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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...gisters to the variables.
In your case, the speeds are a direct result of what is stuck to the (false) dependency chain depending on what the register allocator decided to do.
13 GB/s has a chain: popcnt-add-popcnt-popcnt → next iteration
15 GB/s has a chain: popcnt-add-popcnt-add → next iter...
What is the difference between a map and a dictionary?
...is a data structure that maps keys to values. Isn't a dictionary the same? What is the difference between a map and a dictionary 1 ?
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How can I convert spaces to tabs in Vim or Linux?
...stions on Stack Overflow for how to convert spaces to tabs without finding what I need. There seem to be more questions about how to convert tabs to spaces, but I'm trying to do the opposite.
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Will using 'var' affect performance?
...s types. If the compiler can't create that IL because it can't figure out what type you intended to use, you'll get a compiler error.
The only trick is that var will infer an exact type where you may have chosen an Interface or parent type if you were to set the type manually.
Update 8 Years Later...
Iterate over object attributes in python
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@Meitham @Pablo What's wrong is mainly that you shouldn't need to do this. Which attributes you're interested in should be inclusive not exclusive. As you've already seen, you're including methods, and any attempt to exclude them will be fla...
What is the string length of a GUID?
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Thanks for you two, what I will need is 36, I said I wanna store Guid.NewGuid.
– Shimmy Weitzhandler
Jun 9 '09 at 6:24
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What's the difference between REST & RESTful
What's the difference between a REST system and a system that is RESTful?
15 Answers
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Switching from zsh to bash on OSX, and back again?
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All depends on what you expect your terminal window to do when you exit. I find starting a subshell unnecessary and undesirable, myself.
– larsks
May 3 '12 at 15:40
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Is there any standard for JSON API response format?
...d with, but rather the "response boilerplate", if you will. An example of what I mean:
15 Answers
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Getting GDB to save a list of breakpoints
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what about if they are from a shared lib load? It answers N by default it seems... Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
– bjackfly
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