chapter 4  the software paradox at work

... Purpose Create a generic I/O buffer in the operating system Establish a network connection and associate it with the I/O buffer created by socket( ) Read data from the network connection Write data ... $! Establishing a Network Connection Calling connect( ) attempts to contact a server at a desired host and port The configuration information is stored in a data structure that is passed to connect( ... applications must associate these characteristics with a newly created socket For example, in the following line, the SH file handle is associated with the newly created socket PF_INET indicates...

Ngày tải lên: 20/10/2013, 10:15

... $response, $header, $data)=@_; # assume that response, header, and data will be printed my $all = !($response || $header || $data); # if the URL isn't a full URL, assume that it is a http request ... requests, we'll change hcat into shcat, a shell utility that accepts methods, headers, and entity-body data from standard input With this program, you can write shell scripts that specify different ... F "User-Agent: hcat/1.0\n\n"; Replace it with this: # copy STDIN to network connection while () {print F;} and save it as shcat Now you can say whatever you want on shcat's STDIN, and it...

Ngày tải lên: 20/10/2013, 10:15

... string instead getattr also works on dictionaries In theory, getattr would work on tuples, except that tuples have no methods, so getattr will raise an exception no matter what attribute name you ... getattr As a Dispatcher A common usage pattern of getattr is as a dispatcher For example, if you had a program that could output data in a variety of different formats, you could define separate ... Creating a Dispatcher with getattr import statsout def output(data, format="text"): output_function = getattr(statsout, "output_%s" % format) return output_function(data) The output function takes...

Ngày tải lên: 14/12/2013, 14:15

... Ultimately, reduced electron carriers participate in downstream reaction pathways that generate ATP, the energy currency of the cell 17 CATABOLISM Note that one high-energy nucleoside triphosphate ... pathway that completes the oxidative degradation of fatty acids, amino acids, and monosaccharides During aerobic catabolism, these biomolecules are broken down to smaller molecules that ultimately ... location Catabolism Anabolism & catabolism Sources of acetyl-CoA Fatty acid –aminoacid- monosaccharides Content Reactants & products Cyclical reaction pathway Fate of acetyl CoA carbon regulation:...

Ngày tải lên: 29/06/2014, 13:20

... human, or attitude Easily to subgroup, classify, arrange, statistic, calculate of rate The laws (rules) of measurement Example 1: Measuring the time “go to shopping” has to stipulate that is the ... a matter, in addition there isn't another what idea Usable statistics operations with nominal scale are:  Count;  Frequency Counting (of event);  Define mode value;  To execute verification; ... of rates show that the distance between different answers are wrong how many % The interval scale provides more information than ordinal scale 15 4.3 The Interval scale The statistics operations...

Ngày tải lên: 09/07/2014, 17:20

... beta Calculations with Beta Suppose you measure the currents in a transistor and find that IB = 0.2 mA and IC = 10 mA Calculate the value of IC for a base current of 1mA Find beta from data:  = ... frequency at which hfe = Gain & Amplification Voltage Gain: AV = VOUT / VIN Current Gain: AI = IOUT / IIN Power Gain: AP = POUT / PIN = AV  AI Amplification requires power gain Classification of ... =  calculated IB =  0.8mA = 1.6 mA Calculate base resistor: RB = 12V / 1.6mA = 7.5 k Power Gain of a Transistor Switch Suppose a transistor ( = 100) is being used to turn a 100 Watt load on...

Ngày tải lên: 08/08/2014, 16:22

... valuations, favoring models that make money with software over those attempting to make money from the sales of software www.it-ebooks.info 12 | THE SOFTWARE PARADOX The Four Generations of Software ... source software that is managed by a third party possesses crucial advantages in terms of convenience www.it-ebooks.info | The Software Paradox at Work Because the implications of the Software Paradox ... browser-based applications was www.it-ebooks.info THE SOFTWARE PARADOX AT WORK | 29 transformative Because browsers supported the major available operating systems, it no longer mattered as much what the...

Ngày tải lên: 28/08/2016, 13:09

... learn more about what your new classmate likes to do, offer suggestions that relate to his or her interests If he or she likes computers, painting, or dance, but that’s a subject that you don’t know ... him or herself What we can What he or she can by Lisa Oram Identify four words in this book that are unfamiliar List each word on a separate sheet of paper and write a guess at its meaning Then ... being a new student at school by telling what it was like for a boy named Marcus Describe in a general way what it’s like to go to a new school The New Kid at School Classmates in a school can...

Ngày tải lên: 11/02/2017, 15:18

... statement about all of them together This statement is called a generalization Look for clue words, such as most, always, all, and never Valid generalizations are accurate Faulty generalizations ... Kid at School 16917_LRD_TG_084-085 85 85 10/20/05 2:15:54 PM The New Kid at School Name Generalize • A generalization is a broad statement or rule that applies to many examples A generalization ... fear you listed in question 3? © Pearson Education 5 What if Marcus could turn these negative expectations around? What would be a more positive generalization he could make about his fellow students?...

Ngày tải lên: 20/03/2017, 13:14

... and then separate to different gametes  Maternal and paternal copies of chromosome pairs separate without regard to the assortment of other homologous chromosome pairs  At fertilization an egg’s ... chromosome from their father • Results in 1:1 ratio of females-to-males 11 VNU-University of Science - DNThai Fig 4.6 a, b Species variations in sex determination • In Drosophila, ratio of X chromosomes ... to offspring  Alternative alleles segregate to different gametes  Alternative alleles of unrelated genes assort independently  Alleles obtained from one parent unite at random with those from...

Ngày tải lên: 15/06/2017, 20:35

... "Poirot," I cried, "I congratulate you! This is a great discovery." "What is a great discovery?" "Why, that it was the coco and not the coffee that was poisoned That explains everything! Of course ... To that I attribute the circumstance that you have omitted one fact of paramount importance." "What is that?" I asked "You have not told me if Mrs Inglethorp ate well last night." I stared at him ... know that I ought " Dorcas hesitated Poirot looked at her keenly "My good Dorcas, it is necessary that I should know every detail of that quarrel as fully as possible Do not think that you are...

Ngày tải lên: 05/07/2014, 18:20

Ngày tải lên: 23/10/2013, 12:15

... Configuration Order Placement Order Status Service Order Invoice © e-Business Strategies, Reseller Care Cisco Connection Online Installation and Configuration Documentation Operation Support Software ... Personalized experience Continuous Innovation at Cisco Systems At Cisco, business design centers on the core belief in what continuous innovation demands from organizations attempting it – build on change, ... intelligence dedication to measurement systems mgmt of customer expectations © e-Business Strategies, Continuous-Innovation Excellence © e-Business Strategies, Continuous-Innovation Excellence...

Ngày tải lên: 09/12/2013, 17:22

... Laptop computer 14% Maternity/paternity leave above statutory 13% Duvet days 12% Alternative medicine/treatment 8% Lifestyle vouchers 6% Regular medical examinations 4% Help with childcare Assistance ... plenty of opportunities to go forth and network through initiatives like PRCA FrontLine Katherine Smith Campaign Manager Firefly Communications Geography graduate “The most rewarding experience recently ... Golin/Harris International English Literature/Sociology graduate “The client is Bass Brewers, and I work on Worthington’s sponsorship of the League Cup Effectively, we operate a press office...

Ngày tải lên: 13/12/2013, 04:15

... ought to be related to an angel Sara went on talking Perhaps some people might think that what she said was rather like a fairy story, but it was all so real to her own imagination that Lottie began ... small fat legs violently, and Miss Amelia was bending over her in consternation and despair, looking quite red and damp with heat Lottie had always found, when in her own nursery at home, that kicking ... most highly flavored imitation of Miss Minchin "`Dear Sara must speak French to Lady Pitkin Her accent is so perfect.' She didn't learn her French at the Seminary, at any rate And there's nothing...

Ngày tải lên: 14/12/2013, 21:15

... 'way fum de water as much as you kin, en don't run no resk, 'kase it's down in de bills dat you's gwyne to git hung." When I lit my candle and went up to my room that night there sat pap his ... every now and then, but I didn't see nobody I was at Judge Thatcher's as quick as I could get there He said: "Why, my boy, you are all out of breath Did you come for your interest?" "No, sir," ... property to me not give it That's the correct idea." Then he wrote something on a paper and read it over, and says: "There; you see it says 'for a consideration.' That means I have bought it of...

Ngày tải lên: 15/12/2013, 09:15

... shall mourn a a -blessed are they that shall they that a they that shall mourn, for they shall a shall what? Why don't you tell me, Mary? what you want to be so mean for?" "Oh, Tom, ... using every art that seemed likely to fascinate a girl and win her applause His exaltation had but one alloy the memory of his humiliation in this angel's garden and that record in sand was ... reflections inspired was attested by the impressive silence and the ranks of staring eyes This was the great Judge Thatcher, brother of their own lawyer Jeff Thatcher immediately went forward, to...

Ngày tải lên: 24/12/2013, 14:16

... (#PCDATA)*> CDATA #FIXED "CITY"

Ngày tải lên: 21/01/2014, 06:20

... title tab B_BORDERED_WINDOW Creates a nonmodal window that has no title tab B_FLOATING_WINDOW Creates a window that floats above (won’t be obscured by) other application windows There’s another ... definition a private data member of the window class type Consider a program that displays two windows: an input window for entering a mathematical equation, and an output window that displays a ... character of a data member name: class MathApp : public BApplication { public: MathApp(); 108 Chapter 4: Windows, Views, and Messages private: EquationWindow GraphWindow *fEquationWindow; *fGraphWindow;...

Ngày tải lên: 26/01/2014, 07:20