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Is it safe to use -1 to set all bits to true?
... the data type you use (unsigned and no larger) twice, which could lead to errors. The error is most likely to show up if the assignment and initial variable declaration are farther apart, though.
– David Stone
Dec 13 '12 at 1:26
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How do you crash a JVM?
...d)
– instantsetsuna
Aug 18 '10 at 5:05
4
Don't know when it was fixed, but just tested in 1.7.0_0...
Postgres unique constraint vs index
... master values (0, 0);
INSERT 0 1
test=# insert into master values (0, 1);
ERROR: duplicate key value violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: duplicate key value violates unique constraint "master_uniq...
How do I install imagemagick with homebrew?
I'm trying to install Imagemagick on OSX Lion but something is not working as expected.
5 Answers
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Writing outputs to log file and console
... running the user script like log file name and path, redirect outputs and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the executed script using the following code:
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Capistrano error tar: This does not look like a tar archive
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Whenever I have hit this error it was because the branch specified in my deploy/environment.rb file wasn't checked into git. Do an add / commit / git push origin branch_name and that will likely make things work.
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Is it possible to have multiple styles inside a TextView?
Is it possible to set multiple styles for different pieces of text inside a TextView?
18 Answers
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How to redirect the output of the time command to a file in Linux?
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If you care about the command's error output you can separate them like this while still using the built-in time command.
{ time your_command 2> command.err ; } 2> time.log
or
{ time your_command 2>1 ; } 2> time.log
As you see the command'...
Can you attach Amazon EBS to multiple instances?
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edited Apr 12 '13 at 20:05
Andrew Barber
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a...
Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
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