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Does Swift support reflection?

...confirmed the reflect() function exists to support the Playground. But you can still have some fun with it :) here i've hacked out a little model serializer using it. Paste it into the Playground and have fun: gist.github.com/mchambers/67640d9c3e2bcffbb1e2 – Marc Chambers ...
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How to check if command line tools is installed

...ith OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is installed and if yes t...
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Entity Framework 4 Single() vs First() vs FirstOrDefault()

...- when you want to get an item by primary key. This will return null if it can't find an item. It will look in the context before going to the database (as pointed out by Yaron in the comments) which can be an important efficiency factor if you need to get the same entity multiple times while the sa...
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Have nginx access_log and error_log log to STDOUT and STDERR of master process

...s nginx now supports error_log stderr; as mentioned in Anon's answer. You can send the logs to /dev/stdout. In nginx.conf: daemon off; error_log /dev/stdout info; http { access_log /dev/stdout; ... } edit: May need to run ln -sf /proc/self/fd /dev/ if using running certain docker containers...
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Remove grid, background color, and top and right borders from ggplot2

I would like to reproduce the plot immediately below by using ggplot2. I can come close, but cannot remove the top and right borders. Below I present several attempts using ggplot2, including several suggestions found on or via Stackoverflow. Unfortunately I have not been able to get those sugges...
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DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”

... Is it because some culture format issue? Yes. Your user must be in a culture where the time separator is a dot. Both ":" and "/" are interpreted in a culture-sensitive way in custom date and time formats. How can I make sure th...
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Can you write virtual functions / methods in Java?

..."virtual functions." Only methods marked with the keyword final, which cannot be overridden, along with private methods, which are not inherited, are non-virtual. share | improve this answe...
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How to get UTC time in Python?

...nothing does quite what I need. In JavaScript, I'm using the following to calculate UTC time since Jan 1st 1970: 6 Answers...
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How to Define Callbacks in Android?

...Google IO, there was a presentation about implementing restful client applications. Unfortunately, it was only a high level discussion with no source code of the implementation. ...
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Exclude folders from Eclipse search

...on't come up in search any more. In fact, Eclipse is so kind as to automatically update existing search results windows and remove all matches which are now filtered out. share | improve this answer...