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How do I get a list of column names from a psycopg2 cursor?
...tly from the selected column names, and recall seeing that python's psycopg2 module supports this feature.
10 Answers
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How to read XML using XPath in Java
...()
This will get you the second:
/howto/topic[@name='PowerBuilder']/url[2]/text()
You get that with this code:
expr.evaluate(doc, XPathConstants.STRING);
If you don't know how many URLs are in a given node, then you should rather do something like this:
XPathExpression expr = xpath.compile(...
Get first key in a (possibly) associative array?
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21 Answers
21
Active
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Git: Correct way to change Active Branch in a bare repository?
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282
If you have access to the remote bare repo, this article suggests:
git symbolic-ref HEAD refs...
Running a Python script from PHP
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162
Tested on Ubuntu Server 10.04. I hope it helps you also on Arch Linux.
In PHP use shell_exec fu...
Rounding DateTime objects
...icks );
Round (up on midpoint)
long ticks = (date.Ticks + (span.Ticks / 2) + 1)/ span.Ticks;
return new DateTime( ticks * span.Ticks );
Ceiling
long ticks = (date.Ticks + span.Ticks - 1)/ span.Ticks;
return new DateTime( ticks * span.Ticks );
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Is there any way to hide “-” (Delete) button while editing UITableView
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260
Here is my complete solution, without indentation (0left align) of the cell!
- (BOOL)tableVie...
How to compile without warnings being treated as errors?
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answered Jul 19 '12 at 12:52
Daniel FischerDaniel Fischer
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Postgres and Indexes on Foreign Keys and Primary Keys
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420
PostgreSQL automatically creates indexes on primary keys and unique constraints, but not on the...