The Lisp quote is a special operator that returns its only argument, unevaluated.
The Lisp quote is a special operator that returns its only argument, unevaluated.
Questions tagged [quote]
638 questions
133
votes
10 answers
When to use ' (or quote) in Lisp?
After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ') function does, yet this has been all over Lisp code that I've seen.
What does it do?
Cristián Romo
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132
votes
8 answers
How to escape single quote in sed?
How to escape a single quote in a sed expression that is already surrounded by quotes?
For example:
sed 's/ones/one's/' <<< 'ones thing'
Thomas Bratt
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68
votes
7 answers
What is ' (apostrophe) in Lisp / Scheme?
I am on day 1 hour 1 of teaching myself Scheme. Needless to say, I don't understand anything. So I'm reading The Little Schemer and using this thing:
http://sisc-scheme.org/sisc-online.php
as an interpreter.
I need to use ' in for example
(atom?…
jjerms
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62
votes
2 answers
What is the difference between quote and list?
I know that you can use ' (aka quote) to create a list, and I use this all the time, like this:
> (car '(1 2 3))
1
But it doesn’t always work like I’d expect. For example, I tried to create a list of functions, like this, but it didn’t work:
>…
Alexis King
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59
votes
6 answers
HTML5 block-quote with author
Hi I'm seeing a great number of different ways to implementat blockquote in html but it doesn't seem clear in its documentation how should I properly format a blockquote let's say of a famous quote and metion its author like:
In victory, you…
zanona
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45
votes
7 answers
Single quote escape in JavaScript function parameters
I need to escape single quotes in JavaScript function parameters to avoid this:
onclick="Javascript:INSERT_PRODUCT('188267','WILL AND GRACE','32311','L'ANNIVERSARIO DINOZZE ','20101113|04|18|','13/11/2010 0.00.00','CANALE 5 ',this);"
But I need to…
Daniele Di Punzio
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37
votes
2 answers
Make big quotes with
Some years ago, I used the tag to create a quote on my site (with big quotation marks).
Now I want to do the same thing, but it doesn't work anymore. The only thing I get are small "" and not the big ones.
How do I get the old, big ones…
Matt
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33
votes
4 answers
In Lisp (Clojure, Emacs Lisp), what is the difference between list and quote?
From reading introductory material on Lisp, I now consider the following to be identical:
(list 1 2 3)
'(1 2 3)
However, judging from problems I face when using the quoted form in both Clojure and Emacs Lisp, they are not the same. Can you tell me…
neo
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33
votes
7 answers
What is the difference between 1 and '1 in Lisp?
I had never really thought about whether a symbol could be a number in Lisp, so I played around with it today:
> '1
1
> (+ '1 '1)
2
> (+ '1 1)
2
> (define a '1)
> (+ a 1)
2
The above code is scheme, but it seems to be roughly the same in Common…
Jason Baker
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31
votes
4 answers
Triple-double quote v.s. Double quote
What is the preferred way to write Python doc string?
""" or "
In the book Dive Into Python, the author provides the following example:
def buildConnectionString(params):
"""Build a connection string from a dictionary of parameters.
…
Mingyu
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29
votes
4 answers
Printing " (double quote) in GoLang
I am writing a Go code which reads from a file. To do so I use fmt.Println() to print into that intermediate file.
How can I print "?
bender
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26
votes
4 answers
Nesting with three levels of quotations
I am trying to create a php variable that has three levels of nested quotes. How do I make a third level around "tackEvent", "downloads", "all", and "nofilter"? The double quotes that I have there are not working.
$outputList .= "
JSW189
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22
votes
1 answer
In Clojure, difference between function, quoted function and sharp-quote function
In clojure, I'd like to know what are the differences between the three below.
(println (map + '(1 2 3) '(4 5 6)))
(println (map '+ '(1 2 3) '(4 5 6)))
(println (map #'+ '(1 2 3) '(4 5 6)))
The results are
(5 7 9)
(4 5 6)
(5 7 9)
I can't…
jolly-san
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20
votes
4 answers
The correct COPY command to load postgreSQL data from csv file that has single-quoted data?
I have csv file that has contents like this:
10,53073,0,0,'Y','2008-05-30 21:46:55',0,'2008-05-30 21:48:04',0,53071,2
I want to load the csv data into my_table.
CREATE TABLE my_table
(
ad_tree_id numeric(10,0) NOT NULL,
node_id numeric(10,0)…
null
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17
votes
1 answer
Clojure - difference between quote and syntax quote
(def x 1)
user=> '`~x
x
user=> `'~x
(quote 1)
Can anyone explain please how it is evaluated step by step?
Alonzorz
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