Duff's Device in Python?

Hi,

How do I implement Duff's Device (like from C) in Python?

nobody cares

>>1
ONE WORD.
and everyone knows it...

Write it as a Python module in C.
http://artfulcode.nfshost.com/files/writing-python-modules-in-c-with-swig.html

I hate swig

>>5
I hate Python's native C API even more. At least it ships with ctypes now.

>>3
lispisshit

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http://awfulcode.dickhost.com/files/writing-python-modules-in-one-word.html

THE FORCED INDENTATION OF CODE
THREAD OVER

Duff's Device sounds like something I'd put in my anus. Kinky.

>>6
I hate Python.

>>12
python hates you

I want to implement a MacGuffin in Ruby, how do I do that?

>>14
There's already Rails.

Rails in my anus. Programming PHP feels like rails in my anus.

Programming Rails feels like PHP in my anus.

>>1
I'm afraid to ask, but why do you want to implement a Duff's Device in Python?

Do you suffer from premature optimization?

premature optimization
Nonsense terms considered harmful.

http://en.wikipedia.org/wiki/Optimization_(computer_science)#When_to_optimize
Optimization can reduce readability and add code that is used only to improve the performance. This may complicate programs or systems, making them harder to maintain and debug. As a result, optimization or performance tuning is often performed at the end of the development stage.

Donald Knuth made the following statement on optimization:

    * "We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil."[1]

(He also attributed the quote to Tony Hoare several years later,[2] although this might have been an error as Hoare disclaims having coined the phrase.[3])

"Premature optimization" is a phrase used to describe a situation where a programmer lets performance considerations affect the design of a piece of code. This can result in a design that is not as clean as it could have been or code that is incorrect, because the code is complicated by the optimization and the programmer is distracted by optimizing.

An alternative approach is to design first, code from the design and then profile/benchmark the resulting code to see which parts should be optimized. A simple and elegant design is often easier to optimize at this stage, and profiling may reveal unexpected performance problems that would not have been addressed by premature optimization.

In practice, it is often necessary to keep performance goals in mind when first designing software, but the programmer balances the goals of design and optimization.


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To see ourselves as others see us is a most salutary gift. Hardly less important is the capacity to see others as they see themselves.

http://en.wikipedia.org/wiki/Oopteemizeshun_(cumpooter_sceeence-a)#Vhee_tu_oopteemize
Oopteemizeshun cun redooce-a reedebeelity und edd cude-a thet is used oonly tu imprufe-a zee perffurmunce-a. Bork Bork Bork! Thees mey cumpleecete-a prugrems oor systems, mekeeng zeem herder tu meeentein und deboog. Bork Bork Bork! Es a resoolt, oopteemizeshun oor perffurmunce-a tooneeng is oofftee perffurmed et zee ind ooff zee defelupment stege-a. Bork Bork Bork!

Duneld Knoot mede-a zee fullooeeng stetement oon oopteemizeshun:

    * "Ve-a shuoold furget ebuoot smell iffffeeciencies, sey ebuoot 97% ooff zee teeme-a: premetoore-a oopteemizeshun is zee ruut ooff ell ifeel."[1]

(He-a elsu ettreebooted zee qooute-a tu Tuny Huere-a seferel yeers leter,[2] elthuoogh thees meeght hefe-a beee un irrur es Huere-a deescleims hefeeng cueened zee phrese-a.[3])

"Premetoore-a oopteemizeshun" is a phrese-a used tu descreebe-a a seetooeshun vhere-a a prugremmer lets perffurmunce-a cunseedereshuns effffect zee deseegn ooff a peeece-a ooff cude-a. Bork Bork Bork! Thees cun resoolt in a deseegn thet is nut es cleun es it cuoold hefe-a beee oor cude-a thet is incurrect, becoose-a zee cude-a is cumpleeceted by zee oopteemizeshun und zee prugremmer is deestrected by oopteemizing. Bork Bork Bork!

Un elterneteefe-a eppruech is tu deseegn furst, cude-a frum zee deseegn und zeen pruffeele-a/benchmerk zee resoolteeng cude-a tu see-a vheech perts shuoold be-a oopteemized. Bork Bork Bork! A seemple-a und ilegunt deseegn is oofftee ieseeer tu oopteemize-a et thees stege-a, und pruffeeling mey refeel unexpected perffurmunce-a prublems thet vuoold nut hefe-a beee eddressed by premetoore-a oopteemizeshun. Bork Bork Bork!

In precteece-a, it is oofftee necessery tu keep perffurmunce-a guels in meend vhee furst deseegning sufftvere-a, boot zee prugremmer belunces zee guels ooff deseegn und oopteemizeshun. Bork Bork Bork!


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