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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...ould go with operator notation, and ended up with matcher expressions that read very much like English sentences, with spaces between the words. Specs matcher syntax runs words together more with camel case.
Specs has more matchers than ScalaTest, and that I think reflects a difference in design at...
Shared-memory objects in multiprocessing
... will of course depend on the object).
See the Ray documentation. You can read more about fast serialization using Ray and Arrow. Note I'm one of the Ray developers.
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Is multiplication and division using shift operators in C actually faster?
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Agreed, optimizing for readability and maintainability will probably net you more time to spend actually optimizing things that the profiler says are hot code paths.
– doug65536
Jan 2 '13 at 21:04
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How can I add reflection to a C++ application?
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I don't really get why this is a clever response. I've already said I'd like references to libraries etc to implement this. The reflection/introspection is for various system to allow script access, serialisation etc.
– Nick
Mar 30 '09 at 15:1...
How to fix Git error: object file is empty?
... This can happen during machine crashes, etc.
I had the same thing. After reading the other top answers here I found the quickest way to fix the broken git repository with the following commands (execute in the git working directory that contains the .git folder):
(Be sure to back up your git r...
What is the difference D3 datum vs. data?
...n.datum. Sometimes, it's a lot easier to "grok" something by doing than by reading.
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What is the dependency inversion principle and why is it important?
...This answer does not say why DIP is important, or even what DIP is. I have read the official DIP document, and think this is really a poor and unjustified "principle", because it's based on a flawed assumption: that high-level modules are reusable.
– Rogério
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Maintain the aspect ratio of a div with CSS
... Wow epic solution. Can't believe this was staring me in the face. I've already used these units for some font sizing can't believe it didn't occur to me to use them for this. Also just realised I can replace a good chunk of my JS stylesheet interactions. :)
– azariah
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What is the real overhead of try/catch in C#?
...esolution in order to create the frames for diagnostic purposes, including reading of metadata etc.
both of the above items typically access "cold" code and data, so hard page faults are probable if you have memory pressure at all:
the CLR tries to put code and data that is used infrequently far f...
How do function pointers in C work?
...of the text segment (along with code for functions).
The text segment has Read+Exec permission, so casting string literals to function pointers works without needing mprotect() or VirtualProtect() system calls like you'd need for dynamically allocated memory. (Or gcc -z execstack links the program...