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Is there a benefit to defining a class inside another class in Python?

...Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right? ...
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Does Haskell require a garbage collector?

...ser types "clear"; so the lifetime of this must be determined dynamically, and this is why dynamic memory management is necessary. So in this sense, automated dynamic memory allocation is necessary, and in practice this means: yes, Haskell requires a garbage collector, since garbage collection is t...
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How to trace the path in a Breadth-First Search?

... return path # enumerate all adjacent nodes, construct a new path and push it into the queue for adjacent in graph.get(node, []): new_path = list(path) new_path.append(adjacent) queue.append(new_path) print bfs(graph, '1', '11') Another appro...
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Easy way to write contents of a Java InputStream to an OutputStream

... but I suspect I'm just missing something which would make my life easier (and the code clearer). 23 Answers ...
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Get current time in seconds since the Epoch on Linux, Bash

...e , but in seconds since 1970 instead of the current date, hours, minutes, and seconds. 7 Answers ...
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Reducing the space between sections of the UITableView

.... I did already try to return 0 for -tableView:heightForFooterInSection: and -tableView:heightForHeaderInSection: but that doesn't change anything. ...
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Why java.lang.Object is not abstract? [duplicate]

...e argued that some of the methods would benefit from this. Take hashCode() and equals() for instance, there would probably have been a lot less frustration around the complexities of these two if they had both been made abstract. This would require developers to figure out how they should be impleme...
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Views vs Components in Ember.js

I am learning ember.js, and I am trying to understand the difference between a view and a component. I see both as a way of making reusable components. ...
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Is file append atomic in UNIX?

...n NFS. But assuming you write to a log file you opened in 'O_APPEND' mode and keep your lines (including newline) under 'PIPE_BUF' bytes long, you should be able to have multiple writers to a log file without any corruption issues. Any interrupts will arrive before or after the write, not in the m...
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Find and replace with sed in directory and sub directories

I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site: 7 Answers ...