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How to sort an array in descending order in Ruby
...y
require 'benchmark'
ary = []
1000.times {
ary << {:bar => rand(1000)}
}
n = 500
Benchmark.bm(20) do |x|
x.report("sort") { n.times { ary.sort{ |a,b| b[:bar] <=> a[:bar] } } }
x.report("sort reverse") { n.times { ary.sort{ |a,b| a[:bar] <=> b[:bar...
Reference assignment operator in PHP, =&
What does the =& (equals-ampersand) assignment operator do in PHP?
4 Answers
4
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Get the last inserted row ID (with SQL statement) [duplicate]
...ou haven't inserted another row - it just returns the last IDENTITY value handed out in this scope here.
There are at least two more options - @@IDENTITY and IDENT_CURRENT - read more about how they works and in what way they're different (and might give you unexpected results) in this excellent bl...
Run java jar file on a server as background process
...hes the program to run in the background.
The nohup utility makes the command passed as an argument run in the background even after you log out.
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HTML5 Canvas 100% Width Height of Viewport?
I am trying to create a canvas element that takes up 100% of the width and height of the viewport.
7 Answers
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What's the right OAuth 2.0 flow for a mobile app
...
Clarification: Mobile App = Native App
As stated in other comments and a few sources online, implicit seems like a natural fit for mobile apps, however the best solution is not always clear cut (and in fact implicit is not recommended for reasons discussed below).
Native App OAuth2 Best Prac...
Convert Array to Object
...ectly into a new object: { ...[sortedArray]}
– HappyHands31
Jul 26 '19 at 15:18
4
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SQL Server: Query fast, but slow from procedure
...s" in your stored procedure queries, but read the original for more understanding, it's a great write up. e.g.
Slow way:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCus...
How do I include related model fields using Django Rest Framework?
...ed the answer to explain why depth wouldn't do what you need in this case, and to explain the exception you're seeing and how to deal with it.
– Tom Christie
Jan 29 '13 at 13:20
1
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How do I get Pyflakes to ignore a statement?
...
(in which the space is significant - 2 spaces between the end of the code and the #, one between it and the NOQA text) will tell the checker to ignore any errors on that line.
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