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Can a java file have more than one class?
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10
Yes, as many as you want!
BUT, only one "public" class in every file.
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How to get filename without extension from file path in Ruby
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Jonathan LonowskiJonathan Lonowski
108k3131 gold badges188188 silver badges191191 bronze badges
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Best way to select random rows PostgreSQL
...1 AS min_id -- minimum id <= current min id
, 5100000 AS id_span -- rounded up. (max_id - min_id + buffer)
)
SELECT *
FROM (
SELECT p.min_id + trunc(random() * p.id_span)::integer AS id
FROM params p
,generate_series(1, 1100) g -- 1000 +...
jquery append to front/top of list
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edited Jul 10 '13 at 3:18
answered Jul 4 '13 at 9:22
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Prevent users from submitting a form by hitting Enter
... When Enter is checked, then this would check 13 (normal enter) as well as 108 (numpad enter).
Note that $(window) as suggested in some other answers instead of $(document) doesn't work for keydown/keyup in IE<=8, so that's not a good choice if you're like to cover those poor users as well.
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How do you make an array of structs in C?
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107
#include<stdio.h>
#define n 3
struct body
{
double p[3];//position
double v[3];/...
Reuse a parameter in String.format?
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answered Jul 10 '18 at 15:47
Ahmad Al-KurdiAhmad Al-Kurdi
1,76122 gold badges1414 silver badges3333 bronze badges
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How should I log while using multiprocessing in Python?
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answered May 21 '09 at 18:10
zzzeekzzzeek
58k1818 gold badges167167 silver badges169169 bronze badges
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How can strings be concatenated?
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answered Apr 26 '10 at 6:59
mpenmpen
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Disable activity slide-in animation when launching new activity?
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10 Answers
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