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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
I would like to see the SQL statement that a given ActiveRecord Query will generate. I recognize I can get this information from the log after the query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
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Can I replace groups in Java regex?
...cond group instead of (.*). * is a greedy matcher, and will at first consume the last digit. The matcher will then have to backtrack when it realizes the final (\d) has nothing to match, before it can match to the final digit.
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Check if UIColor is dark or bright?
...ncluding the alpha. The docs don't specify what order they're in but I assume it would be red, green, blue, alpha. Also, from the docs, "the size of the array is one more than the number of components of the color space for the color." - it doesn't say why...
– Jasarien
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Getting reference to the top-most view/window in iOS application
I'm creating a reusable framework for displaying notifications in an iOS application. I'd like the notification views to be added over the top of everything else in the application, sort of like a UIAlertView. When I init the manager that listens for NSNotification events and adds views in response,...
How to write a test which expects an Error to be thrown in Jasmine?
I'm trying to write a test for the Jasmine Test Framework which expects an error. At the moment I'm using a Jasmine Node.js integration from GitHub .
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Seeing the console's output in Visual Studio 2010?
I am writing a simple C# program with some outputs ( Console.WriteLine("..."); ). The problem is, each time I run it, I cannot see the program's output in the output window.
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Finding a branch point with Git?
I have a repository with branches master and A and lots of merge activity between the two. How can I find the commit in my repository when branch A was created based on master?
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Same Navigation Drawer in different Activities
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If you want a navigation drawer, you should use fragments.
I followed this tutorial last week and it works great:
http://developer.android.com/training/implementing-navigation/nav-drawer.html
You can also download sample code from this tutorial, to see how you can do this.
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UIImage: Resize, then Crop
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I needed the same thing - in my case, to pick the dimension that fits once scaled, and then crop each end to fit the rest to the width. (I'm working in landscape, so might not have noticed any deficiencies in portrait mode.) Here's my code...
How to open emacs inside bash
...w this will open emacs inside the terminal disregarding the DISPLAY environment variable even if it is set.
The long form of this flag is emacs --no-window-system.
More information about emacs launch options can be found in the manual.
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