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If Python is interpreted, what are .pyc files?

...f and can compile to a huge variety of "back-end" forms including "just-in-time" generated machine language). They're all Python (=="implementations of the Python language") just like many superficially different book objects can all be Bibles (=="copies of The Bible"). If you're interested in CPy...
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How to use the “number_to_currency” helper method in the model rather than view?

...roller::Base.helpers.pluralize. Now you can use helpers.pluralize multiple times, without repeating the long module paths. So I suppose the answer to this particular question could be: class Job < ActiveRecord::Base include JobsHelper def details return "Only " + helpers.to_dollar(part_...
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Initializing a static std::map in C++

... Every time I see something like that done with C++, I think of all the horrendous template code that must be behind it. Good example! – Greg Hewgill Sep 26 '08 at 10:22 ...
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Relative paths based on file location instead of current working directory [duplicate]

... make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir. Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location of the scri...
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Test for existence of nested JavaScript object key

...ar if you want to prevent the overhead of creating a new empty object each time. In 99% of cases I would not expect speed to matter, and in cases where it does there is no substitute for profiling. – Gabe Moothart Sep 5 '13 at 18:13 ...
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What is “rvalue reference for *this”?

...ugh, does an rvalue reference to the member of a temporary prolong the lifetime of that temporary, or the member thereof? I could swear I saw a question about that on SO some time ago... – Xeo Dec 22 '11 at 23:22 ...
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Downloading a picture via urllib and python

...n, the extension of the file would be appended. It made sense to me at the time, but I think now I understand what's happening. – JeffThompson Nov 3 '14 at 11:41 68 ...
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Sorted collection in Java

...ng Collections.sort(...) is that this will maintain a partial order at all times, with O(log(n)) insertion performance, by using a heap data structure, whereas inserting in a sorted ArrayList will be O(n) (i.e., using binary search and move). However, unlike a List, PriorityQueue does not support i...
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JSON and XML comparison [closed]

...chines), even if for the matter of speed, it requires some reasonable more time to compress. Also, in this benchmark, a big amount of data was processed, and a typical web application won't transmit data chunks of such sizes, as big as 90MB, and compression may not be beneficial (for small enough d...
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How to force a web browser NOT to cache images

...ure.jpg?1222259157.415" alt=""> Where "1222259157.415" is the current time on the server. Generate time by Javascript with performance.now() or by Python with time.time() share | improve this a...