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What is the python keyword “with” used for? [duplicate]
...resource is "cleaned up" when the code that uses it finishes running, even if exceptions are thrown. It provides 'syntactic sugar' for try/finally blocks.
From Python Docs:
The with statement clarifies code that previously would use try...finally blocks to ensure that clean-up code is executed. In ...
What's the difference between process.cwd() vs __dirname?
What's the difference between
4 Answers
4
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
8 Answers
...
Get ID of last inserted document in a mongoDB w/ Java driver
...
It's safe to do
doc.set("_id", new ObjectId())
if you look at driver code
if ( ensureID && id == null ){
id = ObjectId.get();
jo.put( "_id" , id );
}
public static ObjectId get(){
return new ObjectId();
}
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Is 'switch' faster than 'if'?
Is a switch statement actually faster than an if statement?
12 Answers
12
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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...F that you wrote to the only version I could find online... please let us know if there's another location for your paper.
– Michael Fredrickson
Dec 17 '14 at 17:59
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How to initialize a private static const map in C++?
...;< A::myMap[1]; into main(). It gives an error. The error doesn't occur if I remove the const qualifiers, so I guess map's operator[] can't handle a const map, at least, not in the g++ implementation of the C++ library.
– Craig McQueen
Oct 31 '13 at 1:08
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Passing a 2D array to a C++ function
...dimension(s). These are more flexible than the above ones since arrays of different lengths can be passed to them invariably.
It is to be remembered that there's no such thing as passing an array directly to a function in C [while in C++ they can be passed as a reference (1)]; (2) is passing a point...
Why use 'virtual' for class properties in Entity Framework model definitions?
...ack Ben, I should have clarified that "properties are not fields". Let me know if you have any other feedback or questions.
– Shan Plourde
Jul 5 '13 at 13:59
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Getting the closest string match
...eloping the Gulf of Mexico Validator tool. What existed was a database of known gulf of Mexico oil rigs and platforms, and people buying insurance would give us some badly typed out information about their assets and we had to match it to the database of known platforms. When there was very little i...