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How do I do top 1 in Oracle?
...yTbl where rownum = 1
You can also use analytic functions to order and take the top x:
select max(fname) over (rank() order by some_factor) from MyTbl
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Haskell: Lists, Arrays, Vectors, Sequences
I'm learning Haskell and read a couple of articles regarding performance differences of Haskell lists and (insert your language)'s arrays.
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How to decide when to use Node.js?
I am new to this kind of stuff, but lately I've been hearing a lot about how good Node.js is. Considering how much I love working with jQuery and JavaScript in general, I can't help but wonder how to decide when to use Node.js. The web application I have in mind is something like Bitly - takes s...
Binding IIS Express to an IP Address [duplicate]
Is it possible to use IIS Express to host pages on a network. Out of the box it can do localhost but I am trying to bind it to an IP address.
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Alternatives to gprof [closed]
...grind has an instruction-count profiler with a very nice visualizer called KCacheGrind. As Mike Dunlavey recommends, Valgrind counts the fraction of instructions for which a procedure is live on the stack, although I'm sorry to say it appears to become confused in the presence of mutual recursion. ...
How would you count occurrences of a string (actually a char) within a string?
...I wanted to count how many / s I could find in a string, and then it struck me, that there were several ways to do it, but couldn't decide on what the best (or easiest) was.
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How do I push a new local branch to a remote Git repository and track it too?
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In Git 1.7.0 and later, you can checkout a new branch:
git checkout -b <branch>
Edit files, add and commit. Then push with the -u (short for --set-upstream) option:
git push -u origin <branch>
Git will set up the tracking information during th...
Syntax highlighting/colorizing cat
... coloured in some way (with the same colour for the whole file), you can make use of terminal escape sequences to control the color.
Here's a sample script that will choose the colour based on the file type (you can use something like this instead of invoking cat directly):
#!/bin/bash
fileType="$...
Drop all tables whose names begin with a certain string
...le [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'prefix%'
OPEN cmds
WHILE 1 = 1
BEGIN
FETCH cmds INTO @cmd
IF @@fetch_status != 0 BREAK
EXEC(@cmd)
END
CLOSE cmds;
DEALLOCATE cmds
This is cleaner than using a two-step approach of generate script plus run. ...
Does a `+` in a URL scheme/host/path represent a space?
...Dec 19 '16 at 16:08
Andrew Tobilko
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answered Jun 17 '09 at 9:43
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