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Entity Framework DateTime and UTC
...y Framework (I am using the Code First Approach with CTP5 currently) store all DateTime values as UTC in the database?
13 A...
Should I pass a shared_ptr by reference? [duplicate]
...mber of bugs arise from improper lifetime management. What's worse conceptually is that it is never clear who owns the objects whose pointers the container stores. The pointers could even be a mix of pointers to dynamic objects, automatic objects, and garbage. Nobody can tell. So the standard soluti...
Ruby: Easiest Way to Filter Hash Keys?
...ou have the keys in a separate list, you can use the * notation:
keys = [:foo, :bar]
hash1 = {foo: 1, bar:2, baz: 3}
hash2 = hash1.slice(*keys)
=> {foo: 1, bar:2}
As other answers stated, you can also use slice! to modify the hash in place (and return the erased key/values).
...
error: passing xxx as 'this' argument of xxx discards qualifiers
...w. I have a coworker who refers to me as the "const-able". 8v) Change that foo obj; to const foo obj; once and see what happens. Or pass a const reference to a foo.
– Fred Larson
May 12 '11 at 5:06
...
Copy folder recursively, excluding some folders
...kHuginnsson - What systems are you using? Rsync is included by default in all mainstream Linux distros I know of, including RHEL, CentOS, Debian, and Ubuntu, and I believe it's in FreeBSD as well.
– siliconrockstar
Jan 30 '15 at 19:50
...
Why can't I use the 'await' operator within the body of a lock statement?
The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement.
8 Answers
...
How to define hash tables in Bash?
...ecuting your script directly, or execute script with bash script. (Not actually executing a Bash script with Bash does happen, and will be really confusing!)
You declare an associative array by doing:
declare -A animals
You can fill it up with elements using the normal array assignment operator....
How do you unit test a Celery task?
... in Django is:
from django.test import TestCase, override_settings
from .foo import foo_celery_task
class MyTest(TestCase):
@override_settings(CELERY_ALWAYS_EAGER=True)
def test_foo(self):
self.assertTrue(foo_celery_task.delay())
...
C++ Dynamic Shared Library on Linux
...were for a plugin system, you would use MyClass as a base class and define all the required functions virtual. The plugin author would then derive from MyClass, override the virtuals and implement create_object and destroy_object. Your main application would not need to be changed in any way.
...
How can I pass a member function where a free function is expected?
...ext! i0=" << i0 << " i1=" << i1 << "\n";
}
struct foo {
void member(int i0, int i1) {
std::cout << "member function: this=" << this << " i0=" << i0 << " i1=" << i1 << "\n";
}
};
void forwarder(void* context, int i0, ...