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How does the HyperLogLog algorithm work?
...dom integers, see an integer which binary representation starts with some known prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts...
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
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I now asked for an example to Jose's answer, have to admit I don't understand entirely.
– Matsemann
Mar 12 '13 at 19:51
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When to use a Content Provider
... with other apps.
So even if you don't need any of these functionalities now, you might need them in future and its good to go the extra mile and implement them right now.
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Callback to a Fragment from a DialogFragment
...od like callBackMethod(Object data). Which you would calling to pass data.
Now you can implement DialogFragmentCallbackInterface interface in your fragment like MyFragment implements DialogFragmentCallbackInterface
At time of DialogFragment creation set your invoking fragment MyFragment as target f...
Map a network drive to be used by a service
...ernalsSuite and execute the following command
psexec -i -s cmd.exe
you are now inside of a prompt that is nt authority\system and you can prove this by typing whoami. The -i is needed because drive mappings need to interact with the user
Step Three:
Create the persistent mapped drive as the SYSTEM ...
How to implement a Map with multiple keys? [duplicate]
...https://commons.apache.org/proper/commons-collections/apidocs/
Looks like now the commons-collections is typed.
A typed version can be found at:
https://github.com/megamattron/collections-generic
This will exactly support your use case:
MultiKeyMap<k1,k2,...,kn,v> multiMap = ??
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What is the `sensor` parameter for in the Google Places API?
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Edit: The sensor parameter is no longer required, and will now be ignored if it's used.
The parameter doesn't impact the results. It's a parameter that Google is required to collect for Google's data providers who charge differently based on whether the request uses a sensor or not....
Hiding the scroll bar on an HTML page
...uto, but I'm not a fan of abusing width for visibility tweaks.
Firefox 64 now supports the experimental scrollbar-width property by default (63 requires a configuration flag to be set). To hide the scrollbar in Firefox 64:
#element {
scrollbar-width: none;
}
To see if your current browser su...
Switch on Enum in Java [duplicate]
...{
doSomeStuff();
e.method(); // here is where the switch would be, now it's one line of code!
doSomeOtherStuff();
}
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What is the most frequent concurrency issue you've encountered in Java? [closed]
...actice as the reader thread will eventually see the change - but we don't know how soon he saw it.
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