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How can I select rows with most recent timestamp for each key value?
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There is one common answer I haven't see here yet, which is the Window Function. It is an alternative to the correlated sub-query, if your DB supports it.
SELECT sensorID,timestamp,sensorField1,sensorField2
FROM (
SELECT sensorID,timestamp,sensorField1,sensorField2
, ROW_NU...
What does Maven do, in theory and in practice? When is it worth to use it? [closed]
...one computer but not on another one (this is a known issue, we have VMs of Windows 98 machines since we couldn't get some of our Delphi applications compiling anywhere else). Because of this, it is also the best way to work on a project between people who use different IDEs since IDE-generated Ant s...
What's a quick way to comment/uncomment lines in Vim?
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By default it's CTRL+V. The windows version of gvim uses Ctrl+Q because Ctrl+V is already used for paste.
– R. Martinho Fernandes
Nov 4 '09 at 21:40
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How do I create a custom Error in JavaScript?
...NotImplementedError
ex1.message = NotImplementedError message
Error
at window.onload (http://fiddle.jshell.net/MwMEJ/show/:29:34)
ex1 instanceof NotImplementedError2 = true
ex1 instanceof Error = true
ex1.name = Error
ex1.message = NotImplementedError2 message
This confirmes the "problem" I ra...
What is the perfect counterpart in Python for “while not EOF”
...FError: EOF when reading a line
Or press Ctrl-Z at a raw_input() prompt (Windows, Ctrl-Z Linux)
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Usage of sys.stdout.flush() method
... @Ciastopiekarz What can we do to have the buffer flushed on windows?
– helplessKirk
Nov 10 '15 at 16:41
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What is the difference between varchar and nvarchar?
...roundabout game. I'm definitely concerned with how much space I'm using on Windows Azure CCP. That said I would "never" use varchar over nvarchar. Ooo did I just contradict myself?
– rism
Jun 8 '14 at 3:43
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Real-world applications of zygohistomorphic prepromorphisms
... maximum segment sums). Zygomorphisms are seemingly a good fit for sliding window problems once you are accustomed to them.
http://www.iis.sinica.edu.tw/~scm/2010/functional-pearl-maximally-dense-segments/
I'd nominate the authors for extra credit as they've avoided the use of the fixed-point Mu f...
How/When does Execute Shell mark a build as failure in Jenkins?
...t in "Execute Shell" block it fixed my issue as otherwise it was executing windows git provided version of bash shell that was giving an error.
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Unable to export Apple production push SSL certificate in .p12 format
...ur keychain (double click the cert file or drag and drop into the keychain window.
Then select "Certificates" from the left panel. Right click the cert you want to export and the p12 option will be there.
Note: it won't be there unless you generated the cert from your machine
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