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GoogleTest: How to skip a test?
...have a broken test that you cannot fix right away, you can add the DISABLED_ prefix to its name. This will exclude it from execution."
Examples:
// Tests that Foo does Abc.
TEST(FooTest, DISABLED_DoesAbc) { ... }
class DISABLED_BarTest : public ::testing::Test { ... };
// Tests that Bar does Xyz...
Adding :default => true to boolean in existing Rails column
...dding a default boolean value to an existing column. So I tried the change_column suggestion but I mustn't be doing it right.
...
What are POD types in C++?
...
In C++11, you can do std::is_pod<MyType>() to tell whether MyType is POD.
– allyourcode
Mar 31 '14 at 21:24
7
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Is it better to use std::memcpy() or std::copy() in terms to performance?
... of std::copy over memcpy: 2.99%
My compiler is gcc 4.6.3 on Fedora 16 x86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations.
Code for my SHA-2 implementations.
I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decided t...
is_null($x) vs $x === null in PHP [duplicate]
... three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpo...
Django Model - Case-insensitive Query / Filtering
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I solved it like this:
MyClass.objects.filter(name__iexact=my_parameter)
There is even a way to use it for substring search:
MyClass.objects.filter(name__icontains=my_parameter)
There's a link to the documentation.
...
Read url to string in few lines of java code
... Scanner(new URL(requestURL).openStream(),
StandardCharsets.UTF_8.toString()))
{
scanner.useDelimiter("\\A");
return scanner.hasNext() ? scanner.next() : "";
}
}
share
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Difference between del, remove and pop on lists
...so that del is slightly faster, but for a different reason: the lookup for __delitem__ on a type implemented in C happens by index rather than by name, whereas pop needs to be looked up following the whole descriptor protocol. The execution of the functions themselves should take the same amount of ...
How much is the overhead of smart pointers compared to normal pointers in C++?
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std::unique_ptr has memory overhead only if you provide it with some non-trivial deleter.
std::shared_ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constru...
How do I use Ruby for shell scripting?
...rectory, including current dir.
#=> array of relative names
File.expand_path('~/file.txt') #=> "/User/mat/file.txt"
File.dirname('dir/file.txt') #=> 'dir'
File.basename('dir/file.txt') #=> 'file.txt'
File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings'
__FILE__ #=> t...