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One DbContext per web request… why?
I have been reading a lot of articles explaining how to set up Entity Framework's DbContext so that only one is created and used per HTTP web request using various DI frameworks.
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bool operator ++ and --
Today while writing some Visual C++ code I have come across something which has surprised me. It seems C++ supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this?
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
First off, it may seem that I'm asking for subjective opinions, but that's not what I'm after. I'd love to hear some well-grounded arguments on this topic.
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...e binary serialization format to Google's Protocol Buffers and JSON which also outperforms both.
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What does gcc's ffast-math actually do?
I understand gcc's --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would chan...
How do I validate a date string format in python?
I have a python method which accepts a date input as a string .
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Why should the Gradle Wrapper be committed to VCS?
From Gradle's documentation: https://docs.gradle.org/current/dsl/org.gradle.api.tasks.wrapper.Wrapper.html
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How to perform Callbacks in Objective-C
How to perform call back functions in Objective-C?
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How can mixed data types (int, float, char, etc) be stored in an array?
I want to store mixed data types in an array. How could one do that?
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Can't pickle when using multiprocessing Pool.map()
...ltiprocessing 's Pool.map() function to divide out work simultaneously. When I use the following code, it works fine:
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