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How to get package name from anywhere?
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An idea is to have a static variable in your main activity, instantiated to be the package name. Then just reference that variable.
You will have to initialize it in the main activity's onCreate() method:
Global to the class:
pub...
How to style a div to be a responsive square? [duplicate]
I want my div to adapt its height to always equal its width. The width is percental. When the parent's width decreases, the box should decrease by keeping its aspect ratio.
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How to print the contents of RDD?
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If you want to view the content of a RDD, one way is to use collect():
myRDD.collect().foreach(println)
That's not a good idea, though, when the RDD has billions of lines. Use take() to take just a few to print out:
myRDD.take(n).foreach(println)
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What do people think of the fossil DVCS? [closed]
fossil http://www.fossil-scm.org
I found this recently and have started using it for my home projects. I want to hear what other people think of this VCS.
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What is the difference between 'java', 'javaw', and 'javaws'?
What is the difference between java , javaw , and javaws ?
5 Answers
5
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How do I prevent an Android device from going to sleep programmatically?
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One option is to use a wake lock. Example from the docs:
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
wl.acquire();
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Circular (or cyclic) imports in Python
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There was a really good discussion on this over at comp.lang.python last year. It answers your question pretty thoroughly.
Imports are pretty straightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executa...
How to avoid overflow in expr. A * B - C * D
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This seems too trivial I guess.
But A*B is the one that could overflow.
You could do the following, without losing precision
A*B - C*D = A(D+E) - (A+F)D
= AD + AE - AD - DF
= AE - DF
^smaller ...
How to use a RELATIVE path with AuthUserFile in htaccess?
...ss that uses basic authentication. It seems the path to the .htpasswd file isn't relative to the htaccess file, but instead to the server config.
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Relational Database Design Patterns? [closed]
...n Fowler's Signature Series called Refactoring Databases. That provides a list of techniques for refactoring databases. I can't say I've heard a list of database patterns so much.
I would also highly recommend David C. Hay's Data Model Patterns and the follow up A Metadata Map which builds on the f...