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Diff output from two programs without temporary files
...e name. Bash pipes the program's output to a pipe and passes a file name like /dev/fd/63 to the outer command.
diff <(./a) <(./b)
Similarly you can use >(command) if you want to pipe something into a command.
This is called "Process Substitution" in Bash's man page.
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Eclipse: Set maximum line length for auto formatting?
I am working with Java. If I hit Ctrl + Shift + F in Eclipse Helios, it will auto format my code. At a certain point, it wraps lines. I would like to increase the maximum line length. How can I do this?
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Does a method's signature in Java include its return type?
...aram) {}
public char myMethod(int param) {}
}
No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line:
public char myMethod(int param) {}
will give you can error: method is already defined in class, which further confirms the abov...
What is the point of the diamond operator () in Java 7?
The diamond operator in java 7 allows code like the following:
7 Answers
7
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Get characters after last / in url
I want to get the characters after the last / in an url like http://www.vimeo.com/1234567
8 Answers
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The command rbenv install is missing
...s available in the Ports Collection, it can be install both as a binary package or build from the port:
# Using pkgng rbenv will be installed
pkg install ruby-build
# Building ruby-build form Ports will install rbenv only if the RBENV option is set
cd /usr/ports/devel/ruby-build
make install
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ggplot with 2 y axes on each side and different scales
...o y scales. Giving them the "flawed" speech is often pointless. But I do like the ggplot2 insistence on doing things the right way. I am sure that ggplot is in fact educating the average user about proper visualization techniques.
Maybe you can use faceting and scale free to compare the two data se...
_=> what does this underscore mean in Lambda expressions?
What does an lambda expression like _=> expr mean?
5 Answers
5
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Make Bootstrap Popover Appear/Disappear on Hover instead of Click
...lding a website with Bootstrap's Popover and I can't figure out how to make the popover appear on hover instead of click.
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Restore file from old commit in git
I have an old commit that I did a few weeks ago. I want to restore only a single file from that commit. What do I do?
4 Ans...