... belt, and take your foot off the brake You are about to go on a journey from the very basics to the very high-end, enterprise level, and then into the future oftheartofSEO These four authors have ... trademarks of O’Reilly Media, Inc TheArtof SEO, Second Edition, the cover image of a booted racket-tail hummingbird, and related trade dress are trademarks of O’Reilly Media, Inc Many ofthe designations ... SCHWARTZ, NEWS EDITOR, SEARCH ENGINE LAND, AND EDITOR, SEARCH ENGINE ROUNDTABLE ThesecondeditionofTheArtofSEO expands and enhances a book that was already the industry standard for SEO...
... level, and then into the future oftheartofSEO These four authors have been involved in Internet marketing from the very start and have handson experience These are not pundits in search of an ... BEAL, CO-AUTHOR OF RADICALLY TRANSPARENT, FOUNDER OF TRACKUR, AND FOUNDER OF MARKETING PILGRIM The utmost compliments go to the team that pulled together TheArtofSEO As a professional educator, ... guide to the perplexing world ofSEO by some of its most accomplished practitioners TheArtofSEO has become my bible of search Full of clear examples, cutting-edge research, and smart marketing...
... imagine that the bonding MO ofthe C-O bonds are formed by interaction ofthe HOMO of an ethene molecule with an unoccupied AO of an O-atom, and also through interaction ofthe LUMO ofthe ethene molecule ... inversion ofthe N-atom is so high that the configuration ofthe N-atom is fixed at room temperature Thus, the configuration ofthe starting material is preserved and the racemate of one ofthe diastereoisomeric ... — the component with the largest ring — the component with most heteroatoms — the component with the largest number of heteroatoms of different kinds — the component with the greatest number of...
... level, and then into the future oftheartofSEO These four authors have been involved in Internet marketing from the very start and have handson experience These are not pundits in search of an ... BEAL, CO-AUTHOR OF RADICALLY TRANSPARENT, FOUNDER OF TRACKUR, AND FOUNDER OF MARKETING PILGRIM The utmost compliments go to the team that pulled together TheArtofSEO As a professional educator, ... guide to the perplexing world ofSEO by some of its most accomplished practitioners TheArtofSEO has become my bible of search Full of clear examples, cutting-edge research, and smart marketing...
... Introduction So, the purpose of this updated editionofTheArtof Software Testing is the same as it was in 1979: to fill these knowledge gaps for the professional programmer and the student of computer ... Therefore, we will start our discussion of software testing with these issues before we delve into the more technical nature ofthe topic The Psychology of Testing One ofthe primary causes of ... TheArtof Software Testing SecondEdition Glenford J Myers Revised and Updated by Tom Badgett and Todd M Thomas with Corey Sandler John Wiley & Sons, Inc TheArtof Software Testing The Art...
... but they cover only two ofthe four decision outcomes (both of them cover path abe and, hence, not exercise the true outcome ofthe first decision and the false outcome ofthesecond decision) The ... toward the program rather than the programmer In other words, errors are not viewed as weaknesses in the person who committed them Rather, they are viewed as being inherent in the difficulty ofthe ... ratings of other programs compared with those ratings of other reviewers ofthe same program The purpose ofthe process is to allow programmers to self-assess their programming skills As such, the...
... For 66 TheArtof Software Testing instance, perhaps the MTEST program ofthe previous section fails if the product ofthe number of questions and the number of students exceeds some limit (the ... records 19 The above student is the first student in the file 64 TheArtof Software Testing 20 The above student is the last student in the file 21 A student has two answer records, but there is ... DISPLAY 77F-407A displays the words containing the bytes in the address range 775407A, DISPLAY 77F.6 74 TheArtof Software Testing displays the words containing the six bytes starting at location 77F,...
... about the order of entries in EMPTAB and DEPTTAB The function ofthe 102 TheArtof Software Testing module is to increment the salary (EMPTAB.SALARY) of those employees in the department or departments ... effects 92 through 97 should be absent 88 TheArtof Software Testing The most difficult aspect ofthe technique is the conversion ofthe graph into the decision table This process is algorithmic, ... cases invoked, for the most part, the same set of causes, different values for the causes were selected to slightly improve the yield ofthe test cases Also note that, because ofthe actual storage...
... exist until the last module is added 119 120 TheArtof Software Testing Performing the Test The remaining part ofthe module test is the act of actually carrying out the test A set of hints and ... of a module before starting another, because ofthe difficulty of encoding test data in versions of a stub, does not exist when using bottom-up testing 118 TheArtof Software Testing Figure ... advantages of top-down testing become the disadvantages of bottom-up testing, and the disadvantages of topdown testing become the advantages of bottom-up testing Because of this, the discussion of bottom-up...
... research the concept of inductive assertions The goal of this method is the development of a set of theorems about the program in question, the proof of which guarantees the absence of errors in the ... eventually reach the end ofthe path At this point, two assertions exist at the end ofthe path: the original one and the one derived from the assertion at the opposite end You then write a theorem stating ... the following three estimates: An estimate ofthe total number of errors in the program An estimate of what percentage of these errors can feasibly be found through testing 150 TheArtof Software...
... repairing the symptoms ofthe error, or just one instance ofthe error, rather than the error itself If the pro- 172 TheArtof Software Testing posed correction does not match all the clues about the ... discussed in Chapter Ofthe 38 test 166 TheArtof Software Testing cases identified by the process of cause-effect graphing, we start by running four test cases As part ofthe process of establishing ... table, the program is printing the entry number ofthe middle student rather than his or her grade Hence, we have a firm hypothesis about the precise nature ofthe error Next, prove the hypothesis...
... of errors The importance of rooting out the errors in an Internet application cannot be understated As a result ofthe openness and accessi193 194 TheArtof Software Testing bility ofthe Internet, ... Stores 196 TheArtof Software Testing The Web server represents the first tier in the three-tier architecture and houses the Website The look and feel of an Internet application comes from the first ... affects the system very little The types of tests you run depend on the architecture 212 TheArtof Software Testing You should also consider database recovery as equally important The objective of...
... type of system testing ofthe application with large volumes of data to determine whether the application can handle the volume of data specified in its objectives Volume testing is not the same ... minimize the total number of test cases; you should try to partition the input domain of a program into equivalent classes such that the test result for an input in a class is representative ofthe ... 142 Sieve of Eratosthenes, 190 Software development, vs testing, 127 Software development cycle, 123, 124 Software documentation, 125 Software errors: causes, 124, 125 preventing, 125 Software...
... exercises.” So, the purpose of this updated editionofTheArtof Software Testing is the same as it was in 1979: to fill these knowledge gaps for the professional programmer and the student of computer ... Therefore, we will start our discussion of software testing with these issues before we delve into the more technical nature ofthe topic The Psychology of Testing One ofthe primary causes of ... testing They, too, took a more transient approach to the topic Myers’s TheArtof Software Testing, on the other hand, gave the industry a long-lasting, foundational guide to one ofthe most...
... explanation of why this occurs The phenomenon is useful in that it gives us insight or feedback in the testing process If a particular section of a program TheArtof Software Testing - SecondEdition ... the review Only one ofthe participants is the author ofthe program Therefore, the majority of program testing is conducted by people other than the author, which follows the testing principle ... variable, whether the expression 2*i/2 == i depends on whether i has an odd or an even value and whether the multiplication or division is performed first TheArtof Software Testing - Second Edition...
... two ofthe four decision outcomes (both of them cover path abe and, hence, not exercise the true outcome ofthe first decision and the false outcome ofthesecond decision) The obvious way out of ... paths In the case of loops, the number of test cases required by the multiple-condition criterion is normally much less than the number of paths TheArtof Software Testing - SecondEdition Página ... toward the program rather than the programmer In other words, errors are not viewed as weaknesses in the person who committed them Rather, they are viewed as being inherent in the difficulty of the...
... instance, perhaps the MTEST program ofthe previous section fails if the product ofthe number of questions and the number of students exceeds some limit (the program runs out of memory, for example) ... integral number of words (four-byte sequences, where the address ofthe first byte in the word is a multiple of four) is always displayed, regardless ofthe value of hexloc1 or the amount of memory ... vertically on the left side ofthe sheet of paper; the effect nodes are listed vertically on the right side The semantic content ofthe specification is carefully analyzed to interconnect the causes...
... add $2,000 to the salary of all employees in the department or departments having the largest sales amount However, if an eligible employee’s TheArtof Software Testing - SecondEdition Página ... a way of managing the combined elements of testing, since attention is focused initially on smaller units ofthe program Second, module testing eases the task of debugging (the process of pinpointing ... cases invoked, for the most part, the same set of causes, different values for the causes were selected to slightly improve the yield ofthe test cases Also note that, because ofthe actual storage...
... Performing the Test The remaining part ofthe module test is the act of actually carrying out the test A set of hints and guidelines for doing this are described here TheArtof Software Testing - Second ... the bottom-up test cannot begin until the bottom ofthe program has been designed Also, the problem of not completing the test of a module before starting another, because ofthe difficulty of ... that the purpose of a module test is not to demonstrate that the module functions correctly, but to demonstrate the presence of errors in the module TheArtof Software Testing - Second Edition...
... research the concept of inductive assertions The goal of this method is the development of a set of theorems about the program in question, the proof of which guarantees the absence of errors in the ... that the definition ofthe expected result is a vital part of a test case Finally, as always, remember that the purpose ofthe function test is to expose errors TheArtof Software Testing - Second ... eventually reach the end ofthe path At this point, two assertions exist at the end ofthe path: the original one and the one derived from the assertion at the opposite end You then write a theorem stating...