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Breaking up long strings on multiple lines in Ruby without stripping newlines
We recently decided at my job to a ruby style guide. One of the edicts is that no line should be wider than 80 characters. Since this is a Rails project, we often have strings that are a little bit longer - i.e. " User X wanted to send you a message about Thing Y " that doesn't always fit within the...
How to implement has_many :through relationships with Mongoid and mongodb?
Using this modified example from the Rails guides , how does one model a relational "has_many :through" association using mongoid?
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AttributeError(“'str' object has no attribute 'read'”)
In Python I'm getting an error:
5 Answers
5
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Covariance, Invariance and Contravariance explained in plain English?
Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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bash: Bad Substitution
This bash script gives me Bad substitution error on Ubuntu. Any help will be highly appreciated.
11 Answers
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“npm config set registry https://registry.npmjs.org/” is not working in windows bat file
I create a.bat on windows 7, the content of a.bat is:
10 Answers
10
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The resulting API analysis is too large when upload app to mac store
I am going to upload my first mac app to Apple Store
3 Answers
3
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Use-case of `oneway void` in Objective-C?
I found a strange keyword in NSObject.h
2 Answers
2
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throws Exception in finally blocks
Is there an elegant way to handle exceptions that are thrown in finally block?
15 Answers
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Refreshing web page by WebDriver when waiting for specific condition
I'm looking for more elegant way to refresh webpage during tests (I use Selenium2).
I just send F5 key but I wonder if driver has method for refreshing entire webpage
Here is my code
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