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Catching an exception while using a Python 'with' statement

... print 'oops' If you want different handling for errors from the open call vs the working code you could do: try: f = open('foo.txt') except IOError: print('error') else: with f: print f.readlines() ...
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What are the rules about using an underscore in a C++ identifier?

...FC background, you'll probably use m_foo . I've also seen myFoo occasionally. 5 Answers ...
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Simple way to copy or clone a DataRow?

... Apparently Clone() only provides a shallow copy. Do you think that will be enough to create an identical copy or is a deep clone required? – Paul Matthews Aug 19 '12 at 11:08 ...
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How to navigate through textfields (Next / Done Buttons)

How can I navigate through all my text fields with the "Next" Button on the iPhone Keyboard? 34 Answers ...
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Get event listeners attached to node using addEventListener

... You can't. The only way to get a list of all event listeners attached to a node is to intercept the listener attachment call. DOM4 addEventListener Says Append an event listener to the associated list of event listeners with type set to type, listener set to ...
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Using sed, how do you print the first 'N' characters of a line?

... 211 Don't use sed, use cut: grep .... | cut -c 1-N If you MUST use sed: grep ... | sed -e 's/^\...
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How does HTTP file upload work?

...?) always threaded so that they can handle concurrent connections. Essentially, the daemon process that's listening on port 80 immediately hands off the task of serving to another thread/process in order that it can return to listening for another connection; even if two incoming connections arrive...
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How accurate is python's time.sleep()?

...e of about 10ms. – Joseph Lisee Aug 11 '10 at 15:55 On Windows 8 I get just under 2ms – markmnl ...
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Why do people use __(double underscore) so much in C++

...specific, and are slightly more detailed than some others have suggested. All identifiers that contain a double underscore or start with an underscore followed by an uppercase letter are reserved for the use of the implementation at all scopes, i.e. they might be used for macros. In addition, all ...
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Basic http file downloading and saving to disk in python?

... | edited May 23 '17 at 11:47 Community♦ 111 silver badge answered Oct 26 '13 at 4:59 ...