Useful tips for everyday
Does SELECT for UPDATE need to be in a transaction? A query is always in a transaction even if you don’t start it explicitly. SELECT…
What is performance and functional testing? Performance testing validates that application software can handle real time scenarios and address issues, if any, to deliver a…
How do you calculate relative change? Relative change shows the change of a value of an indicator in the first period and in percentage terms,…
How to run software on tty1 instead of Getty login? On Ubuntu 14.04, edit the following file: Use full paths and make sure output and…
How do I know if my AC adapter is DC? One way to determine if you have an AC-DC power supply or a DC-DC model…
How do you call a function in Google Sheets? Use a formula Open a spreadsheet. Type an equal sign (=) in a cell and type…
Which is the substitution string in URL Rewrite? A Rewrite action has the following configuration options: url – This is the substitution string to use…
How to use custom setting in workflow? *Note: You can only access “custom settings” in formulas. This can be found by clicking on “system variables…
How do I reset my photocell? How to Reset the Light Sensor on Outdoor Lights Flip off the light switch that powers the outdoor lights.…
What symbol is ohms on a multimeter? Ω Resistance: This is measured in ohms. On analog multimeters, there’s a scale on the display labeled as…