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Why can't decimal numbers be represented exactly in binary?
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
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PostgreSQL 9.0 or later:
Recent versions of Postgres (since late 2010) have the string_agg(expression, delimiter) function which will do exactly what the question asked for, even letting you specify the delimiter string:
SELECT company_id, string_agg(employee, ', ')
FROM mytable
GROUP BY ...
Server.UrlEncode vs. HttpUtility.UrlEncode
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answered Mar 2 '09 at 15:03
Mehrdad AfshariMehrdad Afshari
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How to find a min/max with Ruby
... so anything that includes Enumerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min,...
Why does Environment.Exit() not terminate the program any more?
...pdate delivered through Windows Update solved the problem. The noticeable 2 second delay before the crash is no longer present, strongly suggesting that the IsWindow() deadlock got solved. And the program shuts down cleanly and reliably. The update installed patches for Windows Defender, wdboot.s...
Access parent URL from iframe
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21
You're correct. Subdomains are still considered separate domains when using iframes. It's possi...
onCreateOptionsMenu inside Fragments
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edited Jun 29 '15 at 21:17
Michael
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How to send email to multiple recipients using python smtplib?
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320
This really works, I spent a lot of time trying multiple variants.
import smtplib
from email.m...
Number of days between two NSDates [duplicate]
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edited Nov 18 '15 at 16:25
Sam
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answered Jan 19 ...
Measuring text width to be drawn on Canvas ( Android )
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227
Have you looked at android.graphics.Paint.measureText(String txt)?
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