Useful tips for everyday
How to change root password in / etc / shadow? It must be done by editing the /etc/shadow. The /etc/shadow is on a mounted hard…
How do I choose a walking stick for wood? Look for a reasonably straight stick that is at least 1″ (2.5cm) in diameter. It should…
How do I validate an Apple receipt? Use the production URL https://buy.itunes.apple.com/verifyReceipt when your app is live in the App Store. For more information on…
Can you call a parent class method from child class object? If you override a parent method in its child, child objects will always use…
How to project shapefiles in ArcGIS 9.x? Open the ArcToolbox Projection wizard. ArcGIS 9.x Click on ArcToolbox button in either ArcMap or ArcCatalog to open…
Is there an aggregate function in apex soql? Since aggregate function does not work on the Standard ActivityDate field on Tasks, I created a custom…
Is 0x0 a null pointer? 0x0 is just 0 written in hexadecimal notation. There is no difference between the two: 016 = 010 🙂 NULL…
What does a correlation of 0 indicate? A zero correlation suggests that the correlation statistic did not indicate a relationship between the two variables. It’s…
What is Material texture? Material versus Texture A material defines the optical properties of an object: its color and whether it is dull or shiny.…
How do I turn off auto hyperlink in Google Sheets? Removing Hyperlinks From Cells Select all the cells from which you want to remove the…