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Finding all cycles in a directed graph
...onald B. Johnson and the paper can be found in the following link:
http://www.cs.tufts.edu/comp/150GA/homeworks/hw1/Johnson%2075.PDF
A java implementation can be found in:
http://normalisiert.de/code/java/elementaryCycles.zip
A Mathematica demonstration of Johnson's algorithm can be found here, ...
Read stream twice
...read image, then use :
BufferedImage image = ImageIO.read(new URL("http://www.example.com/images/toto.jpg"));
Using ImageIO#read(java.net.URL) also allows you to use cache.
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How to document Ruby code?
...that YARD is still not included in Ruby. (By the way YARD homepage accepts HTTPS.)
– Franklin Yu
Oct 25 '17 at 15:30
...
Interfaces with static fields in java for sharing 'constants'
...ription of how traits in Scala compare with interfaces in Java, see http://www.codecommit.com/blog/scala/scala-for-java-refugees-part-5. In the context of teaching OO design, simplistic rules like asserting that interfaces should never include static fields are silly. Many traits naturally include...
What are the most-used vim commands/keypresses?
...
http://www.viemu.com/a_vi_vim_graphical_cheat_sheet_tutorial.html
This is the greatest thing ever for learning VIM.
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How do I make an HTML button not reload the page
...ult();
alert('page did not reload');
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<form id='submit-form'>
<button type='submit'>submit</button>
</form>
...
What is the difference between PS1 and PROMPT_COMMAND
...
From the GNU Bash doc page: http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this b...
How to convert java.util.Date to java.sql.Date?
....println("sqlDate:" + sqlDate);
}
}
explains it. The link is http://www.java2s.com/Tutorial/Java/0040__Data-Type/ConvertfromajavautilDateObjecttoajavasqlDateObject.htm
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How to get list of all installed packages along with version in composer?
...omposer show -i -t
-i short for --installed.
-t short for --tree.
ref: https://getcomposer.org/doc/03-cli.md#show
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How do I base64 encode (decode) in C?
... together a project on github to compare the base64 encoders and decoders: https://github.com/gaspardpetit/base64/
At this point, I have not limited myself to C algorithms - if one implementation performs well in C++, it can easily be backported to C. Also tests were conducted using Visual Studio 2...