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Process all arguments except the first one (in a bash script)
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692
Use this:
echo "${@:2}"
The following syntax:
echo "${*:2}"
would work as well, but is n...
Delete element in a slice
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278
Where a is the slice, and i is the index of the element you want to delete:
a = append(a[:i],...
How do I write data into CSV format as string (not file)?
I want to cast data like [1,2,'a','He said "what do you mean?"'] to a CSV-formatted string.
6 Answers
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How do the post increment (i++) and pre increment (++i) operators work in Java?
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edited Jun 17 '18 at 12:03
J.Wincewicz
16433 silver badges77 bronze badges
answered Mar 3 '10 at 12:...
Catching error codes in a shell pipe
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20
If you really don't want the second command to proceed until the first is known to be successfu...
Regular expressions in C: examples?
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238
Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about ...
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...
Best way to find the intersection of multiple sets?
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From Python version 2.6 on you can use multiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that...
Returning value from called function in a shell script
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282
A Bash function can't return a string directly like you want it to. You can do three things:
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Reduce, fold or scan (Left/Right)?
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372
In general, all 6 fold functions apply a binary operator to each element of a collection. The re...