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Does a foreign key automatically create an index?
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Say you have a big table called orders, and a small table called customers. There is a foreign key from an order to a customer. Now if you delete a customer, Sql Server must check that there are no orphan orders; if there are, it raises an error.
To check if there are any orders, Sql Serv...
Does my application “contain encryption”?
...hat exempts most commercial apps from Category 5 Part 2: bis.doc.gov/index.php/policy-guidance/encryption/… This means that most apps that use encryption to support their main function are fine without registration
– Andrew Alcock
Feb 25 '14 at 5:36
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Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...roblems?
No, I was still searching for a tool to handle problems, seen by customers, remotely. How could I assist them and debug the problem if I lived on the other side of the globe? Eventually, I found this excellentJim Crafton article about a tool capable of intercepting unhandled errors. That w...
DisplayName attribute from Resources?
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How about writing a custom attribute:
public class LocalizedDisplayNameAttribute: DisplayNameAttribute
{
public LocalizedDisplayNameAttribute(string resourceId)
: base(GetMessageFromResource(resourceId))
{ }
private static...
S3 Static Website Hosting Route All Paths to Index.html
...or example: react.s3.amazonaws.com
Go to Error Pages tab, click on Create Custom Error Response:
HTTP Error Code: 403: Forbidden (404: Not Found, in case of S3 Static Website)
Customize Error Response: Yes
Response Page Path: /index.html
HTTP Response Code: 200: OK
Click on Create
...
How do I do a not equal in Django queryset filtering?
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It's easy to create a custom lookup with Django 1.7. There's an __ne lookup example in Django official documentation.
You need to create the lookup itself first:
from django.db.models import Lookup
class NotEqual(Lookup):
lookup_name = 'ne'...
Difference between SurfaceView and View?
...html), and explains why hardware acceleration of Canvas rendering can make custom Views a better choice.
– fadden
Dec 1 '14 at 17:09
1
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SQL Server - Return value after INSERT
...answer:
DECLARE @generated_keys table([Id] uniqueidentifier)
INSERT INTO Customers(FirstName)
OUTPUT inserted.CustomerID INTO @generated_keys
VALUES('bob');
SELECT t.[CustomerID]
FROM @generated_keys AS g
JOIN dbo.Customers AS t
ON g.Id = t.CustomerID
WHERE @@ROWCOUNT > 0
The output ...
How to pass values between Fragments
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First all answers are right, you can pass the data except custom objects by using Intent. If you want to pass the custom objects, you have to implement Serialazable or Parcelable to your custom object class. I thought it's too much complicated...
So if your project is simple, try t...
Exceptions in .gitignore [duplicate]
...r called /modules that I want to ignore, except everything in the /modules/custom folder. This worked for me. Now my custom modules will get synced to GitHub.
/modules/*
!/modules/custom/
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