Programming - Software Engineering The Practice of Programming phần 8 doc
Programming - Software Engineering The Practice of Programming phần 1 pot
... directly from the machine
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readable text. More information is avail
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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
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simplicity, clarity, generality
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that form the bedrock of good
software. One can also overlook the value of tools and n...
Programming - Software Engineering The Practice of Programming phần 2 potx
... 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
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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 ther...
Programming - Software Engineering The Practice of Programming phần 3 docx
... 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
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form...
Programming - Software Engineering The Practice of Programming phần 4 ppsx
...
"P/E"
"LU" ,86 .313 ,-0 . 188 .86 .000 ,86 .500 ,86 .4 38, 85.063,10 8- 5 0,
36. 18, 0.16,0.1.2946700,9675000,N/A
"T",61.125,0.9 38, 60.375,60. 188 ,61.125,60.000, 68. 50,
46.50,1.32,2.1,3061000,4777000,17.0 ...
advquoted.
The new version of
advquoted
uses the C++ standard function
find
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fi rst
-
of
to locate the next occurrence o...
Programming - Software Engineering The Practice of Programming phần 5 pps
...
ensuring the integrity of a software design
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program proofs, modeling, requirements
analysis, formal verification
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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
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ber of the failure, often part of a stack trace, is the most...
Programming - Software Engineering The Practice of Programming phần 6 docx
... manner of tests of pattern
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matching and tok
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enization. (The test directory was of course created by a program.) For years after
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wards, that directory was the bane of file
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tree
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walking ... cause trouble for the rest of time. The results of a
set of tests will not mean much if the tests themselves are flawed.
6 .8
Testing the Markov P...
Programming - Software Engineering The Practice of Programming phần 7 pptx
... better than others.
The following graph shows the effect of the size of the hash table array on run
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time for the C version of markov with Psalms as input (42, 685 words, 22, 482 pre
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fixes). ... domi
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nate the performance. Knuth's guideline is right: a small part of the program con
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sumes most of the run
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time. When a program is fir...
Programming - Software Engineering The Practice of Programming phần 8 doc
... Editor sam,
"
Sofh~are -Practice and Experience,
17,
l I, pp.
8
1 3 -8 45.
1 987 ) use Unicode, but run on a wide variety of systems. The problems of dealing
with 16
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bit character sets ... 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 comp...
Programming - Software Engineering The Practice of Programming phần 9 pps
... utterance in the language. Furthermore, the right implemen
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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
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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...
Programming - Software Engineering The Practice of Programming phần 10 potx
... efficiency. 182
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184
spam filter,
16 6-1 70
data structure diagram, 170
profile, 173
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174
sparse matrix representation, 183
special
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case tuning, 181
special
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purpose allocaror, 180 , 182
specification, ...
Patterson, David, 188
Pentium floating
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point error, 130
performance
bug,
18, 82, 175
cost model, 184
estimation. 184
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187
expected, 40
gr...