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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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No REAL easy way to do this. Lots of ideas out there, though.
Best one I've found:
SELECT table_name, LEFT(column_names , LEN(column_names )-1) AS column_names
FROM information_schema.columns AS extern
CROSS APPLY
(
SELECT column_name + ','
FROM inform...
When to use LinkedList over ArrayList in Java?
...eeds to be moved (i.e. copied). On the other side, seeking in a LinkedList means following the links in O(n) (n/2 steps) for worst case, whereas in an ArrayList the desired position can be computed mathematically and accessed in O(1).
Another benefit of using a LinkedList arise when you add or remo...
Determine if Python is running inside virtualenv
... @verboze: as it is supposed to do, right? A deactivated virtualenv means the user script is not running on one.
– MestreLion
Nov 8 '19 at 21:12
1
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Parsing XML with namespace in Python via 'ElementTree'
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Prefixes are only looked up in the namespaces parameter you pass in. This means you can use any namespace prefix you like; the API splits off the owl: part, looks up the corresponding namespace URL in the namespaces dictionary, then changes the search to look for the XPath expression {http://www.w3...
Algorithm to generate a crossword
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@Kaffeine, yep I know what you mean - I had to throw out these options because even though they could create really good grids, it's too hard to check (read: I couldn't be bothered), and chances are it's just interference anyway.
– ni...
jQuery: how to get which button was clicked upon form submission?
...ttons in case the form submit is handled in an ajax way and you want to avoid getting previsouly clicked button again.
– Chandu
Apr 19 '11 at 19:45
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Kill a Process by Looking up the Port being used by it from a .BAT
...ms= " %%P IN ('netstat -a -n -o ^| findstr :8080') DO @ECHO TaskKill.exe /PID %%P
When you're confident in your batch file, remove @ECHO.
FOR /F "tokens=4 delims= " %%P IN ('netstat -a -n -o ^| findstr :8080') DO TaskKill.exe /PID %%P
Note that you might need to change this slightly for differe...
Calculating frames per second in a game
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@Petrucio: last_frame doesn't mean (or at least should not mean) the duration of the previous frame; it should mean the value of time that you calculated for the last frame. This way, all previous frames will be included, with the most recent frames weig...
Do I have to guard against SQL injection if I used a dropdown?
...ecause you've limited what options are available in your dropdown does not mean you've limited the data I can send your server.
If you tried to restrict this further using behaviour on your page, my options include disabling that behaviour, or just writing a custom HTTP request to your server which...
How do I use CREATE OR REPLACE?
Am I correct in understanding that CREATE OR REPLACE basically means "if the object exists, drop it, then create it either way?"
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