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How to get nice formatting in the Rails console
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In older Ruby versions, ie. <= 1.9, Syck is still provided, however it
was completely removed with the release of Ruby 2.0.0.
For rails 4/ruby 2 you could use just
puts object.to_yaml
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How do I get the object if it exists, or None if it does not exist?
When I ask the model manager to get an object, it raises DoesNotExist when there is no matching object.
18 Answers
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getting type T from IEnumerable
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IEnumerable<string> strings = new List<string>();
Console.WriteLine(strings.GetType().GetGenericArguments()[0]);
prints System.String.
See MSDN for Type.GetGenericArguments.
Edit: I believe this will address the concerns in the comments:
// returns an enumeration of T where o : I...
How to install a plugin in Jenkins manually
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Yes, you can. Download the plugin (*.hpi file) and put it in the following directory:
<jenkinsHome>/plugins/
Afterwards you will need to restart Jenkins.
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Eclipse: How do i refresh an entire workspace? F5 doesn't do it
I have a workspace with a bunch of java projects. If I go to File->Refresh , it doesn't really refresh anything (perhaps the currently selected project). How do I get eclipse to refresh all of the projects?
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“Unable to find remote helper for 'https'” during git clone
I am unable to clone HTTPS repositories. I can clone SSH repos fine, but not HTTPS repos. I cannot test the GIT protocol since I am behind a corporate firewall.
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How do I properly escape quotes inside HTML attributes?
...gt;Test</option>
</select>
Alternatively, you can delimit the attribute value with single quotes:
<option value='"asd'>test</option>
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Automatically start a Windows Service on install
...ave to manually open the services and click start. Is there a way to start it either via the command line, or through the code of the Service?
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Change font color for comments in vim
...fault font color for comments which is dark blue to slightly yellow color. It is difficult to read on the black background.
Could you advise me how to change only this one color? I'm satisfied with the other colors.
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Is there any way to git checkout previous branch?
I sort of want the equivalent of cd - for git. If I am in branch master and I checkout foo , I would love to be able to type something like git checkout - to go back to master , and be able to type it again to return to foo .
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