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Difference between declaring variables before or in loop?
...B (original question), does it actually creates a new variable each time ? what happening in the eyes of the stack ?
– Royi Namir
May 31 '12 at 7:44
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What is the difference between HashSet and List?
Can you explain what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
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What is tail recursion?
Whilst starting to learn lisp, I've come across the term tail-recursive . What does it mean exactly?
28 Answers
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What does the caret operator (^) in Python do?
... one (and only one) of the operands (evaluates to) true." is not exact, it what would be the definition of a boolean xor
– Xavier Combelle
Sep 5 '15 at 17:02
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What’s the best RESTful method to return total number of items in an object?
...ually gives us a way to both request a certain range of items and indicate what range of the total result the response items relate to. This header also gives a great way to show the total count. And it is a true standard that mostly maps one-to-one to paging. It is also used in the wild.
Envelope
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How to find memory leak in a C++ code/project?
... This deletes the 30 bytes.
delete [] str1; // Possible access violation. What a disaster!
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Be careful with local pointers. A pointer you declare in a function is allocated on the stack, but the dynamic variable it points to is allocated on the heap. If you don't delete it, it will persist afte...
Is it pythonic to import inside functions?
... file, that way you can tell at a glance how complicated your module is by what it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
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What issues should be considered when overriding equals and hashCode in Java?
What issues / pitfalls must be considered when overriding equals and hashCode ?
11 Answers
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How to import other Python files?
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What if it's not a package but just a script file?
– Jonathan
Jul 29 '18 at 2:19
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
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RDDs extend the Serialisable interface, so this is not what's causing your task to fail. Now this doesn't mean that you can serialise an RDD with Spark and avoid NotSerializableException
Spark is a distributed computing engine and its main abstraction is a resilient distributed ...