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What's the best manner of implementing a social activity stream? [closed]

...aring your opinions in which is the best way of implementing a social activity stream (Facebook is the most famous example). Problems/challenges involved are: ...
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How to import a module given the full path?

How can I load a Python module given its full path? Note that the file can be anywhere in the filesystem, as it is a configuration option. ...
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Changing my CALayer's anchorPoint moves the view

...but keep the view in the same place. I've tried NSLog -ing self.layer.position and self.center and they both stay the same regardless of changes to the anchorPoint. Yet my view moves! ...
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Nesting await in Parallel.ForEach

...ed to do them in a parallel loop. The problem is that the parallel loop exits before the WCF calls are all complete. 9 Ans...
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How do you auto format code in Visual Studio?

...: Ctrl+K, Ctrl+D See the pre-defined keyboard shortcuts. (These two are Edit.FormatSelection and Edit.FormatDocument.) Note for OS X On OS X use the CMD ⌘ key, not Ctrl: To format a selection: CMD ⌘+K, CMD ⌘+F To format a document: CMD ⌘+K, CMD ⌘+D ...
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How to negate specific word in regex? [duplicate]

...bar).*$ The negative lookahead construct is the pair of parentheses, with the opening parenthesis followed by a question mark and an exclamation point. Inside the lookahead [is any regex pattern]. share | ...
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ActiveRecord.find(array_of_ids), preserving order

...only There is a function in mysql called FIELD() Here is how you could use it in .find(): >> ids = [100, 1, 6] => [100, 1, 6] >> WordDocument.find(ids).collect(&:id) => [1, 6, 100] >> WordDocument.find(ids, :order => "field(id, #{ids.join(',')})") => [100, 1, 6] ...
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How can I verify if one list is a subset of another?

... The performant function Python provides for this is set.issubset. It does have a few restrictions that make it unclear if it's the answer to your question, however. A list may contain items multiple times and has a specific order. A set does not. Additionally, sets only work on hashable ob...
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?

...ath, an absolute path, and a canonical path. .\file.txt - This is a path. It's neither an absolute path nor a canonical path. C:\temp\myapp\bin\..\\..\file.txt - This is a path and an absolute path. It's not a canonical path. A canonical path is always an absolute path. Converting from a path to...
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In Python, how do I determine if an object is iterable?

Is there a method like isiterable ? The only solution I have found so far is to call 21 Answers ...