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Uninstall old versions of Ruby gems
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Steven Penny
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answered May 5 '11 at 18:33
Dylan MarkowDyl...
Packing NuGet projects compiled in release mode?
Is there some way to make a NuGet package using code compiled in release mode? Or is there some reason I should only publish (make available locally, in this case) packages compiled in debug mode?
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jquery live hover
... delete button only for table rows we are hovering with our mouse. This works but not for rows that have been added with js/ajax on the fly...
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How to keep the console window open in Visual C++?
I'm starting out in Visual C++ and I'd like to know how to keep the console window.
22 Answers
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SQL standard to escape column names?
Is there a SQL standard to escape a column name? If not what works for MySQL and SQLite? does it also work for SQL Server?
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Ruby on Rails: Where to define global constants?
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If your model is really "responsible" for the constants you should stick them there. You can create class methods to access them without creating a new object instance:
class Card < ActiveRecord::Base
def self.colours
['white', 'blue']
end
end
# accessible like this
Card.colours
A...
Android Get Current timestamp?
I want to get the current timestamp like that : 1320917972
12 Answers
12
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Is there an opposite of include? for Ruby Arrays?
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Minor remark: AS adds it to Enumerable so you can use it with all classes which include Enumerable. Even with Hash. :)
– user2422869
Aug 5 '15 at 5:04
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Changing the selected option of an HTML Select element
...ct> with three <option> elements. I want to use jQuery to check each option's value against a Javascript var . If one matches, I want to set the selected attribute of that option. How would I do that?
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Why doesn't margin:auto center an image?
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Because your image is an inline-block element. You could change it to a block-level element like this:
<img src="queuedError.jpg" style="margin:auto; width:200px;display:block" />
and it will be centered.
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