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Grouped LIMIT in PostgreSQL: show the first N rows for each group?

... edited Aug 11 '16 at 9:08 ngspkinga 42155 silver badges1616 bronze badges answered May 19 '11 at 19:55 DaveDa...
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CodeIgniter activerecord, retrieve last insert id?

Are there any options to get the last insert id of a new record in CodeIgniter? 11 Answers ...
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python pandas dataframe to dictionary

I've a two columns dataframe, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance. ...
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How to use ScrollView in Android?

I have an XML layout file, but the text is more than fits into the screen size. What do I need to do in order to make a ScrollView ? ...
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Get object by id()? [duplicate]

Let's say I have an id of a Python object, which I retrieved by doing id(thing) . How do I find thing again by the id number I was given? ...
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Set selected index of an Android RadioGroup

Is there a way to set the selected index of a RadioGroup in android, other than looping through the child radiobuttons and selecting checking the radio button at the selected index? ...
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How to get unique device hardware id in Android? [duplicate]

How to get the unique device ID in Android which cannot be changed when performing a phone reset or OS update? 3 Answers ...
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JavaScript loop through json array?

I am trying to loop through the following json array: 11 Answers 11 ...
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mongodb/mongoose findMany - find all documents with IDs listed in array

I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ? 5 Answers ...
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Optimal way to concatenate/aggregate strings

I'm finding a way to aggregate strings from different rows into a single row. I'm looking to do this in many different places, so having a function to facilitate this would be nice. I've tried solutions using COALESCE and FOR XML , but they just don't cut it for me. ...