China recorded the most sleep, with more than nine hours of sleep, according to a 2011 OECD report. Could that have something to do with the highly-accepted practice of public sleeping? Japan, on the other hand, gets the least, with seven hours and 14 minutes of shut-eye each weekday. Time spent sleeping has been steadily declining since the 1970s, according to the 2010 time use report -- and Internet use has been on the up and up.
Null Byte Injection. Null Byte Injection. Null Byte Injection is an active exploitation technique used to bypass sanity checking filters in web infrastructure by adding URL-encoded null byte characters (i.e. %00, or 0x00 in hex) to the user-supplied data.
SQL Injection. SQL injection is a code injection technique that might destroy your database. SQL injection is one of the most common web hacking techniques. SQL injection is the placement of malicious code in SQL statements, via web page input. SQL injection usually occurs when you ask a user for input, like their username/userid, and instead of a name/id, the user give you an SQL statement that you will unknowingly run on your database. Look at the following example which creates a SELECT statement by adding a variable (txtUserId) to a select string.