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Is there a goto statement in Java?
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http://java.sun.com/docs/books/tutorial/java/nutsandbolts/_keywords.html
"The keywords const and goto are
reserved, even though they are not
currently used. "
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How to list empty folders in linux
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how to show lines in common (reverse diff)?
...aven't found anything equivalent to this command on Windows)
Here it is :
http://www.nerdzcore.com/?page=commonlines
Usage is "CommonLines inputFile1 inputFile2 outputFile"
Source code is also available (GPL)
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How to check if a specific key is present in a hash or not?
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Link to reload current page
...d above as regarding directories, not files. This means that if you are at http://example.com/foo/bar.html you are really in the directory /foo/ and a href value of . in bar.html will refer to /foo/ rather than bar.html
Think of it as navigating the file system in a terminal; you can never cd into ...
Get the new record primary key ID from MySQL insert query?
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You need to use the LAST_INSERT_ID() function: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html#function_last-insert-id
Eg:
INSERT INTO table_name (col1, col2,...) VALUES ('val1', 'val2'...);
SELECT LAST_INSERT_ID();
This will get you back the PRIMARY...
How do I use Ruby for shell scripting?
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This might also be helpful: http://rush.heroku.com/
I haven't used it much, but looks pretty cool
From the site:
rush is a replacement for the unix shell (bash, zsh, etc) which uses pure Ruby syntax. Grep through files, find and kill processes, co...
psql: FATAL: database “” does not exist
I'm using the PostgreSql app for mac ( http://postgresapp.com/ ). I've used it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran:
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How do I convert a decimal to an int in C#?
...In);
Here is a very handy convert data type webpage for those of others.
http://www.convertdatatypes.com/Convert-decimal-to-int-in-CSharp.html
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MD5 algorithm in Objective-C
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These methods are verified using the NIST MD5 test vectors in
http://www.nsrl.nist.gov/testdata/
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