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What is the difference between “AS” and “IS” in an Oracle stored procedure?

I see Oracle procedures sometimes written with "AS", and sometimes with "IS" keyword. 6 Answers ...
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What's the safest way to iterate through the keys of a Perl hash?

...ng each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way? ...
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

... The explanation comes from Agner Fog in Optimizing software in C++ and it reduces to how data is accessed and stored in the cache. For terms and detailed info, see the wiki entry on caching, I'm gonna narrow it down here. A cache is organized in sets and lines. At a time, only one set is u...
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How to access SOAP services from iPhone

I'm planning to develop an app for the iPhone and that app would have to access a couple of SOAP services. While doing some basic checking in the iPhone SDK I was not able to find any support for accessing SOAP services, a bit of Googling lead to the conclusion that there is no support for SOAP in t...
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In Rails, how do you render JSON using a view?

Suppose you're in your users controller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file. ...
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Which version of C# am I using

...I would be using python I would do something like python -V from the command line, or type: 16 Answers ...
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Is there a vim command to relocate a tab?

... 7.3 (2010 Aug 15, compiled Apr 2 2013 09:17:34) Included patches: 1-547 and +- not supported there, documentation said I should specify zero or positive value – Vladimir Sep 10 '13 at 13:41 ...
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Generic method multiple (OR) type constraint

...t types. That means you could just as well leave out the generic parameter and provide overloads. – Botz3000 May 31 '12 at 13:00 ...
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CSS performance relative to translateZ(0)

...n element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner: ...
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How to show particular image as thumbnail while implementing share on Facebook?

...the Facebook Lint page got the image into Facebook. Enter your URL here and FB will update the metadata from your page: https://developers.facebook.com/tools/debug (updated link) share | improve...