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Is PHP's count() function O(1) or O(n) for arrays?
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@Matt It's checking if hash structure is valid, as I can see. It's defined in zend_hash.c and it's O(1) also.
– Vladislav Rastrusny
Apr 29 '11 at 18:09
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Disabling contextual LOB creation as createClob() method threw error
... when Hibernate tries to retrieve some meta information from the database. If this annoys you, you can disable it:
hibernate.temp.use_jdbc_metadata_defaults false
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Difference between Lookup() and Dictionary(Of list())
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Two significant differences:
Lookup is immutable. Yay :) (At least, I believe the concrete Lookup class is immutable, and the ILookup interface doesn't provide any mutating members. There could be other mutable implementations, of ...
Why an abstract class implementing an interface can miss the declaration/implementation of one of th
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That's because if a class is abstract, then by definition you are required to create subclasses of it to instantiate. The subclasses will be required (by the compiler) to implement any interface methods that the abstract class left out.
F...
No @XmlRootElement generated by JAXB
...ires certain information in order to marshal/unmarshal a given object, specifically the XML element name and namespace. You can't just pass any old object to the Marshaller. @XmlRootElement provides this information.
The annotation is just a convenience, however - JAXB does not require it. The alte...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
...ormation can we retrieve from dumpsys shell command and how we can use it
If you run dumpsys you would see a ton of system information. But you can use only separate parts of this big dump.
to see all of the "subcommands" of dumpsys do:
dumpsys | grep "DUMP OF SERVICE"
Output:
DUMP OF SERVICE S...
Android - Launcher Icon Size
... that they can then scale the icon down to whatever size they need on the different positions of the app and website, without causing pixelation.
– edwoollard
Jan 11 '14 at 13:53
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Get Android API level of phone currently running my application [duplicate]
...s various pieces of information about the Android OS a system is running.
If you care about all versions possible (back to original Android version), as in minSdkVersion is set to anything less than 4, then you will have to use android.os.Build.VERSION.SDK, which is a String that can be converted t...
Cron jobs and random times, within given hours
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If I understand what you're looking for, you'll need to do something a bit messy, like having a cron job that runs a bash script that randomizes the run times... Something like this:
crontab:
0 9 * * * /path/to/bashscript
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Android layout replacing a view with another view on run time
...ossible to load either option1 or option2 in run time via Java into C? If so, what function do I have to use?
4 Answers...