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List of lists changes reflected across sublists unexpectedly
I needed to create a list of lists in Python, so I typed the following:
14 Answers
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Spring - @Transactional - What happens in background?
...hen you annotate a method with @Transactional ?
Of course, I know that Spring will wrap that method in a Transaction.
6 An...
Python Linked List
What's the easiest way to use a linked list in python? In scheme, a linked list is defined simply by '(1 2 3 4 5) . Python's lists, [1, 2, 3, 4, 5] , and tuples, (1, 2, 3, 4, 5) , are not, in fact, linked lists, and linked lists have some nice properties such as constant-time concatenation, and b...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
I have the following two tables:
8 Answers
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What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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What is the difference between a map and a dictionary?
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Two terms for the same thing:
"Map" is used by Java, C++
"Dictionary" is used by .Net, Python
"Associative array" is used by PHP
"Map" is the correct mathematical term, but it is avoided because it has a separate meaning in functional programming...
What is the “FS”/“GS” register intended for?
So I know what the following registers and their uses are supposed to be:
5 Answers
5
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What are the basic rules and idioms for operator overloading?
Note: The answers were given in a specific order , but since many users sort answers according to votes, rather than the time they were given, here's an index of the answers in the order in which they make most sense:
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Received fatal alert: handshake_failure through SSLHandshakeException
...n that connects to external server with Client Authorized SSL certificate. In my Action I am trying to send some data to bank server but without any luck, because I have as a result from server the following error:
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System.currentTimeMillis vs System.nanoTime
...I should use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible.
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