Programming - Software Engineering The Practice of Programming phần 3 docx

... directly from the machine - readable text. More information is avail - able at the web site for The Practice of Programming: The majority of the programs are in C, with a number of examples ... sight of the basic principles - simplicity, clarity, generality - that form the bedrock of good software. One can also overlook the value of tools and n...

Ngày tải lên: 13/08/2014, 08:20

... program: 24, the number of rows on the screen; 80, the number of columns; and 26, the number of letters in the alphabet. But none of these appears in the code, which makes the num - bers that do even ... NELEMS(htm1chars)) ; to find the array index of the character %. Binary search eliminates half the data at each step. The number of steps is there...

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... byte of the string to a multiple of the hash so far. The multiplication spreads bits from the new byte through the value so far; at the end of the loop, the result should be a thorough mixing of ... The larger the size, the shorter the expected length of the chains and thus the faster the lookup. This program is really a toy, so the per - form...

Ngày tải lên: 13/08/2014, 08:20

... the lump of sugar into small pieces and put them together again in the bottom of a liquid. Exercise 3 - 4. Revise the Java version of markov to use an array instead of a Vector for the ... advquoted. The new version of advquoted uses the C++ standard function find - fi rst - of to locate the next occurrence of a separator character. The...

Ngày tải lên: 13/08/2014, 08:20

... ensuring the integrity of a software design - program proofs, modeling, requirements analysis, formal verification - but none of these has yet changed the way software is built; they have ... of their most common uses is to examine the state of a program after death. The source line num - ber of the failure, often part of a stack trace, is the most...

Ngày tải lên: 13/08/2014, 08:20

... include all combinations of: offset = 10, 11, , 20 c = 0, 1, Ox7F, 0x80, OxFF, Ox112 233 44 n=0,1,2 ,3, 4,5,7,8,9,15,16,17, 31 , 32 , 33 , , 65 535 , 65 536 , 65 537 The values of n would include ... manner of tests of pattern - matching and tok - enization. (The test directory was of course created by a program.) For years after - wards, that direc...

Ngày tải lên: 13/08/2014, 08:20

... Knuth's profiling paper, " An Empirical Study of FORTRAN Programs, " appeared in Software - Practice and Experience, 1, 2, pp. 105 - 133 , 197 1. The core of the paper is ... domi - nate the performance. Knuth's guideline is right: a small part of the program con - sumes most of the run - time. When a program is first p...

Ngày tải lên: 13/08/2014, 08:20

... advantage of the strengths of each system. The drawbacks include the size and complexity of the installation process and the complexity of code riddled with compile - time condi - tionals. ... assume the first byte of the packet can be used to deter - mine the layout. The sender encodes the data in this format and ships it; the receiver reads...

Ngày tải lên: 13/08/2014, 08:20

... utterance in the language. Furthermore, the right implemen - tation can run very fast; a combination of theory and engineering practice makes a lot of difference, an example of the benefit of specialized ... charac - ter of the text from left to right, it should skip over the longest string that matches the starred operand, then back up if the rest of...

Ngày tải lên: 13/08/2014, 08:20

... 34 quadratic algorithm, 40. 43. 176 questionable code notation, ?, 2, 88 quicksort algorithm. 32 analysis, 34 diagram. 33 Java, 37 - 40 pivot element, 32 - 34 quicksort function, 33 ... 13, 133 .225 eliminarion, 179 idioms. 12 - 13, 140 inversion. 169 LOOP macro. 240 loop unrolling. 179 variable declaration, 12 machine stack, 234 virtual, 2 03, 2 13,...

Ngày tải lên: 13/08/2014, 08:20