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How to use Oracle ORDER BY and ROWNUM correctly?
...g "take the first row and then order it by t_stamp desc". And that is not what you intend.
The subquery method is the proper method for doing this in Oracle.
If you want a version that works in both servers, you can use:
select ril.*
from (select ril.*, row_number() over (order by t_stamp desc) ...
Create new user in MySQL and give it full access to one database
...say dbTest , that I create with a command like create database dbTest; . What would be the MySQL commands to do that?
8 A...
Append text to input field
...could be edited, but in the end I thought it's best to make a new one. So what is new: * You can run the snipped. * The extension helps much on the way to write self-documentating code, while not distracting too much of the essence.
– Nadu
Aug 12 '16 at 15:2...
Break a previous commit into multiple commits
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If you want to split and reorder commits, what I like to do is split first and then reorder separately using another git rebase -i HEAD^3 command. This way if the split goes bad you don't have to undo quite as much work.
– David M. Lloyd
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How to add 10 days to current time in Rails
... -10.days.ago
[4] DateTime.now.days_ago(-10)
[5] Date.today + 10
So now, what is the difference between them if we care about the timezone:
[1, 4] With system timezone
[2, 3] With config timezone of your Rails app
[5] Date only no time included in result
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Imply bit with constant 1 or 0 in SQL Server
... Are there any performance-implications of using declared variables? What if you want to use this in a VIEW or single-statement table-valued UDF?
– Dai
Sep 3 at 2:17
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AsyncTaskLoader vs AsyncTask
...e v4 Compatibility Library it is possible to use AsyncTaskLoader . From what I understand, the AsyncTaskLoader can survive through config changes like screen flips.
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
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What if you need a variable available to all actions in the users controller, but not available in other controllers? Doesn't this method have some scoping issues?
– tybro0103
Mar 6 '12 ...
How do I create directory if it doesn't exist to create a file?
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Directory.CreateDirectory does exactly what you want: It creates the directory if it does not exist yet. There's no need to do an explicit check first.
– Paolo Moretti
Oct 8 '12 at 15:45
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Can I change the Android startActivity() transition animation?
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what is blabbla ??!!
– Ali Khaki
Oct 14 '18 at 17:25
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