Lock vs Null - What's the difference?
lock | null |
Something used for fastening, which can only be opened with a key or combination.
* 1883 , (Robert Louis Stevenson), (Treasure Island)
*, chapter=13
, title= A mutex or other token restricting access to a resource.
* 2005 , Karl Kopper, The Linux Enterprise Cluster
A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels.
* 1846 , (William Makepeace Thackeray), Notes of a Journey from Cornhill to Grand Cairo
The firing mechanism of a gun.
* 1837 , (Charles Dickens), (The Pickwick Papers)
Complete control over a situation.
* 2003 , (Charley Rosen), The Wizard of Odds
Something sure to be a success.
* 2004 , (Avery Corman), A perfect divorce
(label) A player in the scrum behind the front row, usually the tallest members of the team.
* {{quote-news, year=2011, date=Septembe 24, author=Ben Dirs, work=BBC Sport
, title= A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.
* (Thomas De Quincey) (1785-1859)
A place from which egress is prevented, as by a lock.
A device for keeping a wheel from turning.
A grapple in wrestling.
(label) To become fastened in place.
*, chapter=13
, title= (label) To fasten with a lock.
(label) To be capable of becoming fastened in place.
(label) To intertwine or dovetail.
To freeze one's body or a part thereof in place.
To furnish (a canal) with locks.
To raise or lower (a boat) in a lock.
tuft or length of hair
*
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As a proper noun lock
is .As a noun null is
zero, nil; the cardinal number before einn.lock
English
Etymology 1
From (etyl) (m), from (etyl) .Noun
(en noun)- "Give me the key," said my mother; and though the lock was very stiff, she had turned it and thrown back the lid in a twinkling.
Mr. Pratt's Patients, passage=We tiptoed into the house, up the stairs and along the hall into the room where the Professor had been spending so much of his time. 'Twas locked, of course, but the Deacon man got a big bunch of keys out of his pocket and commenced to putter with the lock .}}
- the application must first acquire a lock on a file or a portion of a file before reading data and modifying it.
- Here the canal came to a check, ending abruptly with a large lock .
- "I never saw such a gun in my life," replied poor Winkle, looking at the lock , as if that would do any good.
- Even though he had not yet done so, Jack felt he had a lock on the game.
- Brian thinks she's a lock to get a scholarship somewhere.
Rugby World Cup 2011: England 67-3 Romania, passage=Ashton only had to wait three minutes for his second try, lock Louis Deacon setting it up with a rollocking line-break, before Romania got on the scoreboard courtesy of a penalty from fly-half Marin Danut Dumbrava. }}
- Albemarle Street closed by a lock of carriages
- (Dryden)
- (Milton)
Derived terms
* alcolock * ankle lock * anti-lock * caps lock * flash lock * flat lock * flintlock * genlock * gridlock * leglock * liplock * lockfast * lock time * * lockbox * lockmaster * locknote * locksmithing * lockstep * matchlock * num lock * overlock * padlock * picklock * scroll lock * staircase lock * tide lock * time lockVerb
(en verb)Mr. Pratt's Patients, passage=We tiptoed into the house, up the stairs and along the hall into the room where the Professor had been spending so much of his time. 'Twas locked , of course, but the Deacon man got a big bunch of keys out of his pocket and commenced to putter with the lock.}}
Antonyms
* unlockDerived terms
* lock and load * lock horns * lock in * lock lips * lock on * lock out * lock up * lockable * relock * unlockableEtymology 2
From (etyl) (m). Cognate with (etyl) (m) (whence (etyl) (m)), (etyl) (m). It has been theorised that the word may be related to the (etyl) verb in its ancient meaning to curb .Noun
(en noun)- If I consent to burn them, will you promise faithfully neither to send nor receive a letter again, nor a book (for I perceive you have sent him books), nor locks of hair, nor rings, nor playthings?
Derived terms
* daglock * elflock * forelock * goldilocks * sidelocknull
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.