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Difference between attr_accessor and attr_accessible

...d that makes a getter and a setter. attr_accessible is a Rails method that allows you to pass in values to a mass assignment: new(attrs) or update_attributes(attrs). Here's a mass assignment: Order.new({ :type => 'Corn', :quantity => 6 }) You can imagine that the order might also have a d...
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iOS Remote Debugging

... Yep, I'm already using this one. Finally! It sucks that the windows version of Safari does not have it though. – Hyangelo Sep 26 '12 at 18:05 ...
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Python: split a list based on a condition?

What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of: ...
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Iterate over object keys in node.js

Since Javascript 1.7 there is an Iterator object, which allows this: 5 Answers 5 ...
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How can I ssh directly to a particular directory?

...right on the directory_wanted. Explanation -t Force pseudo-terminal allocation. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g. when implementing menu services. Multiple -t options force tty allocation, even if ssh has no l...
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Does PHP have threading?

I found this PECL package called threads , but there is not a release yet. And nothing is coming up on the PHP website. 13...
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How to prevent buttons from submitting forms

...just plain idiotic, and a huge mistake in the spec. I use buttons in forms all the time, and even if it were an edge case (which it isn't), it'd still make sense to have the default type be submit. – dudewad Oct 27 '15 at 22:54 ...
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Convert datetime to Unix timestamp and convert it back in python

...m UTC. If you have, or can upgrade to, Python 3.3 or later, you can avoid all of these problems by just using the timestamp method instead of trying to figure out how to do it yourself. And even if you don't, you may want to consider borrowing its source code. (And if you can wait for Python 3.4, ...
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Fastest way to replace NAs in a large data.table

....805 12.301 134.985 system.time(a_andrie = f_andrie(dt1)) Error: cannot allocate vector of size 305.2 Mb Timing stopped at: 14.541 7.764 68.285 system.time(f_dowle(dt1)) user system elapsed 7.452 4.144 19.590 # EDIT has faster than this identical(a_gdata, dt1) [1] TRUE Note th...
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Accessing Session Using ASP.NET Web API

...ed bonus that we can fetch the base URL in javascript for making the AJAX calls: _Layout.cshtml <body> @RenderBody() <script type="text/javascript"> var apiBaseUrl = '@Url.Content(ProjectNameSpace.WebApiConfig.UrlPrefixRelative)'; </script> @RenderSectio...