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Clojure: cons (seq) vs. conj (list)
...o insert into a collection, while cons takes just one:
(conj '(1 2 3) 4 5 6)
; => (6 5 4 1 2 3)
(cons 4 5 6 '(1 2 3))
; => IllegalArgumentException due to wrong arity
Another difference is in the class of the return value:
(class (conj '(1 2 3) 4))
; => clojure.lang.PersistentList
(cl...
Regex to match any character including new lines
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BoltClock♦BoltClock
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Open an IO stream from a local file or url
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226
open-uri is part of the standard Ruby library, and it will redefine the behavior of open so that...
MYSQL Dump only certain rows
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answered May 24 '11 at 15:56
AJ.AJ.
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What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
...xts.
The Standard text, which covers both of the above cases, is in C11 6.7.6.3/7 (was 6.7.5.3/7 in C99):
A declaration of a parameter as ‘‘array of type’’ shall be adjusted to ‘‘qualified pointer to type’’, where the type qualifiers (if any) are those specified within the [ a...
What, why or when it is better to choose cshtml vs aspx?
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edited Jun 6 '12 at 12:06
answered Jun 6 '12 at 11:50
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How to prepend a string to a column value in MySQL?
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265
You can use the CONCAT function to do that:
UPDATE tbl SET col=CONCAT('test',col);
If you wa...
Haskell: Converting Int to String
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answered May 6 '10 at 20:33
ChuckChuck
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