Useful tips for everyday
Can you use conditional comments in Internet Explorer? Conditional comments work in Internet Explorer 9 and below, but are ignored by Internet Explorer 10 and…
Which function can you use to read shapefiles into R? The rgdal package offers the readOGR() function that allows to read shapefile using the following…
Do smart objects lose resolution? Compared to the usual layer resizing, Smart Object allows you to resize images without losing pixels. Can you edit smart…
Where is HTTP proxy server configured for the JMeter? Start JMeter. Add a Thread Group by right-clicking on Test Plan and navigating to Add |…
What does single pulse mean? A single pulse is a pulse waveform with repetition interval →∞, it has a continuous frequency spectrum as opposed to…
What does changing a records do? A records/CNAMEs are simply the records that name servers use to match a domain URL, CNAME, and a web…
Why is my localhost server not working? When you use “localhost”, it can get matched by a ServerAlias or ServerName configuration. If that configuration is…
What is index cardinality? For indexes, it is a bit more specialized – cardinality means the number of unique values for the index key. So…
How is the gamma distribution used in Poisson regression? The gamma distribution is also used to model errors in multi-level Poisson regression models, because the…
What is physical backup in PostgreSQL? Physical Backup in PostgreSQL Physical backups are all-or-nothing – you take a full copy of the database cluster and…