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Is it possible to export data into an excel sheet without the heading? I know SET HEAD OFF works in SQL Developer example: SET HEAD OFF select count (customers) from cust; but how do I get the data without the heading in Excel if I am using the Microsoft Query wizard and ODBC? Assuming excel 2010. After importing data, select table. On ribbon chose Design and clear Header Row field. 来源： https://stackoverflow.com/questions/19277683/query-in-excel-without-heading-oracle

I want to get the device's deviation from the magnetic North in degrees, and use that value in some code I'm writing. I don't want to use the device's location services and therefore I'm not interested in getting the True north but rather the Magnetic North (using only the device's magnetometer). Which class (or coding process.. ) could provide me with that value (solely relying on the magnetometer) ? the CLLocationManager class and its properties rely on Location Services being enabled/available where as the Core Motion framework with its CMMagnetometerData class provides us with the

I'm developing an AR app using the gyro. I have use an apple code example pARk. It use the rotation matrix to calculate the position of the coordinate and it do really well, but now I'm trying to implement a "radar" and I need to rotate this in function of the device heading. I'm using the CLLocationManager heading but it's not correct. The question is, how can I get the heading of the device using the CMAttitude to reflect exactly what I get in the screen?? I'm new with rotation matrix and that kind of things. This is part of the code used to calculate the AR coordinates. Update the

I'm trying to export a PostgreSQL table with headings to a CSV file via command line, however I get it to export to CSV file, but without headings. My code looks as follows: COPY products_273 to '/tmp/products_199.csv' delimiters','; Milen A. Radev COPY products_273 TO '/tmp/products_199.csv' WITH (FORMAT CSV, HEADER); as described in the manual . Laurent Debricon From psql command line: \COPY my_table TO 'filename' CSV HEADER no semi-colon at the end. instead of just table name, you can also write a query for getting only selected column data. COPY (select id,name from tablename) TO 'filepath