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Set custom attribute using JavaScript
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202
Use the setAttribute method:
document.getElementById('item1').setAttribute('data', "icon: 'ba...
Does List guarantee insertion order?
Say I have 3 strings in a List (e.g. "1","2","3").
5 Answers
5
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how to create a file name with the current date & time in python?
...ort time
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so your filename could append or use this string.
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How to write a cron that will run a script every day at midnight?
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262
Here's a good tutorial on what crontab is and how to use it on Ubuntu. Your crontab line will ...
What is the type of lambda when deduced with “auto” in C++11?
...es (nothing inside the []'s) can be converted into a function pointer (MSVC2010 doesn't support this, if that's your compiler, but this conversion is part of the standard).
But the actual type of the lambda isn't a function pointer. It's some unspecified functor type.
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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 use Bash to create a folder if it doesn't already exist?
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280
First, in bash "[" is just a command, which expects string "]" as a last argument, so the whit...
Express res.sendfile throwing forbidden error
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288
I believe it's because of the relative path; the "../" is considered malicious. Resolve the lo...
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...