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Delete files or folder recursively on Windows CMD
How do I delete files or folders recursively on Windows from the command line?
12 Answers
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Enumerable.Empty() equivalent for IQueryable
When a method returns IEnumerable<T> and I do not have anything to return, we can use Enumerable.Empty<T>() .
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Can bash show a function's definition?
... your ~/.profile:
$ type foobar
foobar is a function
foobar {
echo "I'm foobar"
}
This does find out what foobar was, and if it was defined as a function it calls declare -f as explained by pmohandras.
To print out just the body of the function (i.e. the code) use sed:
type foobar | sed '1,...
How do you tell a specific Delayed::Job to run in console?
For some reason, Delayed::Job's has decided to queue up but not excecute anything even though I've restarted it several times, even kill -9'd it and restarted it. It won't run any jobs.
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How do you grep a file and get the next 5 lines
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You want:
grep -A 5 '19:55' file
From man grep:
Context Line Control
-A NUM, --after-context=NUM
Print NUM lines of trailing context after matching lines.
Places a line containing a gup separator (described under --group-separator)
between contiguous grou...
Convert dictionary to list collection in C#
I have a problem when trying to convert a dictionary to list.
6 Answers
6
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Objective-C: Property / instance variable in category
...ynthesized property in a Category in Objective-C, I do not know how to optimize the following code:
6 Answers
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String Concatenation using '+' operator
Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
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Force Git to always choose the newer version during a merge?
Let's assume I merge git and there is a merge conflict.
2 Answers
2
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Retrieve column names from java.sql.ResultSet
...MetaData (http://java.sun.com/javase/6/docs/api/java/sql/ResultSetMetaData.html) object for that, like this:
ResultSet rs = stmt.executeQuery("SELECT * FROM table");
ResultSetMetaData rsmd = rs.getMetaData();
String firstColumnName = rsmd.getColumnName(1);
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