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Instance variable: self vs @
... method is implemented in a given subclass. For example, you might have a MiddleAgedSocialite class that always reports its age 10 years younger than it actually is. Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a ...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...
you don't need '\' inside the parentheses.
– jfs
Oct 15 '15 at 8:31
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Git diff between current branch and master but not including unmerged master commits
...pecial syntax for this:
git diff master...branch
You must not swap the sides because then you would get the other branch. You want to know what changed in branch since it diverged from master, not the other way round.
Loosely related:
Finding a branch point with Git?
How can I see what branch ...
How does generic lambda work in C++14?
...
Unfortunately, they are not part of C++11 (http://ideone.com/NsqYuq):
auto glambda = [](auto a) { return a; };
int main() {}
With g++ 4.7:
prog.cpp:1:24: error: parameter declared ‘auto’
...
However, the way it might be implemented in C++14 as per the Portland p...
Rails nested form with has_many :through, how to edit attributes of join model?
... honestly, this is the kind of full example that the rubyonrails.org guides need.
– ahnbizcad
Jul 17 '14 at 23:24
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The difference between the 'Local System' account and the 'Network Service' account?
...LocalService
the account has no password (any password information you provide is ignored)
HKCU represents the LocalService user account
has minimal privileges on the local computer
presents anonymous credentials on the network
SID: S-1-5-19
has its own profile under the HKEY_USERS registry key (HKE...
Assigning out/ref parameters in Moq
...public interface IGobbler
{
bool Gobble(ref int amount);
}
delegate void GobbleCallback(ref int amount); // needed for Callback
delegate bool GobbleReturns(ref int amount); // needed for Returns
var mock = new Mock<IGobbler>();
mock.Setup(m => m.Gobble(ref It.Ref<int>.I...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...grayed out. It seems that a strike-through indicates that a rule was overridden, but what does it mean when a style is grayed out?
...
Fixing slow initial load for IIS
...like compilation and loading of libraries in memory.
Using C, setting the idle timeout, should be enough so that subsequent requests to the server are served fast (restarting the app pool takes quite some time - in the order of seconds).
As far as I know, the timeout exists to save memory that oth...
datetime dtypes in pandas read_csv
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Aside from the fact that this doesn't have the desired effect, it also doesn't work: AttributeError: type object 'datetime.datetime' has no attribute 'datetime'
– Gabriel
Dec 1 '16 at 9:29...