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Setup RSpec to test a gem (not Rails)

...with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development? I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually....
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How to call Android contacts list?

I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work. ...
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Determine device (iPhone, iPod Touch) with iOS

Is there a way to determine the device running an application. I want to distinguish between iPhone and iPod Touch , if possible. ...
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How do I provide JVM arguments to VisualVM?

I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
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What should my Objective-C singleton look like? [closed]

... The thing is this is the Apple sample code for "creating a singleton". But yeah, you're absolutely right. – Colin Barrett Oct 23 '08 at 1:39 ...
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Eclipse executable launcher error: Unable to locate companion shared library

...eclipse had completely vanished - all the program files have completely disappeared. When I try to reinstall it, I get an error message that says ...
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p

... meaning of these options as below :- Arup-iMac:$ git add -p diff --git a/app/interactors/reporting_groups/list_colleagues.rb b/app/interactors/reporting_groups/list_colleagues.rb index adc28af..f46f5e3 100644 --- a/app/interactors/reporting_groups/list_colleagues.rb +++ b/app/interactors/reporting...
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Unique fields that allow nulls in Django

...aggregates. It has been replaced with from_db_value(). Note that the new approach does not call the to_python() method on assignment as was the case with SubfieldBase. Therefore, as suggested by the from_db_value() documentation and this example, this solution must be changed to: class CharNull...
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In Python, what is the difference between “.append()” and “+= []”?

... For your case the only difference is performance: append is twice as fast. Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import timeit >>> timei...
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What is the difference between C++ and Visual C++? [duplicate]

...ut enhance your productivity. This is a trade-off. You have to decide what appeals most to you. I've maintained big desktop apps that were written in Visual C++, so that is perfectly feasible. From what I know of Visual Basic, the main advantage seems to be that the first part of the development cy...