Useful tips for everyday
What is the symbol for any character in grep? 4.1. 5 Searching for Metacharacters Character Matches . Any single character […] Any single character in…
Should I use stderr? It is good practice to redirect all error messages to stderr , while directing regular output to stdout . It is…
What is the five-number summary of the distribution? The five-number summary of a distribution consists of the smallest observation, the first quartile, the median, the…
Why active filters are used over passive filters? Active filters have some definite advantages over passive versions, including the ability to provide signal gain, higher…
What skills do you think make a good software tester? Top Traits of Highly Effective Software Testers 9 Top Traits of Effective Software Testers. Excellent…
How to fix ora-01034 Oracle not available? To resolve ORA-01034, be sure that the ORACLE_HOME and ORACLE_SID properly match within the files /etc/oratab or /var/opt/oracle/oratab…
Why is file management so important as a graphic designer? File management helps teams work more efficiently and without unnecessary distractions. If you manage your…
Does Microsoft Word allow insert equations? To insert a preset equation in Word, place your cursor at insertion point in your document where you want…
When do random variables have the same distribution? If you have two random variables then they are IID (independent identically distributed) if: If they are…
How do you make a column in a data frame numeric? To convert columns of an R data frame from integer to numeric we can…