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Can I have multiple Xcode versions installed?
...but it probably doesn't make a big difference. See http://developer.apple.com/documentation/Xcode/Conceptual/XcodeCoexistence/Contents/Resources/en.lproj/Details/Details.html this Apple Developer Connection page for lots of details. <- Page does not exist anymore!
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jQuery ajax error function
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Deprecation Notice: The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks are deprecated as of jQuery 1.8. To prepare
your code for their eventual removal, use jqXHR.done(), jqXHR.fail(),
and jqXHR.always() instead.
So, in case you are using jQuery 1.8 or above we will ne...
Check if a row exists, otherwise insert
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@GregoryABeamer - Simply sticking it in a BEGIN TRAN ... COMMIT under default isolation level won't resolve the issue. The OP specified that atomic and reliable were requirements. Your answer fails to address this in any shape or form.
– Martin Smith
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...re marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code.
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What scalability problems have you encountered using a NoSQL data store? [closed]
... on http://www.ubuntuusers.de/ (which is probably the biggest German Linux community website). The site is written in Python and we've added a WSGI middleware which was able to catch all exceptions and send them to another small MySQL powered website. This small website used a hash to determine diff...
How to delete a certain row from mysql table with same column values?
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Is there Unicode glyph Symbol to represent “Search” [closed]
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May I recommend "Telephone recorder" U+2315: ⌕? It is totally unrelated but resembles a magnifying glass somehow and seems to be included in standard fonts, where U+1F50D and U+1F50E don't.
– zopieux
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What does = +_ mean in JavaScript
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window.location.href and window.open () methods in JavaScript
...e:
window.location.href example:
window.location.href = 'http://www.google.com'; //Will take you to Google.
window.open() example:
window.open('http://www.google.com'); //This will open Google in a new window.
Additional Information:
window.open() can be passed additional parameters. See: window....
How to convert Linux cron jobs to “the Amazon way”?
...//zookeeper.apache.org/doc/r3.2.2/recipes.html
http://highscalability.com/blog/2010/3/22/7-secrets-to-successfully-scaling-with-scalr-on-amazon-by-se.html
Also I have seen reference to using memcached or a similar caching
mechanism as a way to create locks with a TTL. In this way you se...