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Can code that is valid in both C and C++ produce different behavior when compiled in each language?
C and C++ have many differences, and not all valid C code is valid C++ code.
(By "valid" I mean standard code with defined behavior, i.e. not implementation-specific/undefined/etc.)
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
Every time I mention slow performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer...
How to initialize a dict with keys from a list and empty value in Python?
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Generating v5 UUID. What is name and namespace?
I've read the man page, but I do not undestand what name and namespace are for.
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
What does it mean for an SqlConnection to be "enlisted" in a transaction? Does it simply mean that commands I execute on the connection will participate in the transaction?
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Why would finding a type's initializer throw a NullReferenceException?
... to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my surprise, a small test of this threw ...
How do Mockito matchers work?
Mockito argument matchers (such as any , argThat , eq , same , and ArgumentCaptor.capture() ) behave very differently from Hamcrest matchers.
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Difference between Mock / Stub / Spy in Spock test framework
I don't understand the difference between Mock, Stub, and Spy in Spock testing and the tutorials I have been looking at online don't explain them in detail.
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
I want to tackle some image-processing problems in Haskell. I'm working with both bitonal (bitmap) and color images with millions of pixels. I have a number of questions:
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OPTION (RECOMPILE) is Always Faster; Why?
I encountered an odd situation where appending OPTION (RECOMPILE) to my query causes it to run in half a second, while omitting it causes the query to take well over five minutes.
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