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How do I see active SQL Server connections?
...
You can use the sp_who stored procedure.
Provides information about current users, sessions, and processes in an instance of the Microsoft SQL Server Database Engine. The information can be filtered to return only those processes that are not idle, that belong to a spec...
“Keep Me Logged In” - the best approach
...o page within the app. In this specific application, I'm storing the user_id , first_name and last_name of the person.
...
How to find a hash key containing a matching value
...te a multi-line script) to obtain the key given I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
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Setting PayPal return URL and making it auto return?
...RL that you enter. If the URL is not properly formatted
or cannot be validated, PayPal will not activate Auto Return.
Scroll to the bottom of the page, and click the Save button.
IPN is for instant payment notification. It will give you more reliable/useful information than what you'll g...
Can Flask have optional URL parameters?
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Another way is to write
@user.route('/<user_id>', defaults={'username': None})
@user.route('/<user_id>/<username>')
def show(user_id, username):
pass
But I guess that you want to write a single route and mark username as optional? If that's the ca...
How does cookie based authentication work?
...e.
There are different options you can configure for the cookie server side, like expiration times or encryption. An encrypted cookie is often referred to as a signed cookie. Basically the server encrypts the key and value in the dictionary item, so only the server can make use of the informati...
Postgres: Distinct but only for one column
...re than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
3 Answers
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...y('total')
Transaction.objects.all().values('actor').annotate(total=Count('id')).order_by('total')
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Is there a way of having git show lines added, lines changed and lines removed?
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If you want to know the lines added/changed/deleted by a commit with
id commit-id, you could use
git show commit-id --stat
or
git diff commit-id-before commit-id --stat
If you wat to know the lines added/changed/deleted by a range
commits, you could use
git diff commit-id1 commit-id2 --s...
How to exclude property from Json Serialization
...embers that shouldn't be serialized. See the example taken from here:
Consider the following (simplified) case:
public class User {
public int Id { get; set; }
public string Name { get; set; }
[ScriptIgnore]
public bool IsComplete
{
get { return Id > 0 && !str...
