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How many Activities vs Fragments?
...of search results. (MySearchResults.class).
Have a read here for more:
http://android-developers.blogspot.com/2011/09/preparing-for-handsets.html
It might be a little more up-front work, because each fragment must work well across separate activities, but it usually pays off. It means that y...
What's the difference between passing by reference vs. passing by value?
...pt_primitive(value); // :2
assert value == 0;
}
}
Wikipedia
http://en.wikipedia.org/wiki/Pass_by_reference#Call_by_value
http://en.wikipedia.org/wiki/Pass_by_reference#Call_by_reference
This guy pretty much nails it:
http://javadude.com/articles/passbyvalue.htm
...
Correct file permissions for WordPress [closed]
...elow. See also codex.wordpress.org/Changing_File_Permissions, Apache's doc httpd.apache.org/docs/2.2/misc/security_tips.html, and pretty much any google search on the topic. But in the general case, when in doubt, give no write access (and certainly no ownership) and loosen on a case-by-case basis, ...
How do I use $scope.$watch and $scope.$apply in AngularJS?
... that has AngularJS two-way databinding enabled (i.e., uses ng-model), an $http callback fires, etc. – $apply has already been called, so we're inside the "AngularJS" rectangle in the figure above. All watchExpressions will be evaluated (possibly more than once – until no further changes are det...
How to generate keyboard events in Python?
...s import CFRelease
from Quartz.CoreGraphics import kCGHIDEventTap
# From http://stackoverflow.com/questions/281133/controlling-the-mouse-from-python-in-os-x
# and from https://developer.apple.com/library/mac/documentation/Carbon/Reference/QuartzEventServicesRef/index.html#//apple_ref/c/func/CGEven...
What is a callback function?
...ely separate machine, and you are calling it using a network protocol like HTTP. You could expose your callback as an HTTP-callable function, and pass its URL.
You get the idea.
The recent rise of callbacks
In this web era we have entered, the services we invoke are often over the network. We of...
How to show all privileges from a user in oracle?
...
Another useful resource:
http://psoug.org/reference/roles.html
DBA_SYS_PRIVS
DBA_TAB_PRIVS
DBA_ROLE_PRIVS
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Does setting Java objects to null do anything anymore?
... ones). With big state objects and hundreds of worker threads (think: big http server), this can be massive amounts of memory held and copied around yet will never be used again.
– Brian White
Mar 27 '15 at 18:10
...
Add Keypair to existing EC2 instance
...ces. These steps were originally posted by Utkarsh Sengar (aka. @zengr) at http://utkarshsengar.com/2011/01/manage-multiple-accounts-on-1-amazon-ec2-instance/. I've made only a few small changes.
Step 1: login by default “ubuntu” user:
$ ssh -i my_orig_key.pem ubuntu@111.111.11.111
Step 2: ...
Android: Difference between Parcelable and Serializable?
...'com.squareup.retrofit2:retrofit:2.5.0'
implementation 'com.squareup.okhttp3:okhttp:3.12.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}
Se...