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Android Game Keeps Getting Hacked [closed]
...o we've been through this several times now, we release a game (for cheap) and someone hacks it and puts it up on a mirror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is ...
What is the difference between LL and LR parsing?
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At a high level, the difference between LL parsing and LR parsing is that LL parsers begin at the start symbol and try to apply productions to arrive at the target string, whereas LR parsers begin at the target string and try to arrive back at the start symbol.
An LL parse i...
MySQL: @variable vs. variable. What's the difference?
...are loosely typed variables that may be initialized somewhere in a session and keep their value until the session ends.
They are prepended with an @ sign, like this: @var
You can initialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stor...
How do I change Bootstrap 3 column order on mobile layout?
...a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this
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How do I verify/check/test/validate my SSH passphrase?
...ng selinux, you might also want to check the context of the home directory and .ssh files! I was lucky enough to be able to use this simple fix: # restorecon -R -v /home/user To check if this is the problem (though the preceding command shouldn't cause any issues), you can use $ ls -lZR <home_dir...
Adding a Method to an Existing Object Instance
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In Python, there is a difference between functions and bound methods.
>>> def foo():
... print "foo"
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>>> class A:
... def bar( self ):
... print "bar"
...
>>> a = A()
>>> foo
<function foo at 0x00A98D70>
>>&g...
Can I use view pager with views (not with fragments)
...tation is to just return the view as the key as well. FragmentPageAdapter handles all the key-to-view stuff for you and thus just asks you to create a fragment instead.
– themightyjon
Sep 7 '15 at 16:24
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How do I obtain a Query Execution Plan in SQL Server?
... Actual Execution Plan" menu item (found under the "Query" menu) is ticked and run your query as normal.
If you are trying to obtain the execution plan for statements in a stored procedure then you should execute the stored procedure, like so:
exec p_Example 42
When your query completes you sh...
Good examples of Not a Functor/Functor/Applicative/Monad?
...ariant functor out of it, but not a (covariant) functor. Try writing fmap and you'll fail. Note that the contravariant functor version is reversed:
fmap :: Functor f => (a -> b) -> f a -> f b
contramap :: Contravariant f => (a -> b) -> f b -> f a
A type constr...
How to use Elasticsearch with MongoDB?
I have gone through many blogs and sites about configuring Elasticsearch for MongoDB to index Collections in MongoDB but none of them were straightforward.
...