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Reasons that the passed Intent would be NULL in onStartCommand

...t will be called with a null intent object, so you must take care to check for this." http://developer.android.com/reference/android/app/Service.html share | improve this answer | ...
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When creating HTML emails, should we use html, head, body tags?

...ere: a webmail willing to show your mail as a full page, could keep your format. a webmail will simply strip the tags and attributes it doesn't want. But you can't never know which ones. It's easier to find (server side) components that follow format standards, and thus less error prone. Parsers n...
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What does rake db:test:prepare actually do?

...mpts, it is a good idea to first run db:test:prepare, as it first checks for pending migrations and warns you appropriately. -- http://guides.rubyonrails.org/testing.html Basically it handles cloning the database so you don't have to run the migrations against test to update the test database...
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Efficient list of unique strings C#

... If you are using .NET 3.5, the HashSet should work for you. The HashSet<(Of <(T>)>) class provides high performance set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order. ...
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redis-py : What's the difference between StrictRedis() and Redis()?

I want to use redis-py for caching some data, but I can't find a suitable explanation of the difference between redis.StrictRedis() and redis.Redis() . Are they equivalent? ...
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Choose between ExecutorService's submit and ExecutorService's execute

...te() that generates some Throwable will cause the UncaughtExceptionHandler for the Thread running the task to be invoked. The default UncaughtExceptionHandler, which typically prints the Throwable stack trace to System.err, will be invoked if no custom handler has been installed. On the other hand,...
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mysql create user if not exists

I have a query to check mysql users list for create new user. 2 Answers 2 ...
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What does -XX:MaxPermSize do?

...to augment this space if you load many classes (this is typically the case for application servers and some IDE like Eclipse) : The permanent generation does not have a noticeable impact on garbage collector performance for most applications. However, some applications dynamically generate a...
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Haml: Control whitespace around text

... out about these by reading Haml's source. Apparently they've been around for a while. Odd that they don't document them in the main reference page... – Groxx Jun 10 '11 at 23:51 ...
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Add a method breakpoint to all methods of a class in EclipseIDE

... Adding to this, you can set a keyboard shortcut for Toggle Method Breakpoint so you can just key through the outline. – Aaron Blenkush Dec 16 '13 at 22:11 ...