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How to return result of a SELECT inside a function in PostgreSQL?
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Hi please check the below link
https://www.postgresql.org/docs/current/xfunc-sql.html
EX:
CREATE FUNCTION sum_n_product_with_tab (x int)
RETURNS TABLE(sum int, product int) AS $$
SELECT $1 + tab.y, $1 * tab.y FROM tab;
$$ LANGUAGE SQL;
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How to extract img src, title and alt from html using php? [duplicate]
...ful (click again to undo)" />
[3] => <img src="http://www.gravatar.com/avatar/df299babc56f0a79678e567e87a09c31?s=32&d=identicon&r=PG" height=32 width=32 alt="gravatar image" />
[4] => <img class="vote-up" src="/content/img/vote-arrow-up.png" alt="vot...
How to make an HTTP request + basic auth in Swift
...base64EncodedString()
// create the request
let url = URL(string: "http://www.example.com/")!
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Basic \(base64LoginString)", forHTTPHeaderField: "Authorization")
// fire off the request
// make sure your class conforms ...
Chrome, Javascript, window.open in new tab
...nt (Chrome 39) I use this code to open a new tab:
window.open('http://www.stackoverflow.com', '_blank', 'toolbar=yes, location=yes, status=yes, menubar=yes, scrollbars=yes');
Of course this may change in future versions of Chrome.
It is a bad idea to use this if you can't control the br...
Using headers with the Python requests library's get method
...e headers can all be passed in using requests.get:
r=requests.get("http://www.example.com/", headers={"content-type":"text"})
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In plain English, what does “git reset” do?
...only Git commands that has the potential to lose your work.
From https://www.atlassian.com/git/tutorials/undoing-changes/git-reset
and this
On the commit-level, resetting is a way to move the tip of a branch to a different commit. This can be used to remove commits from the current branch.
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ASP.NET MVC: Is Controller created for every request?
... action on the controller to call, and parameters to pass to them.
http://www.asp.net/mvc/tutorials/asp-net-mvc-routing-overview-vb
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Need to understand the usage of SemaphoreSlim
... use the using statement which could make coding neater and safer.
http://www.tomdupont.net/2016/03/how-to-release-semaphore-with-using.html
I did swap _isDisposed=true and _semaphore.Release() around in its Dispose though in case it somehow got called multiple times.
Also it is important to not...
Real-world applications of zygohistomorphic prepromorphisms
...d fit for sliding window problems once you are accustomed to them.
http://www.iis.sinica.edu.tw/~scm/2010/functional-pearl-maximally-dense-segments/
I'd nominate the authors for extra credit as they've avoided the use of the fixed-point Mu functor.
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View a list of recent documents in Vim
...utomatically stores the
file names as you open/edit them in Vim.
http://www.vim.org/scripts/script.php?script_id=521
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