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Is there a way to access the “previous row” value in a SELECT statement?
... the previous value given the current one (EG, you want to order alphabetically) then I don't know of a way to do that in standard SQL, but most SQL implementations will have extensions to do it.
Here is a way for SQL server that works if you can order rows such that each one is distinct:
select...
Using TortoiseSVN via the command line
...ys has a GUI (Graphical User Interface) associated with it. But on the installer (of version 1.7 and later) you can select the "command line client tools" option so you can call svn commands (like svn commit and svn update) from the command line.
Here's a screenshot of the "command line client tool...
reducing number of plot ticks
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Alternatively, if you want to simply set the number of ticks while allowing matplotlib to position them (currently only with MaxNLocator), there is pyplot.locator_params,
pyplot.locator_params(nbins=4)
You can specify specific axis in this method as mentioned below, default is both:
# To...
Android dismiss keyboard
...ext box has the focus. Any solution to this?
– Ethan Allen
Jul 16 '12 at 4:00
79
For anyone else ...
How to switch activity without animation in Android?
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Thanks, this works just great especially for transparent/dialog themed activities excluded from recents with a different task affinity. Without this the animation kept showing creating very odd results for a dialog being opened!
– 3c71
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Calculating Pearson correlation and significance in Python
...trictly speaking, Pearson's correlation requires
that each dataset be normally distributed. Like other correlation
coefficients, this one varies between -1 and +1 with 0 implying no
correlation. Correlations of -1 or +1 imply an exact linear
relationship. Positive correlations imply that as x in...
How to call erase with a reverse iterator
...nd that diagram more confusing than helpful. Since rbegin, ri and rend are all actually pointing at the element to the right of what they are drawn to be pointing at. The diagram shows what element you would access if you * them, but we're talking about what element you'd be pointing at if you base ...
How to install CocoaPods?
...ase share with me. I read cocoa pods documents and many times tried to install but always failed because of the starting steps. I found one error whereby I can't install gems first. Can anyone give me the steps one by one? How to install or demo.
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Node / Express: EADDRINUSE, Address already in use - Kill server
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process.on('exit', ..) isn't called if the process crashes or is killed. It is only called when the event loop ends, and since server.close() sort of ends the event loop (it still has to wait for currently running stacks here and there) it makes no sense ...
using href links inside tag
...non graphical browser or screen reader or the page is accessed programmatically, or JavaScript is disabled) what then is the "meaning" or the "intent" of this <select> you have used for navigation? It is saying "please pick a page name" and not a lot else, certainly nothing about navigating. T...