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Postgresql aggregate array
...nt name on GROUP BY.
CREATE TABLE grade
(Student_id int, Mark varchar(2));
INSERT INTO grade
(Student_id, Mark)
VALUES
(1, 'A'),
(2, 'B'),
(2, 'B+'),
(3, 'C'),
(3, 'A');
CREATE TABLE student
(Id int primary key, Name varchar(5));
INSERT INTO student
(Id, Name...
How do I limit the number of results returned from grep?
...
249
The -m option is probably what you're looking for:
grep -m 10 PATTERN [FILE]
From man grep:...
Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
I have developed an application using Entity Framework , SQL Server 2000, Visual Studio 2008 and Enterprise Library.
35 ...
Find first element in a sequence that matches a predicate
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260
To find first element in a sequence seq that matches a predicate:
next(x for x in seq if pred...
string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...ractice is selecting the most appropriate one.
.Net Framework 4.0 Beta 2 has a new IsNullOrWhiteSpace() method for
strings which generalizes the IsNullOrEmpty() method to also include other white
space besides empty string.
The term “white space” includes all characters that are not...
What should main() return in C and C++?
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edited Nov 23 '19 at 9:21
Community♦
111 silver badge
answered Oct 15 '08 at 12:16
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Converting user input string to regular expression
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answered May 17 '09 at 14:26
GumboGumbo
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Renaming or copying files and folder using NERDTree on Vim. Is it possible?
...
2 Answers
2
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How to declare a global variable in JavaScript?
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215
If you have to generate global variables in production code (which should be avoided) always d...
How to get equal width of input and select fields
...kit-box-sizing:content-box;
box-sizing:content-box;
This means that the 2px difference we mentioned earlier does not exist..
example at http://www.jsfiddle.net/gaby/WaxTS/5/
note: On IE it works from version 8 and upwards..
Original
if you reset their borders then the select element will al...