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Why does Ruby have both private and protected methods?
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protected methods can be called by any instance of the defining class or its subclasses.
private methods can be called only from within the calling object. You cannot access another instance's private methods directly.
Here is a quick practical exa...
Is the C# static constructor thread safe?
... {
mutex.WaitOne();
return instance;
}
// Each call to Acquire() requires a call to Release()
public static void Release()
{
mutex.ReleaseMutex();
}
}
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...s step, but had to do it again after setting up my engine yard account installing engine yard.
– AVProgrammer
Feb 6 '12 at 1:04
3
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Shiro vs. SpringSecurity [closed]
...ation environment. That means Shiro's Spring integration is superb and it all works exceptionally well. You can rest assured that if you're writing a Spring app, you'll have a well-rounded security experience.
For example, consider the Spring XML config example in another post in this thread. He...
Ruby on Rails vs ASP.NET MVC 3 for a .NET Guy? [closed]
... I used a great book to learn a while back, and it would be right up your alley: Rails for .Net Developers
Also, I wrote a post about going from MVC to RoR a while back as well.
As for comparisons, they both have strengths as has been covered, but here are a few that stick out to me:
I reall...
Can enums be subclassed to add new elements?
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If you could tell us more about how you want to use this, we could potentially suggest alternative solutions.
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“using namespace” in c++ headers
In all our c++ courses, all the teachers always put using namespace std; right after the #include s in their .h files. This seems to me to be dangerous since then by including that header in another program I will get the namespace imported into my program, maybe without realizing, intending or...
How to get the system uptime in Windows? [closed]
...and line utility checks and displays various system statistics such as installation date, installed hotfixes and more.
Open a Command Prompt and type the following command:
systeminfo
You can also narrow down the results to just the line you need:
systeminfo | find "System Boot Time:"
3: By ...
What are some (concrete) use-cases for metaclasses?
...a couple functions I found that I was able to increment the figure count, call draw manually, etc, but I needed to do these before and after every plotting call. So to create both an interactive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metacla...
Threading in a PyQt application: Use Qt threads or Python threads?
...to be unresponsive during the retrieval process (it cannot be split into smaller parts). This is why I'd like to outsource the web connection to a separate worker thread.
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