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How to return multiple values? [duplicate]
Is it possible to return two or more values from a method to main in Java? If so, how it is possible and if not how can we do?
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Why does this method print 4?
... get into main, the space left over is X-M. Each recursive call takes up R more memory. So for 1 recursive call (1 more than original), the memory use is M + R. Suppose that StackOverflowError is thrown after C successful recursive calls, that is, M + C * R <= X and M + C * (R + 1) > X. At the...
java.net.SocketException: Connection reset
...cation software to do this, but it is not unknown for commercial software.
More commonly, it is caused by writing to a connection that the other end has already closed normally. In other words an application protocol error.
It can also be caused by closing a socket when there is unread data in the s...
How to send an email with Python?
...t if you follow this approach, the "simple" task is indeed simple, and the more complex tasks (like attaching binary objects or sending plain/HTML multipart messages) are accomplished very rapidly.
# Import smtplib for the actual sending function
import smtplib
# Import the email modules we'll nee...
How is Racket different from Scheme?
... [ ... ] as equivalent, R5RS does not, but R6RS does.
There are probably more, but on most other parts racket is a superset of Scheme.
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Get final URL after curl is redirected
...ething like
curl -Ls -o /dev/null -w %{url_effective} http://google.com
More info
-L Follow redirects
-s Silent mode. Don't output anything
-o FILE Write output to <file> instead of stdout
-w FORMAT What to output after completion
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You might want to add -I (that...
Does use of final keyword in Java improve the performance?
...for inheritance or prohibit it" rule of thumb, I should probably use final more often for classes...
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How do I represent a time only value in .NET?
...nk why that might be. I reckon it's a good thing for people to think a bit more deeply about dates/times than they currently do :)
– Jon Skeet
Jan 10 '10 at 15:06
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How to avoid Dependency Injection constructor madness?
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You are right that if you use the container as a Service Locator, it's more or less a glorified static factory. For lots of reasons I consider this an anti-pattern.
One of the wonderful benefits of Constructor Injection is that it makes violations of the Single Responsibility Principle glaringl...
How can I tell if a library was compiled with -g?
...mat elf64-x86-64
If there are debugging symbols, the output will be much more verbose.
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