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Struct inheritance in C++
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answered Jun 11 '09 at 3:44
Alex MartelliAlex Martelli
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Run Cron job every N minutes plus offset
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Clojure: cons (seq) vs. conj (list)
...ments to 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.PersistentLi...
Show MySQL host via SQL Command
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edited Nov 27 '11 at 3:19
answered Nov 27 '11 at 2:44
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Android SQLite: nullColumnHack parameter in insert/replace methods
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answered Apr 18 '10 at 19:30
CommonsWareCommonsWare
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count members with jsonpath?
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239
To test size of array: jsonPath("$", hasSize(4))
To count members of object: jsonPath("$.*", ...
How to implement a property in an interface
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301
In the interface, you specify the property:
public interface IResourcePolicy
{
string Vers...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
...n its own).
Note that seq allows floating-point numbers (e.g., seq .5 .25 3.5) but bash's brace expansion only allows integers.
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JavaScript arrays braces vs brackets
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137
The first and third are equivalent and create a new array. The second creates a new empty objec...
Select records from NOW() -1 Day
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answered Dec 17 '11 at 11:39
Jon SkeetJon Skeet
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