Please update the firmware and FPGA images for your device.

See the application notes for USRP2/N-Series for instructions.

Expected FPGA compatibility number 8, but got 7:

The FPGA build is not compatible with the host code build.
Segment fault

This has been fixed by update firmware which can be downloaded from ettus website.

Microsoft SQL server collation issue.

To chech which collation is used.

SELECT DATABASEPROPERTYEX('pipe1', 'Collation') SQLCollation;
//pipe1 equals to the database name

SELECT name, collation_name
FROM sys.databases
WHERE name = 'pipe1'
//pipe1 equals to the database name

These two commands give the same output.

To check the collation which are supported in server.
SELECT * FROM ::fn_helpcollations()


To change database collation
ALTER DATABASE databasename
COLLATE SQL_Latin1_General_CP1_CI_AS

Arduino Serial Communication

Arduino will automatically restart itself when we start the serial communication.

There are some websites recommend hardware solution to prevent this as below,

www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1204641836