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How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
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5 Answers
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Generate array of all letters and digits
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145
[*('a'..'z'), *('0'..'9')] # doesn't work in Ruby 1.8
or
('a'..'z').to_a + ('0'..'9').to_a # ...
What is the easiest way to push an element to the beginning of the array?
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edited Sep 13 '18 at 16:05
answered May 22 '11 at 1:48
mu ...
Python Dictionary to URL Parameters
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256
Use urllib.urlencode(). It takes a dictionary of key-value pairs, and converts it into a form s...
How to merge a list of lists with same type of items to a single list of items?
...dPar
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76
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How does one use rescue in Ruby without the begin and end block
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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
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Rank function in MySQL
...char(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M');
INSERT INTO person VALUES (5, 'Nick', 22, 'M');
INSERT INTO person VALUE...
PostgreSQL return result set as JSON array?
...that looks like this:
{"a":[1,2,3], "b":["value1","value2","value3"]}
9.5 and up
We can leverage the json_build_object function:
SELECT
json_build_object(
'a', json_agg(t.a),
'b', json_agg(t.b)
)
FROM t
You can also aggregate the columns, creating a single row, and the...
Reset keys of array elements in php?
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Riz-waan
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answered May 8 '12 at 5:09
deceze♦deceze
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