Useful tips for everyday
Which is best representation for categorical variables? Frequency tables, pie charts, and bar charts are the most appropriate graphical displays for categorical variables. Can cluster…
What is Index was outside the bounds of the array? This error is returned by email when a file import fails because of invalid formatting.…
How do you extract from a cell? Depending on where you want to start an extraction, use one of these formulas: LEFT function – to…
What means statically linked? Statically-linked files are ‘locked’ to the executable at link time so they never change. A dynamically linked file referenced by an…
Why index is not used in SQL Server? The SELECT query plan shows Clustered Index Scan but there is an index on the date column.…
How do you add a method to an object? Here’s how it works: Build an object with whatever properties you need. Define a method much…
Could you nuke the moon out of orbit? So could we actually blast the moon out of its orbit? According to the military’s study, it…
When to use truncate or drop table in redshift? For example, if you have 2 shells open with redshift shell, you will not be able…
How loud can a speaker go? (2.83V = 1 watt into an 8 Ohm speaker). Most speakers will fall somewhere between 80-90 dB @ 1W/1m,…
What to do if your user profile service failed? If you encounter the issue user profile service failed, you can try to boot your computer…