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Index on multiple columns in Ruby on Rails
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When editing Microsoft Office VBA, how can I disable the popup “Compile error” messages?
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PendingIntent does not send Intent extras
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What is the difference between join and merge in Pandas?
...1.join(df2) instead.
Some notes on these issues from the documentation at http://pandas.pydata.org/pandas-docs/stable/merging.html#database-style-dataframe-joining-merging:
merge is a function in the pandas namespace, and it is also
available as a DataFrame instance method, with the calling D...
Is there a “do … while” loop in Ruby?
... Courtesy of the Wayback Machine: web.archive.org/web/20080206125158/http://archive.jvoorhis.com/…
– bta
Jul 22 '10 at 15:32
56
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How do I use raw_input in Python 3
...enter. (If you get an error that "python" is not a recognized command, see http://showmedo.com/videotutorials/video?name=960000&fromSeriesID=96 ) When your program finishes running, whether it completes successfully or not, the window will remain open and the command-prompt will appear again for...
MySQL join with where clause
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Why are two different concepts both called “heap”?
...hm of finding available memory allocation. The following is excerpted from http://www.cprogramming.com/tutorial/virtual_memory_and_heaps.html.
When new is invoked, it starts looking for a free memory block that fits the size for your request. Supposing that such a block of memory is found, it is...
PostgreSQL function for last inserted ID
... column name of course.
This will be for the current session / connection
http://www.postgresql.org/docs/8.3/static/functions-sequence.html
looping through an NSMutableDictionary
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