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What is the meaning of “non temporal” memory accesses in x86
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Non-Temporal SSE instructions (MOVNTI, MOVNTQ, etc.), don't follow the normal cache-coherency rules. Therefore non-temporal stores must be followed by an SFENCE instruction in order for their results to be seen by other processors in...
Grasping the Node JS alternative to multithreading
If I understand correctly Node JS is non blocking...so instead of waiting for a response from a database or other process it moved on to something else and checks back later.
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How to wrap async function calls into a sync function in Node.js or Javascript?
...off your users, getData API cannot be changed to return merely a promise or demand a callback parameter. How do you meet both requirements?
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Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
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How is “mvn clean install” different from “mvn install”?
...ean is its own build lifecycle phase (which can be thought of as an action or task) in Maven. mvn clean install tells Maven to do the clean phase in each module before running the install phase for each module.
What this does is clear any compiled files you have, making sure that you're really comp...
Copy array by value
... clones the array and returns a reference to a new array.
Also note that:
For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both the original and new array refer to the same object. If a referenced object changes, the changes are vi...
How to replace (or strip) an extension from a filename in Python?
Is there a built-in function in Python that would replace (or remove, whatever) the extension of a filename (if it has one) ?
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Asserting successive calls to a mock method
...approach to this problem.
From the docs:
assert_has_calls (calls, any_order=False)
assert the mock has been
called with the specified calls. The mock_calls list is checked for
the calls.
If any_order is False (the default) then the calls must be sequential.
There can be extra ca...
Embed SVG in SVG?
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Use the image element and reference your SVG file. For fun, save the following as recursion.svg:
<svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />...
Instantiating a generic class in Java [duplicate]
I know Java's generics are somewhat inferior to .Net's.
10 Answers
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