Software Exorcism: A Handbook for Debugging and Optimizing by Bill Blunden

By Bill Blunden

YOU need to personal THIS publication! Software Exorcism: A instruction manual for Debugging and Optimizing Legacy Code takes an unflinching, no bulls$&# examine behavioral difficulties within the software program engineering undefined, laying off much-needed mild at the social forces that make it tricky for programmers to do their activity. Do you've got a co-worker who eternally writes undesirable code that you're pressured to wash up? this can be your ebook. whereas there are many books out there that hide debugging and non permanent workarounds for undesirable code, Reverend invoice Blunden takes a progressive step past them by means of bringing our awareness to the underlying health problems that plague the software program as an entire.

additional, Software Exorcism discusses instruments and methods for potent and competitive debugging, offers optimization thoughts that attract all degrees of programmers, and provides in-depth remedies of technical matters with sincere tests that aren't biased towards proprietary solutions.

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Extra info for Software Exorcism: A Handbook for Debugging and Optimizing Legacy Code

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This algorithm uses Lehmer's ( 1951 ) linear congruential generator ( LCG ), such that l_wFirst is the seed of the simulation process . 05/1ib/src/shared/src/lib directory . Actual random data is obtained via a small memory resident application that intercepts CPU keyboard interrupts from the 80259 controller. Average time between keystrokes is averaged and placed in the volatile intvl variable. The presence of 'A' and OX01 can be understood by recalling that the simulation software assumes a specific lower range value to prevent the numeric coprocessor from introducing rounding errors .

If your documentation is going to be read by people who are merely going to use your code (as opposed to modify it), then you may want to add a feature so that documentation for private routines can be excluded. This will provide an interface description without exposing the internal operation of your code . 6 Design for Change This is one of the hardest things for programmers to accept. 13 A system is typically only "done" when it is put out of commission (and even then, it may get transformed into an open source project and a small group of die-hard programmers will keep it on life support indefinitely).

Youthink you finally beat him, you think that he's finally been conquered, and BAM . he's back from the dead. A programmer in charge of maintaining a program cannot simply solve a problem and move on . The only people who ever get to move on are architectural consultants who bill by the hour. Instead, the average maintenance programmer will be faced with continually reworking variations of the same basic theme in an effort to accommodate new features. Fortunately, there are design techniques, which can be used during implementation, that facilitate later modification.

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