Select objects based on value of variable in object using jq
Adapted from this post on Processing JSON with jq, you can use the select(bool) like this:
select
SQL SELECT WHERE field contains words
Rather slow, but working method to include any of words: If you need all words to be present, use this: If you want something faster, you need to look into full text search, and this is very specific for each database type.
SQL query to get the employee name and their manager name from the same table
You can self-join the table to get the manager’s name from his ID:
SQL SELECT WHERE field contains words
Rather slow, but working method to include any of words: If you need all words to be present, use this: If you want something faster, you need to look into full text search, and this is very specific for each database type.
Selecting multiple columns in a Pandas dataframe
The column names (which are strings) cannot be sliced in the manner you tried. Here you have a couple of options. If you know from context which variables you want to slice out, you can just return a view of only those columns by passing a list into the __getitem__ syntax (the []’s). Alternatively, if … Read more