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Insert, on duplicate update in PostgreSQL?

...it would be much slower, because each upsert would be its' own individual call into the database. – baash05 Mar 1 '12 at 0:27 ...
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Adding a parameter to the URL with JavaScript

In a web application that makes use of AJAX calls, I need to submit a request but add a parameter to the end of the URL, for example: ...
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How to optimize for-comprehensions and loops in Scala?

...s Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?" ...
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What is the most “pythonic” way to iterate over a list in chunks?

... Finally got a chance to play around with this in a python session. For those who are as confused as I was, this is feeding the same iterator to izip_longest multiple times, causing it to consume successive values of the same seq...
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remove None value from a list without removing the 0 value

... - it's just for scientific purposes) >>> from operator import is_not >>> from functools import partial >>> L = [0, 23, 234, 89, None, 0, 35, 9] >>> filter(partial(is_not, None), L) [0, 23, 234, 89, 0, 35, 9] ...
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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder

....v7.** { *; } -keep interface android.support.v7.** { *; } with this: # Allow obfuscation of android.support.v7.internal.view.menu.** # to avoid problem on Samsung 4.2.2 devices with appcompat v21 # see https://code.google.com/p/android/issues/detail?id=78377 -keep class !android.support.v7.inter...
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How to clear the cache in NetBeans

... me absolutely crazy, trying to track down bugs for hours that weren't actually there -- the class with the main method was not being found, and some custom exception classes were not being recognized as implementing Throwable... I just deleted the stupid cache, and now all of it works fine. ...
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Facebook Callback appends '#_=_' to Return URL

Facebook callback has started appending #_=_ hash underscore to the Return URL 23 Answers ...
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How can I use Spring Security without sessions?

...n block these assets on the first load because "the URL contained a potentially malicious String ';'". – workerjoe Mar 5 at 17:36 ...
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Fastest Way to Find Distance Between Two Lat/Long Points

I currently have just under a million locations in a mysql database all with longitude and latitude information. 15 Answers...