Useful tips for everyday
How large should my Time Machine drive be? How big a drive do I need for Time Machine? A general “rule of thumb” is, to…
Is there PIVOT in MySQL? Pivot tables are useful for data analysis, allow you to display row values as columns to easily get insights. However,…
How do I run Docker commands in Jenkins pipeline? Open the Jenkins home page in a browser and click the “create new jobs” link. Enter…
What are the scores in a PCA? Say you have a cloud of N points in, say, 3D (which can be listed in a 100×3…
What do you need to know about outbound messaging? Messaging user fields: Outbound and inbound messages create Messaging User records to which you can add…
How do I password protect a keystore? Table Of Contents Do not Use Default Keystores. Change the default password. Change the Keystore Password on a…
Who has right of way on final approach? An overtaking aircraft shall not pass the aircraft that it is overtaking by diving or climbing. An…
What are emotional design elements? In his book Emotional Design, Don Norman explores three different levels of design that capture how people emotionally react to…
When does connection Pooler remove connection from pool? The connection pooler removes a connection from the pool after it has been idle for approximately 4-8…
Which is the output of the error amplifier? The output of the error amplifier (sometimes called “COMP,” sometimes “EA-out,” sometimes “ control voltage”) is applied…