Useful tips for everyday
How do I add a PKI signature? Sign your PDF document with a digital signature according to the protocols of Public Key Infrastructure (PKI). Open…
How do you calculate volatility of a portfolio in Excel? Volatility is inherently related to standard deviation, or the degree to which prices differ from…
How do you save a shapefile as a feature class? via ArcCatalog In the Catalog pane, find the shapefile you’d like to convert into a…
What is true value in confidence interval? Strictly speaking a 95% confidence interval means that if we were to take 100 different samples and compute…
How do I save a bitmap 8 bit? Save as 4-bit or 8-bit bmp from Illustrator to PhotoShop Take your AI file. Select File >…
How to hide column based on another column value? Using JSON formatting, is it possible to hide a column based on another column value. Edit…
How do you iterate a map with lightning? By using the aura:iteration tag…. First we create our component controller class. In this apex class we…
What is the default netmask? Most home networks use the default subnet mask of 255.255. 255.0. However, an office network may be configured with a…
How often should you change your password of IoT device? Remember that every password must be changed twice every year. Nearly all smart devices have…
How do you find the perimeter and area of a regular polygon? The area of any regular polygon is given by the formula: Area =…