Miscellaneous

What is considered below the fold? The term ‘below the fold’ refers to the portion of a webpage that a user must scroll to see.…

Is a vulnerability an exploit? As we’ve written before, a vulnerability is a weakness in a software system. And an exploit is an attack that…

How do you find the z-score of a proportion? Z Score for sample proportion: z = (p̄ – p) / SE. Example Question: A certain…

Is Skype secure for business use? By requiring all servers to use certificates and by using OAUTH, TLS, Secure Real-Time Transport Protocol (SRTP), and other…

How do I backup my Macbook with Windows? How to Move Your Mac files to a Windows PC Connect your external drive to your Mac,…

How do I sort a SOQL query? ORDER BY [ORDER BY fieldOrderByList {ASC|DESC} [NULLS {FIRST|LAST}] ] SELECT Name FROM Account ORDER BY Name DESC NULLS…

How do I see all users on Raspberry Pi? How do you list the users on a Raspberry Pi? Here’s the short answer: You can…

What is the order of execution of workflow rules validation rules triggers in Salesforce? When record get created into Salesforce following Order of execution works:…

Does Gmapping need odometry? Unfortunately GMapping does not work without odom information. It uses the odom tf to determine if it has to incorporate new…

Is there a GUI for the SpatiaLite database? Spatialite-gui provides a visual interface for viewing and maintaining a spatialite database. You can easily see the…