice The study found the ... incorporated into plant tissue at the primary level of production At the heterotrophic level, either farm animals eat the plants and then people eat the animals, or people eat the plants directly Terrestrial ... approach with the World Health Organization (WHO) and the development of the Codex Alimentarius The Codex has the aim of “protecting the health of consumers, ensuring fair trade practices in the food...

Ngày tải lên: 18/06/2014, 19:20

... graph, with the dose on the xaxis and the percent of organisms affected on the y-axis, the cause of the inflections in the S-shaped curve are due to the presence of sensitive individuals in the low ... When dose is plotted versus response, the slope of the curve is a general indication of the potency of the toxicant: the steeper the slope, the more potent the toxicant relative to chemicals of ... Nanomaterials may pose the greatest risk to the lung because they can be transported like a gas and reach the deepest portion of the lungs, the alveoli The latter structures are crucial for the transport...

Ngày tải lên: 18/06/2014, 22:20

... relevant to base the risk assessment on not only the individual compounds but also their combination, especially when the compounds share the same mode of action In such cases, the sum of the predicted ... include the results of studies to test the safety of the medicine in the target animal species Target livestock species are typically cattle, pigs, and poultry Toxicity data are used to evaluate the ... safety when the medicine is administered to the target animal species (user safety) All of these data should be leveraged for use in the ecotoxicity assessment 8.2 WORKSHOP RECOMMENDATIONS The following...

Ngày tải lên: 18/06/2014, 22:20

... over theother, in the only saloon cabin on board At a quarter past the moorings were loosed and the throbbing steamerpursued her way over the dark waters of the Great Belt The night was dark; there ... harbour where the two-deckers and thefrigate slept peaceably by the red roofing of the warehouse, by thegreen banks of the strait, through the deep shades of the treesamongst which the fort is ... on board There they disappeared inthe hold My uncle, notwithstanding his hurry, had so well calculated therelations between the train and the steamer that we had a whole dayto spare The steamer...

Ngày tải lên: 01/07/2014, 14:20