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How to copy files across computers using SSH and MAC OS X Terminal [closed]
...how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
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Should you ever use protected member variables?
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Can you comment on performance of protected variables vs a private variable with an get/set method?
– Jake
Jun 24 '10 at 13:56
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How do I trim whitespace?
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For whitespace on both sides use str.strip:
s = " \t a string example\t "
s = s.strip()
For whitespace on the right side use rstrip:
s = s.rstrip()
For whitespace on the left side lstrip:
s = s.lstrip()
As thedz points ou...
FileSystemWatcher vs polling to watch for file changes
I need to setup an application that watches for files being created in a directory, both locally or on a network drive.
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OAuth secrets in mobile apps
... want to delegate to. If you are doing this in a web app, you can simply store the secret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that matter)?
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What are the minimum margins most printers can handle?
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This is only a safe bet on inkjets made for photo printing. Laser printers usually have a much larger margin. However, the question states that they're producing graphics, so optimizing for inkjets might be OK.
– Kevin Vermeer
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What is the purpose of Looper and how to use it?
...r is a class which is used to execute the Messages(Runnables) in a queue. Normal threads have no such queue, e.g. simple thread does not have any queue. It executes once and after method execution finishes, the thread will not run another Message(Runnable).
Where we can use Looper class?
If someon...
What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
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ExecutorService, how to wait for all tasks to finish
What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
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How bad is shadowing names defined in outer scopes?
...bout all the warnings and hints it provides me to improve my code. Except for this one which I don't understand:
8 Answers
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