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Can someone explain collection_select to me in clear, simple terms?
...order(..) or something like that.
# In your example it is:
Author.all,
# then you should specify methods for generating options
:id, # this is name of method that will be called for every row, result will be set as key
:name_with_initial, # this is name of method that will be ...
Is it possible for a computer to “learn” a regular expression by user-provided examples?
...at most modern "regular expressions" used in programming languages are actually stronger than regular languages, and therefore sometimes harder to learn.
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How can I prevent the “You have mixed tabs and spaces. Fix this?” message?
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Sounds like you have the Visual Studio Productivity Power Tools 2013 installed. Go into its settings and turn off "Fix Mixed Tabs"...
Tools -> Options -> Productivity Power Tools -> Turn Extensions On/Off
If you have the default VS settings, tabs in the editor are converted to spaces...
Difference between using Throwable and Exception in a try catch
...catching Throwable it includes things that subclass Error. You should generally not do that, except perhaps at the very highest "catch all" level of a thread where you want to log or otherwise handle absolutely everything that can go wrong. It would be more typical in a framework type application (f...
Create an instance of a class from a string
...of a class based on the fact I know the name of the class at runtime. Basically I would have the name of the class in a string.
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How to pull request a wiki page on GitHub?
...control, as for source code:
My proposed workflow is this:
Manually create a fork of the Taffy wiki on your Github account:
Create a new repository on your github account. Let's call it "Taffy-Wiki".
Clone the Taffy wiki repo to your local machine somewhere: git clone git@githu...
What's the “Content-Length” field in HTTP header?
... Combine this answer with the answer from Tom Cabanski and you have all the information you need. In case of text you can count the number of characters since ASCII is 8 bit.
– hcpl
Sep 24 '12 at 8:45
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Where can I download Spring Framework jars without using Maven?
...is maven repo where you could download from directly a zip file containing all the jars you need.
http://maven.springframework.org/release/org/springframework/spring/
http://repo.spring.io/release/org/springframework/spring/
Alternate solution: Maven
The solution I prefer is using Maven, it is eas...
Override and reset CSS style: auto or none don't work
I would like to override following CSS styling defined for all tables:
7 Answers
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Git commit with no commit message
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git generally requires a non-empty message because providing a meaningful commit message is part of good development practice and good repository stewardship. The first line of the commit message is used all over the place within git;...