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Opposite of %in%: exclude rows with values specified in a vector
... to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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Using python “with” statement with try-except block
...ated operation, in most cases the IOError should abort the whole operation and so be handled at an outer level. Using with statements, you can get rid of all these try...finally statements at inner levels.
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Format timedelta to string
...answered Feb 11 '09 at 20:52
ParandParand
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How to add to an existing hash in Ruby
...ash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
7 Ans...
What are some popular naming conventions for Unit Tests? [closed]
...test code should not be mixed up with your production code.
As for length and use of underscore, its test code, who the hell cares? Only you and your team will see it, so long as it is readable, and clear about what the test is doing, carry on! :)
That said, I am still quite new to testing and blo...
Error on pod install
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If you landed here on or after January 30th 2014, there is a break in CocoaPods causing this. Please read the related blog post found here: http://blog.cocoapods.org/Repairing-Our-Broken-Specs-Repository/
or do:
pod repo remove mas...
How do you easily horizontally center a using CSS? [duplicate]
I'm trying to horizontally center a <div> block element on a page and have it set to a minimum width. What is the simplest way to do this? I want the <div> element to be inline with rest of my page. I'll try to draw an example:
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EXC_BAD_ACCESS signal received
...hod, but there are a few others), or a copy method, you own the memory too and must release it when you are done.
But if you get something back from just about anything else including factory methods (e.g. [NSString stringWithFormat]) then you'll have an autorelease reference, which means it could ...
RESTful password reset
...is:
PUT /users/:user_id/attributes/password
-- The "current password" and the "new password" passed through the body
You'd have two collections, a users collection, and an attributes collection for each user. The user is specified by the :user_id and the attribute is specified by password. Th...
Proper way to declare custom exceptions in modern Python?
...xception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
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