Useful tips for everyday
How do you audit data changes in SQL Server? Start ApexSQL Trigger. Connect to the database to audit. In the main grid, select the table(s)…
How do I enable Hardware virtualization on my Mac Parallels? Open the virtual machine configuration > Hardware > CPU & Memory, click Advanced, and set…
What 3 elements should all good maps have? Elements of a Map Data Frame. The data frame is the portion of the map that displays…
What can you substitute for if exists in SQL? An alternative for IN and EXISTS is an INNER JOIN, while a LEFT OUTER JOIN with…
How do you iterate over a file in Python? Below are the various approaches by using which one can iterate over files in a directory…
How is hashing implemented in Java? Hash values in Java are provided by objects through the implementation of public int hashCode() which is declared in…
How to deadlock from range locks on primary key index? The first process (“process5e13b88”) has acquired RangeS-S lock and waits for another RangS-S lock (where…
How to create a simple table in Drupal? Here’s the first step, where we add an attribute to the whole table. As you can see,…
How do you input using eval? Using Python’s eval() With input() You can wrap Python’s eval() around input() to automatically evaluate the user’s input. This…
What database system does Salesforce use? Oracle Salesforce uses Oracle to power its databases. Does Salesforce run on AWS? Salesforce already relies on AWS as…