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Here, the list [0..] represents , x^2>3 represents the predicate, and 2*x represents the output expression.. List comprehensions give results in a defined order (unlike the members of sets); and list comprehensions may generate the members of a list in order, rather than produce the entirety of the list thus allowing, for example, the previous Haskell definition of the members of an infinite list.
For example, in address book software, the basic storage unit is an individual contact entry. As a bare minimum, the software must allow the user to: [6] Create, or add new entries; Read, retrieve, search, or view existing entries; Update, or edit existing entries; Delete, deactivate, or remove existing entries
To delete all pages created by a particular user, use Special:Nuke.For other mass-deletion needs, use Twinkle's "D-batch" module (see tools).Remember that even if performing a batch deletion the burden is still on you to make sure all of the pages you are deleting in fact meet the criterion you use to delete them.
On Wikipedia, many pages are deleted each day through the processes outlined below. Deletion of a Wikipedia article removes the current version and all previous versions from public view. Page blanking can be performed (or reverted) by any user, but only administrators can perform deletion, [1] view deleted pages, and reverse ("undelete") any ...
RevisionDelete (also known as RevDel or RevDelete) is a feature that allows administrators to remove individual entries in a page history or log from public view. It is used for "selective deletion", largely replacing the prior method (delete and partial undelete) which should no longer be used except for history merges and occasional other technical cases where it is needed.
2. Right click on the To Do List you want to delete. 3. Click Edit List. 4. Click Delete. 5. Select the option you want • Delete all the to do's - keeps the list by delete the To Do's. • The whole calendar - deletes the list with all the To Do's. 6. Click Delete.
Move the page to a new title (say, PageName/deleted revisions YYYY-MM-DD, where YYYY-MM-DD is today's date) and delete them. Restore the remaining versions of the article. Another difference between these methods is that the former leaves an entry in the page history marking the page moves, while in the latter the only trace of the process is ...
Does not free the space occupied by the data in the table (in the TABLESPACE) Does not reset the SEQUENCE value assigned to the table; DELETE works much slower than TRUNCATE; You can undo the operation of removing records by using the ROLLBACK command; DELETE requires a shared table lock; Triggers fire; DELETE can be used in the case of ...