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Difference between BeautifulSoup and Scrapy crawler?
I want to make a website that shows the comparison between amazon and e-bay product price.
Which of these will work better and why? I am somewhat familiar with BeautifulSoup but not so much with Scrapy crawler .
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What kinds of patterns could I enforce on the code to make it easier to translate to another program
... programming language to another. The languages I am starting with are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan is:
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What is the difference between aggregation, composition and dependency? [duplicate]
What is the difference between aggregation, composition and dependency?
7 Answers
7
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How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
I would like to change permissions of a folder and all its sub folders and files in one step (command) in Linux.
16 Answers...
Can a local variable's memory be accessed outside its scope?
...u rent a hotel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key!
A week later, you return to the hotel, do not check in, sneak into your old room with your stolen key, and look in the ...
Difference between parameter and argument [duplicate]
Is there a difference between a "parameter" and an "argument", or are they simply synonyms?
4 Answers
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Scala vs. Groovy vs. Clojure [closed]
Can someone please explain the major differences between Scala, Groovy and Clojure. I know each of these compiles to run on the JVM but I'd like a simple comparison between them.
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What is the advantage to using bloom filters?
I am reading up on bloom filters and they just seem silly. Anything you can accomplish with a bloom filter, you could accomplish in less space, more efficiently, using a single hash function rather than multiple, or that's what it seems. Why would you use a bloom filter and how is it useful?
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LLVM vs clang on OS X
I have a question concerning llvm, clang, and gcc on OS X.
3 Answers
3
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Proper stack and heap usage in C++?
I've been programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap.
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