Press Ctrl+H to open Find & Replace. Press space in "Find what" field. Click "Replace all" and "OK". This removes spaces between characters only
Counter class from standard library can remove duplicates from hashable lists. Container class allows unhashable keys using identity function. OrderedCounter maintains item order while removing duplicates. Non-ordered sorting (remd) is slightly faster than ordered sorting (oremd)
TRUNCATE removes all rows from tables faster than DELETE. Immediately reclaims disk space without VACUUM. Requires TRUNCATE privilege and ACCESS EXCLUSIVE lock
Eraser offers advanced scheduling and multiple data sanitization methods. Secure Eraser includes registry cleaning capabilities. Most programs support multiple data wiping methods including DoD 5220.22-M
Spaces in Excel cells can cause formula errors even with identical text. Leading spaces are visible, trailing spaces are invisible. Two cells with same text are considered different values
Duplicate rows contain same information in multiple rows. Unique constraints prevent duplicate rows from being inserted