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What is the meaning of “non temporal” memory accesses in x86
This is a somewhat low-level question. In x86 assembly there are two SSE instructions:
3 Answers
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Redis strings vs Redis hashes to represent JSON: efficiency?
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It depends on how you access the data:
Go for Option 1:
If you use most of the fields on most of your accesses.
If there is variance on possible keys
Go for Option 2:
If you use just single fields on most of your accesses.
If you always k...
Difference between “git add -A” and “git add .”
...ly applies to Git version 1.x. For Git version 2.x, see other answers.
Summary:
git add -A stages all changes
git add . stages new files and modifications, without deletions
git add -u stages modifications and deletions, without new files
Detail:
git add -A is equivalent to git add .; git...
Asserting successive calls to a mock method
Mock has a helpful assert_called_with() method . However, as far as I understand this only checks the last call to a method.
If I have code that calls the mocked method 3 times successively, each time with different parameters, how can I assert these 3 calls with their specific parameters?
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
If we have 10 eigenvectors then we can have 10 neural nodes in input layer.If we have 5 output classes then we can have 5 nodes in output layer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer?
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How can I create a copy of an object in Python?
I would like to create a copy of an object. I want the new object to possess all properties of the old object (values of the fields). But I want to have independent objects. So, if I change values of the fields of the new object, the old object should not be affected by that.
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Javascript object Vs JSON
I want to understand the basic differences clearly between Javascript object and JSON string.
5 Answers
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Git submodule update
I'm not clear on what the following means (from the Git submodule update documentation):
4 Answers
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What's the fundamental difference between MFC and ATL?
Assuming I am only using them for "normal" GUI programs (no COM, no ActiveX, nothing fancy), what is the fundamental difference I will see between ATL and MFC, to help me figure out which one to use?
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
Yesterday I was giving a talk about the new C# "async" feature, in particular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls.
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