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Can an interface extend multiple interfaces in Java?
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// methods
}
A single class can also implement multiple interfaces. What if two interfaces have a method defining the same name and signature?
There is a tricky point:
interface A {
void test();
}
interface B {
void test();
}
class C implements A, B {
@Override
public voi...
How to force use of overflow menu on devices with menu button
...esign neither supports a smooth transition to the actionbar nor does it do what it used to do before adding an actionbar (display all the menu choices). I suspect you are right and that there is no simple workaround.
– PaulP
Feb 24 '12 at 21:13
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Using Enum values as String literals
What is the best way to use the values stored in an Enum as String literals?
For example:
18 Answers
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Control the dashed border stroke length and distance between strokes
...the gaps are currently 5px wide. It is a .png with transparency.
This is what it looks like in photoshop when zoomed in:
This is what it looks like to scale:
Controlling gap and stroke length
To create wider / shorter gaps or strokes, widen / shorten the gaps or strokes in the image.
Here ...
Setup a Git server with msysgit on Windows [closed]
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For the record, from what I can tell, at point 5.5 in Tim's instructions, you need to insert the extra command BEFORE the #, not after (otherwise it remains commented out).
– Benjol
May 4 '10 at 12:21
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How to create a cron job using Bash automatically without the interactive editor?
...ument for creating cron jobs without using the editor (crontab -e). If so, What would be the code create a cronjob from a Bash script?
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Git: Recover deleted (remote) branch
... origin/new_pictures to see if your local copies are “up to date” with whatever you think should be there. If any new commits were pushed onto those branches (from some other repo) between the fetch and push that you showed, you may have “lost” those (but probably you could probably find the...
Mutex example / tutorial? [closed]
...t be accessing that mutex. Operations on it should be encapsulated so that whatever it is guarding are protected from such tomfoolery. If when you use the library's exposed API, the library is guaranteed to be thread-safe, then you are safe to include a distinctly different mutex to protect your own...
Keep only date part when using pandas.to_datetime
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Yes, that's what I meant.
– IanS
May 23 '17 at 8:54
Thi...
When to use MongoDB or other document oriented database systems? [closed]
...and access patterns, but it’s built for your typical CRUD stuff. Storing what is essentially a huge hash, and being able to select on any of those keys, is what most people use a relational database for. If your DB is 3NF and you don’t do any joins (you’re just selecting a bunch of tables and ...