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Convert Time from one time zone to another in Rails
My created_at timestamps are stored in UTC:
5 Answers
5
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C#: Abstract classes need to implement interfaces?
...f an abstract class, you simply define those members with the abstract keyword:
interface IFoo
{
void Bar();
}
abstract class Foo : IFoo
{
public abstract void Bar();
}
Or to put it another way: you don't have to "implement" it (which would be a terrible limitation on abstract classes); ...
Which characters are valid/invalid in a JSON key name?
Are there any forbidden characters in key names, for JavaScript objects or JSON strings? Or characters that need to be escaped?
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How can I find out what version of git I'm running?
I'm trying to follow some tutorials to learn how to use Git but some of the instructions are for specific versions.
5 Answe...
Where are Docker images stored on the host machine?
I managed to find the containers under directory /var/lib/docker/containers , but I can't find the images.
29 Answers
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Why are floating point numbers inaccurate?
Why do some numbers lose accuracy when stored as floating point numbers?
6 Answers
6
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Memory management in Qt?
I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
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Automatically update version number
I would like the version property of my application to be incremented for each build but I'm not sure on how to enable this functionality in Visual Studio (2005/2008). I have tried to specify the AssemblyVersion as 1.0.* but it doesn't get me exactly what I want.
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Can I checkout github wikis like a git repository?
I want to modify and view github wikis with local editor like Emacs, and Google Code wikis can be checked out just like code. Is there any way to checkout github wikis? Or is there any other git repository provider offers such feature?
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What is Turing Complete?
...en that will find an answer (although with no guarantees regarding runtime or memory).
So, if somebody says "my new thing is Turing Complete" that means in principle (although often not in practice) it could be used to solve any computation problem.
Sometime's it's a joke... a guy wrote a Turing M...