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What does “atomic” mean in programming?
...aking the operation atomic consists in using synchronization mechanisms in order to make sure that the operation is seen, from any other thread, as a single, atomic (i.e. not splittable in parts), operation. That means that any other thread, once the operation is made atomic, will either see the val...
How to flip windows in vim? [duplicate]
If I have 2 horizontally split windows, how to rotate them to get 2 vertically split windows?
4 Answers
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Does “untyped” also mean “dynamically typed” in the academic CS world?
...tradicted what I thought to be true so I started digging to try and learn more.
9 Answers
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What's the right OAuth 2.0 flow for a mobile app
I am trying to implement delegated authorization in a Web API for mobile apps using OAuth 2.0. According to specification, the implicit grant flow does not support refresh tokens, which means once an access token is granted for an specific period of time, the user must grant permissions to the app a...
Print variables in hexadecimal or decimal format
...ry these:
# Hexadecimal
p/x variable
# Binary
p/t variable
See output formats.
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How to run JUnit test cases from the command line
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For JUnit 5.x it's:
java -jar junit-platform-console-standalone-<version>.jar <Options>
Find a brief summary at https://stackoverflow.com/a/52373592/1431016 and full details at https://junit.org/junit5/docs/curr...
What exceptions should be thrown for invalid or unexpected parameters in .NET?
What types of exceptions should be thrown for invalid or unexpected parameters in .NET? When would I choose one instead of another?
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Common use-cases for pickle in Python
...ed (persistence)
2) sending python data over a TCP connection in a multi-core or distributed system (marshalling)
3) storing python objects in a database
4) converting an arbitrary python object to a string so that it can be used as a dictionary key (e.g. for caching & memoization).
There ar...
What is the difference between 'E', 'T', and '?' for Java generics?
... no difference between the first two - they're just using different names for the type parameter (E or T).
The third isn't a valid declaration - ? is used as a wildcard which is used when providing a type argument, e.g. List<?> foo = ... means that foo refers to a list of some type, but we do...
StringIO in Python3
I am using Python 3.2.1 and I can't import the StringIO module. I use
io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this:
...