Useful tips for everyday
How do you find best selling items in SQL? Assuming SQL Server, I might use: SELECT TOP(5) ProductID, SUM(Quantity) AS TotalQuantity FROM order_items GROUP BY…
What is the difference between linear and non linear control system? Linear control theory applies to systems made of devices which obey the superposition principle.…
How does flowing current affect the magnetic field? Current is directly proportional to magnetic force for a straight current carrying conductor in a uniform magnetic…
How do I get rid of indent? If you set an indent and want to remove it, you can for the entire document, line or…
How do you find the minimum number of individuals? While there are formulae that can be applied to determining MNI, it is essentially a logic…
What does fflush stdout do? fflush() is typically used for output stream only. Its purpose is to clear (or flush) the output buffer and move…
Is there problem with soql on related objects? SOQL on related objects. I am having a problem with bellow SOQL. My Resource__c object has a…
How do you add a link to an image in WordPress? Add an Image from a URL in WordPress: Instructions To add an image from…
How do you use the breusch Pagan test in R? Example: Breusch-Pagan Test in R Step 1: Fit a regression model. First, we will fit…
What is the difference between the different Linux distributions? The first major difference between various Linux distributions is their target audiences and systems. For example,…