chapter 2  basic parallelism the eval monad

... 2: Basic Parallelism: The Eval Monad www.it-ebooks.info Applying seq to z caused it to be evaluated to a pair, but the components of the pair are still unevaluated The seq function evaluates ... for creating parallelism, which is provided by the module Control.Parallel.Strategies: data Eval a instance Monad Eval runEval :: Eval a -> a rpar :: a -> Eval a rseq :: a -> Eval a Parallelism ... computation—a thunk If the argument is already evaluated, nothing useful happens, because there is no work to perform in parallel The Eval monad provides a runEval operation that performs the Eval computation...

Ngày tải lên: 05/05/2014, 15:46

... 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 ... protocol they agree on (e.g., HTTP, NNTP, SMTP, etc.) Initially, the server uses the socket( ) system call to create the socket, and the bind( ) call to assign the socket to a particular port on the ... is that the server sits and waits for connections over the network to the port in question When a client connects to that port, the server accepts the connection and then converses with the client...

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

Ngày tải lên: 23/10/2013, 12:15

... customer niches and then making a concerted effort to serve them well – Requires commitment to CRM Operating principles of service excellence – prepare for the unforeseen – gather and maintain ... current projects that not support the goals of the e-business design © e-Business Strategies, Service Excellence at American Express Business transformation of the mid 1990s resulted in new e-business ... sure the acquisition is assimilated quickly Extended Enterprise model to support the innovationexcellence model – Focus on core competencies and form partnerships with suppliers that provide other...

Ngày tải lên: 09/12/2013, 17:22

... 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

... categories – financial, lifestyle and career – and the graph below from recent a survey shows the most prevalent benefits in each category: Prevalence of financial benefits Commission for new ... overcome with emotion because you have just managed to get them into six articles in the Financial Times – they take this stuff home to show their kids – it is mad!” Anthony Scammell Account Manager ... graduate The client is Bass Brewers, and I work on Worthington’s sponsorship of the League Cup Effectively, we operate a press office which acts as an interface between the brand and the media...

Ngày tải lên: 13/12/2013, 04:15

... 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 ... similar to the bool ? a : b expression in C The entire expression is evaluated from left to right, so the and is evaluated first and 'first' evalutes to 'first', then 'first' or 'second' evalutes ... 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...

Ngày tải lên: 14/12/2013, 14:15

... them it wafts the scent of them into the air and everybody always breathes it, because the soft wind is always blowing And little children run about in the lily fields and gather armfuls of them, ... wreaths And the streets are shining And people are never tired, however far they walk They can float anywhere they like And there are walls made of pearl and gold all round the city, but they are ... scraped their knees, she ran and helped them up and patted them, or found in her pocket a bonbon or some other article of a soothing nature She never pushed them out of her way or alluded to their...

Ngày tải lên: 14/12/2013, 21:15

... clumb over the stile where you go through the high board fence There was an inch of new snow on the ground, and I seen somebody's tracks They had come up from the quarry and stood around the stile ... the tracks first I didn't notice anything at first, but next I did There was a cross in the left boot-heel made with big nails, to keep off the devil I was up in a second and shinning down the ... be There is ways to keep off some kinds of bad luck, but this wasn't one of them kind; so I never tried to anything, but just poked along low-spirited and on the watch-out I went down to the...

Ngày tải lên: 15/12/2013, 09:15

... blessed are the poor a a " "In spirit " "In spirit; blessed are the poor in spirit, for they they " "Theirs " "For theirs Blessed are the poor in spirit, for theirs is the kingdom ... for the next ten years But there was no -55- getting around it here were the certified checks, and they were good for their face Tom was therefore elevated to a place with the Judge and the other ... dipped the soap in the water and laid it down; turned up his sleeves; poured out the water on the ground, gently, and then entered the kitchen and began to wipe his face diligently on the towel...

Ngày tải lên: 24/12/2013, 14:16

... Stylesheet//EN The former selects the print stylesheet and the latter selects the HTML stylesheet There is an SGML Open catalog file in the distribution that maps these public identifiers to the stylesheet ... specify the characteristics of the flow object The specific characteristics you use depends on the flow object The contentexpression can vary; it is usually another make expression or one of the ... that the body of a constant is evaluated when the definition occurs, while functions are evaluated when they are used 4.3.6.7 Conditionals In DSSSL, the constant #t represents true and #f false There...

Ngày tải lên: 21/01/2014, 06:20

... (the monitor that displays the Deskbar) Additionally, the width of the screen can be determined by subtracting the left coordinate from the right, and the height by subtracting the top from the ... button was clicked The values of the point are in the view’s coordinate system For example, if the cursor was over the very top left corner of the view at the time of the mouse click, the point’s coordinates ... altered—as they are here with the writing of the string “Quitting ” the view needs to be updated before the changes become visible onscreen If the changes are made while the view’s window is hidden, then...

Ngày tải lên: 26/01/2014, 07:20

... concentration, on the one hand, and the experimental determination of a no-effect concentration (NOEC) of the pharmaceutical on the other hand.3,4 Because the aquatic environment represents the primary ... with the preadapted microorganisms for 27 days The biological degradation of the test and reference substances was evaluated by the measurement of the carbon dioxide (CO2) produced during the ... approximately 90 to 120% of the nominal values The time course of the results demonstrates that the substance solutions were stable during the whole exposure period The results of the measured 100 90...

Ngày tải lên: 18/06/2014, 16:20

... breakpoint on the closing brace (}) of the foreach block Run the app again and click the button When the execution hits the breakpoint, hold your mouse pointer over the word people in the foreach ... as later in the book in a discussion of advanced query topics For the most part, except for the from being the first clause and the select being the last clause, the order of any other operator ... between the EDM and the database The ObjectContext The end of Chapter discussed the ObjectContext and the important role it plays in the EDM, and Chapter referenced it again as it talked about how the...

Ngày tải lên: 18/06/2014, 17:20

... ∆H1 (4.18) Here, the subscript, 1, refers to the solvent and the other subscript numbers refer to the solutes The last term in Equation 4.18 accounts for the fact that ∆H1, the differential heat ... general the agreement between measurements and theory is good, the single-particle data show less scatter than the bulk-solution data and agree better with theoretical predictions The two theoretical ... center of the cell by properly manipulating the ac and dc voltages applied to the electrodes The system is closed and evacuated to a pressure below 10–7 torr The vacuum is then valved off and the dc...

Ngày tải lên: 18/06/2014, 19:20

... coefficient) The more tightly they are bound, the less time they remain in river and seawaters (smaller residence time) The shorter the residence time the lower the concentrations in the seawaters The ... concentrate the lead further to the refined state Then this amount of emergy can be subtracted from the emergy per gram of the refined state to get a value for the lesser state TRANSFORMITY, THE EMERGY ... for the same emergy flows, which means the transformity increases If the energy source is solar energy, then the solar transformity of the inflow to the first unit is 100 sej/100 J = sej/J; the...

Ngày tải lên: 18/06/2014, 19:20

... the same natural series The water passes through the solid grain either in the bedrock of the aquifers or in the soils from the drainage area The rate of this weathering is not the same for the ... exchanging their radioactive contents with water The nature of the compartment determines the nature of the dominant interaction mechanisms The properties of the compartments depend, of course, on the ... content of 238U in the solids of the aquifer where the water is stored The geochemical characteristics of the aquifer determine the dissolution of radium from the solids into the water 226Ra is...

Ngày tải lên: 18/06/2014, 19:20

... be the same as the primary standards Neither the December 20, 2005, proposed revised PM standards, nor the background documents issued together with the proposal, discuss the standards in the ... risk of injury to the public because of, among other factors, the pattern of the defect, the number of defective products distributed in commerce, and the severity of the risk.” The Statement also ... stakeholders on the detailed design of the NMSP The EPA developed the NMSP Concept Paper and its accompanying annexes “to outline [the EPA’s] initial thinking on the design and development” of the NMSP,...

Ngày tải lên: 18/06/2014, 22:20

... containing the active ingredient to the feed during commercial preparation The therapeutic agent is absorbed from the feed into the fish and is then transferred to the sea lice as they feed on the skin ... al (2003) The transport of these substances is influenced by the sorption behavior of the compounds, the presence of manure in the soil matrix, and the nature of the land to which the manure ... The time since release determines the area of the patch, and, assuming a constant depth, the volume of the patch can be calculated The mean concentration of the medicine within the patch at the...

Ngày tải lên: 18/06/2014, 22:20