Cassandra and MongoDB are both âNoSQLâ databases, but the reality is that they are very different . They have very different strengths and value propositions â so any comparison has to be a nuanced one. Letâs start with initial requirementsâ¦ Neither of these databases replace RDBMS, nor are they âACIDâ databases.
If your laptop is running on no more than 512MB of RAM with Windows XP or no more than 1GB of RAM with Windows Vista or Windows 7, you should upgrade. You'll notice a significant difference in system performance after upgrading to 2GB with XP or Vista, or to 4GB with Windows 7.
1 Get the right cable. 2  When you connect an external monitor to a laptop computer, you have to run a cable between the two devices. 3  Make sure that you get a monitor cable that matches the sockets on your laptop and monitor. 4  Tell your operating system youâre using a second screen. Extra options in Windows 8: With Windows 8, you can choose between a traditional desktop view or the new metro menu. 2  But when you connect your laptop to a second desktop screen, you can actually have your proverbial cake and eat it too by running both at the same time.