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How do you get the magnitude of a vector in Numpy?
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Also, for matrices comprised of vectors, np.linalg.norm now has a new axis argument, discussed here: stackoverflow.com/a/19794741/1959808
– Ioannis Filippidis
Nov 18 '13 at 9:12
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Unable to execute dex: method ID not in [0, 0xffff]: 65536
...nt library for GCM, because I am using only gcm service from play service, now it fixed my problem with this. Thanks! to save my time.
– Ankit
Aug 25 '16 at 10:51
add a commen...
Best way to reverse a string
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@dok1 - don't mention it :) @sambo99 - now I'm intrigued, will have to whip out a code profiler tomorrow and have a look!
– Greg Beech
Oct 23 '08 at 0:50
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How to override Backbone.sync?
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I know this answer is a bit too late, and the answer from @Raynos is great, but I did it a bit differently, and maybe it would be useful for you or for any other person trying to use an API with Backbone.
Instead of overriding ...
Using Rails serialize to save hash to database
...PDATED:
Exact implementation will depend on your database, but PostgreSQL now has json and jsonb columns which can natively store your hash/object data and allow you to query against the JSON with ActiveRecord!
change your migration and you're done.
class Migration0001
def change
add_column...
Looking to understand the iOS UIViewController lifecycle
...view was dismissed, covered or otherwise hidden.
Default does nothing
Now as per Apple when you are implementing this methods you should remember to call super implementation of that specific method.
If you subclass UIViewController, you must call the super implementation of this method, ev...
Symfony 2 EntityManager injection in service
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Update to my own solution. The proper way now should be to use Entities and Repositories. Entity Manager is already naturally injected into a repository. You can see an example here: youtu.be/AHVtOJDTx0M
– Robert Saylor
Oct 1 '1...
Length of string in bash
...}
LANG=$oLang LC_ALL=$oLcAll
return $(( bytlen - ${#1} ))
}
Then now:
for string in Généralités Language Théorème Février "Left: ←" "Yin Yang ☯";do
strU8DiffLen "$string"
printf " - %-$((14+$?))s is %2d chars length, but uses %2d bytes\n" \
"'$string'" ${#string...
Method chaining - why is it a good practice, or not?
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I know what you mean, Vilx. But yet when I read list.add(someItem), I read that as "this code is adding someItem to the list object". so when I read PizzaBuilder.AddSauce(), I read this naturally as "this code is adding sauce to...
How do I get the entity that represents the current user in Symfony2?
I am using the Symfony security setup. Everything works fine, but I don't know how to do one important thing:
6 Answers
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