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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t).
Python encourages the use of exceptions, which you handle is a phrase from Dive Into Python. Your example not only handles the exception (gracefully), rather than letting it silently pass, also the exception occurs only in the exceptional case of index not being found (hence the word exception!...
TypeError: 'str' does not support the buffer interface
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This problem commonly occurs when switching from py2 to py3. In py2 plaintext is both a string and a byte array type. In py3 plaintext is only a string, and the method outfile.write() actually takes a byte array when outfile is opened in binary mode, so an exception is...
What's a good rate limiting algorithm?
...as it is going to block the thread and therefore preventing another client from using it.
– Maresh
Feb 7 '16 at 20:56
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RelativeLayout is taking fullscreen for wrap_content
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From the RelativeLayout doc:
Class Overview
A Layout where the positions of the children can be described in relation to each other or to the parent.
Note that you cannot have a circular dependency between the size of the Re...
What is the correct format to use for Date/Time in an XML file
...ToString("yyyy-MM-dd HH:mm:ss");
EDIT: If you are using a generated class from an XSD or Web Service, you can just assign the DateTime instance directly to the class property. If you are writing XML text, then use the above.
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What is the type of lambda when deduced with “auto” in C++11?
...er. However typeid<> returns a non-trvial object which should differ from lambda to generic function pointer. So the test for typeid<> is not a valid assumption. In general C++11 do not want us to worry about type specification, all that matter if a given type is convertible to a target ...
What is the correct way to represent null XML elements?
...ould mean that series is an inapplicable element to the current element.)
From: The W3C
XML Schema: Structures introduces a
mechanism for signaling that an
element should be accepted as ·valid·
when it has no content despite a
content type which does not require or
even necessarily ...
What is the best way to force yourself to master vi? [closed]
...enefits of Vim is the speed it allows you. The arrow keys also prevent you from really embracing the modal nature, which is very powerful when mastered.
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Too many 'if' statements?
... creation.
The essence of the function that solves OP's problem is a map from 2 numbers (one,two), domain {0,1,2,3} to the range {0,1,2,3}. Each of the answers has approached how to implement that map.
Also, you can see in a number of the answers a restatement of the problem as a map of 1 2-digi...
Android - get children inside a View?
...vary based on how vertical/horizontal the view hierarchy is.
Cross-posted from: Android | Get all children elements of a ViewGroup
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