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Cannot create an array of LinkedLists in Java…?
...e the row map type a TreeMap, and same for traversing the columns in index order, but if you don't need those cases, HashMap is quicker than TreeMap. Helper methods to get and set an arbitrary cell, handling unset null values, would be useful, of course.
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Most efficient way to reverse a numpy array
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In order to have it working with negative numbers and a long list you can do the following:
b = numpy.flipud(numpy.array(a.split(),float))
Where flipud is for 1d arra
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What's Up with Logging in Java? [closed]
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In chronological order of api apperance (as far as I know):
Log4j because most everybody uses it (in my experience)
Commons Logging because open source projects use it (so they can integrate with whatever logging framework is used in the in...
How do I create/edit a Manifest file?
...default manifest in your project Properties) -> then Click
it again in order to uncheck that Checkbox -> open your app.maifest and edit
it as you wish.
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Best GWT widget library? [closed]
...heir support are poor at best.
How to look for widgets should follow this order:
First check GWT Incubator to see if
there's what I'm looking for.
http://code.google.com/p/google-web-toolkit-incubator/
Then, if you are looking for
something "cooler" check GWT Mosaic
http://code.google.com/p/gwt-m...
Should I always return IEnumerable instead of IList?
...is that it allows you to work with the broadest range of input possible in order to get as much reuse out of a component as possible. On the other hand, since you already know exactly what kind of object you have handy, there's not much point in masking it.
– Mel
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Passing variables in remote ssh command
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Escape the variable in order to access variables outside of the ssh session:
ssh pvt@192.168.1.133 "~/tools/myScript.pl \$BUILD_NUMBER"
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Why can't I use an alias in a DELETE statement?
...ble to other tables/views to get a reduced set of rows. E.g. delete o from Order as o inner join Customer as c on c.CustomerID = o.CustomerID where c.ArchiveOrders = 1
– Andrew Jens
Aug 31 '17 at 2:03
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PowerShell says “execution of scripts is disabled on this system.”
...xecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
Note: In order to change the Execution policy, you must be running PowerShell As Adminstrator.
If you are in regular mode and try to change the execution policy, you'll get the following error:
Access to the registry key 'HKEY_LOC...
Difference between validate(), revalidate() and invalidate() in Swing GUI
... manager used by it), changes. Which pushes it to the invalid state. So in order to validate this change, you have to explicitly call revalidate().
invalidate() : This is something I have never used, so there might not be much info I can provide about it. But it seems like the scenarios presented a...