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Java: Detect duplicates in ArrayList?
How could I go about detecting (returning true/false) whether an ArrayList contains more than one of the same element in Java?
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Static method in a generic class?
In Java, I'd like to have something as:
11 Answers
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Mysql - How to quit/exit from stored procedure
...l details for exception handling).
For more on this subject, check out:
https://dev.mysql.com/doc/refman/5.5/en/signal.html
How to raise an error within a MySQL function
http://www.databasejournal.com/features/mysql/mysql-error-handling-using-the-signal-and-resignal-statements.html
Addendum
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How to print (using cout) a number in binary form?
I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
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What's the best way to iterate an Android Cursor?
I frequently see code which involves iterating over the result of a database query, doing something with each row, and then moving on to the next row. Typical examples are as follows.
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Locate the nginx.conf file my nginx is actually using
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Why is there no Tree class in .NET?
...etrieval characteristics that you would expect from a Tree Data Stucture.
http://msdn.microsoft.com/en-us/library/f7fta44c(VS.80).aspx
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Append a Lists Contents to another List C#
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Timeout command on Mac OS X?
... timeout() { perl -e 'alarm shift; exec @ARGV' "$@"; }
Snagged from here:
https://gist.github.com/jaytaylor/6527607
Instead of putting it in a function, you can just put the following line in a script, and it'll work too:
timeout.sh
perl -e 'alarm shift; exec @ARGV' "$@";
or a version that has bui...
How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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