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What is string_view?
...of any and all kinds of "string reference" and "array reference" proposals is to avoid copying data which is already owned somewhere else and of which only a non-mutating view is required. The string_view in question is one such proposal; there were earlier ones called string_ref and array_ref, too....
How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
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What Ruby IDE do you prefer? [closed]
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Aptana sucks. It tells me that common english words are spelt wrong and gives me pointless warnings.
– irl_irl
Mar 6 '10 at 16:26
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How To Accept a File POST
...I need to be able to accept POSTed images/files from client applications. Is this possible using the webapi? Below is how action I am currently using. Does anyone know of an example how this should work?
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Causes of getting a java.lang.VerifyError
...against a different library than you are using at runtime.
For example, this happened to me when trying to run a program that was compiled against Xerces 1, but Xerces 2 was found on the classpath. The required classes (in org.apache.* namespace) were found at runtime, so ClassNotFoundException wa...
Get all object attributes in Python? [duplicate]
Is there a way to get all attributes/methods/fields/etc. of an object in Python?
4 Answers
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How to JSON serialize sets?
...o be expressed as one of these types.
As shown in the json module docs, this conversion can be done automatically by a JSONEncoder and JSONDecoder, but then you would be giving up some other structure you might need (if you convert sets to a list, then you lose the ability to recover regular lists;...
How to clear MemoryCache?
...s to it but when I need to reload the cache I want to clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
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How to redirect 'print' output to a file using python?
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The most obvious way to do this would be to print to a file object:
with open('out.txt', 'w') as f:
print >> f, 'Filename:', filename # Python 2.x
print('Filename:', filename, file=f) # Python 3.x
However, redirecting stdout also w...
Data structure: insert, remove, contains, get random element, all at O(1)
I was given this problem in an interview. How would you have answered?
14 Answers
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