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Numpy index slice without losing dimension information
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It's probably easiest to do x[None, 10, :] or equivalently (but more readable) x[np.newaxis, 10, :].
As far as why it's not the default, personally, I find that constantly having arrays with singleton dimensions gets annoying very quickly. I'd gue...
Mechanisms for tracking DB schema changes [closed]
...ging server, deploying tested code to a production server) but we're still doing database updates manually. I would like to find or create a solution that allows us to work efficiently across servers with different environments while continuing to use Subversion as a backend through which code and ...
Most efficient way to determine if a Lua table is empty (contains no entries)?
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Why do we gain speed by doing local next?
– Moberg
Oct 2 '16 at 20:22
2
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Best way to give a variable a default value (simulate Perl ||, ||= )
I love doing this sort of thing in Perl: $foo = $bar || $baz to assign $baz to $foo if $bar is empty or undefined. You also have $foo ||= $bletch which will only assign $bletch to $foo if $foo is not defined or empty.
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SQL Server - Create a copy of a database table and place it in the same database?
...ate copies of ABC with names ABC_1, ABC_2, ABC_3 in the same DB. How can I do that using either Management Studio (preferably) or SQL queries ?
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Why should you remove unnecessary C# using directives?
...t of extension methods shown)
What removing the unused namespaces won't do:
alter in any way the output of the compiler.
alter in any way the execution of the compiled program (faster loading, or better performance).
The resulting assembly is the same with or without unused using(s) removed....
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...on gets sent to your application.
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(someMethod:)
name:UIApplicationDidBecomeActiveNotification object:nil];
Don't forget to clean up after ...
Ruby on Rails: how to render a string as HTML?
...t;/b>"
<%= @str.html_safe %>
Using raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer what's going on. Details abou...
PHP function to get the subdomain of a URL
Is there a function in PHP to get the name of the subdomain?
28 Answers
28
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Akka or Reactor [closed]
...ell at this point because Reactor is still a sketch and I (Akka tech lead) do not have insight into where it will go. It will be interesting to see if Reactor becomes a competitor to Akka, we are looking forward to that.
As far as I can see, from your requirements list Reactor is missing resilience...