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In C#, what is the difference between public, private, protected, and having no access modifier?

... instantiated, and that all of its members are static. A static member has one version regardless of how many instances of its enclosing type are created. A static class is basically the same as a non-static class, but there is one difference: a static class cannot be externally instantiated. In oth...
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How can I get a list of locally installed Python modules?

...i in installed_packages]) print(installed_packages_list) As a (too long) one liner: sorted(["%s==%s" % (i.key, i.version) for i in pip.get_installed_distributions()]) Giving: ['behave==1.2.4', 'enum34==1.0', 'flask==0.10.1', 'itsdangerous==0.24', 'jinja2==2.7.2', 'jsonschema==2.3.0', 'markup...
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Is REST DELETE really idempotent?

...the effect is that account 123 is now deleted from the server. That is the one and only effect, the one and only change to the state of the server. Now lets say you do the same DELETE http://example.com/account/123 request again, the server will respond differently, but its state is the same. Its...
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How do I sort a list by different parameters at different timed

... Since no answer stood out as the clear alternative, I'm gonna accept this one because I like the elegance, but I urge anyone viewing this answer to check the other approaches as well. – runaros Sep 15 '09 at 21:31 ...
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getApplication() vs. getApplicationContext()

...pplicationContext() is declared in the Context class. That actually means one thing : when writing code in a broadcast receiver, which is not a context but is given a context in its onReceive method, you can only call getApplicationContext(). Which also means that you are not guaranteed to have acc...
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How to rotate portrait/landscape Android emulator? [duplicate]

I am new to Android development. I know if you change a android phone from portrait to landscape sometimes the app relays its self out on the screen.. so how do I simulate rotating a phone with the emulator? On the Blackberry emulators there's a button in the menu to turn the phone, but I can't f...
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Find out which remote branch a local branch is tracking

...ee as it being the correct answer. It's an answer the same way giving someone a dictionary answers "how do you spell XYZ". case in point, you want to USE the resulting answer (the branch name) for some operation.. This answer only helps me visually see it... doesn't give you something usable in a ...
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Creating a comma separated list from IList or IEnumerable

... exactly what the performance is like, including (but not limited to) this one. As of .NET 4.0, there are more overloads available in string.Join, so you can actually just write: string joined = string.Join(",", strings); Much simpler :) ...
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Is it safe to assume a GUID will always be unique?

...ample), would it be safe to assume they're all unique to save testing each one? 6 Answers ...
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Get domain name from given url

...usted inputs. "Mr. Gosling -- why did you make url equals suck?" explains one such problem. Just get in the habit of using java.net.URI instead. public static String getDomainName(String url) throws URISyntaxException { URI uri = new URI(url); String domain = uri.getHost(); return dom...