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delete map[key] in go?
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Oracle SQL: Update a table with data from another table
...n a unique row. This means that you have to select on all the fields which comprise a unique key -- a non-unique primary key is not sufficient. Without uniqueness, you are reduced to something like @PaulKarr's loop -- and if there is not a unique correlation, then more than one target row may be upd...
Encoding as Base64 in Java
...
You need to change the import of your class:
import org.apache.commons.codec.binary.Base64;
And then change your class to use the Base64 class.
Here's some example code:
byte[] encodedBytes = Base64.encodeBase64("Test".getBytes());
System.out.println("encodedBytes " + new String(enco...
Matplotlib scatterplot; colour as a function of a third variable
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When exactly is it leak safe to use (anonymous) inner classes?
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Why is auto_ptr being deprecated?
...they had to let go of auto_ptr, instead of modifying it.
From the link : http://www.cplusplus.com/reference/memory/unique_ptr/operator=/
Kind of assignments supported by unqiue_ptr
move assignment (1)
assign null pointer (2)
type-cast assignment (3)
copy assignment (deleted!) (4)
Fr...
When do items in HTML5 local storage expire?
... localStorage.removeItem(name);
localStorage.removeItem(name + '_expiresIn');
} catch(e) {
console.log('removeStorage: Error removing key ['+ key + '] from localStorage: ' + JSON.stringify(e) );
return false;
}
return true;
}
/* getStorage: retrieves a key fro...
How to export table as CSV with headings on Postgresql?
...
COPY products_273 TO '/tmp/products_199.csv' WITH (FORMAT CSV, HEADER);
as described in the manual.
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How do I access command line arguments in Python?
...a small example:
import argparse
parser = argparse.ArgumentParser("simple_example")
parser.add_argument("counter", help="An integer will be increased by 1 and printed.", type=int)
args = parser.parse_args()
print(args.counter + 1)
and the output for python prog.py -h
usage: simple_example [-h] ...
Setting dynamic scope variables in AngularJs - scope.
...ope, 42);
// Apply it to the scope
// $scope.$apply(); <- According to comments, this is no longer needed
console.log($scope.life.meaning); // logs 42
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